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index.xml
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<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
<channel>
<title>Jane —— 一个简洁的 Hugo 主题</title>
<link>https://wsjcko.github.io/</link>
<description>Recent content on Jane —— 一个简洁的 Hugo 主题</description>
<generator>Hugo -- gohugo.io</generator>
<lastBuildDate>Sat, 18 Jul 2020 23:23:49 +0800</lastBuildDate>
<atom:link href="https://wsjcko.github.io/index.xml" rel="self" type="application/rss+xml" />
<item>
<title>Hugo_cmd</title>
<link>https://wsjcko.github.io/post/hugo_cmd/</link>
<pubDate>Sat, 18 Jul 2020 21:14:37 +0800</pubDate>
<guid>https://wsjcko.github.io/post/hugo_cmd/</guid>
<description><div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre class="chroma"><code><span class="lnt">1
</span></code></pre></td>
<td class="lntd">
<pre class="chroma"><code class="language-fallback" data-lang="fallback">##
</code></pre></td></tr></table>
</div>
</div><hr>
<h2 id="hugo-环境">hugo 环境</h2>
<h2 id="hugo-环境-1">hugo 环境</h2>
<ul>
<li>本人用的deepin系统</li>
<li>cd /usr/local/src</li>
<li>sudo wget <a href="https://studygolang.com/dl/golang/go1.14.4.linux-amd64.tar.gz">https://studygolang.com/dl/golang/go1.14.4.linux-amd64.tar.gz</a></li>
<li>sudo tar -zxvf go1.14.4.linux-amd64.tar.gz # 解压是go目录</li>
<li>如果已经安装了go 请把 /usr/local/bin(通常我们常用的go插件都在这个目录) 备份一下 然后用新版本go目录 覆盖/usr/local/go</li>
<li>sudo mv go /usr/local/</li>
<li></li>
</ul></description>
</item>
<item>
<title>hugo theme jan 搭建Blog</title>
<link>https://wsjcko.github.io/post/first/</link>
<pubDate>Sat, 18 Jul 2020 20:51:41 +0800</pubDate>
<guid>https://wsjcko.github.io/post/first/</guid>
<description><p>新博客,新气象,Good Luck!</p>
<p>我很坚强,我是一个勇敢的男人.</p>
<p>I am strong, I am a brave man.</p></description>
</item>
<item>
<title>Jane 主题预览</title>
<link>https://wsjcko.github.io/post/jane-theme-preview/</link>
<pubDate>Tue, 06 Mar 2018 16:01:23 +0800</pubDate>
<guid>https://wsjcko.github.io/post/jane-theme-preview/</guid>
<description><p>主题预览,内容有待填充。</p>
</description>
</item>
<item>
<title>About</title>
<link>https://wsjcko.github.io/about/</link>
<pubDate>Thu, 25 Jun 2020 17:01:05 +0800</pubDate>
<guid>https://wsjcko.github.io/about/</guid>
<description><h3 id="hello-hugo">Hello Hugo</h3>
<ol>
<li>aaa</li>
<li>bbb</li>
<li>ccc</li>
</ol>
</description>
</item>
<item>
<title>README ZH</title>
<link>https://wsjcko.github.io/post/readme-zh/</link>
<pubDate>Sat, 18 Jul 2020 23:23:49 +0800</pubDate>
<guid>https://wsjcko.github.io/post/readme-zh/</guid>
<description><h2 id="network-images">network images</h2>
<p><img src="http://img.netbian.com/file/2017/0326/64aab4ae3e632dbcbf9223995c654317.jpg" alt="你的名字"></p>
<h2 id="localhost-images">localhost images</h2>
<p><img src="https://wsjcko.github.io/image/reward/wechat-qr-code.png" alt="微信"></p>
<!-- raw HTML omitted -->
<h2 id="hugo-theme-jane">hugo-theme-jane</h2>
<p>Jane 是一个专注于阅读体验的 Hugo 主题。最早的版本基于 <a href="https://github.com/olOwOlo/hugo-theme-even">hugo-theme-even</a> ,在它的基础上进行了重新改造。</p>
<p><a href="http://en.xianmin.org/hugo-theme-jane/">Demo</a> | <a href="http://www.xianmin.org">我的博客</a></p>
<p><strong>主要特色:</strong></p>
<ul>
<li>响应式设计</li>
<li>多国语言支持</li>
<li>支持多个 Shortcode</li>
<li>单独设计的 <em>标签页</em> 和 <em>分类页</em></li>
<li>社交网站链接</li>
<li>更好的分页、目录、注脚样式</li>
<li>使用更快的 Chroma 代码高亮</li>
<li>自定义 css,自定义 js,自定义 head</li>
<li>子目录支持</li>
<li>搜索优化</li>
</ul>
<h2 id="谁在用-hugo-theme-jane">谁在用 Hugo-theme-Jane</h2>
<ul>
<li><a href="https://www.gooth.org/">ATFeng</a> - A beautiful blog fork from Jane.</li>
<li><a href="https://www.baty.net/">Jack Baty&rsquo;s Blog</a> - Thousands of posts on the site powered by Hugo &amp; Theme Jane.</li>
<li><a href="https://terrty.net">Notes on Blue Skies</a> - Personal blog in Russian by @paskal</li>
<li><a href="http://www.xianmin.org/">贤民的比特记忆</a> - A Chinese blog.</li>
<li><a href="https://yushuangqi.com/">虞双齐爱折腾</a> - @ysqi 个人技术博客.</li>
<li><a href="https://maiyang.me/">茶歇驿站</a> - Go 爱好者,开源爱好者,Go 夜读发起人 @yangwenmai.</li>
<li><a href="https://ifttl.com/">Time</a> - 个人博客</li>
<li><a href="https://h-cheung.gitlab.io/">碎裂之梦</a> - 计院学生,开源爱好者,ACM新手</li>
<li>Waiting to add more&hellip;</li>
</ul>
<h2 id="如何使用">如何使用?</h2>
<p><strong>注意:</strong> 这个教程假设你 <strong>第一次</strong> 使用 <a href="https://gohugo.io/">Hugo</a> 。 <a href="https://gohugo.io/">Hugo</a> 是一个非常流行的静态网站生成工具。 你可查看官方文档 <a href="https://gohugo.io/getting-started/">Hugo Official Docs</a> 获取更多帮助。</p>
<h3 id="1-快速安装-hugo">1. 快速安装 Hugo</h3>
<p>从 <a href="https://github.com/gohugoio/hugo/releases">Hugo Releases</a> 上直接下载安装适合你的版本。</p>
<h3 id="2-快速创建网站">2. 快速创建网站</h3>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre class="chroma"><code><span class="lnt">1
</span></code></pre></td>
<td class="lntd">
<pre class="chroma"><code class="language-bash" data-lang="bash">hugo new site myBlog
</code></pre></td></tr></table>
</div>
</div><p>上面的命令将会在一个名为 <code>myBlog</code> 的文件夹中创建一个新的 hugo 站点。</p>
<h3 id="3-快速使用-hugo-theme-jane">3. 快速使用 Hugo-Theme-Jane</h3>
<p>把这个主题克隆到 <code>themes</code> 文件夹</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre class="chroma"><code><span class="lnt">1
</span><span class="lnt">2
</span></code></pre></td>
<td class="lntd">
<pre class="chroma"><code class="language-bash" data-lang="bash"><span class="nb">cd</span> myBlog
git clone https://github.com/xianmin/hugo-theme-jane.git --depth<span class="o">=</span><span class="m">1</span> themes/jane
</code></pre></td></tr></table>
</div>
</div><p>复制一些示例文本:</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre class="chroma"><code><span class="lnt">1
</span></code></pre></td>
<td class="lntd">
<pre class="chroma"><code class="language-bash" data-lang="bash">cp -r themes/jane/exampleSite/content ./
</code></pre></td></tr></table>
</div>
</div><p>复制默认的站点设置:</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre class="chroma"><code><span class="lnt">1
</span></code></pre></td>
<td class="lntd">
<pre class="chroma"><code class="language-bash" data-lang="bash">cp themes/jane/exampleSite/config.toml ./
</code></pre></td></tr></table>
</div>
</div><p>启动 hugo server :</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre class="chroma"><code><span class="lnt">1
</span><span class="lnt">2
</span><span class="lnt">3
</span></code></pre></td>
<td class="lntd">
<pre class="chroma"><code class="language-bash" data-lang="bash">hugo server
或
hugo server -p <span class="m">5000</span> <span class="c1"># 指定端口 5000</span>
</code></pre></td></tr></table>
</div>
</div><p>打开 http://localhost:1313/ ,你将会看到一个示例网站。</p>
<h3 id="4-开始你的博客">4. 开始你的博客</h3>
<p>默认配置文件 <code>config.toml</code> 位于你的网站的根目录,请按自身需要进行定制。</p>
<p>默认的文章文件位于 <code>./content/post</code> 目录。</p>
<h3 id="5-生成你的网站">5. 生成你的网站</h3>
<p>直接运行 <code>hugo</code> ,将会自动生成你的网站到 <code>public/</code> 目录。</p>
<p>如果你有额外的时间,并且想更多的了解 <a href="https://gohugo.io/">Hugo</a> ,请查阅官方文档 <a href="https://gohugo.io/getting-started/">Hugo Official Docs</a> 。</p>
<h2 id="站点设置">站点设置</h2>
<p>不妨看一看 <a href="https://github.com/xianmin/hugo-theme-jane/tree/master/exampleSite">exampleSite</a> 文件夹中的文件。</p>
<p>这个目录包含一个示例 <code>config.toml</code> 文件和一些示例文章。</p>
<p>将 <code>config.toml</code> 复制到你的网站根目录。按自身需要进行修改。</p>
<h2 id="单篇文章的设置">单篇文章的设置</h2>
<p><strong>Front Matter</strong> : Hugo 允许你使用 yaml, toml 或者 json 语法在你每一篇文章的开头进行设置。</p>
<p><strong>YAML 示例:</strong></p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre class="chroma"><code><span class="lnt"> 1
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</span></code></pre></td>
<td class="lntd">
<pre class="chroma"><code class="language-yaml" data-lang="yaml">---<span class="w">
</span><span class="w"></span><span class="c"># 常用定义</span><span class="w">
</span><span class="w"></span><span class="k">title</span><span class="p">:</span><span class="w"> </span><span class="s2">&#34;An Example Post&#34;</span><span class="w"> </span><span class="c"># 标题</span><span class="w">
</span><span class="w"></span><span class="k">date</span><span class="p">:</span><span class="w"> </span><span class="ld">2018-01-01T16:01:23</span><span class="m">+08</span><span class="p">:</span><span class="m">00</span><span class="w"> </span><span class="c"># 创建时间</span><span class="w">
</span><span class="w"></span><span class="k">lastmod</span><span class="p">:</span><span class="w"> </span><span class="ld">2018-01-02T16:01:23</span><span class="m">+08</span><span class="p">:</span><span class="m">00</span><span class="w"> </span><span class="c"># 最后修改时间</span><span class="w">
</span><span class="w"></span><span class="k">draft</span><span class="p">:</span><span class="w"> </span><span class="kc">false</span><span class="w"> </span><span class="c"># 是否是草稿?</span><span class="w">
</span><span class="w"></span><span class="k">tags</span><span class="p">:</span><span class="w"> </span><span class="p">[</span><span class="s2">&#34;tag-1&#34;</span><span class="p">,</span><span class="w"> </span><span class="s2">&#34;tag-2&#34;</span><span class="p">,</span><span class="w"> </span><span class="s2">&#34;tag-3&#34;</span><span class="p">]</span><span class="w"> </span><span class="c"># 标签</span><span class="w">
</span><span class="w"></span><span class="k">categories</span><span class="p">:</span><span class="w"> </span><span class="p">[</span><span class="s2">&#34;index&#34;</span><span class="p">]</span><span class="w"> </span><span class="c"># 分类</span><span class="w">
</span><span class="w"></span><span class="k">author</span><span class="p">:</span><span class="w"> </span><span class="s2">&#34;xianmin&#34;</span><span class="w"> </span><span class="c"># 作者</span><span class="w">
</span><span class="w">
</span><span class="w"></span><span class="c"># 用户自定义</span><span class="w">
</span><span class="w"></span><span class="c"># 你可以选择 关闭(false) 或者 打开(true) 以下选项</span><span class="w">
</span><span class="w"></span><span class="k">comment</span><span class="p">:</span><span class="w"> </span><span class="kc">false</span><span class="w"> </span><span class="c"># 关闭评论</span><span class="w">
</span><span class="w"></span><span class="k">toc</span><span class="p">:</span><span class="w"> </span><span class="kc">false</span><span class="w"> </span><span class="c"># 关闭文章目录</span><span class="w">
</span><span class="w"></span><span class="c"># 你同样可以自定义文章的版权规则</span><span class="w">
</span><span class="w"></span><span class="k">contentCopyright</span><span class="p">:</span><span class="w"> </span><span class="s1">&#39;&lt;a rel=&#34;license noopener&#34; href=&#34;https://creativecommons.org/licenses/by-nc-nd/4.0/&#34; target=&#34;_blank&#34;&gt;CC BY-NC-ND 4.0&lt;/a&gt;&#39;</span><span class="w">
</span><span class="w"></span><span class="k">reward</span><span class="p">:</span><span class="w"> </span><span class="kc">false</span><span class="w"> </span><span class="c"># 关闭打赏</span><span class="w">
</span><span class="w"></span><span class="k">mathjax</span><span class="p">:</span><span class="w"> </span><span class="kc">true</span><span class="w"> </span><span class="c"># 打开 mathjax</span><span class="w">
</span><span class="w"></span>---<span class="w">
</span></code></pre></td></tr></table>
</div>
</div><h2 id="多语言支持">多语言支持</h2>
<p>Hugo-Theme-Jane 支持创建多语言网站。</p>
<p>你需要为你的网站对 <code>languages</code> 进行配置。</p>
<p>翻译位于 <code>i18n/</code> 文件夹下。</p>
<p>使用特定的翻译:</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre class="chroma"><code><span class="lnt"> 1
</span><span class="lnt"> 2
</span><span class="lnt"> 3
</span><span class="lnt"> 4
</span><span class="lnt"> 5
</span><span class="lnt"> 6
</span><span class="lnt"> 7
</span><span class="lnt"> 8
</span><span class="lnt"> 9
</span><span class="lnt">10
</span><span class="lnt">11
</span><span class="lnt">12
</span><span class="lnt">13
</span><span class="lnt">14
</span></code></pre></td>
<td class="lntd">
<pre class="chroma"><code class="language-toml" data-lang="toml"><span class="c"># 使用中文</span>
<span class="nx">defaultContentLanguage</span> <span class="p">=</span> <span class="s2">&#34;zh-cn&#34;</span> <span class="c"># 默认使用的语言</span>
<span class="p">[</span><span class="nx">Languages</span><span class="p">.</span><span class="nx">zh</span><span class="err">-</span><span class="nx">cn</span><span class="p">]</span>
<span class="nx">languageCode</span> <span class="p">=</span> <span class="s2">&#34;zh-cn&#34;</span>
<span class="nx">languageCode</span> <span class="p">=</span> <span class="s2">&#34;zh-cn&#34;</span>
<span class="nx">title</span> <span class="p">=</span> <span class="s2">&#34;wsjcko&#34;</span>
<span class="nx">languageName</span> <span class="p">=</span> <span class="s2">&#34;中文&#34;</span>
<span class="p">[</span><span class="nx">languages</span><span class="p">.</span><span class="nx">en</span><span class="p">]</span>
<span class="nx">languageCode</span> <span class="p">=</span> <span class="s2">&#34;en&#34;</span>
<span class="nx">title</span> <span class="p">=</span> <span class="s2">&#34;wsjcko&#34;</span>
<span class="nx">languageName</span> <span class="p">=</span> <span class="s2">&#34;English&#34;</span>
<span class="nx">weight</span> <span class="p">=</span> <span class="mi">1</span>
<span class="p">[</span><span class="nx">languages</span><span class="p">.</span><span class="nx">en</span><span class="p">.</span><span class="nx">params</span><span class="p">]</span>
<span class="nx">linkedin</span> <span class="p">=</span> <span class="s2">&#34;https://linkedin.com/whoever&#34;</span>
</code></pre></td></tr></table>
</div>
</div><p>有关多语言设置,请查看 <a href="https://gohugo.io/content-management/multilingual/">Multilingual Mode | Hugo</a> 。</p>
<h2 id="怎样开发">怎样开发?</h2>
<p>使用 <code>npm</code> 安装依赖:</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre class="chroma"><code><span class="lnt">1
</span></code></pre></td>
<td class="lntd">
<pre class="chroma"><code class="language-bash" data-lang="bash">npm install
</code></pre></td></tr></table>
</div>
</div><p>然后:</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre class="chroma"><code><span class="lnt">1
</span></code></pre></td>
<td class="lntd">
<pre class="chroma"><code class="language-bash" data-lang="bash">npm run dev
</code></pre></td></tr></table>
</div>
</div><p>这条命令会同时运行 <code>webpack --watch</code> 和 <code>hugo server</code> 。 如果你修改了任何文件,浏览器将会自动更新。</p>
<h2 id="license">License</h2>
<p>Hugo-theme-jane is licensed under the MIT license. Check the <a href="LICENSE.md">LICENSE</a> file for details.</p>
<h1 id="stackbit">Stackbit</h1>
<p>This theme is ready to import into Stackbit. This theme can be deployed to Netlify and you can connect any headless CMS including Forestry, NetlifyCMS, DatoCMS or Contentful.</p>
<p><a href="https://app.stackbit.com/create?theme=https://github.com/xianmin/hugo-theme-jane"><img src="https://assets.stackbit.com/badge/create-with-stackbit.svg" alt="Create with Stackbit"></a></p></description>
</item>
<item>
<title>Math Preview</title>
<link>https://wsjcko.github.io/post/math-preview/</link>
<pubDate>Mon, 04 Mar 2019 16:01:23 +0800</pubDate>
<guid>https://wsjcko.github.io/post/math-preview/</guid>
<description><p><a href="https://www.intmath.com/cg5/katex-mathjax-comparison.php">KaTeX and MathJax Comparison Demo, currently processed as KaTex</a></p>
<h2 id="repeating-fractions">Repeating fractions</h2>
<p><span class="math">\[
\frac{1}{\Bigl(\sqrt{\phi \sqrt{5}}-\phi\Bigr) e^{\frac25 \pi}} \equiv 1+\frac{e^{-2\pi}} {1+\frac{e^{-4\pi}} {1+\frac{e^{-6\pi}} {1+\frac{e^{-8\pi}} {1+\cdots} } } }
\]</span></p>
<h2 id="summation-notation">Summation notation</h2>
<p><span class="math">\[
\left( \sum_{k=1}^n a_k b_k \right)^2 \leq \left( \sum_{k=1}^n a_k^2 \right) \left( \sum_{k=1}^n b_k^2 \right)
\]</span></p>
<h2 id="sum-of-a-series">Sum of a Series</h2>
<p>I broke up the next two examples into separate lines so it behaves better on a mobile phone. That's why they include \displaystyle.</p>
<p><span class="math">\[
\displaystyle\sum_{i=1}^{k+1}i
\]</span></p>
<p><span class="math">\[
\displaystyle= \left(\sum_{i=1}^{k}i\right) +(k+1)
\]</span></p>
<p><span class="math">\[
\displaystyle= \frac{k(k+1)}{2}+k+1
\]</span></p>
<p><span class="math">\[
\displaystyle= \frac{k(k+1)+2(k+1)}{2}
\]</span></p>
<p><span class="math">\[
\displaystyle= \frac{(k+1)(k+2)}{2}
\]</span></p>
<p><span class="math">\[
\displaystyle= \frac{(k+1)((k+1)+1)}{2}
\]</span></p>
<h2 id="product-notation">Product notation</h2>
<p><span class="math">\[
\displaystyle 1 + \frac{q^2}{(1-q)}+\frac{q^6}{(1-q)(1-q^2)}+\cdots = \displaystyle \prod_{j=0}^{\infty}\frac{1}{(1-q^{5j+2})(1-q^{5j+3})}, \displaystyle\text{ for }\lvert q\rvert < 1.
\]</span></p>
<h2 id="inline-math">Inline math</h2>
<p>And here is some in-line math: <span class="math">\( k_{n+1} = n^2 + k_n^2 - k_{n-1} \)</span> , followed by some more text.</p>
<h2 id="greek-letters">Greek Letters</h2>
<p><span class="math">\[
\Gamma\ \Delta\ \Theta\ \Lambda\ \Xi\ \Pi\ \Sigma\ \Upsilon\ \Phi\ \Psi\ \Omega
\alpha\ \beta\ \gamma\ \delta\ \epsilon\ \zeta\ \eta\ \theta\ \iota\ \kappa\ \lambda\ \mu\ \nu\ \xi \ \omicron\ \pi\ \rho\ \sigma\ \tau\ \upsilon\ \phi\ \chi\ \psi\ \omega\ \varepsilon\ \vartheta\ \varpi\ \varrho\ \varsigma\ \varphi
\]</span></p>
<h2 id="arrows">Arrows</h2>
<p><span class="math">\[
\gets\ \to\ \leftarrow\ \rightarrow\ \uparrow\ \Uparrow\ \downarrow\ \Downarrow\ \updownarrow\ \Updownarrow
\]</span></p>
<p><span class="math">\[
\Leftarrow\ \Rightarrow\ \leftrightarrow\ \Leftrightarrow\ \mapsto\ \hookleftarrow
\leftharpoonup\ \leftharpoondown\ \rightleftharpoons\ \longleftarrow\ \Longleftarrow\ \longrightarrow
\]</span></p>
<p><span class="math">\[
\Longrightarrow\ \longleftrightarrow\ \Longleftrightarrow\ \longmapsto\ \hookrightarrow\ \rightharpoonup
\]</span></p>
<p><span class="math">\[
\rightharpoondown\ \leadsto\ \nearrow\ \searrow\ \swarrow\ \nwarrow
\]</span></p>
<h2 id="symbols">Symbols</h2>
<p><span class="math">\[
\surd\ \barwedge\ \veebar\ \odot\ \oplus\ \otimes\ \oslash\ \circledcirc\ \boxdot\ \bigtriangleup
\]</span></p>
<p><span class="math">\[
\bigtriangledown\ \dagger\ \diamond\ \star\ \triangleleft\ \triangleright\ \angle\ \infty\ \prime\ \triangle
\]</span></p>
<h2 id="calculus">Calculus</h2>
<p><span class="math">\[
\int u \frac{dv}{dx}\,dx=uv-\int \frac{du}{dx}v\,dx
\]</span></p>
<p><span class="math">\[
f(x) = \int_{-\infty}^\infty \hat f(\xi)\,e^{2 \pi i \xi x}
\]</span></p>
<p><span class="math">\[
\oint \vec{F} \cdot d\vec{s}=0
\]</span></p>
<h2 id="lorenz-equations">Lorenz Equations</h2>
<p><span class="math">\[
\begin{aligned} \dot{x} & = \sigma(y-x) \\ \dot{y} & = \rho x - y - xz \\ \dot{z} & = -\beta z + xy \end{aligned}
\]</span></p>
<h2 id="cross-product">Cross Product</h2>
<p>This works in KaTeX, but the separation of fractions in this environment is not so good.</p>
<p><span class="math">\[
\mathbf{V}_1 \times \mathbf{V}_2 = \begin{vmatrix} \mathbf{i} & \mathbf{j} & \mathbf{k} \\ \frac{\partial X}{\partial u} & \frac{\partial Y}{\partial u} & 0 \\ \frac{\partial X}{\partial v} & \frac{\partial Y}{\partial v} & 0 \end{vmatrix}
\]</span></p>
<p>Here's a workaround: make the fractions smaller with an extra class that targets the spans with &quot;mfrac&quot; class (makes no difference in the MathJax case):</p>
<p><span class="math">\[
\mathbf{V}_1 \times \mathbf{V}_2 = \begin{vmatrix} \mathbf{i} & \mathbf{j} & \mathbf{k} \\ \frac{\partial X}{\partial u} & \frac{\partial Y}{\partial u} & 0 \\ \frac{\partial X}{\partial v} & \frac{\partial Y}{\partial v} & 0 \end{vmatrix}
\]</span></p>
<h2 id="accents">Accents</h2>
<p><span class="math">\[
\hat{x}\ \vec{x}\ \ddot{x}
\]</span></p>
<h2 id="stretchy-brackets">Stretchy brackets</h2>
<p><span class="math">\[
\left(\frac{x^2}{y^3}\right)
\]</span></p>
<h2 id="evaluation-at-limits">Evaluation at limits</h2>
<p><span class="math">\[
\left.\frac{x^3}{3}\right|_0^1
\]</span></p>
<h2 id="case-definitions">Case definitions</h2>
<p><span class="math">\[
f(n) = \begin{cases} \frac{n}{2}, & \text{if } n\text{ is even} \\ 3n+1, & \text{if } n\text{ is odd} \end{cases}
\]</span></p>
<h2 id="maxwells-equations">Maxwell's Equations</h2>
<p><span class="math">\[
\begin{aligned} \nabla \times \vec{\mathbf{B}} -\, \frac1c\, \frac{\partial\vec{\mathbf{E}}}{\partial t} & = \frac{4\pi}{c}\vec{\mathbf{j}} \\ \nabla \cdot \vec{\mathbf{E}} & = 4 \pi \rho \\ \nabla \times \vec{\mathbf{E}}\, +\, \frac1c\, \frac{\partial\vec{\mathbf{B}}}{\partial t} & = \vec{\mathbf{0}} \\ \nabla \cdot \vec{\mathbf{B}} & = 0 \end{aligned}
\]</span></p>
<p>These equations are quite cramped. We can add vertical spacing using (for example) [1em] after each line break (\). as you can see here:</p>
<p><span class="math">\[
\begin{aligned} \nabla \times \vec{\mathbf{B}} -\, \frac1c\, \frac{\partial\vec{\mathbf{E}}}{\partial t} & = \frac{4\pi}{c}\vec{\mathbf{j}} \\[1em] \nabla \cdot \vec{\mathbf{E}} & = 4 \pi \rho \\[0.5em] \nabla \times \vec{\mathbf{E}}\, +\, \frac1c\, \frac{\partial\vec{\mathbf{B}}}{\partial t} & = \vec{\mathbf{0}} \\[1em] \nabla \cdot \vec{\mathbf{B}} & = 0 \end{aligned}
\]</span></p>
<h2 id="statistics">Statistics</h2>
<p>Definition of combination:</p>
<p><span class="math">\[
\frac{n!}{k!(n-k)!} = {^n}C_k
{n \choose k}
\]</span></p>
<h2 id="fractions-on-fractions">Fractions on fractions</h2>
<p><span class="math">\[
\frac{\frac{1}{x}+\frac{1}{y}}{y-z}
\]</span></p>
<h2 id="nth-root">n-th root</h2>
<p><span class="math">\[
\sqrt[n]{1+x+x^2+x^3+\ldots}
\]</span></p>
<h2 id="matrices">Matrices</h2>
<p><span class="math">\[
\begin{pmatrix} a_{11} & a_{12} & a_{13}\\ a_{21} & a_{22} & a_{23}\\ a_{31} & a_{32} & a_{33} \end{pmatrix}
\begin{bmatrix} 0 & \cdots & 0 \\ \vdots & \ddots & \vdots \\ 0 & \cdots & 0 \end{bmatrix}
\]</span></p>
<h2 id="punctuation">Punctuation</h2>
<p><span class="math">\[
f(x) = \sqrt{1+x} \quad (x \ge -1)
f(x) \sim x^2 \quad (x\to\infty)
\]</span></p>
<p>Now with punctuation:</p>
<p><span class="math">\[
f(x) = \sqrt{1+x}, \quad x \ge -1
f(x) \sim x^2, \quad x\to\infty
\]</span></p></description>
</item>
<item>
<title>Shortcodes Preview</title>
<link>https://wsjcko.github.io/post/shortcodes-preview/</link>
<pubDate>Sun, 04 Mar 2018 16:01:23 +0800</pubDate>
<guid>https://wsjcko.github.io/post/shortcodes-preview/</guid>
<description><h2 id="what-a-shortcode-is">What a Shortcode is</h2>
<p>Hugo loves Markdown because of its simple content format, but there are times when Markdown falls short. Often, content authors are forced to add raw HTML (e.g., video <code>&lt;iframes&gt;</code>) to Markdown content. We think this contradicts the beautiful simplicity of Markdown&rsquo;s syntax.</p>
<p>Hugo created <strong>shortcodes</strong> to circumvent these limitations.</p>
<p>A shortcode is a simple snippet inside a content file that Hugo will render using a predefined template. Note that shortcodes will not work in template files. If you need the type of drop-in functionality that shortcodes provide but in a template, you most likely want a [partial template][partials] instead.</p>
<p>In addition to cleaner Markdown, shortcodes can be updated any time to reflect new classes, techniques, or standards. At the point of site generation, Hugo shortcodes will easily merge in your changes. You avoid a possibly complicated search and replace operation.</p>
<p>More details: <a href="https://gohugo.io/content-management/shortcodes/">https://gohugo.io/content-management/shortcodes/</a></p>
<h2 id="blockquotes">blockquotes</h2>
<p>Normal quote:
<blockquote>
<p>This is a simple quote.</p>
<footer>
<strong></strong>
</footer>
</blockquote>
</p>
<p>Quote with author:
<blockquote>
<p>This is a quote with only an Author named Author2.</p>
<footer>
<strong>Author2</strong>
</footer>
</blockquote>
</p>
<p>Quote with author and source:
<blockquote>
<p>This is a quote from Author3 and source &ldquo;source.&rdquo;</p>
<footer>
<strong>Author3</strong>
<cite>Source</cite>
</footer>
</blockquote>
</p>
<p>Quote with author and link:
<blockquote>
<p>This is a quote from Author4 and links to <a href="https://www.google.com">https://www.google.com</a>.</p>
<footer>
<strong>Author4</strong>
<cite>
<a href="https://www.google.com" title="https://www.google.com">google.com</a>
</cite>
</footer>
</blockquote>
</p>
<p>Quote with author, link and title:
<blockquote>
<p>This is a quote from Author5 and links to <a href="https://www.google.com">https://www.google.com</a> with title &ldquo;Google.&rdquo;</p>
<footer>
<strong>Author5</strong>
<cite>
<a href="https://www.google.com" title="https://www.google.com">Google</a>
</cite>
</footer>
</blockquote>
</p>
<p>Quote with author and a link longer than 32 characters, string is first cut at 32 characters then everything after the last forward slash is removed
<blockquote>
<p>This is a quote from Author5 and links to <a href="https://twitter.com/CryptoGangsta/status/716427930126196737">https://twitter.com/CryptoGangsta/status/716427930126196737</a> which is longer than 32 characters.
<!-- raw HTML omitted -->And this is a new line in the quote with the HTML br tag.</p>
<footer>
<strong>Author6</strong>
<cite>
<a href="https://twitter.com/CryptoGangsta/status/716427930126196737" title="https://twitter.com/CryptoGangsta/status/716427930126196737">twitter.com/CryptoGangsta/...</a>
</cite>
</footer>
</blockquote>
</p>
<p>Test from the Octopress blockquote page at: <a href="http://octopress.org/docs/plugins/blockquote/">http://octopress.org/docs/plugins/blockquote/</a>
<blockquote>
<p>Over the past 24 hours I&rsquo;ve been reflecting on my life &amp; I&rsquo;ve realized only one thing. I need a medieval battle axe.</p>
<footer>
<strong>@allanbranch</strong>
<cite>
<a href="https://twitter.com/allanbranch/status/90766146063712256" title="https://twitter.com/allanbranch/status/90766146063712256">twitter.com/allanbranch/status/...</a>
</cite>
</footer>
</blockquote>
</p>
<h2 id="music">music</h2>
<!-- raw HTML omitted -->
<h2 id="gist">gist</h2>
<p>We can embed the gist in our content via username and gist ID pulled from the URL:</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre class="chroma"><code><span class="lnt">1
</span></code></pre></td>
<td class="lntd">
<pre class="chroma"><code class="language-fallback" data-lang="fallback">{{&lt; gist spf13 7896402 &gt;}}
</code></pre></td></tr></table>
</div>
</div><p>Display:</p>
<script type="application/javascript" src="https://gist.github.com/spf13/7896402.js"></script>
<h2 id="expand">expand</h2>
<p>The Expand shortcode displays an expandable/collapsible section of text on your page. Here is an example</p>
<details>
<summary style="background-color:#f5f5f5;border:1px solid #ccc;padding:5px;">
Is this learn theme rocks ?
</summary>
Yes !.
</details>
<h3 id="usage">Usage</h3>
<p>this shortcode takes exactly one optional parameter to define the text that appears next to the expand/collapse icon. (default is “Click to expand”)</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre class="chroma"><code><span class="lnt">1
</span><span class="lnt">2
</span><span class="lnt">3
</span></code></pre></td>
<td class="lntd">
<pre class="chroma"><code class="language-fallback" data-lang="fallback">{{&lt; expand &#34;Is this learn theme rocks ?&#34; &gt;}}
Yes !.
{{&lt; /expand &gt;}}
</code></pre></td></tr></table>
</div>
</div><h2 id="youtube">youtube</h2>
<div style="position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden;">
<iframe src="https://www.youtube.com/embed/w7Ft2ymGmfc" style="position: absolute; top: 0; left: 0; width: 100%; height: 100%; border:0;" allowfullscreen title="YouTube Video"></iframe>
</div>
<h2 id="vimeo">vimeo</h2>
<div style="position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden;">
<iframe src="https://player.vimeo.com/video/146022717" style="position: absolute; top: 0; left: 0; width: 100%; height: 100%; border:0;" title="vimeo video" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>
</div>
<h2 id="youku">youku</h2>
<div style="position: relative; padding-bottom: 56.25%; padding-top: 30px; height: 0; overflow: hidden;">
<iframe src="https://player.youku.com/embed/XMzQ0ODUxMjM2NA?autoplay=0" style="position: absolute; top: 0; left: 0; width: 100%; height: 100%;" allowfullscreen frameborder="0" title="YouKu Video">
</iframe>
</div></description>
</item>
<item>
<title>Image Preview</title>
<link>https://wsjcko.github.io/post/image-preview/</link>
<pubDate>Sat, 03 Mar 2018 16:01:23 +0800</pubDate>
<guid>https://wsjcko.github.io/post/image-preview/</guid>
<description><p>Thanks for <a href="https://github.com/liwenyip/hugo-easy-gallery">liwenyip/hugo-easy-gallery</a> &amp; <a href="https://github.com/xianmin/hugo-theme-jane/pull/48">Zebradil · Pull Request #48</a> .</p>
<p>Now, we could use <code>{{&lt; gallery &gt;}}</code> shortcode in hugo-theme-jane.</p>
<h2 id="normal-image">Normal Image</h2>
<p>This is an image in <code>static/image</code> folder.</p>
<div class="highlight"><div class="chroma">
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<pre class="chroma"><code><span class="lnt">1
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<pre class="chroma"><code class="language-markdown" data-lang="markdown">![<span class="nt">This is an image in `static/image` folder.</span>](<span class="na">/image/example.jpg</span>)
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</div>
</div><h2 id="-figure--shortcode"><code>{{&lt; figure &gt;}}</code> shortcode</h2>
<h3 id="figure-image-with-title">figure image with title</h3>
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<pre class="chroma"><code><span class="lnt">1
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<pre class="chroma"><code class="language-fallback" data-lang="fallback">{{&lt; figure src=&#34;/image/example.jpg&#34; title=&#34;figure image with title&#34; &gt;}}
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</div><h3 id="figure-image-with-caption">figure image with caption</h3>
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<pre class="chroma"><code class="language-fallback" data-lang="fallback">{{&lt; figure src=&#34;/image/example.jpg&#34; caption=&#34;figure image with caption figure image with caption figure image with caption figure image with caption figure image with caption&#34; &gt;}}
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</div><h3 id="more--figure--shortcode-usage">more <code>{{&lt; figure &gt;}}</code> shortcode usage</h3>
<p>Specifying your image files:</p>
<ul>
<li><code>{{&lt; figure src=&quot;thumb.jpg&quot; link=&quot;image.jpg&quot; &gt;}}</code> will use <code>thumb.jpg</code> for thumbnail and <code>image.jpg</code> for lightbox</li>
<li><code>{{&lt; figure src=&quot;image.jpg&quot; &gt;}}</code> or <code>{{&lt; figure link=&quot;image.jpg&quot; &gt;}}</code> will use <code>image.jpg</code> for both thumbnail and lightbox</li>
<li><code>{{&lt; figure link=&quot;image.jpg&quot; thumb=&quot;-small&quot; &gt;}}</code> will use <code>image-small.jpg</code> for thumbnail and <code>image.jpg</code> for lightbox</li>
</ul>
<p>Optional parameters:</p>
<ul>
<li>All the <a href="https://gohugo.io/extras/shortcodes">features/parameters</a> of Hugo&rsquo;s built-in <code>figure</code> shortcode work as normal, i.e. src, link, title, caption, class, attr (attribution), attrlink, alt</li>
<li><code>size</code> (e.g. <code>size=&quot;1024x768&quot;</code>) pre-defines the image size for PhotoSwipe. Use this option if you don&rsquo;t want to pre-load the linked image to determine its size.</li>
<li><code>class</code> allows you to set any custom classes you want on the <code>&lt;figure&gt;</code> tag.</li>
</ul>
<p>Optional parameters for standalone <code>{{&lt; figure &gt;}}</code> shortcodes only (i.e. don&rsquo;t use on <code>{{&lt; figure &gt;}}</code> inside <code>{{&lt; gallery &gt;}}</code> - strange things may happen if you do):</p>
<ul>
<li><code>caption-position</code> and <code>caption-effect</code> work the same as for the <code>{{&lt; gallery &gt;}}</code> shortcode (see below).</li>
<li><code>width</code> defines the <a href="https://www.w3schools.com/cssref/pr_dim_max-width.asp"><code>max-width</code></a> of the image displayed on the page. If using a thumbnail for a standalone figure, set this equal to your thumbnail&rsquo;s native width to make the captions behave properly (or feel free to come up with a better solution and submit a pull request :-)). Also use this option if you don&rsquo;t have a thumbnail and you don&rsquo;t want the hi-res image to take up the entire width of the screen/container.</li>
<li><code>class=&quot;no-photoswipe&quot;</code> prevents a <code>&lt;figure&gt;</code> from being loaded into PhotoSwipe. If you click on the figure you&rsquo;ll instead a good ol&rsquo; fashioned hyperlink to a bigger image (or - if you haven&rsquo;t specified a bigger image - the same one).</li>
</ul>
<h2 id="-gallery--shortcode"><code>{{&lt; gallery &gt;}}</code> shortcode</h2>
<h3 id="simple-gallery">simple gallery</h3>
<p>To specify a directory of image files:</p>
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<pre class="chroma"><code class="language-fallback" data-lang="fallback">{{&lt; gallery dir=&#34;/img/your-directory-of-images/&#34; &gt;}}
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</div>
</div><ul>
<li>The images are automatically captioned with the file name.</li>
<li><code>[image].jpg</code> is used for the hi-res image, and <code>[image]-thumb.jpg</code> is used for the thumbnails.</li>
<li>If <code>[image]-thumb.jpg</code> doesn&rsquo;t exist, then <code>[image].jpg</code> will be used for both hi-res and thumbnail images.</li>
<li>The default thumbnail suffix is <code>-thumb</code>, but you can specify a different one e.g. <code>thumb=&quot;-small&quot;</code> or <code>thumb=&quot;_150x150&quot;</code>.</li>
</ul>
<h3 id="to-specify-individual-image-files">To specify individual image files</h3>
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<pre class="chroma"><code class="language-fallback" data-lang="fallback">{{&lt; gallery &gt;}}
{{&lt; figure src=&#34;image1.jpg&#34; &gt;}}
{{&lt; figure src=&#34;image2.jpg&#34; &gt;}}
{{&lt; figure src=&#34;image3.jpg&#34; &gt;}}
{{&lt; /gallery &gt;}}
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</div><p><strong>Optional parameters:</strong></p>