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19 <div class="post"> 19 <div class="post">
20 20
21 <div class=intro> 21 <div class=intro>
22 Hi. <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a> 22 Hi.
23 <div class=hot-links>
24 <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a>
25 <a href=https://liberapay.com/nerdypepper/donate class=donate-button>Donate</a>
26 </div>
23 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p> 27 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p>
24 <p> 28 <p>
25 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer. 29 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer.
diff --git a/docs/index.xml b/docs/index.xml
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13 <copyright>Creative Commons BY-NC-SA 4.0</copyright> 13 <copyright>Creative Commons BY-NC-SA 4.0</copyright>
14 <item> 14 <item>
15<title>Pixel Art In GIMP</title> 15<title>Pixel Art In GIMP</title>
16<description><p>I&#39;ve always been an admirer of pixel art, because of it&#8217;s 16<description><p>I’ve always been an admirer of pixel art, because of it’s simplicity and it’s resemblance to bitmap font design. Recently, I decided to take the dive and make some art of my own.</p>
17simplicity and it&#39;s resemblance to bitmap font design. 17<p>I used GIMP because I am fairly familiar with it. Aseprite seems to be the editor of choice for animated pixel art though.</p>
18Recently, I decided to take the dive and make some art of my 18<h3 id="setting-up-the-canvas">Setting up the canvas</h3>
19own.</p> 19<p>Picking a canvas size is daunting. Too small, and you won’t be able to fit in enough detail to make a legible piece. Too big and you’ve got too many pixels to work with!</p>
20 20<p>I would suggest starting out with anywhere between 100x100 and 200x200. <a href="https://u.peppe.rs/u9.png">Here’s</a> a sample configuration.</p>
21<p>I used GIMP because I am fairly familiar with it. Aseprite 21<p>Sometimes I use a 10x10 grid, <code>View &gt; Show Grid</code> and <code>Edit &gt; Preferences &gt; Default Grid &gt; Spacing</code>, but that can get jarring, so I throw down a couple of guides, drag right or down from the left or top gutters for vertical and horizontal guides respectively.</p>
22seems to be the editor of choice for animated pixel art 22<h3 id="choosing-a-brush">Choosing a Brush</h3>
23though.</p> 23<p>The most important part of our setup is the brush. Use the Pencil Tool (<code>n</code> on the keyboard) for hard edge drawings. Here’s a small comparison if you don’t know the difference between a hard edge and a soft edge:</p>
24 24<figure>
25<h3 id="Setting%20up%20the%20canvas">Setting up the canvas</h3> 25<img src="https://u.peppe.rs/kz.png" alt="" /><figcaption>Hard edge vs Soft Edge</figcaption>
26 26</figure>
27<p>Picking a canvas size is daunting. Too small, and you won&#8217;t 27<p>I turn the size down all the way to 1 (<code>[</code> on the keyboard). Set <code>Dynamics</code> off. <a href="https://u.peppe.rs/Fs.png">Here’s</a> a sample brush configuration.</p>
28be able to fit in enough detail to make a legible piece. Too 28<h3 id="laying-down-the-pixels">Laying down the pixels!</h3>
29big and you&#39;ve got too many pixels to work with!</p> 29<p>With the boring stuff out of the way, we can start with our piece. I usually follow a three step process:</p>
30
31<p>I would suggest starting out with anywhere between 100x100
32and 200x200. <a href="https://u.peppe.rs/u9.png">Here&#8217;s</a> a sample
33configuration. </p>
34
35<p>Sometimes I use a 10x10 grid, <code>View &#62; Show Grid</code> and <code>Edit &#62;
36Preferences &#62; Default Grid &#62; Spacing</code>, but that can get
37jarring, so I throw down a couple of guides, drag right or
38down from the left or top gutters for vertical and
39horizontal guides respectively.</p>
40
41<h3 id="Choosing%20a%20Brush">Choosing a Brush</h3>
42
43<p>The most important part of our setup is the brush. Use the
44Pencil Tool (<code>n</code> on the keyboard) for hard edge drawings.
45Here&#39;s a small comparison if you don&#39;t know the difference
46between a hard edge and a soft edge:</p>
47
48<p><img src="https://u.peppe.rs/kz.png" alt="Hard edge vs Soft Edge" /></p>
49
50<p>I turn the size down all the way to 1 (<code>[</code> on the keyboard).
51Set <code>Dynamics</code> off. <a href="https://u.peppe.rs/Fs.png">Here&#8217;s</a> a
52sample brush configuration.</p>
53
54<h3 id="Laying%20down%20the%20pixels!">Laying down the pixels!</h3>
55
56<p>With the boring stuff out of the way, we can start with our
57piece. I usually follow a three step process:</p>
58
59<ul> 30<ul>
60<li>draw a rough outline</li> 31<li>draw a rough outline</li>
61<li>fill in the shadows</li> 32<li>fill in the shadows</li>
62<li>add highlights</li> 33<li>add highlights</li>
63</ul> 34</ul>
64 35<p>But this process is better explained with an example: an onigiri. Let us start off with a 100x100 canvas.</p>
65<p>But this process is better explained with an example: an 36<h4 id="drawing-the-outline">Drawing the outline</h4>
66onigiri. Let us start off with a 100x100 canvas.</p> 37<p>For the most part, our figure will be symmetric. If you are on GIMP 2.10+, you can take advantage of the Symmetry Painting feature. Go ahead and enable vertical symmetry, <code>Window &gt; Dockable Dialogs &gt; Symmetry Painting</code> and <code>Symmetry Painting &gt; Symmetry &gt; Mirror &gt; Vertical</code>.</p>
67 38<p>If you are running an older version of GIMP, draw in the left side, duplicate the layer, flip it horizontally, and merge it with the original.</p>
68<h4 id="Drawing%20the%20outline">Drawing the outline</h4>
69
70<p>For the most part, our figure will be symmetric. If you are
71on GIMP 2.10+, you can take advantage of the Symmetry
72Painting feature. Go ahead and enable vertical symmetry,
73<code>Window &#62; Dockable Dialogs &#62; Symmetry Painting</code> and
74<code>Symmetry Painting &#62; Symmetry &#62; Mirror &#62; Vertical</code>. </p>
75
76<p>If you are running an older version of GIMP, draw in the
77left side, duplicate the layer, flip it horizontally, and
78merge it with the original.</p>
79
80<p>Your outline might look something like this:</p> 39<p>Your outline might look something like this:</p>
81 40<p><img src="https://u.peppe.rs/mn.png" /></p>
82<p><img src="https://u.peppe.rs/mn.png" alt="" /></p> 41<p>Go ahead and fill it in with the fill tool (<code>Shift + b</code> on the keyboard), add in some seaweed as well, preferably on a different layer. You can toggle symmetry on and off to save yourself some time.</p>
83 42<p><img src="https://u.peppe.rs/xu.png" /></p>
84<p>Go ahead and fill it in with the fill tool (<code>Shift + b</code> on 43<h4 id="shadows">Shadows</h4>
85the keyboard), add in some seaweed as well, preferably on a 44<p>For now, let us focus on the shadows on the object itself, we’ll come back to the shadows cast by the object on the surface later.</p>
86different layer. You can toggle symmetry on and off to save 45<p>Shadows on any surface always follow the shape of the surface. A spherical onigiri would have a circular shadow:</p>
87yourself some time.</p> 46<p><img src="https://u.peppe.rs/FU.png" /></p>
88
89<p><img src="https://u.peppe.rs/xu.png" alt="" /></p>
90
91<h4 id="Shadows">Shadows</h4>
92
93<p>For now, let us focus on the shadows on the object itself,
94we&#39;ll come back to the shadows cast by the object on the
95surface later.</p>
96
97<p>Shadows on any surface always follow the shape of the
98surface. A spherical onigiri would have a circular shadow:</p>
99
100<p><img src="https://u.peppe.rs/FU.png" alt="" /></p>
101
102<p>A couple of noticeable changes:</p> 47<p>A couple of noticeable changes:</p>
103 48<p><strong>Layers</strong>: The layer containing the seaweed has been hidden.<br />
104<p><strong>Layers</strong>: The layer containing the seaweed has been hidden.<br/> 49<strong>Color</strong>: The color of the shadow is just a slightly lighter version of the original object (reduce the Value on the HSV scale).<br />
105<strong>Color</strong>: The color of the shadow is just a slightly 50<strong>Area</strong>: The shadow does not go all the way (notice the bottom edges).</p>
106lighter version of the original object (reduce the Value on 51<p>The shadow does not go all the way because we will be filling in that area with another, darker shadow! An image might explain better:</p>
107the HSV scale).<br/> 52<p><img src="https://u.peppe.rs/Br.png" /></p>
108<strong>Area</strong>: The shadow does not go all the way (notice the bottom 53<p>To emulate soft lights, reduce the value by 2 to 3 points every iteration. Notice how area <code>1</code> is much larger than area <code>4</code>. This is because an onigiri resembles a bottom heavy oblate spheroid, a sphere that is slightly fatter around the lower bottom, and areas <code>1</code> and <code>2</code> catch more light than areas <code>3</code> and <code>4</code>.</p>
109edges). </p> 54<p>Do the same with the seaweed. The seaweed, being a smaller, flatter object, doesn’t cast much of a shadow, so stop with 1 or 2 iterations of the gradient:</p>
110 55<p><img src="https://u.peppe.rs/T3.png" /></p>
111<p>The shadow does not go all the way because we will be 56<p>We’re getting there!</p>
112filling in that area with another, darker shadow! An image 57<h4 id="highlights">Highlights</h4>
113might explain better:</p> 58<p>This step handles the details on the strongly illuminated portions of the object. Seaweed is a bit glossy, lighten the edges to make it seem shiny. The rice is not as shiny, but it does form an uneven surface. Add in some shadows to promote the idea of rice grains. Here is the finished result:</p>
114 59<p><img src="https://u.peppe.rs/VE.png" /></p>
115<p><img src="https://u.peppe.rs/Br.png" alt="" /></p> 60<h3 id="finishing-touches">Finishing Touches</h3>
116 61<p>Some color correction and <code>a e s t h e t i c</code> Japanese text later, our piece is complete!</p>
117<p>To emulate soft lights, reduce the value by 2 to 3 points 62<p><img src="https://u.peppe.rs/cn.png" /></p>
118every iteration. Notice how area <code>1</code> is much larger than 63<p>Hold on, why is it so tiny? Well, that’s because our canvas was 100x100, head over to <code>Image &gt; Scale Image</code>, set <code>Quality &gt; Interpolation</code> to <code>None</code> and scale it up to 700x700, et voilà!</p>
119area <code>4</code>. This is because an onigiri resembles a bottom 64<p><img src="https://u.peppe.rs/CH.png" /></p></description>
120heavy oblate spheroid, a sphere that is slightly fatter
121around the lower bottom, and areas <code>1</code> and <code>2</code> catch more
122light than areas <code>3</code> and <code>4</code>.</p>
123
124<p>Do the same with the seaweed. The seaweed, being a smaller,
125flatter object, doesn&#39;t cast much of a shadow, so stop with
1261 or 2 iterations of the gradient:</p>
127
128<p><img src="https://u.peppe.rs/T3.png" alt="" /></p>
129
130<p>We&#39;re getting there!</p>
131
132<h4 id="Highlights">Highlights</h4>
133
134<p>This step handles the details on the strongly illuminated
135portions of the object. Seaweed is a bit glossy, lighten the
136edges to make it seem shiny. The rice is not as shiny, but
137it does form an uneven surface. Add in some shadows to
138promote the idea of rice grains. Here is the finished
139result:</p>
140
141<p><img src="https://u.peppe.rs/VE.png" alt="" /></p>
142
143<h3 id="Finishing%20Touches">Finishing Touches</h3>
144
145<p>Some color correction and <code>a e s t h e t i c</code> Japanese text
146later, our piece is complete!</p>
147
148<p><img src="https://u.peppe.rs/cn.png" alt="" /></p>
149
150<p>Hold on, why is it so tiny? Well, that&#39;s because our canvas
151was 100x100, head over to <code>Image &#62; Scale Image</code>, set
152<code>Quality &#62; Interpolation</code> to <code>None</code> and scale it up to
153700x700, et voilà!</p>
154
155<p><img src="https://u.peppe.rs/CH.png" alt="" /></p></description>
156<link>https://peppe.rs/posts/pixel_art_in_GIMP/</link> 65<link>https://peppe.rs/posts/pixel_art_in_GIMP/</link>
157<pubDate>Thu, 09 Apr 2020 16:28:00 +0000</pubDate> 66<pubDate>Thu, 09 Apr 2020 16:28:00 +0000</pubDate>
158<guid>https://peppe.rs/posts/pixel_art_in_GIMP/</guid> 67<guid>https://peppe.rs/posts/pixel_art_in_GIMP/</guid>
159</item> 68</item>
160<item> 69<item>
161<title>Rapid Refactoring With Vim</title> 70<title>Rapid Refactoring With Vim</title>
162<description><p>Last weekend, I was tasked with refactoring the 96 unit 71<description><p>Last weekend, I was tasked with refactoring the 96 unit tests on <a href="https://github.com/ruma/ruma-events/pull/70">ruma-events</a> to use strictly typed json objects using <code>serde_json::json!</code> instead of raw strings. It was rather painless thanks to vim :)</p>
163tests on 72<p>Here’s a small sample of what had to be done (note the lines prefixed with the arrow):</p>
164<a href="https://github.com/ruma/ruma-events/pull/70">ruma-events</a> 73<div class="sourceCode" id="cb1"><pre class="sourceCode rust"><code class="sourceCode rust"><span id="cb1-1"><a href="#cb1-1"></a>→ <span class="kw">use</span> <span class="pp">serde_json::</span><span class="op">{</span>from_str<span class="op">};</span></span>
165to use strictly typed json objects using <code>serde_json::json!</code> 74<span id="cb1-2"><a href="#cb1-2"></a> </span>
166instead of raw strings. It was rather painless thanks to 75<span id="cb1-3"><a href="#cb1-3"></a> <span class="at">#[</span>test<span class="at">]</span></span>
167vim :)</p> 76<span id="cb1-4"><a href="#cb1-4"></a> <span class="kw">fn</span> deserialize() <span class="op">{</span></span>
168 77<span id="cb1-5"><a href="#cb1-5"></a> <span class="pp">assert_eq!</span>(</span>
169<p>Here&#39;s a small sample of what had to be done (note the lines 78<span id="cb1-6"><a href="#cb1-6"></a>→ <span class="pp">from_str::</span><span class="op">&lt;</span>Action<span class="op">&gt;</span>(<span class="st">r#&quot;{&quot;set_tweak&quot;: &quot;highlight&quot;}&quot;#</span>)<span class="op">,</span></span>
170prefixed with the arrow):</p> 79<span id="cb1-7"><a href="#cb1-7"></a> <span class="pp">Action::</span>SetTweak(<span class="pp">Tweak::</span>Highlight <span class="op">{</span> value<span class="op">:</span> <span class="cn">true</span> <span class="op">}</span>)</span>
171 80<span id="cb1-8"><a href="#cb1-8"></a> )<span class="op">;</span></span>
172<pre><code class="language-rust">→ use serde_json::{from_str}; 81<span id="cb1-9"><a href="#cb1-9"></a> <span class="op">}</span></span></code></pre></div>
173
174 #[test]
175 fn deserialize() {
176 assert_eq!(
177→ from_str::&#60;Action&#62;(r#"{"set_tweak": "highlight"}"#),
178 Action::SetTweak(Tweak::Highlight { value: true })
179 );
180 }
181</code></pre>
182
183<p>had to be converted to:</p> 82<p>had to be converted to:</p>
184 83<div class="sourceCode" id="cb2"><pre class="sourceCode rust"><code class="sourceCode rust"><span id="cb2-1"><a href="#cb2-1"></a>→ <span class="kw">use</span> <span class="pp">serde_json::</span><span class="op">{</span>from_value<span class="op">};</span></span>
185<pre><code class="language-rust">→ use serde_json::{from_value}; 84<span id="cb2-2"><a href="#cb2-2"></a> </span>
186 85<span id="cb2-3"><a href="#cb2-3"></a> <span class="at">#[</span>test<span class="at">]</span></span>
187 #[test] 86<span id="cb2-4"><a href="#cb2-4"></a> <span class="kw">fn</span> deserialize() <span class="op">{</span></span>
188 fn deserialize() { 87<span id="cb2-5"><a href="#cb2-5"></a> <span class="pp">assert_eq!</span>(</span>
189 assert_eq!( 88<span id="cb2-6"><a href="#cb2-6"></a>→ <span class="pp">from_value::</span><span class="op">&lt;</span>Action<span class="op">&gt;</span>(<span class="pp">json!</span>(<span class="op">{</span><span class="st">&quot;set_tweak&quot;</span><span class="op">:</span> <span class="st">&quot;highlight&quot;</span><span class="op">}</span>))<span class="op">,</span></span>
190→ from_value::&#60;Action&#62;(json!({"set_tweak": "highlight"})), 89<span id="cb2-7"><a href="#cb2-7"></a> <span class="pp">Action::</span>SetTweak(<span class="pp">Tweak::</span>Highlight <span class="op">{</span> value<span class="op">:</span> <span class="cn">true</span> <span class="op">}</span>)</span>
191 Action::SetTweak(Tweak::Highlight { value: true }) 90<span id="cb2-8"><a href="#cb2-8"></a> )<span class="op">;</span></span>
192 ); 91<span id="cb2-9"><a href="#cb2-9"></a> <span class="op">}</span></span></code></pre></div>
193 } 92<h3 id="the-arglist">The arglist</h3>
194</code></pre> 93<p>For the initial pass, I decided to handle imports, this was a simple find and replace operation, done to all the files containing tests. Luckily, modules (and therefore files) containing tests in Rust are annotated with the <code>#[cfg(test)]</code> attribute. I opened all such files:</p>
195 94<div class="sourceCode" id="cb3"><pre class="sourceCode bash"><code class="sourceCode bash"><span id="cb3-1"><a href="#cb3-1"></a><span class="co"># `grep -l pattern files` lists all the files</span></span>
196<h3 id="The%20arglist">The arglist</h3> 95<span id="cb3-2"><a href="#cb3-2"></a><span class="co"># matching the pattern</span></span>
197 96<span id="cb3-3"><a href="#cb3-3"></a></span>
198<p>For the initial pass, I decided to handle imports, this was 97<span id="cb3-4"><a href="#cb3-4"></a><span class="ex">vim</span> <span class="va">$(</span><span class="fu">grep</span> -l <span class="st">&#39;cfg\(test\)&#39;</span> ./**/*.rs<span class="va">)</span></span>
199a simple find and replace operation, done to all the files 98<span id="cb3-5"><a href="#cb3-5"></a></span>
200containing tests. Luckily, modules (and therefore files) 99<span id="cb3-6"><a href="#cb3-6"></a><span class="co"># expands to something like:</span></span>
201containing tests in Rust are annotated with the 100<span id="cb3-7"><a href="#cb3-7"></a><span class="ex">vim</span> push_rules.rs room/member.rs key/verification/lib.rs</span></code></pre></div>
202<code>#[cfg(test)]</code> attribute. I opened all such files:</p> 101<p>Starting vim with more than one file at the shell prompt populates the arglist. Hit <code>:args</code> to see the list of files currently ready to edit. The square [brackets] indicate the current file. Navigate through the arglist with <code>:next</code> and <code>:prev</code>. I use tpope’s vim-unimpaired <a href="#fn1" class="footnote-ref" id="fnref1" role="doc-noteref"><sup>1</sup></a>, which adds <code>]a</code> and <code>[a</code>, mapped to <code>:next</code> and <code>:prev</code>.</p>
203 102<p>All that’s left to do is the find and replace, for which we will be using vim’s <code>argdo</code>, applying a substitution to every file in the arglist:</p>
204<pre><code class="language-bash"># `grep -l pattern files` lists all the files 103<pre><code>:argdo s/from_str/from_value/g</code></pre>
205# matching the pattern 104<h3 id="the-quickfix-list">The quickfix list</h3>
206 105<p>Next up, replacing <code>r#" ... "#</code> with <code>json!( ... )</code>. I couldn’t search and replace that trivially, so I went with a macro call <a href="#fn2" class="footnote-ref" id="fnref2" role="doc-noteref"><sup>2</sup></a> instead, starting with the cursor on ‘r’, represented by the caret, in my attempt to breakdown the process:</p>
207vim $(grep -l &#39;cfg\(test\)&#39; .&#47;**&#47;*.rs) 106<pre><code>BUFFER: r#&quot; ... &quot;#;
208
209# expands to something like:
210vim push_rules.rs room&#47;member.rs key&#47;verification&#47;lib.rs
211</code></pre>
212
213<p>Starting vim with more than one file at the shell prompt
214populates the arglist. Hit <code>:args</code> to see the list of
215files currently ready to edit. The square [brackets]
216indicate the current file. Navigate through the arglist
217with <code>:next</code> and <code>:prev</code>. I use tpope&#39;s vim-unimpaired
218<sup id="fnref1"><a href="#fn1" rel="footnote">1</a></sup>, which adds <code>]a</code> and <code>[a</code>, mapped to <code>:next</code> and
219<code>:prev</code>.</p>
220
221<p>All that&#39;s left to do is the find and replace, for which we
222will be using vim&#39;s <code>argdo</code>, applying a substitution to
223every file in the arglist:</p>
224
225<pre><code>:argdo s&#47;from_str&#47;from_value&#47;g
226</code></pre>
227
228<h3 id="The%20quickfix%20list">The quickfix list</h3>
229
230<p>Next up, replacing <code>r#" ... "#</code> with <code>json!( ... )</code>. I
231couldn&#39;t search and replace that trivially, so I went with a
232macro call <sup id="fnref2"><a href="#fn2" rel="footnote">2</a></sup> instead, starting with the cursor on
233&#8216;r&#8217;, represented by the caret, in my attempt to breakdown
234the process:</p>
235
236<pre><code>BUFFER: r#" ... "#;
237 ^ 107 ^
238 108
239ACTION: vllsjson!( 109ACTION: vllsjson!(
240 110
241BUFFER json!( ... "#; 111BUFFER json!( ... &quot;#;
242 ^ 112 ^
243 113
244ACTION: &#60;esc&#62;$F# 114ACTION: &lt;esc&gt;$F#
245 115
246BUFFER: json!( ... "#; 116BUFFER: json!( ... &quot;#;
247 ^ 117 ^
248 118
249ACTION: vhs)&#60;esc&#62; 119ACTION: vhs)&lt;esc&gt;
250
251BUFFER: json!( ... );
252</code></pre>
253
254<p>Here&#39;s the recorded <sup id="fnref3"><a href="#fn3" rel="footnote">3</a></sup> macro in all its glory:
255<code>vllsjson!(&#60;esc&#62;$F#vhs)&#60;esc&#62;</code>. </p>
256
257<p>Great! So now we just go ahead, find every occurrence of
258<code>r#</code> and apply the macro right? Unfortunately, there were
259more than a few occurrences of raw strings that had to stay
260raw strings. Enter, the quickfix list.</p>
261
262<p>The idea behind the quickfix list is to jump from one
263position in a file to another (maybe in a different file),
264much like how the arglist lets you jump from one file to
265another.</p>
266
267<p>One of the easiest ways to populate this list with a bunch
268of positions is to use <code>vimgrep</code>:</p>
269 120
121BUFFER: json!( ... );</code></pre>
122<p>Here’s the recorded <a href="#fn3" class="footnote-ref" id="fnref3" role="doc-noteref"><sup>3</sup></a> macro in all its glory: <code>vllsjson!(&lt;esc&gt;$F#vhs)&lt;esc&gt;</code>.</p>
123<p>Great! So now we just go ahead, find every occurrence of <code>r#</code> and apply the macro right? Unfortunately, there were more than a few occurrences of raw strings that had to stay raw strings. Enter, the quickfix list.</p>
124<p>The idea behind the quickfix list is to jump from one position in a file to another (maybe in a different file), much like how the arglist lets you jump from one file to another.</p>
125<p>One of the easiest ways to populate this list with a bunch of positions is to use <code>vimgrep</code>:</p>
270<pre><code># basic usage 126<pre><code># basic usage
271:vimgrep pattern files 127:vimgrep pattern files
272 128
273# search for raw strings 129# search for raw strings
274:vimgrep &#39;r#&#39; .&#47;**&#47;*.rs 130:vimgrep &#39;r#&#39; ./**/*.rs</code></pre>
275</code></pre> 131<p>Like <code>:next</code> and <code>:prev</code>, you can navigate the quickfix list with <code>:cnext</code> and <code>:cprev</code>. Every time you move up or down the list, vim indicates your index:</p>
276 132<pre><code>(1 of 131): r#&quot;{&quot;set_tweak&quot;: &quot;highlight&quot;}&quot;#;</code></pre>
277<p>Like <code>:next</code> and <code>:prev</code>, you can navigate the quickfix list 133<p>And just like <code>argdo</code>, you can <code>cdo</code> to apply commands to <em>every</em> match in the quickfix list:</p>
278with <code>:cnext</code> and <code>:cprev</code>. Every time you move up or down 134<pre><code>:cdo norm! @q</code></pre>
279the list, vim indicates your index:</p> 135<p>But, I had to manually pick out matches, and it involved some button mashing.</p>
280 136<h3 id="external-filtering">External Filtering</h3>
281<pre><code>(1 of 131): r#"{"set_tweak": "highlight"}"#; 137<p>Some code reviews later, I was asked to format all the json inside the <code>json!</code> macro. All you have to do is pass a visual selection through a pretty json printer. Select the range to be formatted in visual mode, and hit <code>:</code>, you will notice the command line displaying what seems to be gibberish:</p>
282</code></pre> 138<pre><code>:&#39;&lt;,&#39;&gt;</code></pre>
283 139<p><code>'&lt;</code> and <code>'&gt;</code> are <em>marks</em> <a href="#fn4" class="footnote-ref" id="fnref4" role="doc-noteref"><sup>4</sup></a>. More specifically, they are marks that vim sets automatically every time you make a visual selection, denoting the start and end of the selection.</p>
284<p>And just like <code>argdo</code>, you can <code>cdo</code> to apply commands to
285<em>every</em> match in the quickfix list:</p>
286
287<pre><code>:cdo norm! @q
288</code></pre>
289
290<p>But, I had to manually pick out matches, and it involved
291some button mashing.</p>
292
293<h3 id="External%20Filtering">External Filtering</h3>
294
295<p>Some code reviews later, I was asked to format all the json
296inside the <code>json!</code> macro. All you have to do is pass a
297visual selection through a pretty json printer. Select the
298range to be formatted in visual mode, and hit <code>:</code>, you will
299notice the command line displaying what seems to be
300gibberish:</p>
301
302<pre><code>:&#39;&#60;,&#39;&#62;
303</code></pre>
304
305<p><code>&#39;&#60;</code> and <code>&#39;&#62;</code> are <em>marks</em> <sup id="fnref4"><a href="#fn4" rel="footnote">4</a></sup>. More
306specifically, they are marks that vim sets automatically
307every time you make a visual selection, denoting the start
308and end of the selection.</p>
309
310<p>A range is one or more line specifiers separated by a <code>,</code>:</p> 140<p>A range is one or more line specifiers separated by a <code>,</code>:</p>
311
312<pre><code>:1,7 lines 1 through 7 141<pre><code>:1,7 lines 1 through 7
313:32 just line 32 142:32 just line 32
314:. the current line 143:. the current line
315:.,$ the current line to the last line 144:.,$ the current line to the last line
316:&#39;a,&#39;b mark &#39;a&#39; to mark &#39;b&#39; 145:&#39;a,&#39;b mark &#39;a&#39; to mark &#39;b&#39;</code></pre>
317</code></pre> 146<p>Most <code>:</code> commands can be prefixed by ranges. <code>:help usr_10.txt</code> for more on that.</p>
318 147<p>Alright, lets pass json through <code>python -m json.tool</code>, a json formatter that accepts <code>stdin</code> (note the use of <code>!</code> to make use of an external program):</p>
319<p>Most <code>:</code> commands can be prefixed by ranges. <code>:help 148<pre><code>:&#39;&lt;,&#39;&gt;!python -m json.tool</code></pre>
320usr_10.txt</code> for more on that.</p> 149<p>Unfortunately that didn’t quite work for me because the range included some non-json text as well, a mix of regex and macros helped fix that. I think you get the drift.</p>
321 150<p>Another fun filter I use from time to time is <code>:!sort</code>, to sort css attributes, or <code>:!uniq</code> to remove repeated imports.</p>
322<p>Alright, lets pass json through <code>python -m json.tool</code>, a 151<section class="footnotes" role="doc-endnotes">
323json formatter that accepts <code>stdin</code> (note the use of <code>!</code> to 152<hr />
324make use of an external program):</p>
325
326<pre><code>:&#39;&#60;,&#39;&#62;!python -m json.tool
327</code></pre>
328
329<p>Unfortunately that didn&#39;t quite work for me because the
330range included some non-json text as well, a mix of regex
331and macros helped fix that. I think you get the drift.</p>
332
333<p>Another fun filter I use from time to time is <code>:!sort</code>, to
334sort css attributes, or <code>:!uniq</code> to remove repeated imports.</p>
335
336<div class="footnotes">
337<hr/>
338<ol> 153<ol>
339 154<li id="fn1" role="doc-endnote"><p>https://github.com/tpope/vim-unimpaired It also handles various other mappings, <code>]q</code> and <code>[q</code> to navigate the quickfix list for example<a href="#fnref1" class="footnote-back" role="doc-backlink">↩︎</a></p></li>
340<li id="fn1"> 155<li id="fn2" role="doc-endnote"><p><code>:help recording</code><a href="#fnref2" class="footnote-back" role="doc-backlink">↩︎</a></p></li>
341<p><a href="https://github.com/tpope/vim-unimpaired">https:&#47;&#47;github.com&#47;tpope&#47;vim-unimpaired</a> 156<li id="fn3" role="doc-endnote"><p>When I’m recording a macro, I prefer starting out by storing it in register <code>q</code>, and then copying it over to another register if it works as intended. I think of <code>qq</code> as ‘quick record’.<a href="#fnref3" class="footnote-back" role="doc-backlink">↩︎</a></p></li>
342It also handles various other mappings, <code>]q</code> and <code>[q</code> to 157<li id="fn4" role="doc-endnote"><p><code>:help mark-motions</code><a href="#fnref4" class="footnote-back" role="doc-backlink">↩︎</a></p></li>
343navigate the quickfix list for example&#160;<a href="#fnref1" rev="footnote">&#8617;</a></p>
344</li>
345
346<li id="fn2">
347<p><code>:help recording</code>&#160;<a href="#fnref2" rev="footnote">&#8617;</a></p>
348</li>
349
350<li id="fn3">
351<p>When I&#39;m recording a macro, I prefer starting out by
352storing it in register <code>q</code>, and then copying it over to
353another register if it works as intended. I think of <code>qq</code> as
354&#8216;quick record&#8217;.&#160;<a href="#fnref3" rev="footnote">&#8617;</a></p>
355</li>
356
357<li id="fn4">
358<p><code>:help mark-motions</code>&#160;<a href="#fnref4" rev="footnote">&#8617;</a></p>
359</li>
360
361</ol> 158</ol>
362</div></description> 159</section></description>
363<link>https://peppe.rs/posts/rapid_refactoring_with_vim/</link> 160<link>https://peppe.rs/posts/rapid_refactoring_with_vim/</link>
364<pubDate>Wed, 01 Apr 2020 06:29:00 +0000</pubDate> 161<pubDate>Wed, 01 Apr 2020 06:29:00 +0000</pubDate>
365<guid>https://peppe.rs/posts/rapid_refactoring_with_vim/</guid> 162<guid>https://peppe.rs/posts/rapid_refactoring_with_vim/</guid>
366</item> 163</item>
367<item> 164<item>
368<title>Font Size Fallacies</title> 165<title>Font Size Fallacies</title>
369<description><p>I am not an expert with fonts, but I do have some 166<description><p>I am not an expert with fonts, but I do have some experience <a href="#fn1" class="footnote-ref" id="fnref1" role="doc-noteref"><sup>1</sup></a>, and common sense. This post aims to debunk some misconceptions about font sizes!</p>
370experience <sup id="fnref1"><a href="#fn1" rel="footnote">1</a></sup>, and common sense. This post aims to debunk some 167<p>11 px on your display is <em>probably not</em> 11 px on my display. Let’s do some quick math. I have two displays, 1366x768 @ 21" and another with 1920x1080 @ 13", call them <code>A</code> and <code>B</code> for now.</p>
371misconceptions about font sizes!</p> 168<p>Display <code>A</code> has 1,049,088 pixels. A pixel is a square, of side say, <code>s</code> cm. The total area covered by my 21" display is about 1,066 cm^2 (41x26). Thus,</p>
372
373<p>11 px on your display is <em>probably not</em> 11 px on my display.
374Let&#39;s do some quick math. I have two displays, 1366x768 @
37521&#8221; and another with 1920x1080 @ 13&#8221;, call them <code>A</code> and
376<code>B</code> for now.</p>
377
378<p>Display <code>A</code> has 1,049,088 pixels. A pixel is a square, of
379side say, <code>s</code> cm. The total area covered by my 21&#8221; display
380is about 1,066 cm<sup>2</sup> (41x26). Thus,</p>
381
382<pre><code>Display A 169<pre><code>Display A
383Dimensions: 1366x768 @ 21" (41x26 sq. cm) 170Dimensions: 1366x768 @ 21&quot; (41x26 sq. cm)
3841,049,088 s^2 = 1066 1711,049,088 s^2 = 1066
385 s = 0.0318 cm (side of a pixel on Display A) 172 s = 0.0318 cm (side of a pixel on Display A)</code></pre>
386</code></pre> 173<p>Bear with me, as I repeat the number crunching for Display <code>B</code>:</p>
387
388<p>Bear with me, as I repeat the number crunching for Display
389<code>B</code>:</p>
390
391<pre><code>Display B 174<pre><code>Display B
392Dimensions: 1920x1080 @ 13" (29.5x16.5 sq. cm) 175Dimensions: 1920x1080 @ 13&quot; (29.5x16.5 sq. cm)
3932,073,600 s^2 = 486.75 1762,073,600 s^2 = 486.75
394 s = 0.0153 cm (side of a pixel on Display B) 177 s = 0.0153 cm (side of a pixel on Display B)</code></pre>
395</code></pre> 178<p>The width of a pixel on Display <code>A</code> is <em>double</em> the width of a pixel on Display <code>B</code>. The area occupied by a pixel on Display <code>A</code> is <em>4 times</em> the area occupied by a pixel on Display <code>B</code>.</p>
396
397<p>The width of a pixel on Display <code>A</code> is <em>double</em> the width of a
398pixel on Display <code>B</code>. The area occupied by a pixel on Display
399<code>A</code> is <em>4 times</em> the area occupied by a pixel on Display <code>B</code>.</p>
400
401<p><em>The size of a pixel varies from display to display!</em></p> 179<p><em>The size of a pixel varies from display to display!</em></p>
402 180<p>A 5x11 bitmap font on Display <code>A</code> would be around 4 mm tall whereas the same bitmap font on Display <code>B</code> would be around 1.9 mm tall. A 11 px tall character on <code>B</code> is visually equivalent to a 5 px character on <code>A</code>. When you view a screenshot of Display <code>A</code> on Display <code>B</code>, the contents are shrunk down by a factor of 2!</p>
403<p>A 5x11 bitmap font on Display <code>A</code> would be around 4 mm tall 181<p>So screen resolution is not enough, how else do we measure size? Pixel Density! Keen readers will realize that the 5^th grade math problem we solved up there showcases pixel density, or, pixels per cm (PPCM). Usually we deal with pixels per inch (PPI).</p>
404whereas the same bitmap font on Display <code>B</code> would be around 182<p><strong>Note:</strong> PPI is not to be confused with DPI <a href="#fn2" class="footnote-ref" id="fnref2" role="doc-noteref"><sup>2</sup></a> (dots per inch). DPI is defined for printers.</p>
4051.9 mm tall. A 11 px tall character on <code>B</code> is visually 183<p>In our example, <code>A</code> is a 75 ppi display and <code>B</code> is around 165 ppi <a href="#fn3" class="footnote-ref" id="fnref3" role="doc-noteref"><sup>3</sup></a>. A low ppi display appears to be ‘pixelated’, because the pixels are more prominent, much like Display <code>A</code>. A higher ppi usually means you can view larger images and render crispier fonts. The average desktop display can stuff 100-200 pixels per inch. Smart phones usually fall into the 400-600 ppi (XXXHDPI) category. The human eye fails to differentiate detail past 300 ppi.</p>
406equivalent to a 5 px character on <code>A</code>. When you view a 184<p><em>So … streaming an 8K video on a 60" TV provides the same clarity as a HD video on a smart phone?</em></p>
407screenshot of Display <code>A</code> on Display <code>B</code>, the contents are 185<p>Absolutely. Well, clarity is subjective, but the amount of detail you can discern on mobile displays has always been limited. Salty consumers of the Xperia 1 <a href="#fn4" class="footnote-ref" id="fnref4" role="doc-noteref"><sup>4</sup></a> will say otherwise.</p>
408shrunk down by a factor of 2!</p> 186<p>Maybe I will talk about font rendering in another post, but thats all for now. Don’t judge a font size by its screenshot.</p>
409 187<section class="footnotes" role="doc-endnotes">
410<p>So screen resolution is not enough, how else do we measure 188<hr />
411size? Pixel Density! Keen readers will realize that the 5<sup>th</sup>
412grade math problem we solved up there showcases pixel
413density, or, pixels per cm (PPCM). Usually we deal with
414pixels per inch (PPI).</p>
415
416<p><strong>Note:</strong> PPI is not to be confused with DPI <sup id="fnref2"><a href="#fn2" rel="footnote">2</a></sup> (dots
417per inch). DPI is defined for printers.</p>
418
419<p>In our example, <code>A</code> is a 75 ppi display and <code>B</code> is around
420165 ppi <sup id="fnref3"><a href="#fn3" rel="footnote">3</a></sup>. A low ppi display appears to be
421&#8216;pixelated&#8217;, because the pixels are more prominent, much
422like Display <code>A</code>. A higher ppi usually means you can view
423larger images and render crispier fonts. The average desktop
424display can stuff 100-200 pixels per inch. Smart phones
425usually fall into the 400-600 ppi (XXXHDPI) category. The
426human eye fails to differentiate detail past 300 ppi.</p>
427
428<p><em>So &#8230; streaming an 8K video on a 60&#8221; TV provides the same
429clarity as a HD video on a smart phone?</em></p>
430
431<p>Absolutely. Well, clarity is subjective, but the amount of
432detail you can discern on mobile displays has always been
433limited. Salty consumers of the Xperia 1 <sup id="fnref4"><a href="#fn4" rel="footnote">4</a></sup> will say
434otherwise.</p>
435
436<p>Maybe I will talk about font rendering in another post, but
437thats all for now. Don&#39;t judge a font size by its
438screenshot.</p>
439
440<div class="footnotes">
441<hr/>
442<ol> 189<ol>
443 190<li id="fn1" role="doc-endnote"><p>https://github.com/nerdypepper/scientifica<a href="#fnref1" class="footnote-back" role="doc-backlink">↩︎</a></p></li>
444<li id="fn1"> 191<li id="fn2" role="doc-endnote"><p>https://en.wikipedia.org/wiki/Dots_per_inch<a href="#fnref2" class="footnote-back" role="doc-backlink">↩︎</a></p></li>
445<p><a href="https://github.com/nerdypepper/scientifica">https:&#47;&#47;github.com&#47;nerdypepper&#47;scientifica</a>&#160;<a href="#fnref1" rev="footnote">&#8617;</a></p> 192<li id="fn3" role="doc-endnote"><p>https://www.sven.de/dpi/<a href="#fnref3" class="footnote-back" role="doc-backlink">↩︎</a></p></li>
446</li> 193<li id="fn4" role="doc-endnote"><p>https://en.wikipedia.org/wiki/Sony_Xperia_1<a href="#fnref4" class="footnote-back" role="doc-backlink">↩︎</a></p></li>
447
448<li id="fn2">
449<p><a href="https://en.wikipedia.org/wiki/Dots_per_inch">https:&#47;&#47;en.wikipedia.org&#47;wiki&#47;Dots_per_inch</a>&#160;<a href="#fnref2" rev="footnote">&#8617;</a></p>
450</li>
451
452<li id="fn3">
453<p><a href="https://www.sven.de/dpi/">https:&#47;&#47;www.sven.de&#47;dpi&#47;</a>&#160;<a href="#fnref3" rev="footnote">&#8617;</a></p>
454</li>
455
456<li id="fn4">
457<p><a href="https://en.wikipedia.org/wiki/Sony_Xperia_1">https:&#47;&#47;en.wikipedia.org&#47;wiki&#47;Sony_Xperia_1</a>&#160;<a href="#fnref4" rev="footnote">&#8617;</a></p>
458</li>
459
460</ol> 194</ol>
461</div></description> 195</section></description>
462<link>https://peppe.rs/posts/font_size_fallacies/</link> 196<link>https://peppe.rs/posts/font_size_fallacies/</link>
463<pubDate>Tue, 17 Mar 2020 16:52:00 +0000</pubDate> 197<pubDate>Tue, 17 Mar 2020 16:52:00 +0000</pubDate>
464<guid>https://peppe.rs/posts/font_size_fallacies/</guid> 198<guid>https://peppe.rs/posts/font_size_fallacies/</guid>
465</item> 199</item>
466<item> 200<item>
467<title>Termux Tandem</title> 201<title>Termux Tandem</title>
468<description><p>I learnt about <code>termux</code> from a friend on IRC recently. 202<description><p>I learnt about <code>termux</code> from a friend on IRC recently. It looked super gimmicky to me at first, but it eventually proved to be useful. Here’s what I use it for:</p>
469It looked super gimmicky to me at first, but it eventually
470proved to be useful. Here&#39;s what I use it for:</p>
471
472<h3 id="rsync">rsync</h3> 203<h3 id="rsync">rsync</h3>
473 204<p>Ever since I degoogled my android device, syncing files between my phone and my PC has always been a pain. I’m looking at you MTP. But, with <code>termux</code> and <code>sshd</code> all set up, it’s as simple as:</p>
474<p>Ever since I degoogled my android device, syncing files
475between my phone and my PC has always been a pain. I&#8217;m
476looking at you MTP. But, with <code>termux</code> and <code>sshd</code> all set up,
477it&#39;s as simple as:</p>
478
479<pre><code>$ arp 205<pre><code>$ arp
480Address HWtype HWad ... 206Address HWtype HWad ...
481192.168.43.187 ether d0:0 ... 207192.168.43.187 ether d0:0 ...
482 208
483$ rsync -avz 192.168.43.187:~&#47;frogs ~&#47;pics&#47;frogs 209$ rsync -avz 192.168.43.187:~/frogs ~/pics/frogs</code></pre>
484</code></pre> 210<h3 id="ssh-tmux">ssh &amp; tmux</h3>
485 211<p>My phone doubles as a secondary view into my main machine with <code>ssh</code> and <code>tmux</code>. When I am away from my PC (read: sitting across the room), I check build status and IRC messages by <code>ssh</code>ing into a tmux session running the said build or weechat.</p>
486<h3 id="ssh%20&amp;#38;%20tmux">ssh &#38; tmux</h3> 212<h3 id="file-uploads">file uploads</h3>
487 213<p>Not being able to access my (ssh-only) file host was crippling. With a <code>bash</code> instance on my phone, I just copied over my ssh keys, and popped in a file upload script (a glorified <code>scp</code>). Now I just have to figure out a way to clean up these file names …</p>
488<p>My phone doubles as a secondary view into my main machine 214<pre><code>~/storage/pictures/ $ ls
489with <code>ssh</code> and <code>tmux</code>. When I am away from my PC (read:
490sitting across the room), I check build status and IRC
491messages by <code>ssh</code>ing into a tmux session running the said
492build or weechat.</p>
493
494<h3 id="file%20uploads">file uploads</h3>
495
496<p>Not being able to access my (ssh-only) file host was
497crippling. With a <code>bash</code> instance on my phone, I just copied
498over my ssh keys, and popped in a file upload script (a
499glorified <code>scp</code>). Now I just have to figure out a way to
500clean up these file names &#8230;</p>
501
502<pre><code>~&#47;storage&#47;pictures&#47; $ ls
50302muf5g7b2i41.jpg 7alt3cwg77841.jpg cl4bsrge7id11.png 21502muf5g7b2i41.jpg 7alt3cwg77841.jpg cl4bsrge7id11.png
504mtZabXG.jpg p8d5c584f2841.jpg vjUxGjq.jpg 216mtZabXG.jpg p8d5c584f2841.jpg vjUxGjq.jpg</code></pre>
505</code></pre>
506
507<h3 id="cmus">cmus</h3> 217<h3 id="cmus">cmus</h3>
508 218<p>Alright, I don’t really listen to music via <code>cmus</code>, but I did use it a couple times when my default music player was acting up. <code>cmus</code> is a viable option:</p>
509<p>Alright, I don&#39;t really listen to music via <code>cmus</code>, but I 219<p><a href="https://u.peppe.rs/CP.jpg"><img src="https://u.peppe.rs/CP.jpg" /></a></p></description>
510did use it a couple times when my default music player was
511acting up. <code>cmus</code> is a viable option:</p>
512
513<p><a href="https://u.peppe.rs/CP.jpg"><img src="https://u.peppe.rs/CP.jpg" alt="" /></a></p></description>
514<link>https://peppe.rs/posts/termux_tandem/</link> 220<link>https://peppe.rs/posts/termux_tandem/</link>
515<pubDate>Sun, 08 Mar 2020 16:47:00 +0000</pubDate> 221<pubDate>Sun, 08 Mar 2020 16:47:00 +0000</pubDate>
516<guid>https://peppe.rs/posts/termux_tandem/</guid> 222<guid>https://peppe.rs/posts/termux_tandem/</guid>
517</item> 223</item>
518<item> 224<item>
519<title>Call To ARMs</title> 225<title>Call To ARMs</title>
520<description><p>My 4th semester involves ARM programming. And proprietary 226<description><p>My 4th semester involves ARM programming. And proprietary tooling (Keil C). But we don’t do that here.</p>
521tooling (Keil C). But we don&#39;t do that here.</p> 227<h3 id="building">Building</h3>
522 228<p>Assembling and linking ARM binaries on non-ARM architecture devices is fairly trivial. I went along with the GNU cross bare metal toolchain binutils, which provides <code>arm-as</code> and <code>arm-ld</code> (among a bunch of other utils that I don’t care about for now).</p>
523<h3 id="Building">Building</h3>
524
525<p>Assembling and linking ARM binaries on non-ARM architecture
526devices is fairly trivial. I went along with the GNU cross
527bare metal toolchain binutils, which provides <code>arm-as</code> and
528<code>arm-ld</code> (among a bunch of other utils that I don&#39;t care
529about for now). </p>
530
531<p>Assemble <code>.s</code> files with:</p> 229<p>Assemble <code>.s</code> files with:</p>
532 230<pre class="shell"><code>arm-none-eabi-as main.s -g -march=armv8.1-a -o main.out</code></pre>
533<pre><code class="language-shell">arm-none-eabi-as main.s -g -march=armv8.1-a -o main.out 231<p>The <code>-g</code> flag generates extra debugging information that <code>gdb</code> picks up. The <code>-march</code> option establishes target architecture.</p>
534</code></pre>
535
536<p>The <code>-g</code> flag generates extra debugging information that
537<code>gdb</code> picks up. The <code>-march</code> option establishes target
538architecture.</p>
539
540<p>Link <code>.o</code> files with:</p> 232<p>Link <code>.o</code> files with:</p>
541 233<pre class="shell"><code>arm-none-eabi-ld main.out -o main</code></pre>
542<pre><code class="language-shell">arm-none-eabi-ld main.out -o main 234<h3 id="running-and-debugging">Running (and Debugging)</h3>
543</code></pre> 235<p>Things get interesting here. <code>gdb</code> on your x86 machine cannot read nor execute binaries compiled for ARM. So, we simulate an ARM processor using <code>qemu</code>. Now qemu allows you to run <code>gdbserver</code> on startup. Connecting our local <code>gdb</code> instance to <code>gdbserver</code> gives us a view into the program’s execution. Easy!</p>
544 236<p>Run <code>qemu</code>, with <code>gdbserver</code> on port <code>1234</code>, with our ARM binary, <code>main</code>:</p>
545<h3 id="Running%20(and%20Debugging)">Running (and Debugging)</h3> 237<pre class="shell"><code>qemu-arm -singlestep -g 1234 main</code></pre>
546 238<p>Start up <code>gdb</code> on your machine, and connect to <code>qemu</code>’s <code>gdbserver</code>:</p>
547<p>Things get interesting here. <code>gdb</code> on your x86 machine
548cannot read nor execute binaries compiled for ARM. So, we
549simulate an ARM processor using <code>qemu</code>. Now qemu allows you
550to run <code>gdbserver</code> on startup. Connecting our local <code>gdb</code>
551instance to <code>gdbserver</code> gives us a view into the program&#8217;s
552execution. Easy!</p>
553
554<p>Run <code>qemu</code>, with <code>gdbserver</code> on port <code>1234</code>, with our ARM
555binary, <code>main</code>:</p>
556
557<pre><code class="language-shell">qemu-arm -singlestep -g 1234 main
558</code></pre>
559
560<p>Start up <code>gdb</code> on your machine, and connect to <code>qemu</code>&#8217;s
561<code>gdbserver</code>:</p>
562
563<pre><code>(gdb) set architecture armv8-a 239<pre><code>(gdb) set architecture armv8-a
564(gdb) target remote localhost:1234 240(gdb) target remote localhost:1234
565(gdb) file main 241(gdb) file main
566Reading symbols from main... # yay! 242Reading symbols from main... # yay!</code></pre>
567</code></pre> 243<h3 id="gdb-enhanced">GDB Enhanced</h3>
568 244<p><code>gdb</code> is cool, but it’s not nearly as comfortable as well fleshed out emulators/IDEs like Keil. Watching registers, CPSR and memory chunks update <em>is</em> pretty fun.</p>
569<h3 id="GDB%20Enhanced">GDB Enhanced</h3> 245<p>I came across <code>gdb</code>’s TUI mode (hit <code>C-x C-a</code> or type <code>tui enable</code> at the prompt). TUI mode is a godsend. It highlights the current line of execution, shows you disassembly outputs, updated registers, active breakpoints and more.</p>
570
571<p><code>gdb</code> is cool, but it&#39;s not nearly as comfortable as well
572fleshed out emulators&#47;IDEs like Keil. Watching registers,
573CPSR and memory chunks update <em>is</em> pretty fun. </p>
574
575<p>I came across <code>gdb</code>&#39;s TUI mode (hit <code>C-x C-a</code> or type <code>tui
576enable</code> at the prompt). TUI mode is a godsend. It highlights
577the current line of execution, shows you disassembly
578outputs, updated registers, active breakpoints and more.</p>
579
580<p><em>But</em>, it is an absolute eyesore.</p> 246<p><em>But</em>, it is an absolute eyesore.</p>
581 247<p>Say hello to <a href="https://github.com/hugsy/gef">GEF</a>! “GDB Enhanced Features” teaches our old dog some cool new tricks. Here are some additions that made my ARM debugging experience loads better:</p>
582<p>Say hello to <a href="https://github.com/hugsy/gef">GEF</a>! &#8220;GDB
583Enhanced Features&#8221; teaches our old dog some cool new tricks.
584Here are some additions that made my ARM debugging
585experience loads better:</p>
586
587<ul> 248<ul>
588<li>Memory watches</li> 249<li>Memory watches</li>
589<li>Register watches, with up to 7 levels of deref (overkill, 250<li>Register watches, with up to 7 levels of deref (overkill, I agree)</li>
590I agree)</li>
591<li>Stack tracing</li> 251<li>Stack tracing</li>
592</ul> 252</ul>
593 253<p>And it’s pretty! See for yourself:</p>
594<p>And it&#39;s pretty! See for yourself:</p> 254<p><a href="https://u.peppe.rs/wq.png"><img src="https://u.peppe.rs/wq.png" /></a></p>
595 255<h3 id="editing">Editing</h3>
596<p><a href="https://u.peppe.rs/wq.png"><img src="https://u.peppe.rs/wq.png" alt="" /></a></p> 256<p>Vim, with <code>syntax off</code> because it dosen’t handle GNU ARM syntax too well.</p></description>
597
598<h3 id="Editing">Editing</h3>
599
600<p>Vim, with <code>syntax off</code> because it
601dosen&#39;t handle GNU ARM syntax too well.</p></description>
602<link>https://peppe.rs/posts/call_to_ARMs/</link> 257<link>https://peppe.rs/posts/call_to_ARMs/</link>
603<pubDate>Fri, 07 Feb 2020 18:30:00 +0000</pubDate> 258<pubDate>Fri, 07 Feb 2020 18:30:00 +0000</pubDate>
604<guid>https://peppe.rs/posts/call_to_ARMs/</guid> 259<guid>https://peppe.rs/posts/call_to_ARMs/</guid>
605</item> 260</item>
606<item> 261<item>
607<title>Color Conundrum</title> 262<title>Color Conundrum</title>
608<description><p>This piece aims to highlight (pun intended) some of the 263<description><p>This piece aims to highlight (pun intended) some of the reasons behind my <a href="https://u.peppe.rs/bF.png">color free</a> editor setup.</p>
609reasons behind my <a href="https://u.peppe.rs/bF.png">color 264<p>Imagine highlighting an entire book because <em>all</em> of it is important. That is exactly what (most) syntax highlighting does. It is difficult for the human eye to filter out noise in rainbow barf. Use color to draw attention, not diverge it.</p>
610free</a> editor setup.</p> 265<p>At the same time, a book devoid of color is <em>boring!</em> What is the takeaway from this 10 line paragraph? What are the technical terms used?</p>
611 266<p>Prose and code are certainly different, but the fickle minded human eye is the same. The eye constantly looks for a frame of reference, a focal point. It grows tired when it can’t find one.</p>
612<p>Imagine highlighting an entire book because <em>all</em> of it is 267<p>The following comparison does a better job of explaining (none, ample and over-the-top highlighting, from left to right):</p>
613important. That is exactly what (most) syntax highlighting 268<p><a href="https://u.peppe.rs/lt.png"><img src="https://u.peppe.rs/lt.png" /></a></p>
614does. It is difficult for the human eye to filter out noise 269<p>Without highlighting (far left), it is hard to differentiate between comments and code! The florid color scheme (far right) is no good either, it contains too many attention grabbers. The center sample is a healthy balance of both. Function calls and constants stand out, and repetitive keywords and other noise (<code>let</code>, <code>as</code>) are mildly dimmed out. Comments and non-code text (sign column, status text) are dimmed further.</p>
615in rainbow barf. Use color to draw attention, not diverge 270<p>I’ll stop myself before I rant about color contrast and combinations.</p></description>
616it.</p>
617
618<p>At the same time, a book devoid of color is <em>boring!</em> What
619is the takeaway from this 10 line paragraph? What are the
620technical terms used?</p>
621
622<p>Prose and code are certainly different, but the fickle
623minded human eye is the same. The eye constantly looks for a
624frame of reference, a focal point. It grows tired when it
625can&#39;t find one.</p>
626
627<p>The following comparison does a better job of explaining
628(none, ample and over-the-top highlighting, from left to
629right):</p>
630
631<p><a href="https://u.peppe.rs/lt.png"><img src="https://u.peppe.rs/lt.png" alt="" /></a></p>
632
633<p>Without highlighting (far left), it is hard to differentiate
634between comments and code! The florid color scheme (far
635right) is no good either, it contains too many attention
636grabbers. The center sample is a healthy balance of both.
637Function calls and constants stand out, and repetitive
638keywords and other noise (<code>let</code>, <code>as</code>) are mildly dimmed
639out. Comments and non-code text (sign column, status text)
640are dimmed further.</p>
641
642<p>I&#39;ll stop myself before I rant about color contrast and
643combinations.</p></description>
644<link>https://peppe.rs/posts/color_conundrum/</link> 271<link>https://peppe.rs/posts/color_conundrum/</link>
645<pubDate>Mon, 30 Dec 2019 18:30:00 +0000</pubDate> 272<pubDate>Mon, 30 Dec 2019 18:30:00 +0000</pubDate>
646<guid>https://peppe.rs/posts/color_conundrum/</guid> 273<guid>https://peppe.rs/posts/color_conundrum/</guid>
647</item> 274</item>
648<item> 275<item>
649<title>Static Sites With Bash</title> 276<title>Static Sites With Bash</title>
650<description><p>After going through a bunch of static site generators 277<description><p>After going through a bunch of static site generators (<a href="https://blog.getpelican.com/">pelican</a>, <a href="https://gohugo.io">hugo</a>, <a href="https://github.com/icyphox/vite">vite</a>), I decided to roll my own. If you are more of the ‘show me the code’ kinda guy, <a href="https://github.com/nerdypepper/site">here</a> you go.</p>
651(<a href="https://blog.getpelican.com/">pelican</a>, 278<h3 id="text-formatting">Text formatting</h3>
652<a href="https://gohugo.io">hugo</a>, 279<p>I chose to write in markdown, and convert to html with <a href="https://kristaps.bsd.lv/lowdown/">lowdown</a>.</p>
653<a href="https://github.com/icyphox/vite">vite</a>), I decided to roll 280<h3 id="directory-structure">Directory structure</h3>
654my own. If you are more of the &#8216;show me the code&#8217; kinda guy, 281<p>I host my site on GitHub pages, so <code>docs/</code> has to be the entry point. Markdown formatted posts go into <code>posts/</code>, get converted into html, and end up in <code>docs/index.html</code>, something like this:</p>
655<a href="https://github.com/nerdypepper/site">here</a> you go.</p> 282<div class="sourceCode" id="cb1"><pre class="sourceCode bash"><code class="sourceCode bash"><span id="cb1-1"><a href="#cb1-1"></a><span class="va">posts=$(</span><span class="fu">ls</span> -t ./posts<span class="va">)</span> <span class="co"># chronological order!</span></span>
656 283<span id="cb1-2"><a href="#cb1-2"></a><span class="kw">for</span> <span class="ex">f</span> in <span class="va">$posts</span><span class="kw">;</span> <span class="kw">do</span></span>
657<h3 id="Text%20formatting">Text formatting</h3> 284<span id="cb1-3"><a href="#cb1-3"></a> <span class="va">file=</span><span class="st">&quot;./posts/&quot;</span><span class="va">$f</span> <span class="co"># `ls` mangled our file paths</span></span>
658 285<span id="cb1-4"><a href="#cb1-4"></a> <span class="bu">echo</span> <span class="st">&quot;generating post </span><span class="va">$file</span><span class="st">&quot;</span></span>
659<p>I chose to write in markdown, and convert 286<span id="cb1-5"><a href="#cb1-5"></a></span>
660to html with <a href="https://kristaps.bsd.lv/lowdown/">lowdown</a>.</p> 287<span id="cb1-6"><a href="#cb1-6"></a> <span class="va">html=$(</span><span class="ex">lowdown</span> <span class="st">&quot;</span><span class="va">$file</span><span class="st">&quot;</span><span class="va">)</span></span>
661 288<span id="cb1-7"><a href="#cb1-7"></a> <span class="bu">echo</span> -e <span class="st">&quot;html&quot;</span> <span class="op">&gt;&gt;</span> docs/index.html</span>
662<h3 id="Directory%20structure">Directory structure</h3> 289<span id="cb1-8"><a href="#cb1-8"></a><span class="kw">done</span></span></code></pre></div>
663 290<h3 id="assets">Assets</h3>
664<p>I host my site on GitHub pages, so 291<p>Most static site generators recommend dropping image assets into the site source itself. That does have it’s merits, but I prefer hosting images separately:</p>
665<code>docs&#47;</code> has to be the entry point. Markdown formatted posts 292<div class="sourceCode" id="cb2"><pre class="sourceCode bash"><code class="sourceCode bash"><span id="cb2-1"><a href="#cb2-1"></a><span class="co"># strip file extension</span></span>
666go into <code>posts&#47;</code>, get converted into html, and end up in 293<span id="cb2-2"><a href="#cb2-2"></a><span class="va">ext=</span><span class="st">&quot;</span><span class="va">${1##</span>*.<span class="va">}</span><span class="st">&quot;</span></span>
667<code>docs&#47;index.html</code>, something like this:</p> 294<span id="cb2-3"><a href="#cb2-3"></a></span>
668 295<span id="cb2-4"><a href="#cb2-4"></a><span class="co"># generate a random file name</span></span>
669<pre><code class="language-bash">posts=$(ls -t .&#47;posts) # chronological order! 296<span id="cb2-5"><a href="#cb2-5"></a><span class="va">id=$(</span> <span class="fu">cat</span> /dev/urandom <span class="kw">|</span> <span class="fu">tr</span> -dc <span class="st">&#39;a-zA-Z0-9&#39;</span> <span class="kw">|</span> <span class="ex">fold</span> -w 2 <span class="kw">|</span> <span class="fu">head</span> -n 1 <span class="va">)</span></span>
670for f in $posts; do 297<span id="cb2-6"><a href="#cb2-6"></a><span class="va">id=</span><span class="st">&quot;</span><span class="va">$id</span><span class="st">.</span><span class="va">$ext</span><span class="st">&quot;</span></span>
671 file=".&#47;posts&#47;"$f # `ls` mangled our file paths 298<span id="cb2-7"><a href="#cb2-7"></a></span>
672 echo "generating post $file" 299<span id="cb2-8"><a href="#cb2-8"></a><span class="co"># copy to my file host</span></span>
673 300<span id="cb2-9"><a href="#cb2-9"></a><span class="fu">scp</span> -P 443 <span class="st">&quot;</span><span class="va">$1</span><span class="st">&quot;</span> emerald:files/<span class="st">&quot;</span><span class="va">$id</span><span class="st">&quot;</span> </span>
674 html=$(lowdown "$file") 301<span id="cb2-10"><a href="#cb2-10"></a><span class="bu">echo</span> <span class="st">&quot;https://u.peppe.rs/</span><span class="va">$id</span><span class="st">&quot;</span></span></code></pre></div>
675 echo -e "html" &#62;&#62; docs&#47;index.html 302<h3 id="templating">Templating</h3>
676done 303<p><a href="https://github.com/NerdyPepper/site/blob/master/generate.sh"><code>generate.sh</code></a> brings the above bits and pieces together (with some extra cruft to avoid javascript). It uses <code>sed</code> to produce nice titles from the file names (removes underscores, title-case), and <code>date(1)</code> to add the date to each post listing!</p></description>
677</code></pre>
678
679<h3 id="Assets">Assets</h3>
680
681<p>Most static site generators recommend dropping image
682assets into the site source itself. That does have it&#8217;s
683merits, but I prefer hosting images separately:</p>
684
685<pre><code class="language-bash"># strip file extension
686ext="${1##*.}"
687
688# generate a random file name
689id=$( cat &#47;dev&#47;urandom | tr -dc &#39;a-zA-Z0-9&#39; | fold -w 2 | head -n 1 )
690id="$id.$ext"
691
692# copy to my file host
693scp -P 443 "$1" emerald:files&#47;"$id"
694echo "https:&#47;&#47;u.peppe.rs&#47;$id"
695</code></pre>
696
697<h3 id="Templating">Templating</h3>
698
699<p><a href="https://github.com/NerdyPepper/site/blob/master/generate.sh"><code>generate.sh</code></a>
700brings the above bits and pieces together (with some extra
701cruft to avoid javascript). It uses <code>sed</code> to produce nice
702titles from the file names (removes underscores,
703title-case), and <code>date(1)</code> to add the date to each post
704listing!</p></description>
705<link>https://peppe.rs/posts/static_sites_with_bash/</link> 304<link>https://peppe.rs/posts/static_sites_with_bash/</link>
706<pubDate>Fri, 22 Nov 2019 18:30:00 +0000</pubDate> 305<pubDate>Fri, 22 Nov 2019 18:30:00 +0000</pubDate>
707<guid>https://peppe.rs/posts/static_sites_with_bash/</guid> 306<guid>https://peppe.rs/posts/static_sites_with_bash/</guid>
708</item> 307</item>
709<item> 308<item>
710<title>My Setup</title> 309<title>My Setup</title>
711<description><p>Decided to do one of these because everyone does one of 310<description><p>Decided to do one of these because everyone does one of these.</p>
712these.</p> 311<p><img src="https://u.peppe.rs/Hb.png" /></p>
713 312<p>My entire setup is managed with GNU <code>stow</code>, making it easier to replicate on fresh installations. You can find my configuration files on <a href="https://github.com/nerdypepper">GitHub</a>.</p>
714<p><img src="https://u.peppe.rs/Hb.png" alt="" /></p> 313<p>I run Void Linux (glibc) on my <a href="https://store.hp.com/us/en/mdp/laptops/envy-13">HP Envy 13" (2018)</a>. To keep things simple, I run a raw X session with <code>2bwm</code> as my window manager, along with <code>dunst</code> (notification daemon) and Sam’s <a href="https://github.com/sdhand/compton"><code>compton</code></a> (compositor) fork.</p>
715 314<p>I am a fan of GNU tools, so I use <code>bash</code> as my shell, and <code>coreutils</code> to manage files, archives, strings, paths etc. I edit files with <code>vim</code>, chat with <code>weechat</code>, listen to music with <code>cmus</code>, monitor processes with <code>htop</code>, manage sessions with <code>tmux</code>, read pdfs in <code>zathura</code>. I rarely ever leave the comfort of my terminal emulator, <code>urxvt</code>.</p>
716<p>My entire setup is managed with GNU <code>stow</code>, making it easier 315<p>Most of my academic typesetting is done with TeX, and compiled with <code>xelatex</code>. Other <em>fun</em> documents are made with GIMP :).</p></description>
717to replicate on fresh installations. You can find my
718configuration files on <a href="https://github.com/nerdypepper">GitHub</a>.</p>
719
720<p>I run Void Linux (glibc) on my
721<a href="https://store.hp.com/us/en/mdp/laptops/envy-13">HP Envy 13&#8221; (2018)</a>.
722To keep things simple, I run a raw X session with <code>2bwm</code> as my
723window manager, along with <code>dunst</code> (notification daemon) and
724Sam&#39;s <a href="https://github.com/sdhand/compton"><code>compton</code></a>
725(compositor) fork.</p>
726
727<p>I am a fan of GNU tools, so I use <code>bash</code> as my shell, and
728<code>coreutils</code> to manage files, archives, strings, paths etc. I
729edit files with <code>vim</code>, chat with <code>weechat</code>, listen to music
730with <code>cmus</code>, monitor processes with <code>htop</code>, manage sessions
731with <code>tmux</code>, read pdfs in <code>zathura</code>. I rarely ever leave
732the comfort of my terminal emulator, <code>urxvt</code>.</p>
733
734<p>Most of my academic typesetting is done with TeX, and
735compiled with <code>xelatex</code>. Other <em>fun</em> documents are made with
736GIMP :).</p></description>
737<link>https://peppe.rs/posts/my_setup/</link> 316<link>https://peppe.rs/posts/my_setup/</link>
738<pubDate>Wed, 06 Nov 2019 18:30:00 +0000</pubDate> 317<pubDate>Wed, 06 Nov 2019 18:30:00 +0000</pubDate>
739<guid>https://peppe.rs/posts/my_setup/</guid> 318<guid>https://peppe.rs/posts/my_setup/</guid>
740</item> 319</item>
741<item> 320<item>
742<title>WPA Woes</title> 321<title>WPA Woes</title>
743<description><p>I finally got around to installing Void GNU&#47;Linux on my main 322<description><p>I finally got around to installing Void GNU/Linux on my main computer. Rolling release, non-systemd, need I say more?</p>
744computer. Rolling release, non-systemd, need I say more?</p> 323<p>As with all GNU/Linux distributions, wireless networks had me in a fix. If you can see this post, it means I’ve managed to get online. It turns out, <code>wpa_supplicant</code> was detecting the wrong interface by default (does it ever select the right one?). Let us fix that:</p>
745 324<pre><code>$ sudo rm -r /var/service/wpa_supplicant
746<p>As with all GNU&#47;Linux distributions, wireless networks had 325$ sudo killall dhcpcd</code></pre>
747me in a fix. If you can see this post, it means I&#39;ve managed
748to get online. It turns out, <code>wpa_supplicant</code> was detecting the
749wrong interface by default (does it ever select the right
750one?). Let us fix that:</p>
751
752<pre><code>$ sudo rm -r &#47;var&#47;service&#47;wpa_supplicant
753$ sudo killall dhcpcd
754</code></pre>
755
756<p>What is the right interface though?</p> 326<p>What is the right interface though?</p>
757
758<pre><code>$ iw dev 327<pre><code>$ iw dev
759 ... 328 ...
760 Interface wlp2s0 329 Interface wlp2s0
761 ... 330 ...</code></pre>
762</code></pre> 331<p>Aha! Let us run <code>wpa_supplicant</code> on that interface, as a background process:</p>
763 332<pre><code>$ sudo wpa_supplicant -B -i wlp2s0 -c /etc/wpa_supplicant/wpa_supplicant.conf
764<p>Aha! Let us run <code>wpa_supplicant</code> on that interface, as a
765background process:</p>
766
767<pre><code>$ sudo wpa_supplicant -B -i wlp2s0 -c &#47;etc&#47;wpa_supplicant&#47;wpa_supplicant.conf
768$ sudo dhcpcd -B wlp2s0 333$ sudo dhcpcd -B wlp2s0
769$ ping google.com 334$ ping google.com
770PING ... 335PING ...</code></pre>
771</code></pre>
772
773<p>Yay! Make those changes perpetual by enabling the service:</p> 336<p>Yay! Make those changes perpetual by enabling the service:</p>
774
775<pre><code>------------------------------------------------------ 337<pre><code>------------------------------------------------------
776# Add these to &#47;etc&#47;wpa_supplicant&#47;wpa_supplicant.conf 338# Add these to /etc/wpa_supplicant/wpa_supplicant.conf
777OPTS="-B" 339OPTS=&quot;-B&quot;
778WPA_INTERFACE="wlp2s0" 340WPA_INTERFACE=&quot;wlp2s0&quot;
779------------------------------------------------------ 341------------------------------------------------------
780$ sudo ln -s &#47;etc&#47;sv&#47;wpa_supplicant &#47;var&#47;service&#47; 342$ sudo ln -s /etc/sv/wpa_supplicant /var/service/
781$ sudo ln -s &#47;etc&#47;sv&#47;dhcpcd &#47;var&#47;service&#47; 343$ sudo ln -s /etc/sv/dhcpcd /var/service/
782$ sudo sv restart wpa_supplicant 344$ sudo sv restart wpa_supplicant
783$ sudo sv restart dhcpcd 345$ sudo sv restart dhcpcd</code></pre></description>
784</code></pre></description>
785<link>https://peppe.rs/posts/WPA_woes/</link> 346<link>https://peppe.rs/posts/WPA_woes/</link>
786<pubDate>Sat, 12 Oct 2019 16:18:00 +0000</pubDate> 347<pubDate>Sat, 12 Oct 2019 16:18:00 +0000</pubDate>
787<guid>https://peppe.rs/posts/WPA_woes/</guid> 348<guid>https://peppe.rs/posts/WPA_woes/</guid>
788</item> 349</item>
789<item> 350<item>
790<title>Bye Bye BDFs</title> 351<title>Bye Bye BDFs</title>
791<description><p>Glyph Bitmap Distribution Format is no more, as the creators of 352<description><p>Glyph Bitmap Distribution Format is no more, as the creators of <a href="https://pango.org">Pango</a>, one of the most widely used text rendering libraries, <a href="https://blogs.gnome.org/mclasen/2019/05/25/pango-future-directions/">announced</a> their plans for Pango 1.44.</p>
792<a href="https://pango.org">Pango</a>, one of the most widely used text rendering 353<p>Until recently, Pango used FreeType to draw fonts. They will be moving over to <a href="https://harfbuzz.org">Harfbuzz</a>, an evolution of FreeType.</p>
793libraries,
794<a href="https://blogs.gnome.org/mclasen/2019/05/25/pango-future-directions/">announced</a>
795their plans for Pango 1.44.</p>
796
797<p>Until recently, Pango used FreeType to draw fonts. They will be moving over
798to <a href="https://harfbuzz.org">Harfbuzz</a>, an evolution of FreeType.</p>
799
800<p><em>Why?</em></p> 354<p><em>Why?</em></p>
801 355<p>In short, FreeType was hard to work with. It required complex logic, and provided no advantage over Harfbuzz (other than being able to fetch opentype metrics with ease).</p>
802<p>In short, FreeType was hard to work with. It required complex logic, and 356<p>Upgrading to Pango v1.44 will break your GTK applications (if you use a <code>bdf</code>/<code>pcf</code> bitmap font). Harfbuzz <em>does</em> support bitmap-only OpenType fonts, <code>otb</code>s. Convert your existing fonts over to <code>otb</code>s using <a href="https://fontforge.github.io">FontForge</a>. It is to be noted that applications such as <code>xterm</code> and <code>rxvt</code> use <code>xft</code> (X FreeType) to render fonts, and will remain unaffected by the update.</p>
803provided no advantage over Harfbuzz (other than being able to fetch 357<p>Both <a href="https://github.com/nerdypepper/scientifica">scientifica</a> and <a href="https://github.com/nerdypepper/curie">curie</a> will soon ship with bitmap-only OpenType font formats.</p></description>
804opentype metrics with ease).</p>
805
806<p>Upgrading to Pango v1.44 will break your GTK applications (if you use a
807<code>bdf</code>&#47;<code>pcf</code> bitmap font). Harfbuzz <em>does</em> support bitmap-only OpenType fonts,
808<code>otb</code>s. Convert your existing fonts over to <code>otb</code>s using
809<a href="https://fontforge.github.io">FontForge</a>. It is to be noted that applications
810such as <code>xterm</code> and <code>rxvt</code> use <code>xft</code> (X FreeType) to render fonts, and will
811remain unaffected by the update.</p>
812
813<p>Both <a href="https://github.com/nerdypepper/scientifica">scientifica</a> and
814<a href="https://github.com/nerdypepper/curie">curie</a> will soon ship with bitmap-only
815OpenType font formats.</p></description>
816<link>https://peppe.rs/posts/bye_bye_BDFs/</link> 358<link>https://peppe.rs/posts/bye_bye_BDFs/</link>
817<pubDate>Wed, 07 Aug 2019 12:31:00 +0000</pubDate> 359<pubDate>Wed, 07 Aug 2019 12:31:00 +0000</pubDate>
818<guid>https://peppe.rs/posts/bye_bye_BDFs/</guid> 360<guid>https://peppe.rs/posts/bye_bye_BDFs/</guid>
819</item> 361</item>
820<item> 362<item>
821<title>Onivim Sucks</title> 363<title>Onivim Sucks</title>
822<description><p><a href="https://v2.onivim.io">Onivim</a> is a &#8216;modern modal editor&#8217;, combining fancy 364<description><p><a href="https://v2.onivim.io">Onivim</a> is a ‘modern modal editor’, combining fancy interface and language features with vim-style modal editing. What’s wrong you ask?</p>
823interface and language features with vim-style modal editing. What&#39;s wrong you 365<p>Apart from <a href="https://github.com/onivim/oni2/issues/550">buggy syntax highlighting</a>, <a href="https://github.com/onivim/oni2/issues/519">broken scrolling</a> and <a href="https://github.com/onivim/oni2/issues?q=is%3Aissue+label%3A%22daily+editor+blocker%22+is%3Aopen">others</a>, Onivim is <strong>proprietary</strong> software. It is licensed under a commercial <a href="https://github.com/onivim/oni1/blob/master/Outrun-Labs-EULA-v1.1.md">end user agreement license</a>, which prohibits redistribution in both object code and source code formats.</p>
824ask?</p> 366<p>Onivim’s core editor logic (bits that belong to vim), have been separated from the interface, into <a href="https://github.com/onivim/libvim">libvim</a>. libvim is licensed under MIT, which means, this ‘extension’ of vim is perfectly in adherence to <a href="http://vimdoc.sourceforge.net/htmldoc/uganda.html#license">vim’s license text</a>! Outrun Labs are exploiting this loophole (distributing vim as a library) to commercialize Onivim.</p>
825 367<p>Onivim’s source code is available on <a href="https://github.com/onivim/oni2">GitHub</a>. They do mention that the source code trickles down to the <a href="https://github.com/onivim/oni2-mit">oni2-mit</a> repository, which (not yet) contains MIT-licensed code, <strong>18 months</strong> after each commit to the original repository.</p>
826<p>Apart from <a href="https://github.com/onivim/oni2/issues/550">buggy syntax highlighting</a>, 368<p>Want to contribute to Onivim? Don’t. They make a profit out of your contributions. Currently, Onivim is priced at $19.99, ‘pre-alpha’ pricing which is 80% off the final price! If you are on the lookout for an editor, I would suggest using <a href="https://vim.org">Vim</a>, charity ware that actually works, and costs $100 lesser.</p></description>
827<a href="https://github.com/onivim/oni2/issues/519">broken scrolling</a> and
828<a href="https://github.com/onivim/oni2/issues?q=is%3Aissue+label%3A%22daily+editor+blocker%22+is%3Aopen">others</a>,
829Onivim is <strong>proprietary</strong> software. It is licensed under a commercial
830<a href="https://github.com/onivim/oni1/blob/master/Outrun-Labs-EULA-v1.1.md">end user agreement license</a>,
831which prohibits redistribution in both object code and source code formats.</p>
832
833<p>Onivim&#39;s core editor logic (bits that belong to vim), have been separated from
834the interface, into <a href="https://github.com/onivim/libvim">libvim</a>. libvim is
835licensed under MIT, which means, this &#8216;extension&#8217; of vim is perfectly in
836adherence to <a href="http://vimdoc.sourceforge.net/htmldoc/uganda.html#license">vim&#39;s license text</a>!
837Outrun Labs are exploiting this loophole (distributing vim as a library) to
838commercialize Onivim.</p>
839
840<p>Onivim&#39;s source code is available on <a href="https://github.com/onivim/oni2">GitHub</a>.
841They do mention that the source code trickles down to the
842<a href="https://github.com/onivim/oni2-mit">oni2-mit</a> repository, which (not yet) contains
843MIT-licensed code, <strong>18 months</strong> after each commit to the original repository.</p>
844
845<p>Want to contribute to Onivim? Don&#39;t. They make a profit out of your contributions.
846Currently, Onivim is priced at $19.99, &#8216;pre-alpha&#8217; pricing which is 80% off the
847final price! If you are on the lookout for an editor, I would suggest using
848<a href="https://vim.org">Vim</a>, charity ware that actually works, and costs $100 lesser.</p></description>
849<link>https://peppe.rs/posts/onivim_sucks/</link> 369<link>https://peppe.rs/posts/onivim_sucks/</link>
850<pubDate>Fri, 02 Aug 2019 12:31:00 +0000</pubDate> 370<pubDate>Fri, 02 Aug 2019 12:31:00 +0000</pubDate>
851<guid>https://peppe.rs/posts/onivim_sucks/</guid> 371<guid>https://peppe.rs/posts/onivim_sucks/</guid>
852</item> 372</item>
853<item> 373<item>
854<title>Bash Harder With Vim</title> 374<title>Bash Harder With Vim</title>
855<description><p>Bash is tricky, don&#39;t let your editor get in your way. Here&#39;s a couple of neat 375<description><p>Bash is tricky, don’t let your editor get in your way. Here’s a couple of neat additions you could make to your <code>vimrc</code> for a better shell programming experience.</p>
856additions you could make to your <code>vimrc</code> for a better shell programming 376<h3 id="man-pages-inside-vim">Man pages inside vim</h3>
857experience.</p> 377<p>Source this script to get started:</p>
858 378<pre><code>runtime ftplugin/man.vim</code></pre>
859<h3 id="Man%20pages%20inside%20vim">Man pages inside vim</h3> 379<p>Now, you can open manpages inside vim with <code>:Man</code>! It adds nicer syntax highlighting and the ability to jump around with <code>Ctrl-]</code> and <code>Ctrl-T</code>.</p>
860
861<p>Source this script to get started: </p>
862
863<pre><code>runtime ftplugin&#47;man.vim
864</code></pre>
865
866<p>Now, you can open manpages inside vim with <code>:Man</code>! It adds nicer syntax highlighting
867and the ability to jump around with <code>Ctrl-]</code> and <code>Ctrl-T</code>.</p>
868
869<p>By default, the manpage is opened in a horizontal split, I prefer using a new tab:</p> 380<p>By default, the manpage is opened in a horizontal split, I prefer using a new tab:</p>
870 381<pre><code>let g:ft_man_open_mode = &#39;tab&#39;</code></pre>
871<pre><code>let g:ft_man_open_mode = &#39;tab&#39; 382<h3 id="scratchpad-to-test-your-commands">Scratchpad to test your commands</h3>
872</code></pre> 383<p>I often test my <code>sed</code> substitutions, here is a sample from the script used to generate this site:</p>
873
874<h3 id="Scratchpad%20to%20test%20your%20commands">Scratchpad to test your commands</h3>
875
876<p>I often test my <code>sed</code> substitutions, here is
877a sample from the script used to generate this site: </p>
878
879<pre><code># a substitution to convert snake_case to Title Case With Spaces 384<pre><code># a substitution to convert snake_case to Title Case With Spaces
880echo "$1" | sed -E -e "s&#47;\..+$&#47;&#47;g" -e "s&#47;_(.)&#47; \u\1&#47;g" -e "s&#47;^(.)&#47;\u\1&#47;g" 385echo &quot;$1&quot; | sed -E -e &quot;s/\..+$//g&quot; -e &quot;s/_(.)/ \u\1/g&quot; -e &quot;s/^(.)/\u\1/g&quot;</code></pre>
881</code></pre>
882
883<p>Instead of dropping into a new shell, just test it out directly from vim!</p> 386<p>Instead of dropping into a new shell, just test it out directly from vim!</p>
884
885<ul> 387<ul>
886<li><p>Yank the line into a register:</p> 388<li>Yank the line into a register:</li>
887 389</ul>
888<pre><code>yy 390<pre><code>yy</code></pre>
889</code></pre></li> 391<ul>
890<li><p>Paste it into the command-line window:</p> 392<li>Paste it into the command-line window:</li>
891 393</ul>
892<pre><code>q:p 394<pre><code>q:p</code></pre>
893</code></pre></li> 395<ul>
894<li><p>Make edits as required:</p> 396<li>Make edits as required:</li>
895 397</ul>
896<pre><code>syntax off # previously run commands 398<pre><code>syntax off # previously run commands
897edit index.html # in a buffer! 399edit index.html # in a buffer!
898w | so % 400w | so %
899!echo "new_post.md" | sed -E -e "s&#47;\..+$&#47;&#47;g" --snip-- 401!echo &quot;new_post.md&quot; | sed -E -e &quot;s/\..+$//g&quot; --snip--
900^--- note the use of &#39;!&#39; 402^--- note the use of &#39;!&#39;</code></pre>
901</code></pre></li> 403<ul>
902<li><p>Hit enter with the cursor on the line containing your command!</p> 404<li>Hit enter with the cursor on the line containing your command!</li>
903 405</ul>
904<pre><code>$ vim 406<pre><code>$ vim
905New Post # output 407New Post # output
906Press ENTER or type command to continue 408Press ENTER or type command to continue</code></pre></description>
907</code></pre></li>
908</ul></description>
909<link>https://peppe.rs/posts/bash_harder_with_vim/</link> 409<link>https://peppe.rs/posts/bash_harder_with_vim/</link>
910<pubDate>Wed, 31 Jul 2019 06:30:00 +0000</pubDate> 410<pubDate>Wed, 31 Jul 2019 06:30:00 +0000</pubDate>
911<guid>https://peppe.rs/posts/bash_harder_with_vim/</guid> 411<guid>https://peppe.rs/posts/bash_harder_with_vim/</guid>
912</item> 412</item>
913<item> 413<item>
914<title>Hold Position!</title> 414<title>Hold Position!</title>
915<description><p>Often times, when I run a vim command that makes &#8220;big&#8221; changes to a file (a 415<description><p>Often times, when I run a vim command that makes “big” changes to a file (a macro or a <code>:vimgrep</code> command) I lose my original position and feel disoriented.</p>
916macro or a <code>:vimgrep</code> command) I lose my original position and feel disoriented.</p>
917
918<p><em>Save position with <code>winsaveview()</code>!</em></p> 416<p><em>Save position with <code>winsaveview()</code>!</em></p>
919 417<p>The <code>winsaveview()</code> command returns a <code>Dictionary</code> that contains information about the view of the current window. This includes the cursor line number, cursor coloumn, the top most line in the window and a couple of other values, none of which concern us.</p>
920<p>The <code>winsaveview()</code> command returns a <code>Dictionary</code> that contains information 418<p>Before running our command (one that jumps around the buffer, a lot), we save our view, and restore it once its done, with <code>winrestview</code>.</p>
921about the view of the current window. This includes the cursor line number,
922cursor coloumn, the top most line in the window and a couple of other values,
923none of which concern us.</p>
924
925<p>Before running our command (one that jumps around the buffer, a lot), we save
926our view, and restore it once its done, with <code>winrestview</code>.</p>
927
928<pre><code>let view = winsaveview() 419<pre><code>let view = winsaveview()
929s&#47;\s\+$&#47;&#47;gc " find and (confirm) replace trailing blanks 420s/\s\+$//gc &quot; find and (confirm) replace trailing blanks
930winrestview(view) " restore our original view! 421winrestview(view) &quot; restore our original view!</code></pre>
931</code></pre> 422<p>It might seem a little overkill in the above example, just use `` (double backticks) instead, but it comes in handy when you run your file through heavier filtering.</p></description>
932
933<p>It might seem a little overkill in the above example, just use `` (double
934backticks) instead, but it comes in handy when you run your file through
935heavier filtering.</p></description>
936<link>https://peppe.rs/posts/hold_position!/</link> 423<link>https://peppe.rs/posts/hold_position!/</link>
937<pubDate>Tue, 30 Jul 2019 12:31:00 +0000</pubDate> 424<pubDate>Tue, 30 Jul 2019 12:31:00 +0000</pubDate>
938<guid>https://peppe.rs/posts/hold_position!/</guid> 425<guid>https://peppe.rs/posts/hold_position!/</guid>
939</item> 426</item>
940<item> 427<item>
941<title>Get Better At Yanking And Putting In Vim</title> 428<title>Get Better At Yanking And Putting In Vim</title>
942<description><ol start="1"> 429<description><p>a couple of nifty tricks to help you copy-paste better:</p>
430<ol type="1">
943<li><p>reselecting previously selected text (i use this to fix botched selections):</p> 431<li><p>reselecting previously selected text (i use this to fix botched selections):</p>
944 432<pre><code>gv &quot; :h gv for more
945<pre><code>gv " :h gv for more 433 &quot; you can use `o` in visual mode to go to the `Other` end of the selection
946 " you can use `o` in visual mode to go to the `Other` end of the selection 434 &quot; use a motion to fix the selection</code></pre></li>
947 " use a motion to fix the selection
948</code></pre></li>
949<li><p>reselecting previously yanked text:</p> 435<li><p>reselecting previously yanked text:</p>
950
951<pre><code>`[v`] 436<pre><code>`[v`]
952`[ " marks the beginning of the previously yanked text :h `[ 437`[ &quot; marks the beginning of the previously yanked text :h `[
953`] " marks the end :h `] 438`] &quot; marks the end :h `]
954 v " visual select everything in between 439 v &quot; visual select everything in between
955 440
956nnoremap gb `[v`] " "a quick map to perform the above 441nnoremap gb `[v`] &quot; &quot;a quick map to perform the above</code></pre></li>
957</code></pre></li>
958<li><p>pasting and indenting text (in one go):</p> 442<li><p>pasting and indenting text (in one go):</p>
959 443<pre><code>]p &quot; put (p) and adjust indent to current line
960<pre><code>]p " put (p) and adjust indent to current line 444]P &quot; put the text before the cursor (P) and adjust indent to current line</code></pre></li>
961]P " put the text before the cursor (P) and adjust indent to current line
962</code></pre></li>
963</ol></description> 445</ol></description>
964<link>https://peppe.rs/posts/get_better_at_yanking_and_putting_in_vim/</link> 446<link>https://peppe.rs/posts/get_better_at_yanking_and_putting_in_vim/</link>
965<pubDate>Mon, 29 Jul 2019 12:31:00 +0000</pubDate> 447<pubDate>Mon, 29 Jul 2019 12:31:00 +0000</pubDate>
diff --git a/docs/posts/WPA_woes/index.html b/docs/posts/WPA_woes/index.html
index f3fcfcf..0c50385 100644
--- a/docs/posts/WPA_woes/index.html
+++ b/docs/posts/WPA_woes/index.html
@@ -2,6 +2,7 @@
2<html lang="en"> 2<html lang="en">
3 <head> 3 <head>
4 <link rel="stylesheet" href="/style.css"> 4 <link rel="stylesheet" href="/style.css">
5 <link rel="stylesheet" href="/syntax.css">
5 <meta charset="UTF-8"> 6 <meta charset="UTF-8">
6 <meta name="viewport" content="initial-scale=1"> 7 <meta name="viewport" content="initial-scale=1">
7 <meta content="#ffffff" name="theme-color"> 8 <meta content="#ffffff" name="theme-color">
@@ -37,27 +38,7 @@
37 WPA Woes 38 WPA Woes
38 </h1> 39 </h1>
39 <div class="post-text"> 40 <div class="post-text">
40 <!DOCTYPE html> 41 <p>I finally got around to installing Void GNU/Linux on my main computer. Rolling release, non-systemd, need I say more?</p>
41<html xmlns="http://www.w3.org/1999/xhtml" lang="" xml:lang="">
42<head>
43 <meta charset="utf-8" />
44 <meta name="generator" content="pandoc" />
45 <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes" />
46 <title>WPA_woes</title>
47 <style>
48 code{white-space: pre-wrap;}
49 span.smallcaps{font-variant: small-caps;}
50 span.underline{text-decoration: underline;}
51 div.column{display: inline-block; vertical-align: top; width: 50%;}
52 div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
53 ul.task-list{list-style: none;}
54 </style>
55 <!--[if lt IE 9]>
56 <script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv-printshiv.min.js"></script>
57 <![endif]-->
58</head>
59<body>
60<p>I finally got around to installing Void GNU/Linux on my main computer. Rolling release, non-systemd, need I say more?</p>
61<p>As with all GNU/Linux distributions, wireless networks had me in a fix. If you can see this post, it means I’ve managed to get online. It turns out, <code>wpa_supplicant</code> was detecting the wrong interface by default (does it ever select the right one?). Let us fix that:</p> 42<p>As with all GNU/Linux distributions, wireless networks had me in a fix. If you can see this post, it means I’ve managed to get online. It turns out, <code>wpa_supplicant</code> was detecting the wrong interface by default (does it ever select the right one?). Let us fix that:</p>
62<pre><code>$ sudo rm -r /var/service/wpa_supplicant 43<pre><code>$ sudo rm -r /var/service/wpa_supplicant
63$ sudo killall dhcpcd</code></pre> 44$ sudo killall dhcpcd</code></pre>
@@ -81,13 +62,15 @@ $ sudo ln -s /etc/sv/wpa_supplicant /var/service/
81$ sudo ln -s /etc/sv/dhcpcd /var/service/ 62$ sudo ln -s /etc/sv/dhcpcd /var/service/
82$ sudo sv restart wpa_supplicant 63$ sudo sv restart wpa_supplicant
83$ sudo sv restart dhcpcd</code></pre> 64$ sudo sv restart dhcpcd</code></pre>
84</body>
85</html>
86 65
87 </div> 66 </div>
88 67
89 <div class=intro> 68 <div class=intro>
90 Hi. <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a> 69 Hi.
70 <div class=hot-links>
71 <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a>
72 <a href=https://liberapay.com/nerdypepper/donate class=donate-button>Donate</a>
73 </div>
91 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p> 74 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p>
92 <p> 75 <p>
93 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer. 76 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer.
diff --git a/docs/posts/bash_harder_with_vim/index.html b/docs/posts/bash_harder_with_vim/index.html
index 17c066a..7c9e5d6 100644
--- a/docs/posts/bash_harder_with_vim/index.html
+++ b/docs/posts/bash_harder_with_vim/index.html
@@ -2,6 +2,7 @@
2<html lang="en"> 2<html lang="en">
3 <head> 3 <head>
4 <link rel="stylesheet" href="/style.css"> 4 <link rel="stylesheet" href="/style.css">
5 <link rel="stylesheet" href="/syntax.css">
5 <meta charset="UTF-8"> 6 <meta charset="UTF-8">
6 <meta name="viewport" content="initial-scale=1"> 7 <meta name="viewport" content="initial-scale=1">
7 <meta content="#ffffff" name="theme-color"> 8 <meta content="#ffffff" name="theme-color">
@@ -37,27 +38,7 @@
37 Bash Harder With Vim 38 Bash Harder With Vim
38 </h1> 39 </h1>
39 <div class="post-text"> 40 <div class="post-text">
40 <!DOCTYPE html> 41 <p>Bash is tricky, don’t let your editor get in your way. Here’s a couple of neat additions you could make to your <code>vimrc</code> for a better shell programming experience.</p>
41<html xmlns="http://www.w3.org/1999/xhtml" lang="" xml:lang="">
42<head>
43 <meta charset="utf-8" />
44 <meta name="generator" content="pandoc" />
45 <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes" />
46 <title>bash_harder_with_vim</title>
47 <style>
48 code{white-space: pre-wrap;}
49 span.smallcaps{font-variant: small-caps;}
50 span.underline{text-decoration: underline;}
51 div.column{display: inline-block; vertical-align: top; width: 50%;}
52 div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
53 ul.task-list{list-style: none;}
54 </style>
55 <!--[if lt IE 9]>
56 <script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv-printshiv.min.js"></script>
57 <![endif]-->
58</head>
59<body>
60<p>Bash is tricky, don’t let your editor get in your way. Here’s a couple of neat additions you could make to your <code>vimrc</code> for a better shell programming experience.</p>
61<h3 id="man-pages-inside-vim">Man pages inside vim</h3> 42<h3 id="man-pages-inside-vim">Man pages inside vim</h3>
62<p>Source this script to get started:</p> 43<p>Source this script to get started:</p>
63<pre><code>runtime ftplugin/man.vim</code></pre> 44<pre><code>runtime ftplugin/man.vim</code></pre>
@@ -91,13 +72,15 @@ w | so %
91<pre><code>$ vim 72<pre><code>$ vim
92New Post # output 73New Post # output
93Press ENTER or type command to continue</code></pre> 74Press ENTER or type command to continue</code></pre>
94</body>
95</html>
96 75
97 </div> 76 </div>
98 77
99 <div class=intro> 78 <div class=intro>
100 Hi. <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a> 79 Hi.
80 <div class=hot-links>
81 <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a>
82 <a href=https://liberapay.com/nerdypepper/donate class=donate-button>Donate</a>
83 </div>
101 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p> 84 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p>
102 <p> 85 <p>
103 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer. 86 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer.
diff --git a/docs/posts/bye_bye_BDFs/index.html b/docs/posts/bye_bye_BDFs/index.html
index d7b7e46..a2e410d 100644
--- a/docs/posts/bye_bye_BDFs/index.html
+++ b/docs/posts/bye_bye_BDFs/index.html
@@ -2,6 +2,7 @@
2<html lang="en"> 2<html lang="en">
3 <head> 3 <head>
4 <link rel="stylesheet" href="/style.css"> 4 <link rel="stylesheet" href="/style.css">
5 <link rel="stylesheet" href="/syntax.css">
5 <meta charset="UTF-8"> 6 <meta charset="UTF-8">
6 <meta name="viewport" content="initial-scale=1"> 7 <meta name="viewport" content="initial-scale=1">
7 <meta content="#ffffff" name="theme-color"> 8 <meta content="#ffffff" name="theme-color">
@@ -37,39 +38,21 @@
37 Bye Bye BDFs 38 Bye Bye BDFs
38 </h1> 39 </h1>
39 <div class="post-text"> 40 <div class="post-text">
40 <!DOCTYPE html> 41 <p>Glyph Bitmap Distribution Format is no more, as the creators of <a href="https://pango.org">Pango</a>, one of the most widely used text rendering libraries, <a href="https://blogs.gnome.org/mclasen/2019/05/25/pango-future-directions/">announced</a> their plans for Pango 1.44.</p>
41<html xmlns="http://www.w3.org/1999/xhtml" lang="" xml:lang="">
42<head>
43 <meta charset="utf-8" />
44 <meta name="generator" content="pandoc" />
45 <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes" />
46 <title>bye_bye_BDFs</title>
47 <style>
48 code{white-space: pre-wrap;}
49 span.smallcaps{font-variant: small-caps;}
50 span.underline{text-decoration: underline;}
51 div.column{display: inline-block; vertical-align: top; width: 50%;}
52 div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
53 ul.task-list{list-style: none;}
54 </style>
55 <!--[if lt IE 9]>
56 <script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv-printshiv.min.js"></script>
57 <![endif]-->
58</head>
59<body>
60<p>Glyph Bitmap Distribution Format is no more, as the creators of <a href="https://pango.org">Pango</a>, one of the most widely used text rendering libraries, <a href="https://blogs.gnome.org/mclasen/2019/05/25/pango-future-directions/">announced</a> their plans for Pango 1.44.</p>
61<p>Until recently, Pango used FreeType to draw fonts. They will be moving over to <a href="https://harfbuzz.org">Harfbuzz</a>, an evolution of FreeType.</p> 42<p>Until recently, Pango used FreeType to draw fonts. They will be moving over to <a href="https://harfbuzz.org">Harfbuzz</a>, an evolution of FreeType.</p>
62<p><em>Why?</em></p> 43<p><em>Why?</em></p>
63<p>In short, FreeType was hard to work with. It required complex logic, and provided no advantage over Harfbuzz (other than being able to fetch opentype metrics with ease).</p> 44<p>In short, FreeType was hard to work with. It required complex logic, and provided no advantage over Harfbuzz (other than being able to fetch opentype metrics with ease).</p>
64<p>Upgrading to Pango v1.44 will break your GTK applications (if you use a <code>bdf</code>/<code>pcf</code> bitmap font). Harfbuzz <em>does</em> support bitmap-only OpenType fonts, <code>otb</code>s. Convert your existing fonts over to <code>otb</code>s using <a href="https://fontforge.github.io">FontForge</a>. It is to be noted that applications such as <code>xterm</code> and <code>rxvt</code> use <code>xft</code> (X FreeType) to render fonts, and will remain unaffected by the update.</p> 45<p>Upgrading to Pango v1.44 will break your GTK applications (if you use a <code>bdf</code>/<code>pcf</code> bitmap font). Harfbuzz <em>does</em> support bitmap-only OpenType fonts, <code>otb</code>s. Convert your existing fonts over to <code>otb</code>s using <a href="https://fontforge.github.io">FontForge</a>. It is to be noted that applications such as <code>xterm</code> and <code>rxvt</code> use <code>xft</code> (X FreeType) to render fonts, and will remain unaffected by the update.</p>
65<p>Both <a href="https://github.com/nerdypepper/scientifica">scientifica</a> and <a href="https://github.com/nerdypepper/curie">curie</a> will soon ship with bitmap-only OpenType font formats.</p> 46<p>Both <a href="https://github.com/nerdypepper/scientifica">scientifica</a> and <a href="https://github.com/nerdypepper/curie">curie</a> will soon ship with bitmap-only OpenType font formats.</p>
66</body>
67</html>
68 47
69 </div> 48 </div>
70 49
71 <div class=intro> 50 <div class=intro>
72 Hi. <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a> 51 Hi.
52 <div class=hot-links>
53 <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a>
54 <a href=https://liberapay.com/nerdypepper/donate class=donate-button>Donate</a>
55 </div>
73 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p> 56 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p>
74 <p> 57 <p>
75 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer. 58 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer.
diff --git a/docs/posts/call_to_ARMs/index.html b/docs/posts/call_to_ARMs/index.html
index 578a8b7..f882e6b 100644
--- a/docs/posts/call_to_ARMs/index.html
+++ b/docs/posts/call_to_ARMs/index.html
@@ -2,6 +2,7 @@
2<html lang="en"> 2<html lang="en">
3 <head> 3 <head>
4 <link rel="stylesheet" href="/style.css"> 4 <link rel="stylesheet" href="/style.css">
5 <link rel="stylesheet" href="/syntax.css">
5 <meta charset="UTF-8"> 6 <meta charset="UTF-8">
6 <meta name="viewport" content="initial-scale=1"> 7 <meta name="viewport" content="initial-scale=1">
7 <meta content="#ffffff" name="theme-color"> 8 <meta content="#ffffff" name="theme-color">
@@ -37,27 +38,7 @@
37 Call To ARMs 38 Call To ARMs
38 </h1> 39 </h1>
39 <div class="post-text"> 40 <div class="post-text">
40 <!DOCTYPE html> 41 <p>My 4th semester involves ARM programming. And proprietary tooling (Keil C). But we don’t do that here.</p>
41<html xmlns="http://www.w3.org/1999/xhtml" lang="" xml:lang="">
42<head>
43 <meta charset="utf-8" />
44 <meta name="generator" content="pandoc" />
45 <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes" />
46 <title>call_to_ARMs</title>
47 <style>
48 code{white-space: pre-wrap;}
49 span.smallcaps{font-variant: small-caps;}
50 span.underline{text-decoration: underline;}
51 div.column{display: inline-block; vertical-align: top; width: 50%;}
52 div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
53 ul.task-list{list-style: none;}
54 </style>
55 <!--[if lt IE 9]>
56 <script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv-printshiv.min.js"></script>
57 <![endif]-->
58</head>
59<body>
60<p>My 4th semester involves ARM programming. And proprietary tooling (Keil C). But we don’t do that here.</p>
61<h3 id="building">Building</h3> 42<h3 id="building">Building</h3>
62<p>Assembling and linking ARM binaries on non-ARM architecture devices is fairly trivial. I went along with the GNU cross bare metal toolchain binutils, which provides <code>arm-as</code> and <code>arm-ld</code> (among a bunch of other utils that I don’t care about for now).</p> 43<p>Assembling and linking ARM binaries on non-ARM architecture devices is fairly trivial. I went along with the GNU cross bare metal toolchain binutils, which provides <code>arm-as</code> and <code>arm-ld</code> (among a bunch of other utils that I don’t care about for now).</p>
63<p>Assemble <code>.s</code> files with:</p> 44<p>Assemble <code>.s</code> files with:</p>
@@ -88,13 +69,15 @@ Reading symbols from main... # yay!</code></pre>
88<p><a href="https://u.peppe.rs/wq.png"><img src="https://u.peppe.rs/wq.png" /></a></p> 69<p><a href="https://u.peppe.rs/wq.png"><img src="https://u.peppe.rs/wq.png" /></a></p>
89<h3 id="editing">Editing</h3> 70<h3 id="editing">Editing</h3>
90<p>Vim, with <code>syntax off</code> because it dosen’t handle GNU ARM syntax too well.</p> 71<p>Vim, with <code>syntax off</code> because it dosen’t handle GNU ARM syntax too well.</p>
91</body>
92</html>
93 72
94 </div> 73 </div>
95 74
96 <div class=intro> 75 <div class=intro>
97 Hi. <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a> 76 Hi.
77 <div class=hot-links>
78 <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a>
79 <a href=https://liberapay.com/nerdypepper/donate class=donate-button>Donate</a>
80 </div>
98 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p> 81 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p>
99 <p> 82 <p>
100 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer. 83 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer.
diff --git a/docs/posts/color_conundrum/index.html b/docs/posts/color_conundrum/index.html
index f732fd0..0ba7aa5 100644
--- a/docs/posts/color_conundrum/index.html
+++ b/docs/posts/color_conundrum/index.html
@@ -2,6 +2,7 @@
2<html lang="en"> 2<html lang="en">
3 <head> 3 <head>
4 <link rel="stylesheet" href="/style.css"> 4 <link rel="stylesheet" href="/style.css">
5 <link rel="stylesheet" href="/syntax.css">
5 <meta charset="UTF-8"> 6 <meta charset="UTF-8">
6 <meta name="viewport" content="initial-scale=1"> 7 <meta name="viewport" content="initial-scale=1">
7 <meta content="#ffffff" name="theme-color"> 8 <meta content="#ffffff" name="theme-color">
@@ -37,27 +38,7 @@
37 Color Conundrum 38 Color Conundrum
38 </h1> 39 </h1>
39 <div class="post-text"> 40 <div class="post-text">
40 <!DOCTYPE html> 41 <p>This piece aims to highlight (pun intended) some of the reasons behind my <a href="https://u.peppe.rs/bF.png">color free</a> editor setup.</p>
41<html xmlns="http://www.w3.org/1999/xhtml" lang="" xml:lang="">
42<head>
43 <meta charset="utf-8" />
44 <meta name="generator" content="pandoc" />
45 <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes" />
46 <title>color_conundrum</title>
47 <style>
48 code{white-space: pre-wrap;}
49 span.smallcaps{font-variant: small-caps;}
50 span.underline{text-decoration: underline;}
51 div.column{display: inline-block; vertical-align: top; width: 50%;}
52 div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
53 ul.task-list{list-style: none;}
54 </style>
55 <!--[if lt IE 9]>
56 <script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv-printshiv.min.js"></script>
57 <![endif]-->
58</head>
59<body>
60<p>This piece aims to highlight (pun intended) some of the reasons behind my <a href="https://u.peppe.rs/bF.png">color free</a> editor setup.</p>
61<p>Imagine highlighting an entire book because <em>all</em> of it is important. That is exactly what (most) syntax highlighting does. It is difficult for the human eye to filter out noise in rainbow barf. Use color to draw attention, not diverge it.</p> 42<p>Imagine highlighting an entire book because <em>all</em> of it is important. That is exactly what (most) syntax highlighting does. It is difficult for the human eye to filter out noise in rainbow barf. Use color to draw attention, not diverge it.</p>
62<p>At the same time, a book devoid of color is <em>boring!</em> What is the takeaway from this 10 line paragraph? What are the technical terms used?</p> 43<p>At the same time, a book devoid of color is <em>boring!</em> What is the takeaway from this 10 line paragraph? What are the technical terms used?</p>
63<p>Prose and code are certainly different, but the fickle minded human eye is the same. The eye constantly looks for a frame of reference, a focal point. It grows tired when it can’t find one.</p> 44<p>Prose and code are certainly different, but the fickle minded human eye is the same. The eye constantly looks for a frame of reference, a focal point. It grows tired when it can’t find one.</p>
@@ -65,13 +46,15 @@
65<p><a href="https://u.peppe.rs/lt.png"><img src="https://u.peppe.rs/lt.png" /></a></p> 46<p><a href="https://u.peppe.rs/lt.png"><img src="https://u.peppe.rs/lt.png" /></a></p>
66<p>Without highlighting (far left), it is hard to differentiate between comments and code! The florid color scheme (far right) is no good either, it contains too many attention grabbers. The center sample is a healthy balance of both. Function calls and constants stand out, and repetitive keywords and other noise (<code>let</code>, <code>as</code>) are mildly dimmed out. Comments and non-code text (sign column, status text) are dimmed further.</p> 47<p>Without highlighting (far left), it is hard to differentiate between comments and code! The florid color scheme (far right) is no good either, it contains too many attention grabbers. The center sample is a healthy balance of both. Function calls and constants stand out, and repetitive keywords and other noise (<code>let</code>, <code>as</code>) are mildly dimmed out. Comments and non-code text (sign column, status text) are dimmed further.</p>
67<p>I’ll stop myself before I rant about color contrast and combinations.</p> 48<p>I’ll stop myself before I rant about color contrast and combinations.</p>
68</body>
69</html>
70 49
71 </div> 50 </div>
72 51
73 <div class=intro> 52 <div class=intro>
74 Hi. <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a> 53 Hi.
54 <div class=hot-links>
55 <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a>
56 <a href=https://liberapay.com/nerdypepper/donate class=donate-button>Donate</a>
57 </div>
75 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p> 58 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p>
76 <p> 59 <p>
77 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer. 60 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer.
diff --git a/docs/posts/font_size_fallacies/index.html b/docs/posts/font_size_fallacies/index.html
index f8bffad..c91eba5 100644
--- a/docs/posts/font_size_fallacies/index.html
+++ b/docs/posts/font_size_fallacies/index.html
@@ -2,6 +2,7 @@
2<html lang="en"> 2<html lang="en">
3 <head> 3 <head>
4 <link rel="stylesheet" href="/style.css"> 4 <link rel="stylesheet" href="/style.css">
5 <link rel="stylesheet" href="/syntax.css">
5 <meta charset="UTF-8"> 6 <meta charset="UTF-8">
6 <meta name="viewport" content="initial-scale=1"> 7 <meta name="viewport" content="initial-scale=1">
7 <meta content="#ffffff" name="theme-color"> 8 <meta content="#ffffff" name="theme-color">
@@ -37,27 +38,7 @@
37 Font Size Fallacies 38 Font Size Fallacies
38 </h1> 39 </h1>
39 <div class="post-text"> 40 <div class="post-text">
40 <!DOCTYPE html> 41 <p>I am not an expert with fonts, but I do have some experience <a href="#fn1" class="footnote-ref" id="fnref1" role="doc-noteref"><sup>1</sup></a>, and common sense. This post aims to debunk some misconceptions about font sizes!</p>
41<html xmlns="http://www.w3.org/1999/xhtml" lang="" xml:lang="">
42<head>
43 <meta charset="utf-8" />
44 <meta name="generator" content="pandoc" />
45 <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes" />
46 <title>font_size_fallacies</title>
47 <style>
48 code{white-space: pre-wrap;}
49 span.smallcaps{font-variant: small-caps;}
50 span.underline{text-decoration: underline;}
51 div.column{display: inline-block; vertical-align: top; width: 50%;}
52 div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
53 ul.task-list{list-style: none;}
54 </style>
55 <!--[if lt IE 9]>
56 <script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv-printshiv.min.js"></script>
57 <![endif]-->
58</head>
59<body>
60<p>I am not an expert with fonts, but I do have some experience <a href="#fn1" class="footnote-ref" id="fnref1" role="doc-noteref"><sup>1</sup></a>, and common sense. This post aims to debunk some misconceptions about font sizes!</p>
61<p>11 px on your display is <em>probably not</em> 11 px on my display. Let’s do some quick math. I have two displays, 1366x768 @ 21" and another with 1920x1080 @ 13", call them <code>A</code> and <code>B</code> for now.</p> 42<p>11 px on your display is <em>probably not</em> 11 px on my display. Let’s do some quick math. I have two displays, 1366x768 @ 21" and another with 1920x1080 @ 13", call them <code>A</code> and <code>B</code> for now.</p>
62<p>Display <code>A</code> has 1,049,088 pixels. A pixel is a square, of side say, <code>s</code> cm. The total area covered by my 21" display is about 1,066 cm^2 (41x26). Thus,</p> 43<p>Display <code>A</code> has 1,049,088 pixels. A pixel is a square, of side say, <code>s</code> cm. The total area covered by my 21" display is about 1,066 cm^2 (41x26). Thus,</p>
63<pre><code>Display A 44<pre><code>Display A
@@ -87,13 +68,15 @@ Dimensions: 1920x1080 @ 13&quot; (29.5x16.5 sq. cm)
87<li id="fn4" role="doc-endnote"><p>https://en.wikipedia.org/wiki/Sony_Xperia_1<a href="#fnref4" class="footnote-back" role="doc-backlink">↩︎</a></p></li> 68<li id="fn4" role="doc-endnote"><p>https://en.wikipedia.org/wiki/Sony_Xperia_1<a href="#fnref4" class="footnote-back" role="doc-backlink">↩︎</a></p></li>
88</ol> 69</ol>
89</section> 70</section>
90</body>
91</html>
92 71
93 </div> 72 </div>
94 73
95 <div class=intro> 74 <div class=intro>
96 Hi. <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a> 75 Hi.
76 <div class=hot-links>
77 <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a>
78 <a href=https://liberapay.com/nerdypepper/donate class=donate-button>Donate</a>
79 </div>
97 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p> 80 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p>
98 <p> 81 <p>
99 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer. 82 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer.
diff --git a/docs/posts/get_better_at_yanking_and_putting_in_vim/index.html b/docs/posts/get_better_at_yanking_and_putting_in_vim/index.html
index 6536f6d..a009a15 100644
--- a/docs/posts/get_better_at_yanking_and_putting_in_vim/index.html
+++ b/docs/posts/get_better_at_yanking_and_putting_in_vim/index.html
@@ -2,6 +2,7 @@
2<html lang="en"> 2<html lang="en">
3 <head> 3 <head>
4 <link rel="stylesheet" href="/style.css"> 4 <link rel="stylesheet" href="/style.css">
5 <link rel="stylesheet" href="/syntax.css">
5 <meta charset="UTF-8"> 6 <meta charset="UTF-8">
6 <meta name="viewport" content="initial-scale=1"> 7 <meta name="viewport" content="initial-scale=1">
7 <meta content="#ffffff" name="theme-color"> 8 <meta content="#ffffff" name="theme-color">
@@ -37,27 +38,7 @@
37 Get Better At Yanking And Putting In Vim 38 Get Better At Yanking And Putting In Vim
38 </h1> 39 </h1>
39 <div class="post-text"> 40 <div class="post-text">
40 <!DOCTYPE html> 41 <p>a couple of nifty tricks to help you copy-paste better:</p>
41<html xmlns="http://www.w3.org/1999/xhtml" lang="" xml:lang="">
42<head>
43 <meta charset="utf-8" />
44 <meta name="generator" content="pandoc" />
45 <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes" />
46 <title>get_better_at_yanking_and_putting_in_vim</title>
47 <style>
48 code{white-space: pre-wrap;}
49 span.smallcaps{font-variant: small-caps;}
50 span.underline{text-decoration: underline;}
51 div.column{display: inline-block; vertical-align: top; width: 50%;}
52 div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
53 ul.task-list{list-style: none;}
54 </style>
55 <!--[if lt IE 9]>
56 <script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv-printshiv.min.js"></script>
57 <![endif]-->
58</head>
59<body>
60<p>a couple of nifty tricks to help you copy-paste better:</p>
61<ol type="1"> 42<ol type="1">
62<li><p>reselecting previously selected text (i use this to fix botched selections):</p> 43<li><p>reselecting previously selected text (i use this to fix botched selections):</p>
63<pre><code>gv &quot; :h gv for more 44<pre><code>gv &quot; :h gv for more
@@ -74,13 +55,15 @@ nnoremap gb `[v`] &quot; &quot;a quick map to perform the above</code></pre><
74<pre><code>]p &quot; put (p) and adjust indent to current line 55<pre><code>]p &quot; put (p) and adjust indent to current line
75]P &quot; put the text before the cursor (P) and adjust indent to current line</code></pre></li> 56]P &quot; put the text before the cursor (P) and adjust indent to current line</code></pre></li>
76</ol> 57</ol>
77</body>
78</html>
79 58
80 </div> 59 </div>
81 60
82 <div class=intro> 61 <div class=intro>
83 Hi. <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a> 62 Hi.
63 <div class=hot-links>
64 <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a>
65 <a href=https://liberapay.com/nerdypepper/donate class=donate-button>Donate</a>
66 </div>
84 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p> 67 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p>
85 <p> 68 <p>
86 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer. 69 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer.
diff --git a/docs/posts/hold_position!/index.html b/docs/posts/hold_position!/index.html
index b14d41a..61e4768 100644
--- a/docs/posts/hold_position!/index.html
+++ b/docs/posts/hold_position!/index.html
@@ -2,6 +2,7 @@
2<html lang="en"> 2<html lang="en">
3 <head> 3 <head>
4 <link rel="stylesheet" href="/style.css"> 4 <link rel="stylesheet" href="/style.css">
5 <link rel="stylesheet" href="/syntax.css">
5 <meta charset="UTF-8"> 6 <meta charset="UTF-8">
6 <meta name="viewport" content="initial-scale=1"> 7 <meta name="viewport" content="initial-scale=1">
7 <meta content="#ffffff" name="theme-color"> 8 <meta content="#ffffff" name="theme-color">
@@ -37,27 +38,7 @@
37 Hold Position! 38 Hold Position!
38 </h1> 39 </h1>
39 <div class="post-text"> 40 <div class="post-text">
40 <!DOCTYPE html> 41 <p>Often times, when I run a vim command that makes “big” changes to a file (a macro or a <code>:vimgrep</code> command) I lose my original position and feel disoriented.</p>
41<html xmlns="http://www.w3.org/1999/xhtml" lang="" xml:lang="">
42<head>
43 <meta charset="utf-8" />
44 <meta name="generator" content="pandoc" />
45 <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes" />
46 <title>hold_position!</title>
47 <style>
48 code{white-space: pre-wrap;}
49 span.smallcaps{font-variant: small-caps;}
50 span.underline{text-decoration: underline;}
51 div.column{display: inline-block; vertical-align: top; width: 50%;}
52 div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
53 ul.task-list{list-style: none;}
54 </style>
55 <!--[if lt IE 9]>
56 <script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv-printshiv.min.js"></script>
57 <![endif]-->
58</head>
59<body>
60<p>Often times, when I run a vim command that makes “big” changes to a file (a macro or a <code>:vimgrep</code> command) I lose my original position and feel disoriented.</p>
61<p><em>Save position with <code>winsaveview()</code>!</em></p> 42<p><em>Save position with <code>winsaveview()</code>!</em></p>
62<p>The <code>winsaveview()</code> command returns a <code>Dictionary</code> that contains information about the view of the current window. This includes the cursor line number, cursor coloumn, the top most line in the window and a couple of other values, none of which concern us.</p> 43<p>The <code>winsaveview()</code> command returns a <code>Dictionary</code> that contains information about the view of the current window. This includes the cursor line number, cursor coloumn, the top most line in the window and a couple of other values, none of which concern us.</p>
63<p>Before running our command (one that jumps around the buffer, a lot), we save our view, and restore it once its done, with <code>winrestview</code>.</p> 44<p>Before running our command (one that jumps around the buffer, a lot), we save our view, and restore it once its done, with <code>winrestview</code>.</p>
@@ -65,13 +46,15 @@
65s/\s\+$//gc &quot; find and (confirm) replace trailing blanks 46s/\s\+$//gc &quot; find and (confirm) replace trailing blanks
66winrestview(view) &quot; restore our original view!</code></pre> 47winrestview(view) &quot; restore our original view!</code></pre>
67<p>It might seem a little overkill in the above example, just use `` (double backticks) instead, but it comes in handy when you run your file through heavier filtering.</p> 48<p>It might seem a little overkill in the above example, just use `` (double backticks) instead, but it comes in handy when you run your file through heavier filtering.</p>
68</body>
69</html>
70 49
71 </div> 50 </div>
72 51
73 <div class=intro> 52 <div class=intro>
74 Hi. <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a> 53 Hi.
54 <div class=hot-links>
55 <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a>
56 <a href=https://liberapay.com/nerdypepper/donate class=donate-button>Donate</a>
57 </div>
75 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p> 58 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p>
76 <p> 59 <p>
77 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer. 60 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer.
diff --git a/docs/posts/my_setup/index.html b/docs/posts/my_setup/index.html
index aaad548..996a459 100644
--- a/docs/posts/my_setup/index.html
+++ b/docs/posts/my_setup/index.html
@@ -2,6 +2,7 @@
2<html lang="en"> 2<html lang="en">
3 <head> 3 <head>
4 <link rel="stylesheet" href="/style.css"> 4 <link rel="stylesheet" href="/style.css">
5 <link rel="stylesheet" href="/syntax.css">
5 <meta charset="UTF-8"> 6 <meta charset="UTF-8">
6 <meta name="viewport" content="initial-scale=1"> 7 <meta name="viewport" content="initial-scale=1">
7 <meta content="#ffffff" name="theme-color"> 8 <meta content="#ffffff" name="theme-color">
@@ -37,39 +38,21 @@
37 My Setup 38 My Setup
38 </h1> 39 </h1>
39 <div class="post-text"> 40 <div class="post-text">
40 <!DOCTYPE html> 41 <p>Decided to do one of these because everyone does one of these.</p>
41<html xmlns="http://www.w3.org/1999/xhtml" lang="" xml:lang="">
42<head>
43 <meta charset="utf-8" />
44 <meta name="generator" content="pandoc" />
45 <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes" />
46 <title>my_setup</title>
47 <style>
48 code{white-space: pre-wrap;}
49 span.smallcaps{font-variant: small-caps;}
50 span.underline{text-decoration: underline;}
51 div.column{display: inline-block; vertical-align: top; width: 50%;}
52 div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
53 ul.task-list{list-style: none;}
54 </style>
55 <!--[if lt IE 9]>
56 <script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv-printshiv.min.js"></script>
57 <![endif]-->
58</head>
59<body>
60<p>Decided to do one of these because everyone does one of these.</p>
61<p><img src="https://u.peppe.rs/Hb.png" /></p> 42<p><img src="https://u.peppe.rs/Hb.png" /></p>
62<p>My entire setup is managed with GNU <code>stow</code>, making it easier to replicate on fresh installations. You can find my configuration files on <a href="https://github.com/nerdypepper">GitHub</a>.</p> 43<p>My entire setup is managed with GNU <code>stow</code>, making it easier to replicate on fresh installations. You can find my configuration files on <a href="https://github.com/nerdypepper">GitHub</a>.</p>
63<p>I run Void Linux (glibc) on my <a href="https://store.hp.com/us/en/mdp/laptops/envy-13">HP Envy 13" (2018)</a>. To keep things simple, I run a raw X session with <code>2bwm</code> as my window manager, along with <code>dunst</code> (notification daemon) and Sam’s <a href="https://github.com/sdhand/compton"><code>compton</code></a> (compositor) fork.</p> 44<p>I run Void Linux (glibc) on my <a href="https://store.hp.com/us/en/mdp/laptops/envy-13">HP Envy 13" (2018)</a>. To keep things simple, I run a raw X session with <code>2bwm</code> as my window manager, along with <code>dunst</code> (notification daemon) and Sam’s <a href="https://github.com/sdhand/compton"><code>compton</code></a> (compositor) fork.</p>
64<p>I am a fan of GNU tools, so I use <code>bash</code> as my shell, and <code>coreutils</code> to manage files, archives, strings, paths etc. I edit files with <code>vim</code>, chat with <code>weechat</code>, listen to music with <code>cmus</code>, monitor processes with <code>htop</code>, manage sessions with <code>tmux</code>, read pdfs in <code>zathura</code>. I rarely ever leave the comfort of my terminal emulator, <code>urxvt</code>.</p> 45<p>I am a fan of GNU tools, so I use <code>bash</code> as my shell, and <code>coreutils</code> to manage files, archives, strings, paths etc. I edit files with <code>vim</code>, chat with <code>weechat</code>, listen to music with <code>cmus</code>, monitor processes with <code>htop</code>, manage sessions with <code>tmux</code>, read pdfs in <code>zathura</code>. I rarely ever leave the comfort of my terminal emulator, <code>urxvt</code>.</p>
65<p>Most of my academic typesetting is done with TeX, and compiled with <code>xelatex</code>. Other <em>fun</em> documents are made with GIMP :).</p> 46<p>Most of my academic typesetting is done with TeX, and compiled with <code>xelatex</code>. Other <em>fun</em> documents are made with GIMP :).</p>
66</body>
67</html>
68 47
69 </div> 48 </div>
70 49
71 <div class=intro> 50 <div class=intro>
72 Hi. <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a> 51 Hi.
52 <div class=hot-links>
53 <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a>
54 <a href=https://liberapay.com/nerdypepper/donate class=donate-button>Donate</a>
55 </div>
73 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p> 56 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p>
74 <p> 57 <p>
75 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer. 58 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer.
diff --git a/docs/posts/onivim_sucks/index.html b/docs/posts/onivim_sucks/index.html
index 9635c8c..ded6fd9 100644
--- a/docs/posts/onivim_sucks/index.html
+++ b/docs/posts/onivim_sucks/index.html
@@ -2,6 +2,7 @@
2<html lang="en"> 2<html lang="en">
3 <head> 3 <head>
4 <link rel="stylesheet" href="/style.css"> 4 <link rel="stylesheet" href="/style.css">
5 <link rel="stylesheet" href="/syntax.css">
5 <meta charset="UTF-8"> 6 <meta charset="UTF-8">
6 <meta name="viewport" content="initial-scale=1"> 7 <meta name="viewport" content="initial-scale=1">
7 <meta content="#ffffff" name="theme-color"> 8 <meta content="#ffffff" name="theme-color">
@@ -37,38 +38,20 @@
37 Onivim Sucks 38 Onivim Sucks
38 </h1> 39 </h1>
39 <div class="post-text"> 40 <div class="post-text">
40 <!DOCTYPE html> 41 <p><a href="https://v2.onivim.io">Onivim</a> is a ‘modern modal editor’, combining fancy interface and language features with vim-style modal editing. What’s wrong you ask?</p>
41<html xmlns="http://www.w3.org/1999/xhtml" lang="" xml:lang="">
42<head>
43 <meta charset="utf-8" />
44 <meta name="generator" content="pandoc" />
45 <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes" />
46 <title>onivim_sucks</title>
47 <style>
48 code{white-space: pre-wrap;}
49 span.smallcaps{font-variant: small-caps;}
50 span.underline{text-decoration: underline;}
51 div.column{display: inline-block; vertical-align: top; width: 50%;}
52 div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
53 ul.task-list{list-style: none;}
54 </style>
55 <!--[if lt IE 9]>
56 <script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv-printshiv.min.js"></script>
57 <![endif]-->
58</head>
59<body>
60<p><a href="https://v2.onivim.io">Onivim</a> is a ‘modern modal editor’, combining fancy interface and language features with vim-style modal editing. What’s wrong you ask?</p>
61<p>Apart from <a href="https://github.com/onivim/oni2/issues/550">buggy syntax highlighting</a>, <a href="https://github.com/onivim/oni2/issues/519">broken scrolling</a> and <a href="https://github.com/onivim/oni2/issues?q=is%3Aissue+label%3A%22daily+editor+blocker%22+is%3Aopen">others</a>, Onivim is <strong>proprietary</strong> software. It is licensed under a commercial <a href="https://github.com/onivim/oni1/blob/master/Outrun-Labs-EULA-v1.1.md">end user agreement license</a>, which prohibits redistribution in both object code and source code formats.</p> 42<p>Apart from <a href="https://github.com/onivim/oni2/issues/550">buggy syntax highlighting</a>, <a href="https://github.com/onivim/oni2/issues/519">broken scrolling</a> and <a href="https://github.com/onivim/oni2/issues?q=is%3Aissue+label%3A%22daily+editor+blocker%22+is%3Aopen">others</a>, Onivim is <strong>proprietary</strong> software. It is licensed under a commercial <a href="https://github.com/onivim/oni1/blob/master/Outrun-Labs-EULA-v1.1.md">end user agreement license</a>, which prohibits redistribution in both object code and source code formats.</p>
62<p>Onivim’s core editor logic (bits that belong to vim), have been separated from the interface, into <a href="https://github.com/onivim/libvim">libvim</a>. libvim is licensed under MIT, which means, this ‘extension’ of vim is perfectly in adherence to <a href="http://vimdoc.sourceforge.net/htmldoc/uganda.html#license">vim’s license text</a>! Outrun Labs are exploiting this loophole (distributing vim as a library) to commercialize Onivim.</p> 43<p>Onivim’s core editor logic (bits that belong to vim), have been separated from the interface, into <a href="https://github.com/onivim/libvim">libvim</a>. libvim is licensed under MIT, which means, this ‘extension’ of vim is perfectly in adherence to <a href="http://vimdoc.sourceforge.net/htmldoc/uganda.html#license">vim’s license text</a>! Outrun Labs are exploiting this loophole (distributing vim as a library) to commercialize Onivim.</p>
63<p>Onivim’s source code is available on <a href="https://github.com/onivim/oni2">GitHub</a>. They do mention that the source code trickles down to the <a href="https://github.com/onivim/oni2-mit">oni2-mit</a> repository, which (not yet) contains MIT-licensed code, <strong>18 months</strong> after each commit to the original repository.</p> 44<p>Onivim’s source code is available on <a href="https://github.com/onivim/oni2">GitHub</a>. They do mention that the source code trickles down to the <a href="https://github.com/onivim/oni2-mit">oni2-mit</a> repository, which (not yet) contains MIT-licensed code, <strong>18 months</strong> after each commit to the original repository.</p>
64<p>Want to contribute to Onivim? Don’t. They make a profit out of your contributions. Currently, Onivim is priced at $19.99, ‘pre-alpha’ pricing which is 80% off the final price! If you are on the lookout for an editor, I would suggest using <a href="https://vim.org">Vim</a>, charity ware that actually works, and costs $100 lesser.</p> 45<p>Want to contribute to Onivim? Don’t. They make a profit out of your contributions. Currently, Onivim is priced at $19.99, ‘pre-alpha’ pricing which is 80% off the final price! If you are on the lookout for an editor, I would suggest using <a href="https://vim.org">Vim</a>, charity ware that actually works, and costs $100 lesser.</p>
65</body>
66</html>
67 46
68 </div> 47 </div>
69 48
70 <div class=intro> 49 <div class=intro>
71 Hi. <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a> 50 Hi.
51 <div class=hot-links>
52 <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a>
53 <a href=https://liberapay.com/nerdypepper/donate class=donate-button>Donate</a>
54 </div>
72 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p> 55 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p>
73 <p> 56 <p>
74 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer. 57 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer.
diff --git a/docs/posts/pixel_art_in_GIMP/index.html b/docs/posts/pixel_art_in_GIMP/index.html
index 7bd1eed..e6661b2 100644
--- a/docs/posts/pixel_art_in_GIMP/index.html
+++ b/docs/posts/pixel_art_in_GIMP/index.html
@@ -2,6 +2,7 @@
2<html lang="en"> 2<html lang="en">
3 <head> 3 <head>
4 <link rel="stylesheet" href="/style.css"> 4 <link rel="stylesheet" href="/style.css">
5 <link rel="stylesheet" href="/syntax.css">
5 <meta charset="UTF-8"> 6 <meta charset="UTF-8">
6 <meta name="viewport" content="initial-scale=1"> 7 <meta name="viewport" content="initial-scale=1">
7 <meta content="#ffffff" name="theme-color"> 8 <meta content="#ffffff" name="theme-color">
@@ -37,27 +38,7 @@
37 Pixel Art In GIMP 38 Pixel Art In GIMP
38 </h1> 39 </h1>
39 <div class="post-text"> 40 <div class="post-text">
40 <!DOCTYPE html> 41 <p>I’ve always been an admirer of pixel art, because of it’s simplicity and it’s resemblance to bitmap font design. Recently, I decided to take the dive and make some art of my own.</p>
41<html xmlns="http://www.w3.org/1999/xhtml" lang="" xml:lang="">
42<head>
43 <meta charset="utf-8" />
44 <meta name="generator" content="pandoc" />
45 <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes" />
46 <title>pixel_art_in_GIMP</title>
47 <style>
48 code{white-space: pre-wrap;}
49 span.smallcaps{font-variant: small-caps;}
50 span.underline{text-decoration: underline;}
51 div.column{display: inline-block; vertical-align: top; width: 50%;}
52 div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
53 ul.task-list{list-style: none;}
54 </style>
55 <!--[if lt IE 9]>
56 <script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv-printshiv.min.js"></script>
57 <![endif]-->
58</head>
59<body>
60<p>I’ve always been an admirer of pixel art, because of it’s simplicity and it’s resemblance to bitmap font design. Recently, I decided to take the dive and make some art of my own.</p>
61<p>I used GIMP because I am fairly familiar with it. Aseprite seems to be the editor of choice for animated pixel art though.</p> 42<p>I used GIMP because I am fairly familiar with it. Aseprite seems to be the editor of choice for animated pixel art though.</p>
62<h3 id="setting-up-the-canvas">Setting up the canvas</h3> 43<h3 id="setting-up-the-canvas">Setting up the canvas</h3>
63<p>Picking a canvas size is daunting. Too small, and you won’t be able to fit in enough detail to make a legible piece. Too big and you’ve got too many pixels to work with!</p> 44<p>Picking a canvas size is daunting. Too small, and you won’t be able to fit in enough detail to make a legible piece. Too big and you’ve got too many pixels to work with!</p>
@@ -106,13 +87,15 @@
106<p><img src="https://u.peppe.rs/cn.png" /></p> 87<p><img src="https://u.peppe.rs/cn.png" /></p>
107<p>Hold on, why is it so tiny? Well, that’s because our canvas was 100x100, head over to <code>Image &gt; Scale Image</code>, set <code>Quality &gt; Interpolation</code> to <code>None</code> and scale it up to 700x700, et voilà!</p> 88<p>Hold on, why is it so tiny? Well, that’s because our canvas was 100x100, head over to <code>Image &gt; Scale Image</code>, set <code>Quality &gt; Interpolation</code> to <code>None</code> and scale it up to 700x700, et voilà!</p>
108<p><img src="https://u.peppe.rs/CH.png" /></p> 89<p><img src="https://u.peppe.rs/CH.png" /></p>
109</body>
110</html>
111 90
112 </div> 91 </div>
113 92
114 <div class=intro> 93 <div class=intro>
115 Hi. <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a> 94 Hi.
95 <div class=hot-links>
96 <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a>
97 <a href=https://liberapay.com/nerdypepper/donate class=donate-button>Donate</a>
98 </div>
116 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p> 99 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p>
117 <p> 100 <p>
118 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer. 101 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer.
diff --git a/docs/posts/rapid_refactoring_with_vim/index.html b/docs/posts/rapid_refactoring_with_vim/index.html
index 36d06fc..c5bc188 100644
--- a/docs/posts/rapid_refactoring_with_vim/index.html
+++ b/docs/posts/rapid_refactoring_with_vim/index.html
@@ -2,6 +2,7 @@
2<html lang="en"> 2<html lang="en">
3 <head> 3 <head>
4 <link rel="stylesheet" href="/style.css"> 4 <link rel="stylesheet" href="/style.css">
5 <link rel="stylesheet" href="/syntax.css">
5 <meta charset="UTF-8"> 6 <meta charset="UTF-8">
6 <meta name="viewport" content="initial-scale=1"> 7 <meta name="viewport" content="initial-scale=1">
7 <meta content="#ffffff" name="theme-color"> 8 <meta content="#ffffff" name="theme-color">
@@ -37,71 +38,7 @@
37 Rapid Refactoring With Vim 38 Rapid Refactoring With Vim
38 </h1> 39 </h1>
39 <div class="post-text"> 40 <div class="post-text">
40 <!DOCTYPE html> 41 <p>Last weekend, I was tasked with refactoring the 96 unit tests on <a href="https://github.com/ruma/ruma-events/pull/70">ruma-events</a> to use strictly typed json objects using <code>serde_json::json!</code> instead of raw strings. It was rather painless thanks to vim :)</p>
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42<head>
43 <meta charset="utf-8" />
44 <meta name="generator" content="pandoc" />
45 <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes" />
46 <title>rapid_refactoring_with_vim</title>
47 <style>
48 code{white-space: pre-wrap;}
49 span.smallcaps{font-variant: small-caps;}
50 span.underline{text-decoration: underline;}
51 div.column{display: inline-block; vertical-align: top; width: 50%;}
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65 pre > code.sourceCode > span { text-indent: -5em; padding-left: 5em; }
66 }
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69 pre.numberSource code > span
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98 </style>
99 <!--[if lt IE 9]>
100 <script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv-printshiv.min.js"></script>
101 <![endif]-->
102</head>
103<body>
104<p>Last weekend, I was tasked with refactoring the 96 unit tests on <a href="https://github.com/ruma/ruma-events/pull/70">ruma-events</a> to use strictly typed json objects using <code>serde_json::json!</code> instead of raw strings. It was rather painless thanks to vim :)</p>
105<p>Here’s a small sample of what had to be done (note the lines prefixed with the arrow):</p> 42<p>Here’s a small sample of what had to be done (note the lines prefixed with the arrow):</p>
106<div class="sourceCode" id="cb1"><pre class="sourceCode rust"><code class="sourceCode rust"><span id="cb1-1"><a href="#cb1-1"></a>→ <span class="kw">use</span> <span class="pp">serde_json::</span><span class="op">{</span>from_str<span class="op">};</span></span> 43<div class="sourceCode" id="cb1"><pre class="sourceCode rust"><code class="sourceCode rust"><span id="cb1-1"><a href="#cb1-1"></a>→ <span class="kw">use</span> <span class="pp">serde_json::</span><span class="op">{</span>from_str<span class="op">};</span></span>
107<span id="cb1-2"><a href="#cb1-2"></a> </span> 44<span id="cb1-2"><a href="#cb1-2"></a> </span>
@@ -190,13 +127,15 @@ BUFFER: json!( ... );</code></pre>
190<li id="fn4" role="doc-endnote"><p><code>:help mark-motions</code><a href="#fnref4" class="footnote-back" role="doc-backlink">↩︎</a></p></li> 127<li id="fn4" role="doc-endnote"><p><code>:help mark-motions</code><a href="#fnref4" class="footnote-back" role="doc-backlink">↩︎</a></p></li>
191</ol> 128</ol>
192</section> 129</section>
193</body>
194</html>
195 130
196 </div> 131 </div>
197 132
198 <div class=intro> 133 <div class=intro>
199 Hi. <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a> 134 Hi.
135 <div class=hot-links>
136 <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a>
137 <a href=https://liberapay.com/nerdypepper/donate class=donate-button>Donate</a>
138 </div>
200 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p> 139 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p>
201 <p> 140 <p>
202 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer. 141 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer.
diff --git a/docs/posts/static_sites_with_bash/index.html b/docs/posts/static_sites_with_bash/index.html
index fff53dc..67eaf12 100644
--- a/docs/posts/static_sites_with_bash/index.html
+++ b/docs/posts/static_sites_with_bash/index.html
@@ -2,6 +2,7 @@
2<html lang="en"> 2<html lang="en">
3 <head> 3 <head>
4 <link rel="stylesheet" href="/style.css"> 4 <link rel="stylesheet" href="/style.css">
5 <link rel="stylesheet" href="/syntax.css">
5 <meta charset="UTF-8"> 6 <meta charset="UTF-8">
6 <meta name="viewport" content="initial-scale=1"> 7 <meta name="viewport" content="initial-scale=1">
7 <meta content="#ffffff" name="theme-color"> 8 <meta content="#ffffff" name="theme-color">
@@ -37,71 +38,7 @@
37 Static Sites With Bash 38 Static Sites With Bash
38 </h1> 39 </h1>
39 <div class="post-text"> 40 <div class="post-text">
40 <!DOCTYPE html> 41 <p>After going through a bunch of static site generators (<a href="https://blog.getpelican.com/">pelican</a>, <a href="https://gohugo.io">hugo</a>, <a href="https://github.com/icyphox/vite">vite</a>), I decided to roll my own. If you are more of the ‘show me the code’ kinda guy, <a href="https://github.com/nerdypepper/site">here</a> you go.</p>
41<html xmlns="http://www.w3.org/1999/xhtml" lang="" xml:lang="">
42<head>
43 <meta charset="utf-8" />
44 <meta name="generator" content="pandoc" />
45 <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes" />
46 <title>static_sites_with_bash</title>
47 <style>
48 code{white-space: pre-wrap;}
49 span.smallcaps{font-variant: small-caps;}
50 span.underline{text-decoration: underline;}
51 div.column{display: inline-block; vertical-align: top; width: 50%;}
52 div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
53 ul.task-list{list-style: none;}
54 pre > code.sourceCode { white-space: pre; position: relative; }
55 pre > code.sourceCode > span { display: inline-block; line-height: 1.25; }
56 pre > code.sourceCode > span:empty { height: 1.2em; }
57 code.sourceCode > span { color: inherit; text-decoration: inherit; }
58 div.sourceCode { margin: 1em 0; }
59 pre.sourceCode { margin: 0; }
60 @media screen {
61 div.sourceCode { overflow: auto; }
62 }
63 @media print {
64 pre > code.sourceCode { white-space: pre-wrap; }
65 pre > code.sourceCode > span { text-indent: -5em; padding-left: 5em; }
66 }
67 pre.numberSource code
68 { counter-reset: source-line 0; }
69 pre.numberSource code > span
70 { position: relative; left: -4em; counter-increment: source-line; }
71 pre.numberSource code > span > a:first-child::before
72 { content: counter(source-line);
73 position: relative; left: -1em; text-align: right; vertical-align: baseline;
74 border: none; display: inline-block;
75 -webkit-touch-callout: none; -webkit-user-select: none;
76 -khtml-user-select: none; -moz-user-select: none;
77 -ms-user-select: none; user-select: none;
78 padding: 0 4px; width: 4em;
79 }
80 pre.numberSource { margin-left: 3em; padding-left: 4px; }
81 div.sourceCode
82 { }
83 @media screen {
84 pre > code.sourceCode > span > a:first-child::before { text-decoration: underline; }
85 }
86 code span.al { font-weight: bold; } /* Alert */
87 code span.an { font-style: italic; } /* Annotation */
88 code span.cf { font-weight: bold; } /* ControlFlow */
89 code span.co { font-style: italic; } /* Comment */
90 code span.cv { font-style: italic; } /* CommentVar */
91 code span.do { font-style: italic; } /* Documentation */
92 code span.dt { text-decoration: underline; } /* DataType */
93 code span.er { font-weight: bold; } /* Error */
94 code span.in { font-style: italic; } /* Information */
95 code span.kw { font-weight: bold; } /* Keyword */
96 code span.pp { font-weight: bold; } /* Preprocessor */
97 code span.wa { font-style: italic; } /* Warning */
98 </style>
99 <!--[if lt IE 9]>
100 <script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv-printshiv.min.js"></script>
101 <![endif]-->
102</head>
103<body>
104<p>After going through a bunch of static site generators (<a href="https://blog.getpelican.com/">pelican</a>, <a href="https://gohugo.io">hugo</a>, <a href="https://github.com/icyphox/vite">vite</a>), I decided to roll my own. If you are more of the ‘show me the code’ kinda guy, <a href="https://github.com/nerdypepper/site">here</a> you go.</p>
105<h3 id="text-formatting">Text formatting</h3> 42<h3 id="text-formatting">Text formatting</h3>
106<p>I chose to write in markdown, and convert to html with <a href="https://kristaps.bsd.lv/lowdown/">lowdown</a>.</p> 43<p>I chose to write in markdown, and convert to html with <a href="https://kristaps.bsd.lv/lowdown/">lowdown</a>.</p>
107<h3 id="directory-structure">Directory structure</h3> 44<h3 id="directory-structure">Directory structure</h3>
@@ -128,13 +65,15 @@
128<span id="cb2-10"><a href="#cb2-10"></a><span class="bu">echo</span> <span class="st">&quot;https://u.peppe.rs/</span><span class="va">$id</span><span class="st">&quot;</span></span></code></pre></div> 65<span id="cb2-10"><a href="#cb2-10"></a><span class="bu">echo</span> <span class="st">&quot;https://u.peppe.rs/</span><span class="va">$id</span><span class="st">&quot;</span></span></code></pre></div>
129<h3 id="templating">Templating</h3> 66<h3 id="templating">Templating</h3>
130<p><a href="https://github.com/NerdyPepper/site/blob/master/generate.sh"><code>generate.sh</code></a> brings the above bits and pieces together (with some extra cruft to avoid javascript). It uses <code>sed</code> to produce nice titles from the file names (removes underscores, title-case), and <code>date(1)</code> to add the date to each post listing!</p> 67<p><a href="https://github.com/NerdyPepper/site/blob/master/generate.sh"><code>generate.sh</code></a> brings the above bits and pieces together (with some extra cruft to avoid javascript). It uses <code>sed</code> to produce nice titles from the file names (removes underscores, title-case), and <code>date(1)</code> to add the date to each post listing!</p>
131</body>
132</html>
133 68
134 </div> 69 </div>
135 70
136 <div class=intro> 71 <div class=intro>
137 Hi. <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a> 72 Hi.
73 <div class=hot-links>
74 <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a>
75 <a href=https://liberapay.com/nerdypepper/donate class=donate-button>Donate</a>
76 </div>
138 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p> 77 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p>
139 <p> 78 <p>
140 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer. 79 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer.
diff --git a/docs/posts/termux_tandem/index.html b/docs/posts/termux_tandem/index.html
index a2aba29..b4818cf 100644
--- a/docs/posts/termux_tandem/index.html
+++ b/docs/posts/termux_tandem/index.html
@@ -2,6 +2,7 @@
2<html lang="en"> 2<html lang="en">
3 <head> 3 <head>
4 <link rel="stylesheet" href="/style.css"> 4 <link rel="stylesheet" href="/style.css">
5 <link rel="stylesheet" href="/syntax.css">
5 <meta charset="UTF-8"> 6 <meta charset="UTF-8">
6 <meta name="viewport" content="initial-scale=1"> 7 <meta name="viewport" content="initial-scale=1">
7 <meta content="#ffffff" name="theme-color"> 8 <meta content="#ffffff" name="theme-color">
@@ -37,27 +38,7 @@
37 Termux Tandem 38 Termux Tandem
38 </h1> 39 </h1>
39 <div class="post-text"> 40 <div class="post-text">
40 <!DOCTYPE html> 41 <p>I learnt about <code>termux</code> from a friend on IRC recently. It looked super gimmicky to me at first, but it eventually proved to be useful. Here’s what I use it for:</p>
41<html xmlns="http://www.w3.org/1999/xhtml" lang="" xml:lang="">
42<head>
43 <meta charset="utf-8" />
44 <meta name="generator" content="pandoc" />
45 <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes" />
46 <title>termux_tandem</title>
47 <style>
48 code{white-space: pre-wrap;}
49 span.smallcaps{font-variant: small-caps;}
50 span.underline{text-decoration: underline;}
51 div.column{display: inline-block; vertical-align: top; width: 50%;}
52 div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
53 ul.task-list{list-style: none;}
54 </style>
55 <!--[if lt IE 9]>
56 <script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv-printshiv.min.js"></script>
57 <![endif]-->
58</head>
59<body>
60<p>I learnt about <code>termux</code> from a friend on IRC recently. It looked super gimmicky to me at first, but it eventually proved to be useful. Here’s what I use it for:</p>
61<h3 id="rsync">rsync</h3> 42<h3 id="rsync">rsync</h3>
62<p>Ever since I degoogled my android device, syncing files between my phone and my PC has always been a pain. I’m looking at you MTP. But, with <code>termux</code> and <code>sshd</code> all set up, it’s as simple as:</p> 43<p>Ever since I degoogled my android device, syncing files between my phone and my PC has always been a pain. I’m looking at you MTP. But, with <code>termux</code> and <code>sshd</code> all set up, it’s as simple as:</p>
63<pre><code>$ arp 44<pre><code>$ arp
@@ -75,13 +56,15 @@ mtZabXG.jpg p8d5c584f2841.jpg vjUxGjq.jpg</code></pre>
75<h3 id="cmus">cmus</h3> 56<h3 id="cmus">cmus</h3>
76<p>Alright, I don’t really listen to music via <code>cmus</code>, but I did use it a couple times when my default music player was acting up. <code>cmus</code> is a viable option:</p> 57<p>Alright, I don’t really listen to music via <code>cmus</code>, but I did use it a couple times when my default music player was acting up. <code>cmus</code> is a viable option:</p>
77<p><a href="https://u.peppe.rs/CP.jpg"><img src="https://u.peppe.rs/CP.jpg" /></a></p> 58<p><a href="https://u.peppe.rs/CP.jpg"><img src="https://u.peppe.rs/CP.jpg" /></a></p>
78</body>
79</html>
80 59
81 </div> 60 </div>
82 61
83 <div class=intro> 62 <div class=intro>
84 Hi. <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a> 63 Hi.
64 <div class=hot-links>
65 <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a>
66 <a href=https://liberapay.com/nerdypepper/donate class=donate-button>Donate</a>
67 </div>
85 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p> 68 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p>
86 <p> 69 <p>
87 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer. 70 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer.
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-24 17:35:27 +0000