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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>3000ye's Blog</title>
<link>https://3000ye.com/</link>
<description>Recent content on 3000ye's Blog</description>
<generator>Hugo -- gohugo.io</generator>
<language>en-us</language>
<lastBuildDate>Sat, 25 Jan 2025 11:57:31 +0800</lastBuildDate><atom:link href="https://3000ye.com/index.xml" rel="self" type="application/rss+xml" /><item>
<title>Karabiner</title>
<link>https://3000ye.com/p/karabiner/</link>
<pubDate>Sat, 25 Jan 2025 11:57:31 +0800</pubDate>
<guid>https://3000ye.com/p/karabiner/</guid>
<description><h1 id="karabiner-配置项">Karabiner 配置项
</h1><p><code>Fn + JKLI(SDFE) = left, down, right, up, Fn + space = backspace, Fn + n = 4</code>: <a class="link" href="./assets/config.json" >config.json</a></p>
</description>
</item>
<item>
<title>Git moji</title>
<link>https://3000ye.com/p/git-moji/</link>
<pubDate>Sun, 19 Jan 2025 23:46:43 +0800</pubDate>
<guid>https://3000ye.com/p/git-moji/</guid>
<description><h1 id="git-commit-message-规范">Git Commit Message 规范
</h1><p>Git Commit Message 虽然可以随意描述,但使用没有意义的描述对于后续 review 代码以及理解代码用途等方面都会造成巨大的影响。因此 Commit Message 具有意义是最基本的要求,此外,你还应该遵守一定的格式规范,这样能够让大家更快更清晰地了解该 Commit 的详情。这里我主要介绍下常规的 Git Commit 规范和 Gitmoji 规范,最后介绍下我常用的相关配置。</p>
<p>Commit Message 最基本的组成为:<code>header</code>、<code>body</code>、<code>footer</code>:</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre tabindex="0" 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></code></pre></td>
<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-shell" data-lang="shell"><span class="line"><span class="cl">&lt;type&gt;<span class="o">(</span>&lt;scope&gt;<span class="o">)</span>: &lt;subject&gt;
</span></span><span class="line"><span class="cl">&lt;BLANK LINE&gt;
</span></span><span class="line"><span class="cl">&lt;body&gt;
</span></span><span class="line"><span class="cl">&lt;BLANK LINE&gt;
</span></span><span class="line"><span class="cl">&lt;footer&gt;
</span></span></code></pre></td></tr></table>
</div>
</div><p>根据 conventional-commit-types, type 的可选值一般来说是有下面几种</p>
<ul>
<li>feat: 添加新功能</li>
<li>fix: 修复 bug</li>
<li>docs: 仅对文档进行修改</li>
<li>style: 对代码语义无影响的格式修改(如去除无用空格、格式化等等修改)</li>
<li>refactor: 代码重构(既不是新增功能,也不是修改 bug 的代码变动)</li>
<li>perf: 提高性能的代码修改</li>
<li>test: 测试用例添加及修改</li>
<li>build: 影响构建系统或外部依赖关系的更改</li>
<li>ci: 更改 CI 配置文件和脚本</li>
<li>chore: 其它不涉及源码以及测试的修改</li>
</ul>
<blockquote>
<p>一般情况,commit 只会包含 header 部分。</p>
</blockquote>
<p>Gitmoji 规范允许你在 Commit Message 中使用 Emoji ,简单的说,你可以用生动形象的 Emoji 来表示该次 Commit 的 type,Gitmoji 推荐的 header 格式是:</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre tabindex="0" class="chroma"><code><span class="lnt">1
</span></code></pre></td>
<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-shell" data-lang="shell"><span class="line"><span class="cl">&lt;gitmoji&gt;&lt;type&gt;: &lt;subject&gt;
</span></span></code></pre></td></tr></table>
</div>
</div><p>常见的 moji 如下所示:</p>
<table><thead><tr><th>view</th> <th>code</th> <th>mean</th> <th>translate</th></tr></thead> <tbody><tr><td>🎨</td> <td><code>:art:</code></td> <td>Improve structure / format of the code.</td> <td>改良结构和代码格式</td></tr> <tr><td>⚡️</td> <td><code>:zap:</code></td> <td>Improve performance.</td> <td>优化性能</td></tr> <tr><td>🔥</td> <td><code>:fire:</code></td> <td>Remove code or files.</td> <td>移除代码或文件</td></tr> <tr><td>🐛</td> <td><code>:bug:</code></td> <td>Fix a bug.</td> <td>修复 bug</td></tr> <tr><td>🚑</td> <td><code>:ambulance:</code></td> <td>Critical hotfix.</td> <td>紧急的热修复</td></tr> <tr><td>✨</td> <td><code>:sparkles:</code></td> <td>Introduce new features.</td> <td>引入新功能</td></tr> <tr><td>📝</td> <td><code>:memo:</code></td> <td>Add or update documentation.</td> <td>添加或更新文档</td></tr> <tr><td>🚀</td> <td><code>:rocket:</code></td> <td>Deploy stuff.</td> <td>部署</td></tr> <tr><td>💄</td> <td><code>:lipstick:</code></td> <td>Add or update the UI and style files.</td> <td>添加或更新 UI 和样式文件</td></tr> <tr><td>🎉</td> <td><code>:tada:</code></td> <td>Begin a project.</td> <td>开始一个全新的项目~</td></tr> <tr><td>✅</td> <td><code>:white_check_mark:</code></td> <td>Add or update tests.</td> <td>添加或更新测试用例</td></tr> <tr><td>🔒</td> <td><code>:lock:</code></td> <td>Fix security issues.</td> <td>修复安全问题</td></tr> <tr><td>🔖</td> <td><code>:bookmark:</code></td> <td>Release / Version tags.</td> <td>发版 / 版本标签</td></tr> <tr><td>🚨</td> <td><code>:rotating_light:</code></td> <td>Fix compiler / linter warnings.</td> <td>修复编译器或者 linter 的 warning</td></tr> <tr><td>🚧</td> <td><code>:construction:</code></td> <td>Work in progress.</td> <td>工作在进行中</td></tr> <tr><td>💚</td> <td><code>:green_heart:</code></td> <td>Fix CI Build.</td> <td>修复 CI 构建问题</td></tr> <tr><td>⬇️</td> <td><code>:arrow_down:</code></td> <td>Downgrade dependencies.</td> <td>降级依赖库</td></tr> <tr><td>⬆️</td> <td><code>:arrow_up:</code></td> <td>Upgrade dependencies.</td> <td>升级依赖库</td></tr> <tr><td>📌</td> <td><code>:pushpin:</code></td> <td>Pin dependencies to specific versions.</td> <td>将依赖库固定到特定版本</td></tr> <tr><td>👷</td> <td><code>:construction_worker:</code></td> <td>Add or update CI build system.</td> <td>添加或更新 CI 构建系统</td></tr> <tr><td>📈</td> <td><code>:chart_with_upwards_trend:</code></td> <td>Add or update analytics or track code.</td> <td>添加或更新分析或跟踪代码</td></tr> <tr><td>♻️</td> <td><code>:recycle:</code></td> <td>Refactor code.</td> <td>重构代码</td></tr> <tr><td>➕</td> <td><code>:heavy_plus_sign:</code></td> <td>Add a dependency.</td> <td>添加一个依赖项</td></tr> <tr><td>➖</td> <td><code>:heavy_minus_sign:</code></td> <td>Remove a dependency.</td> <td>删除一个依赖项</td></tr> <tr><td>🔧</td> <td><code>:wrench:</code></td> <td>Add or update configuration files.</td> <td>添加或改变配置文件</td></tr> <tr><td>🔨</td> <td><code>:hammer:</code></td> <td>Add or update development scripts.</td> <td>添加或更新构开发脚本</td></tr> <tr><td>🌐</td> <td><code>:globe_with_meridians:</code></td> <td>Internationalization and localization.</td> <td>国际化和本地化(i18n)</td></tr> <tr><td>✏️</td> <td><code>:pencil2:</code></td> <td>Fix typos.</td> <td>修复拼写错误</td></tr> <tr><td>💩</td> <td><code>:poop:</code></td> <td>Write bad code that needs to be improved.</td> <td>当前代码尚需优化</td></tr> <tr><td>⏪</td> <td><code>:rewind:</code></td> <td>Revert changes.</td> <td>撤销之前的修改</td></tr> <tr><td>🔀</td> <td><code>:twisted_rightwards_arrows:</code></td> <td>Merge branches.</td> <td>合并分支</td></tr> <tr><td>📦</td> <td><code>:package:</code></td> <td>Add or update compiled files or packages.</td> <td>添加或更新编译的文件或包</td></tr> <tr><td>👽</td> <td><code>:alien:</code></td> <td>Update code due to external API changes.</td> <td>由于外部 API 更改而更新代码</td></tr> <tr><td>🚚</td> <td><code>:truck:</code></td> <td>Move or rename resources (e.g.: files, paths, routes).</td> <td>移动或重命名资源(诸如:文件、路径、路由)</td></tr> <tr><td>📄</td> <td><code>:page_facing_up:</code></td> <td>Add or update license.</td> <td>添加或更新 LICENSE</td></tr> <tr><td>💥</td> <td><code>:boom:</code></td> <td>Introduce breaking changes.</td> <td>引入不兼容的变动</td></tr> <tr><td>🍱</td> <td><code>:bento:</code></td> <td>Add or update assets.</td> <td>添加或更新静态资源</td></tr> <tr><td>♿️</td> <td><code>:wheelchair:</code></td> <td>Improve accessibility.</td> <td>提高可访问性</td></tr> <tr><td>💡</td> <td><code>:bulb:</code></td> <td>Add or update comments in source code.</td> <td>在源代码中添加或更新注释</td></tr> <tr><td>🍻</td> <td><code>:beers:</code></td> <td>Write code drunkenly.</td> <td>醉醺醺地编写代码</td></tr> <tr><td>💬</td> <td><code>:speech_balloon:</code></td> <td>Add or update text and literals.</td> <td>添加或更新用于文本、对话框等文本字面量相关的更改</td></tr> <tr><td>🗃</td> <td><code>:card_file_box:</code></td> <td>Perform database related changes.</td> <td>执行与数据库相关的更改</td></tr> <tr><td>🔊</td> <td><code>:loud_sound:</code></td> <td>Add or update logs.</td> <td>添加或更新日志</td></tr> <tr><td>🔇</td> <td><code>:mute:</code></td> <td>Remove logs.</td> <td>删除日志</td></tr> <tr><td>👥</td> <td><code>:busts_in_silhouette:</code></td> <td>Add or update contributor(s).</td> <td>添加或更新贡献者</td></tr> <tr><td>🚸</td> <td><code>:children_crossing:</code></td> <td>Improve user experience / usability.</td> <td>改善用户体验/可用性</td></tr> <tr><td>🏗</td> <td><code>:building_construction:</code></td> <td>Make architectural changes.</td> <td>改变架构</td></tr> <tr><td>📱</td> <td><code>:iphone:</code></td> <td>Work on responsive design.</td> <td>进行响应式设计</td></tr> <tr><td>🤡</td> <td><code>:clown_face:</code></td> <td>Mock things.</td> <td>添加或更改 mock</td></tr> <tr><td>🥚</td> <td><code>:egg:</code></td> <td>Add or update an easter egg.</td> <td>添加或更新彩蛋内容</td></tr> <tr><td>🙈</td> <td><code>:see_no_evil:</code></td> <td>Add or update a .gitignore file.</td> <td>添加或更新 .gitignore 文件</td></tr> <tr><td>📸</td> <td><code>:camera_flash:</code></td> <td>Add or updatesnapshots.</td> <td>添加或更新快照</td></tr> <tr><td>⚗️</td> <td><code>:alembic:</code></td> <td>Perform experiments.</td> <td>实验性内容</td></tr> <tr><td>🔍</td> <td><code>:mag:</code></td> <td>Improve SEO.</td> <td>提高 SEO</td></tr> <tr><td>🏷</td> <td><code>:label:</code></td> <td>Add or update types.</td> <td>添加或更新类型声明</td></tr> <tr><td>🌱</td> <td><code>:seedling:</code></td> <td>Add or update seed files.</td> <td>添加或更新种子文件</td></tr> <tr><td>🚩</td> <td><code>:triangular_flag_on_post:</code></td> <td>Add, update, or remove feature flags.</td> <td>添加、更新或删除功能标志</td></tr> <tr><td>🥅</td> <td><code>:goal_net:</code></td> <td>Catch errors.</td> <td>捕获错误</td></tr> <tr><td>💫</td> <td><code>:dizzy:</code></td> <td>Add or update animations and transitions.</td> <td>添加或更新动画和过渡</td></tr> <tr><td>🗑</td> <td><code>:wastebasket:</code></td> <td>Deprecate code that needs to be cleaned up.</td> <td>清理冗余代码</td></tr> <tr><td>🛂</td> <td><code>:passport_control:</code></td> <td>Work on code related to authorization, roles and permissions.</td> <td>处理与授权、账户和权限相关的代码 |</td></tr> <tr><td>🩹 </td> <td><code>:adhesive_bandage:</code></td> <td>Simple fix for a non-critical issue.</td> <td>简单修复一个非关键问题</td></tr> <tr><td>🧐 </td> <td><code>:monocle_face:</code></td> <td>Data exploration/inspection.</td> <td>数据探索/检查</td></tr> <tr><td>⚰️</td> <td><code>:coffin:</code></td> <td>Remove dead code.</td> <td>清除无效代码</td></tr> <tr><td>🧪 </td> <td><code>:test_tube:</code></td> <td>Add a failing test.</td> <td>添加一个运行失败的测试用例(TDD 第一步)</td></tr> <tr><td>👔</td> <td><code>:necktie:</code></td> <td>Add or update business logic.</td> <td>添加或更新业务逻辑</td></tr> <tr><td>🩺</td> <td><code>:stethoscope:</code></td> <td>Add or update healthcheck.</td> <td>添加或更新健康检查</td></tr> <tr><td>🧱</td> <td><code>:bricks:</code></td> <td>Infrastructure related changes.</td> <td>基础设施相关改动</td></tr> <tr><td>🧑💻</td> <td><code>:technologist:</code></td> <td>Improve developer experience.</td> <td>提升开发体验</td></tr> <tr><td>🔐</td> <td><code>:closed_lock_with_key:</code></td> <td>Add or update secrets.</td> <td>添加或更新加密内容</td></tr> <tr><td>💸</td> <td><code>:money_with_wings:</code></td> <td>Add sponsorships or money related infrastructure.</td> <td>添加赞助商或者资金支持相关内容</td></tr> <tr><td>🧵</td> <td><code>:thread:</code></td> <td>Add or update code related to multithreading or concurrency.</td> <td>添加或更新多线程或与并发相关的代码</td></tr></tbody></table></description>
</item>
<item>
<title>Rust Configure</title>
<link>https://3000ye.com/p/rust-configure/</link>
<pubDate>Mon, 06 Jan 2025 20:50:10 +0800</pubDate>
<guid>https://3000ye.com/p/rust-configure/</guid>
<description><img src="https://3000ye.com/p/rust-configure/assets/rust.png" alt="Featured image of post Rust Configure" /><h1 id="rust-安装与配置">Rust 安装与配置
</h1><h2 id="安装">安装
</h2><h3 id="安装-rust">安装 Rust
</h3><p>官网安装:一路回车就行了</p>
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<pre tabindex="0" class="chroma"><code class="language-shell" data-lang="shell"><span class="line"><span class="cl">curl --proto <span class="s1">&#39;=https&#39;</span> --tlsv1.2 https://sh.rustup.rs -sSf <span class="p">|</span> sh
</span></span></code></pre></td></tr></table>
</div>
</div><p>换源安装(中科大源):</p>
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<pre tabindex="0" class="chroma"><code class="language-shell" data-lang="shell"><span class="line"><span class="cl">curl --proto <span class="s1">&#39;https&#39;</span> --tlsv1.2 https://mirrors.ustc.edu.cn/misc/rustup-install.sh -sSf &gt; rust.sh <span class="o">&amp;&amp;</span> chmod +x rust.sh
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="nb">export</span> <span class="nv">RUSTUP_DIST_SERVER</span><span class="o">=</span>https://mirrors.ustc.edu.cn/rust-static
</span></span><span class="line"><span class="cl"><span class="nb">export</span> <span class="nv">RUSTUP_UPDATE_ROOT</span><span class="o">=</span>https://mirrors.ustc.edu.cn/rust-static/rustup
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl">sudo bash rust.sh
</span></span></code></pre></td></tr></table>
</div>
</div><h3 id="查看-rust-版本">查看 Rust 版本
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<pre tabindex="0" class="chroma"><code class="language-shell" data-lang="shell"><span class="line"><span class="cl">rustc -V
</span></span><span class="line"><span class="cl">cargo -V
</span></span></code></pre></td></tr></table>
</div>
</div><h2 id="配置">配置
</h2><h3 id="包管理器换源">包管理器换源
</h3><p>可以直接新建 <code>~/.cargo/config.toml</code> 文件,写入:</p>
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<pre tabindex="0" class="chroma"><code class="language-shell" data-lang="shell"><span class="line"><span class="cl"><span class="o">[</span>source.crates-io<span class="o">]</span>
</span></span><span class="line"><span class="cl">replace-with <span class="o">=</span> <span class="s1">&#39;ustc&#39;</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="o">[</span>source.ustc<span class="o">]</span>
</span></span><span class="line"><span class="cl"><span class="nv">registry</span> <span class="o">=</span> <span class="s2">&#34;sparse+https://mirrors.ustc.edu.cn/crates.io-index/&#34;</span>
</span></span></code></pre></td></tr></table>
</div>
</div><p>或者安装 <code>crm</code> 镜像源管理器:<a class="link" href="https://github.com/wtklbm/crm" target="_blank" rel="noopener"
>crm</a></p>
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<pre tabindex="0" class="chroma"><code class="language-shell" data-lang="shell"><span class="line"><span class="cl">cargo install crm
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl">crm best
</span></span></code></pre></td></tr></table>
</div>
</div></description>
</item>
<item>
<title>Wakatime Robot</title>
<link>https://3000ye.com/p/wakatime-robot/</link>
<pubDate>Sat, 14 Sep 2024 01:25:39 +0800</pubDate>
<guid>https://3000ye.com/p/wakatime-robot/</guid>
<description><img src="https://3000ye.com/p/wakatime-robot/assets/wakatime.png" alt="Featured image of post Wakatime Robot" /><h1 id="wakatime-数据同步到飞书多维表格">Wakatime 数据同步到飞书多维表格
</h1><h2 id="获取-wakatime-api-key">获取 Wakatime API KEY
</h2><p>访问 <a class="link" href="https://wakatime.com/settings/api-key" target="_blank" rel="noopener"
>api-key</a> 获取 <code>API-KEY</code>,相关接口可以查看文档:<a class="link" href="https://wakatime.com/developers" target="_blank" rel="noopener"
>developers</a>。</p>
<h2 id="飞书创建多维表格">飞书创建多维表格
</h2><p>按照想要的数据创建对应的多维表格:</p>
<div style='display: flex; justify-content: center;'>
<img src='assets/feishu1.png' alt='img' style='zoom:60%;' />
</div>
<h2 id="飞书构建仪表盘">飞书构建仪表盘
</h2><p>按照想要的效果构建仪表盘:</p>
<div style='display: flex; justify-content: center;'>
<img src='assets/feishu2.jpeg' alt='img' style='zoom:50%;' />
</div>
<h2 id="python-脚本调通">Python 脚本调通
</h2><p>需要注意 Wakatime 数据的获取方式,本文采用 <code>API-KEY</code> 的方式获取:</p>
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<pre tabindex="0" class="chroma"><code class="language-python" data-lang="python"><span class="line"><span class="cl"><span class="n">WAKATIME_API_KEY</span> <span class="o">=</span> <span class="s2">&#34;xxxxxxxxxxxxxxxxxx&#34;</span>
</span></span><span class="line"><span class="cl"><span class="n">HEADERS</span> <span class="o">=</span> <span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="s2">&#34;Authorization&#34;</span><span class="p">:</span> <span class="s2">&#34;Basic &#34;</span> <span class="o">+</span> <span class="n">base64</span><span class="o">.</span><span class="n">b64encode</span><span class="p">(</span><span class="n">WAKATIME_API_KEY</span><span class="o">.</span><span class="n">encode</span><span class="p">(</span><span class="s2">&#34;utf-8&#34;</span><span class="p">))</span><span class="o">.</span><span class="n">decode</span><span class="p">(</span><span class="s2">&#34;utf-8&#34;</span><span class="p">)</span> <span class="o">+</span> <span class="s2">&#34;=&#34;</span><span class="p">,</span>
</span></span><span class="line"><span class="cl"><span class="p">}</span>
</span></span><span class="line"><span class="cl"><span class="n">BASE_URL</span> <span class="o">=</span> <span class="s2">&#34;https://wakatime.com/api/v1/users/current/summaries&#34;</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="n">url</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">&#34;</span><span class="si">{</span><span class="n">BASE_URL</span><span class="si">}</span><span class="s2">?start=2024-09-10&amp;end=2024-09-10&#34;</span>
</span></span><span class="line"><span class="cl"><span class="n">resp</span> <span class="o">=</span> <span class="n">requests</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">url</span><span class="p">,</span> <span class="n">headers</span><span class="o">=</span><span class="n">HEADERS</span><span class="p">)</span>
</span></span></code></pre></td></tr></table>
</div>
</div><h2 id="服务器部署">服务器部署
</h2><h3 id="定时器和服务器编写">定时器和服务器编写
</h3><p>分别编写 <code>timer</code> 和 <code>service</code> 脚本:</p>
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<pre tabindex="0" class="chroma"><code class="language-shell" data-lang="shell"><span class="line"><span class="cl"><span class="o">[</span>Unit<span class="o">]</span>
</span></span><span class="line"><span class="cl"><span class="nv">Description</span><span class="o">=</span>Wakatime to Feishu
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="o">[</span>Timer<span class="o">]</span>
</span></span><span class="line"><span class="cl"><span class="c1"># OnCalendar设置定时规则,这里是每天10点</span>
</span></span><span class="line"><span class="cl"><span class="nv">OnCalendar</span><span class="o">=</span>*-*-* 10:00:00
</span></span><span class="line"><span class="cl"><span class="nv">Unit</span><span class="o">=</span>wakatime.service
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="o">[</span>Install<span class="o">]</span>
</span></span><span class="line"><span class="cl"><span class="nv">WantedBy</span><span class="o">=</span>timers.target
</span></span></code></pre></td></tr></table>
</div>
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<pre tabindex="0" class="chroma"><code class="language-shell" data-lang="shell"><span class="line"><span class="cl"><span class="o">[</span>Unit<span class="o">]</span>
</span></span><span class="line"><span class="cl"><span class="nv">Description</span><span class="o">=</span>Wakatime to Feishu
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="o">[</span>Service<span class="o">]</span>
</span></span><span class="line"><span class="cl"><span class="nv">Type</span><span class="o">=</span>simple
</span></span><span class="line"><span class="cl"><span class="nv">User</span><span class="o">=</span>castor
</span></span><span class="line"><span class="cl"><span class="c1"># 建议使用 shell 脚本</span>
</span></span><span class="line"><span class="cl"><span class="nv">ExecStart</span><span class="o">=</span>/home/castor/Wakatime2Feishu/client.sh
</span></span></code></pre></td></tr></table>
</div>
</div><p>建议使用 <code>client.sh</code> 来启动 <code>main.py</code> 脚本,可以避免 <code>Python</code> 环境的混乱:</p>
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</span></span></span><span class="line"><span class="cl"><span class="cp"></span>
</span></span><span class="line"><span class="cl"><span class="nb">cd</span> /home/castor/Wakatime2Feishu
</span></span><span class="line"><span class="cl">python3 main.py
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</div>
</div><h3 id="启用定时任务">启用定时任务
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<pre tabindex="0" class="chroma"><code class="language-shell" data-lang="shell"><span class="line"><span class="cl"><span class="c1"># 复制定时器</span>
</span></span><span class="line"><span class="cl">sudo cp wakatime.timer /etc/systemd/system/
</span></span><span class="line"><span class="cl">sudo cp wakatime.service /etc/systemd/system/
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># 重载定时任务,启用并开始定时任务</span>
</span></span><span class="line"><span class="cl">sudo systemctl daemon-reload
</span></span><span class="line"><span class="cl">sudo systemctl <span class="nb">enable</span> wakatime.timer
</span></span><span class="line"><span class="cl">sudo systemctl start wakatime.timer
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1"># 查看定时任务列表</span>
</span></span><span class="line"><span class="cl">sudo systemctl list-timers
</span></span></code></pre></td></tr></table>
</div>
</div></description>
</item>
<item>
<title>MacOs Applications</title>
<link>https://3000ye.com/p/macos-applications/</link>
<pubDate>Mon, 19 Aug 2024 13:40:11 +0800</pubDate>
<guid>https://3000ye.com/p/macos-applications/</guid>
<description><h2 id="karabiner">karabiner
</h2><p>官网链接:<a class="link" href="https://karabiner-elements.pqrs.org" target="_blank" rel="noopener"
>https://karabiner-elements.pqrs.org</a></p>
<p>MacOs 修改键盘布局软件,可以自定义任意按键。通过这个软件,可以将 MacBook 的键盘修改为 HHKB 配列。下面是配置备份:</p>
<h3 id="快捷设置">快捷设置
</h3><p>将 <code>Control</code>,<code>Command</code> 和 <code>Fn</code> 替换:</p>
<div style='display: flex; justify-content: center;'>
<img src='assets/karabiner.png' alt='img' style='zoom:30%;' />
</div>
<h3 id="脚本配置">脚本配置
</h3><p>设置快捷键:<code>Fn + JKLI = left, down, right, up</code>:</p>
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<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-json" data-lang="json"><span class="line"><span class="cl"><span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;description&#34;</span><span class="p">:</span> <span class="s2">&#34;Fn + JKLI = left, down, right, up&#34;</span><span class="p">,</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;manipulators&#34;</span><span class="p">:</span> <span class="p">[</span>
</span></span><span class="line"><span class="cl"> <span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;from&#34;</span><span class="p">:</span> <span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;key_code&#34;</span><span class="p">:</span> <span class="s2">&#34;j&#34;</span><span class="p">,</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;modifiers&#34;</span><span class="p">:</span> <span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;mandatory&#34;</span><span class="p">:</span> <span class="p">[</span><span class="s2">&#34;fn&#34;</span><span class="p">],</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;optional&#34;</span><span class="p">:</span> <span class="p">[</span><span class="s2">&#34;caps_lock&#34;</span><span class="p">,</span> <span class="s2">&#34;option&#34;</span><span class="p">,</span> <span class="s2">&#34;shift&#34;</span><span class="p">,</span> <span class="s2">&#34;control&#34;</span><span class="p">]</span>
</span></span><span class="line"><span class="cl"> <span class="p">}</span>
</span></span><span class="line"><span class="cl"> <span class="p">},</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;to&#34;</span><span class="p">:</span> <span class="p">[{</span> <span class="nt">&#34;key_code&#34;</span><span class="p">:</span> <span class="s2">&#34;left_arrow&#34;</span> <span class="p">}],</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;type&#34;</span><span class="p">:</span> <span class="s2">&#34;basic&#34;</span>
</span></span><span class="line"><span class="cl"> <span class="p">},</span>
</span></span><span class="line"><span class="cl"> <span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;from&#34;</span><span class="p">:</span> <span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;key_code&#34;</span><span class="p">:</span> <span class="s2">&#34;k&#34;</span><span class="p">,</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;modifiers&#34;</span><span class="p">:</span> <span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;mandatory&#34;</span><span class="p">:</span> <span class="p">[</span><span class="s2">&#34;fn&#34;</span><span class="p">],</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;optional&#34;</span><span class="p">:</span> <span class="p">[</span><span class="s2">&#34;caps_lock&#34;</span><span class="p">,</span> <span class="s2">&#34;option&#34;</span><span class="p">,</span> <span class="s2">&#34;shift&#34;</span><span class="p">,</span> <span class="s2">&#34;control&#34;</span><span class="p">]</span>
</span></span><span class="line"><span class="cl"> <span class="p">}</span>
</span></span><span class="line"><span class="cl"> <span class="p">},</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;to&#34;</span><span class="p">:</span> <span class="p">[{</span> <span class="nt">&#34;key_code&#34;</span><span class="p">:</span> <span class="s2">&#34;down_arrow&#34;</span> <span class="p">}],</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;type&#34;</span><span class="p">:</span> <span class="s2">&#34;basic&#34;</span>
</span></span><span class="line"><span class="cl"> <span class="p">},</span>
</span></span><span class="line"><span class="cl"> <span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;from&#34;</span><span class="p">:</span> <span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;key_code&#34;</span><span class="p">:</span> <span class="s2">&#34;l&#34;</span><span class="p">,</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;modifiers&#34;</span><span class="p">:</span> <span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;mandatory&#34;</span><span class="p">:</span> <span class="p">[</span><span class="s2">&#34;fn&#34;</span><span class="p">],</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;optional&#34;</span><span class="p">:</span> <span class="p">[</span><span class="s2">&#34;caps_lock&#34;</span><span class="p">,</span> <span class="s2">&#34;option&#34;</span><span class="p">,</span> <span class="s2">&#34;shift&#34;</span><span class="p">,</span> <span class="s2">&#34;control&#34;</span><span class="p">]</span>
</span></span><span class="line"><span class="cl"> <span class="p">}</span>
</span></span><span class="line"><span class="cl"> <span class="p">},</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;to&#34;</span><span class="p">:</span> <span class="p">[{</span> <span class="nt">&#34;key_code&#34;</span><span class="p">:</span> <span class="s2">&#34;right_arrow&#34;</span> <span class="p">}],</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;type&#34;</span><span class="p">:</span> <span class="s2">&#34;basic&#34;</span>
</span></span><span class="line"><span class="cl"> <span class="p">},</span>
</span></span><span class="line"><span class="cl"> <span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;from&#34;</span><span class="p">:</span> <span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;key_code&#34;</span><span class="p">:</span> <span class="s2">&#34;i&#34;</span><span class="p">,</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;modifiers&#34;</span><span class="p">:</span> <span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;mandatory&#34;</span><span class="p">:</span> <span class="p">[</span><span class="s2">&#34;fn&#34;</span><span class="p">],</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;optional&#34;</span><span class="p">:</span> <span class="p">[</span><span class="s2">&#34;caps_lock&#34;</span><span class="p">,</span> <span class="s2">&#34;option&#34;</span><span class="p">,</span> <span class="s2">&#34;shift&#34;</span><span class="p">,</span> <span class="s2">&#34;control&#34;</span><span class="p">]</span>
</span></span><span class="line"><span class="cl"> <span class="p">}</span>
</span></span><span class="line"><span class="cl"> <span class="p">},</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;to&#34;</span><span class="p">:</span> <span class="p">[{</span> <span class="nt">&#34;key_code&#34;</span><span class="p">:</span> <span class="s2">&#34;up_arrow&#34;</span> <span class="p">}],</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;type&#34;</span><span class="p">:</span> <span class="s2">&#34;basic&#34;</span>
</span></span><span class="line"><span class="cl"> <span class="p">},</span>
</span></span><span class="line"><span class="cl"> <span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;from&#34;</span><span class="p">:</span> <span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;key_code&#34;</span><span class="p">:</span> <span class="s2">&#34;o&#34;</span><span class="p">,</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;modifiers&#34;</span><span class="p">:</span> <span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;mandatory&#34;</span><span class="p">:</span> <span class="p">[</span><span class="s2">&#34;fn&#34;</span><span class="p">],</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;optional&#34;</span><span class="p">:</span> <span class="p">[</span><span class="s2">&#34;caps_lock&#34;</span><span class="p">,</span> <span class="s2">&#34;option&#34;</span><span class="p">,</span> <span class="s2">&#34;shift&#34;</span><span class="p">,</span> <span class="s2">&#34;control&#34;</span><span class="p">]</span>
</span></span><span class="line"><span class="cl"> <span class="p">}</span>
</span></span><span class="line"><span class="cl"> <span class="p">},</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;to&#34;</span><span class="p">:</span> <span class="p">[{</span> <span class="nt">&#34;key_code&#34;</span><span class="p">:</span> <span class="s2">&#34;end&#34;</span> <span class="p">}],</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;type&#34;</span><span class="p">:</span> <span class="s2">&#34;basic&#34;</span>
</span></span><span class="line"><span class="cl"> <span class="p">},</span>
</span></span><span class="line"><span class="cl"> <span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;from&#34;</span><span class="p">:</span> <span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;key_code&#34;</span><span class="p">:</span> <span class="s2">&#34;u&#34;</span><span class="p">,</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;modifiers&#34;</span><span class="p">:</span> <span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;mandatory&#34;</span><span class="p">:</span> <span class="p">[</span><span class="s2">&#34;fn&#34;</span><span class="p">],</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;optional&#34;</span><span class="p">:</span> <span class="p">[</span><span class="s2">&#34;caps_lock&#34;</span><span class="p">,</span> <span class="s2">&#34;option&#34;</span><span class="p">,</span> <span class="s2">&#34;shift&#34;</span><span class="p">,</span> <span class="s2">&#34;control&#34;</span><span class="p">]</span>
</span></span><span class="line"><span class="cl"> <span class="p">}</span>
</span></span><span class="line"><span class="cl"> <span class="p">},</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;to&#34;</span><span class="p">:</span> <span class="p">[{</span> <span class="nt">&#34;key_code&#34;</span><span class="p">:</span> <span class="s2">&#34;home&#34;</span> <span class="p">}],</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;type&#34;</span><span class="p">:</span> <span class="s2">&#34;basic&#34;</span>
</span></span><span class="line"><span class="cl"> <span class="p">},</span>
</span></span><span class="line"><span class="cl"> <span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;from&#34;</span><span class="p">:</span> <span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;key_code&#34;</span><span class="p">:</span> <span class="s2">&#34;spacebar&#34;</span><span class="p">,</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;modifiers&#34;</span><span class="p">:</span> <span class="p">{</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;mandatory&#34;</span><span class="p">:</span> <span class="p">[</span><span class="s2">&#34;fn&#34;</span><span class="p">],</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;optional&#34;</span><span class="p">:</span> <span class="p">[</span><span class="s2">&#34;caps_lock&#34;</span><span class="p">,</span> <span class="s2">&#34;option&#34;</span><span class="p">,</span> <span class="s2">&#34;shift&#34;</span><span class="p">,</span> <span class="s2">&#34;control&#34;</span><span class="p">]</span>
</span></span><span class="line"><span class="cl"> <span class="p">}</span>
</span></span><span class="line"><span class="cl"> <span class="p">},</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;to&#34;</span><span class="p">:</span> <span class="p">[{</span> <span class="nt">&#34;key_code&#34;</span><span class="p">:</span> <span class="s2">&#34;delete_or_backspace&#34;</span> <span class="p">}],</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&#34;type&#34;</span><span class="p">:</span> <span class="s2">&#34;basic&#34;</span>
</span></span><span class="line"><span class="cl"> <span class="p">}</span>
</span></span><span class="line"><span class="cl"> <span class="p">]</span>
</span></span><span class="line"><span class="cl"><span class="p">}</span>
</span></span></code></pre></td></tr></table>
</div>
</div><h2 id="stats">Stats
</h2><p>Github 仓库:<a class="link" href="https://github.com/exelban/stats" target="_blank" rel="noopener"
>https://github.com/exelban/stats</a></p>
<p>在 MacOs 的 Bar 上显示设备信息:CPU、GPU、WLAN 等,配置备份:<code>/assets/Stats.plist</code>:</p>
<div style='display: flex; justify-content: center;'>
<img src='assets/Stats.png' alt='img' style='zoom:50%;' />
</div>
<h2 id="loop">Loop
</h2><p>Github 仓库:<a class="link" href="https://github.com/MrKai77/Loop" target="_blank" rel="noopener"
>https://github.com/MrKai77/Loop</a></p>
<p>在 MacOs 上快捷移动应用窗口、左右上下贴靠等,配置备份:<code>/assets/loop.json</code>:</p>
<div style='display: flex; justify-content: center;'>
<img src='assets/loop_demo.gif' alt='img' style='zoom:50%;' />
</div>
</description>
</item>
<item>
<title>Install PyTorch on MaxOS</title>
<link>https://3000ye.com/p/install-pytorch-on-maxos/</link>
<pubDate>Thu, 15 Aug 2024 16:25:46 +0800</pubDate>
<guid>https://3000ye.com/p/install-pytorch-on-maxos/</guid>
<description><img src="https://3000ye.com/p/install-pytorch-on-maxos/assets/pytorch.png" alt="Featured image of post Install PyTorch on MaxOS" /><h1 id="maxos-安装-pytorch">MaxOS 安装 PyTorch
</h1><h2 id="安装-conda">安装 Conda
</h2><p>根据官方文档安装 MiniConda:https://docs.anaconda.com/miniconda/</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre tabindex="0" 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></code></pre></td>
<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-shell" data-lang="shell"><span class="line"><span class="cl">mkdir -p ~/miniconda3
</span></span><span class="line"><span class="cl">curl https://repo.anaconda.com/miniconda/Miniconda3-latest-MacOSX-arm64.sh -o ~/miniconda3/miniconda.sh
</span></span><span class="line"><span class="cl">bash ~/miniconda3/miniconda.sh -b -u -p ~/miniconda3
</span></span><span class="line"><span class="cl">rm -rf ~/miniconda3/miniconda.sh
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl">~/miniconda3/bin/conda init zsh
</span></span></code></pre></td></tr></table>
</div>
</div><p>查看 Conda 版本:</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre tabindex="0" class="chroma"><code><span class="lnt">1
</span></code></pre></td>
<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-shell" data-lang="shell"><span class="line"><span class="cl">conda --version
</span></span></code></pre></td></tr></table>
</div>
</div><h2 id="新建-conda-环境">新建 Conda 环境
</h2><p>新建 Conda 环境,Python 版本最好高于 <code>3.8</code>:</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre tabindex="0" 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 tabindex="0" class="chroma"><code class="language-shell" data-lang="shell"><span class="line"><span class="cl">conda create -n pytorch_learn <span class="nv">python</span> <span class="o">=</span> 3.10
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl">conda activate pytorch_learn
</span></span></code></pre></td></tr></table>
</div>
</div><h2 id="安装-pytorch">安装 PyTorch
</h2><p>根据 PyTorch 官网的提示安装:https://pytorch.org</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre tabindex="0" class="chroma"><code><span class="lnt">1
</span></code></pre></td>
<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-shell" data-lang="shell"><span class="line"><span class="cl">pip3 install torch torchvision torchaudio
</span></span></code></pre></td></tr></table>
</div>
</div><p>重装 <code>numpy</code>(非必须),有可能 PyTorch 自带的 <code>numpy</code> 版本过低,可以手动重装:</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre tabindex="0" class="chroma"><code><span class="lnt">1
</span><span class="lnt">2
</span></code></pre></td>
<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-shell" data-lang="shell"><span class="line"><span class="cl">pip3 uninstall numpy
</span></span><span class="line"><span class="cl">pip3 install numpy
</span></span></code></pre></td></tr></table>
</div>
</div><h2 id="配置-jupyter-gpu-kernel">配置 Jupyter GPU Kernel
</h2><p>为了使用 MaxOS M 芯片的 GPU,需要安装一个新的 Jupyter 内核:</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre tabindex="0" class="chroma"><code><span class="lnt">1
</span><span class="lnt">2
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</span></code></pre></td>
<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-shell" data-lang="shell"><span class="line"><span class="cl">conda activate pytorch_learn //注意替换成自己的虚拟环境名
</span></span><span class="line"><span class="cl">conda install ipykernel //安装ipykernel
</span></span><span class="line"><span class="cl">sudo python -m ipykernel install --name pytorch_learn //在ipykernel中安装当前环境
</span></span><span class="line"><span class="cl">conda deactivate
</span></span></code></pre></td></tr></table>
</div>
</div><p>启动 Jupyter 后切换 内核:</p>
<div style='display: flex; justify-content: center;'>
<img src='assets/kernel.jpg' alt='img' style='zoom:60%;' />
</div>
<h2 id="测试-pytorch">测试 PyTorch
</h2><div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre tabindex="0" class="chroma"><code><span class="lnt">1
</span><span class="lnt">2
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</span><span class="lnt">4
</span><span class="lnt">5
</span><span class="lnt">6
</span></code></pre></td>
<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-python" data-lang="python"><span class="line"><span class="cl"><span class="kn">import</span> <span class="nn">torch</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="nb">print</span><span class="p">(</span><span class="n">torch</span><span class="o">.</span><span class="n">backends</span><span class="o">.</span><span class="n">mps</span><span class="o">.</span><span class="n">is_available</span><span class="p">())</span>
</span></span><span class="line"><span class="cl"><span class="nb">print</span><span class="p">(</span><span class="n">torch</span><span class="o">.</span><span class="n">backends</span><span class="o">.</span><span class="n">mps</span><span class="o">.</span><span class="n">is_built</span><span class="p">())</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="n">device</span> <span class="o">=</span> <span class="n">torch</span><span class="o">.</span><span class="n">device</span><span class="p">(</span><span class="s2">&#34;mps&#34;</span> <span class="k">if</span> <span class="n">torch</span><span class="o">.</span><span class="n">backends</span><span class="o">.</span><span class="n">mps</span><span class="o">.</span><span class="n">is_available</span><span class="p">()</span> <span class="k">else</span> <span class="s2">&#34;cpu&#34;</span><span class="p">)</span>
</span></span></code></pre></td></tr></table>
</div>
</div></description>
</item>
<item>
<title>Awesome Beer</title>
<link>https://3000ye.com/p/awesome-beer/</link>
<pubDate>Wed, 31 Jul 2024 23:22:31 +0800</pubDate>
<guid>https://3000ye.com/p/awesome-beer/</guid>
<description><img src="https://3000ye.com/p/awesome-beer/assets/beer.webp" alt="Featured image of post Awesome Beer" /><h1 id="一名程序员此生喝过的所有啤酒">一名程序员此生喝过的所有啤酒
</h1><h2 id="力波啤酒-红">力波啤酒-红
</h2><h3 id="啤酒信息">啤酒信息
</h3><ul>
<li>品名:力波全麦芽啤酒·红力波</li>
<li>原料:水、麦芽、啤酒花、酵母</li>
<li>酒精度:4.1% vol</li>
<li>原麦汁浓度:11.0$^\circ$ P</li>
<li>条码:6974659850009</li>
<li>价格:10 元(路边超市购买)</li>
</ul>
<h3 id="品鉴结果">品鉴结果
</h3><ul>
<li>外观:酒体金黄,泡沫丰富绵密</li>
<li>香气:麦芽香,酵母香,甜中带酸</li>
<li>味道:甜、酸平衡,香气浓郁</li>
<li>口感:顺滑,柔中带强,收口清爽,不涩口</li>
<li>总体评价:8 分。上海本地啤酒,几乎所有路边超市都有卖,浓郁清爽的口感配得上它的价格,但算不上惊艳。</li>
</ul>
<h3 id="图片展示">图片展示
</h3><div style='display: flex; justify-content: center;'>
<img src='assets/力波-红.jpeg' alt='img' style='zoom:20%;' />
</div>
<h2 id="奥乐齐-全麦拉格啤酒">奥乐齐-全麦拉格啤酒
</h2><h3 id="啤酒信息-1">啤酒信息
</h3><ul>
<li>品名:德式全麦芽拉格鲜啤酒(奥乐齐)</li>
<li>原料:水、大麦芽、小麦芽、酵母、啤酒花</li>
<li>酒精度:4.8% vol</li>
<li>原麦汁浓度:12$^\circ$ P</li>
<li>条码:6959408002298</li>
<li>价格:7.9 元(奥乐齐购买)</li>
</ul>
<h3 id="品鉴信息">品鉴信息
</h3><ul>
<li>外观:酒体金黄,泡沫丰富绵密</li>
<li>香气:麦芽香,甜香</li>
<li>味道:麦芽风味浓郁</li>
<li>口感:酒体过于厚重,不够清冽,收口发涩</li>
<li>总体评价:6 分。奥乐齐自家推出的啤酒,虽然价格便宜但是口感较差(冰箱放过也一样),不加冰块完全没法喝。</li>
</ul>
<h3 id="图片展示-1">图片展示
</h3><div style='display: flex; justify-content: center;'>
<img src='assets/奥乐齐.jpeg' alt='img' style='zoom:20%;' />
</div>
<h2 id="bergkonig-烈性啤酒">BERGKONIG-烈性啤酒
</h2><h3 id="啤酒信息-2">啤酒信息
</h3><ul>
<li>品名:BERGKONIG-烈性啤酒(奥地利)</li>
<li>原料:水、大麦芽、啤酒花、二氧化碳酒花浸膏</li>
<li>酒精度:7.2% vol</li>
<li>原麦汁浓度:16.5$\circ$ P</li>
<li>条码:4061464598973</li>
<li>价格:7.1 元(奥乐齐购买)</li>
</ul>
<h3 id="品鉴信息-1">品鉴信息
</h3><ul>
<li>外观:酒体呈琥珀色,泡沫丰富但消的较快(可能是日期不够新鲜)</li>
<li>香气:麦芽香,酒香</li>
<li>味道:打开就喝会略微发苦,回温后甜度涌现,酒香和甜香四溢</li>
<li>口感:酒体干净,入喉顺畅,酒液不会附着在口腔中,入喉后舌头生津</li>
<li>总体评价:8.5 分。在低价位中少见的高麦度啤酒,酒体干净口感清冽,适当回温会激发更多甜香,可以当做小罗斯福来做口粮酒。</li>
</ul>
<h3 id="图片展示-2">图片展示
</h3><div style='display: flex; justify-content: center;'>
<img src='assets/BERGKONIG.jpeg' alt='img' style='zoom:20%;' />
</div>
<h2 id="一番榨-樱花限定版">一番榨-樱花限定版
</h2><h3 id="啤酒信息-3">啤酒信息
</h3><ul>
<li>品名:一番榨啤酒-樱花限定版</li>
<li>原料:水、麦芽、啤酒花</li>
<li>酒精度:4.5% vol</li>
<li>原麦汁浓度:11.0$\circ$ P</li>
<li>条码:6921014065332</li>
<li>价格:10 元(罗森购买)</li>
</ul>
<h3 id="品鉴结果-1">品鉴结果
</h3><ul>
<li>外观:酒体金黄色,泡沫丰富</li>
<li>香气:麦芽香</li>
<li>味道:麦芽风味浓郁</li>
<li>口感:非常好入喉,感觉酒液在嘴里一泄而过,口感清冽</li>
<li>总体评价:7 分。虽然香气和风味比之其他啤酒稍差,但是其入喉顺畅的特点太过突出。</li>
</ul>
<h3 id="图片展示-3">图片展示
</h3><div style='display: flex; justify-content: center;'>
<img src='assets/一番榨樱花版.jpeg' alt='img' style='zoom:20%;' />
</div>
<h2 id="燕京啤酒-原浆白啤">燕京啤酒-原浆白啤
</h2><h3 id="啤酒信息-4">啤酒信息
</h3><ul>
<li>品名:燕京啤酒-原浆白啤</li>
<li>原料:水、麦芽、啤酒花、酵母</li>
<li>酒精度:4.1% vol</li>
<li>原麦汁浓度:12$\circ$ P</li>
<li>条码:6903102105267</li>
<li>价格:9 元(罗森购买)</li>
</ul>
<h3 id="品鉴信息-2">品鉴信息
</h3><ul>
<li>外观:酒体金黄,泡沫丰富</li>
<li>香气:麦芽香</li>
<li>味道:麦芽风味浓郁</li>
<li>口感:入喉稍有阻塞感,收口偏涩</li>
<li>总体评价:6.8 分。总体表现一般,只能说过得去。</li>
</ul>
<h3 id="图片展示-4">图片展示
</h3><div style='display: flex; justify-content: center;'>
<img src='assets/燕京原浆白啤.jpeg' alt='img' style='zoom:20%;' />
</div></description>
</item>
<item>
<title>Swift Tutorial</title>
<link>https://3000ye.com/p/swift-tutorial/</link>
<pubDate>Thu, 25 Apr 2024 00:28:05 +0800</pubDate>
<guid>https://3000ye.com/p/swift-tutorial/</guid>
<description><img src="https://3000ye.com/p/swift-tutorial/assets/swift.png" alt="Featured image of post Swift Tutorial" /><h1 id="swift-教程">Swift 教程
</h1><h2 id="swift-基础">Swift 基础
</h2><h3 id="常量和变量">常量和变量
</h3><h4 id="声明常量和变量">声明常量和变量
</h4><p>在 Swift 中,常量使用 <code>let</code> 进行声明,变量使用 <code>var</code> 进行声明:</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
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<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-swift" data-lang="swift"><span class="line"><span class="cl"><span class="kd">let</span> <span class="nv">MAX</span> <span class="p">=</span> <span class="mi">10</span><span class="p">;</span>
</span></span><span class="line"><span class="cl"><span class="kd">var</span> <span class="nv">intVar</span> <span class="p">=</span> <span class="mi">20</span><span class="p">;</span>
</span></span></code></pre></td></tr></table>
</div>
</div><h4 id="类型注解">类型注解
</h4><p>在 Swift 中,程序会根据声明的值来自动分析标识符的类型,同时也提供了显示指定类型的方法:</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
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<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-swift" data-lang="swift"><span class="line"><span class="cl"><span class="kd">var</span> <span class="nv">intVar</span><span class="p">:</span><span class="n">int</span> <span class="p">=</span> <span class="mi">10</span><span class="p">;</span>
</span></span><span class="line"><span class="cl"><span class="kd">var</span> <span class="nv">doubleVar</span><span class="p">:</span><span class="n">double</span> <span class="p">=</span> <span class="mi">10</span><span class="p">;</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="bp">print</span><span class="p">(</span><span class="s">&#34;intVar = </span><span class="si">\(</span><span class="n">intVar</span><span class="si">)</span><span class="s">&#34;</span><span class="p">);</span>
</span></span><span class="line"><span class="cl"><span class="bp">print</span><span class="p">(</span><span class="s">&#34;doubleVar = </span><span class="si">\(</span><span class="n">doubleVar</span><span class="si">)</span><span class="s">&#34;</span><span class="p">)</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1">// --------------- 输出 --------------------</span>
</span></span><span class="line"><span class="cl"><span class="c1">// intVar = 10</span>
</span></span><span class="line"><span class="cl"><span class="c1">// doubleVar = 10.0</span>
</span></span></code></pre></td></tr></table>
</div>
</div><p>需要注意的是,若只不在声明时定义标识符的值,则必须指定类型:</p>
<div class="highlight"><div class="chroma">
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<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-swift" data-lang="swift"><span class="line"><span class="cl"><span class="kd">var</span> <span class="nv">testVar</span><span class="p">:</span> <span class="nb">String</span><span class="p">;</span>
</span></span><span class="line"><span class="cl"><span class="n">testVar</span> <span class="p">=</span> <span class="s">&#34;test var&#34;</span><span class="p">;</span>
</span></span><span class="line"><span class="cl"><span class="bp">print</span><span class="p">(</span><span class="n">testVar</span><span class="p">)</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="c1">// --------------- 输出 --------------------</span>
</span></span><span class="line"><span class="cl"><span class="c1">// test var</span>
</span></span></code></pre></td></tr></table>
</div>
</div><h3 id="整数">整数
</h3><p>Swift 提供了8、16、32和64位的有符号和无符号整数类型。</p>
<h4 id="整数范围">整数范围
</h4><p>可以访问不同整数类型的 <code>min</code> 和 <code>max</code> 属性来获取对应类型的最小值和最大值:</p>
<div class="highlight"><div class="chroma">
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<pre tabindex="0" class="chroma"><code><span class="lnt">1
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<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-swift" data-lang="swift"><span class="line"><span class="cl"><span class="kd">let</span> <span class="nv">minValue</span> <span class="p">=</span> <span class="nb">UInt8</span><span class="p">.</span><span class="bp">min</span> <span class="c1">// minValue 为 0,是 UInt8 类型</span>
</span></span><span class="line"><span class="cl"><span class="kd">let</span> <span class="nv">maxValue</span> <span class="p">=</span> <span class="nb">UInt8</span><span class="p">.</span><span class="bp">max</span> <span class="c1">// maxValue 为 255,是 UInt8 类型</span>
</span></span></code></pre></td></tr></table>
</div>
</div><h4 id="int-与-uint">Int 与 UInt
</h4><p>Swift 提供了一个特殊的整数类型 <code>Int</code>,长度与当前平台的原生字长相同:</p>
<ul>
<li>在 32 位平台上,<code>Int</code> 和 <code>Int32</code> 长度相同。</li>
<li>在 64 位平台上,<code>Int</code> 和 <code>Int64</code> 长度相同。</li>
</ul>
<p>同样的,<code>UInt</code> 的长度也与当前平台的原生字长相同。</p>
<h3 id="浮点数">浮点数
</h3><p>Swift 提供两种有符号浮点数类型:</p>
<ul>
<li><code>Double</code> 表示 64 位浮点数。</li>
<li><code>Float</code> 表示 32 位浮点数。</li>
</ul>
<h3 id="数值型字面量">数值型字面量
</h3><p>整数字面量可以被写作:</p>
<ul>
<li>一个 <strong>十进制</strong> 数:没有前缀</li>
<li>一个 <strong>二进制</strong> 数:前缀为 <code>0b</code></li>
<li>一个 <strong>八进制</strong> 数:前缀是 <code>0o</code></li>
<li>一个 <strong>十六进制</strong> 数:前缀是 <code>0x</code></li>
</ul>
<p>若想要用指数 <code>exp</code> 表示,则可在浮点数字面量后面添加大写或小写的 <code>e</code> 来指定。</p>
<div class="highlight"><div class="chroma">
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<pre tabindex="0" class="chroma"><code class="language-swift" data-lang="swift"><span class="line"><span class="cl"><span class="kd">let</span> <span class="nv">decInt</span> <span class="p">=</span> <span class="mi">10</span>
</span></span><span class="line"><span class="cl"><span class="kd">let</span> <span class="nv">binInt</span> <span class="p">=</span> <span class="mb">0b1011</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="kd">let</span> <span class="nv">expDouble</span> <span class="p">=</span> <span class="mf">1.25e2</span>
</span></span></code></pre></td></tr></table>
</div>
</div><h3 id="类型别名">类型别名
</h3><p>可以使用以下方法对指定类型定义一个别名:</p>
<div class="highlight"><div class="chroma">
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<pre tabindex="0" class="chroma"><code><span class="lnt">1
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<pre tabindex="0" class="chroma"><code class="language-swift" data-lang="swift"><span class="line"><span class="cl"><span class="kd">typealias</span> <span class="n">newType</span> <span class="p">=</span> <span class="nb">Int64</span>
</span></span></code></pre></td></tr></table>
</div>
</div><h3 id="布尔值">布尔值
</h3><p>在 Swift 中布尔值强制使用 <code>true</code> 和 <code>false</code> 来表示,<code>0</code> 和 <code>1</code> 不能作为布尔值进行判断。</p>
<h3 id="元组">元组
</h3><p>在 Swift 中的元组可以包含任意多个值,且这些值可以是任意类型:</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
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<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-swift" data-lang="swift"><span class="line"><span class="cl"><span class="c1">// 构造元组</span>
</span></span><span class="line"><span class="cl"><span class="kd">let</span> <span class="nv">tuple</span> <span class="p">=</span> <span class="p">(</span><span class="mi">10</span><span class="p">,</span> <span class="s">&#34;hello&#34;</span><span class="p">);</span>
</span></span><span class="line"><span class="cl"><span class="c1">// 拆分元组</span>
</span></span><span class="line"><span class="cl"><span class="kd">let</span> <span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">)</span> <span class="p">=</span> <span class="n">tuple</span><span class="p">;</span>
</span></span><span class="line"><span class="cl"><span class="kd">let</span> <span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="kc">_</span><span class="p">)</span> <span class="p">=</span> <span class="n">tuple</span><span class="p">;</span>
</span></span><span class="line"><span class="cl"><span class="c1">// 下标访问</span>
</span></span><span class="line"><span class="cl"><span class="kd">let</span> <span class="nv">z</span> <span class="p">=</span> <span class="n">tuple</span><span class="p">.</span><span class="mi">0</span><span class="p">;</span>
</span></span></code></pre></td></tr></table>
</div>
</div><p>和其他语言不同的是,Swift 的元组支持为元素命名,以实现便携的访问:</p>
<div class="highlight"><div class="chroma">
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<pre tabindex="0" class="chroma"><code class="language-swift" data-lang="swift"><span class="line"><span class="cl"><span class="kd">let</span> <span class="nv">nameTuple</span> <span class="p">=</span> <span class="p">(</span><span class="n">code</span><span class="p">:</span> <span class="mi">11</span><span class="p">,</span> <span class="n">des</span><span class="p">:</span> <span class="s">&#34;hello&#34;</span><span class="p">);</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="bp">print</span><span class="p">(</span><span class="n">nameTuple</span><span class="p">.</span><span class="n">code</span><span class="p">)</span>
</span></span></code></pre></td></tr></table>
</div>
</div><h3 id="可选类型">可选类型
</h3><p><strong>可选类型</strong>(options)用于处理值可能缺失的情况,其表示两种可能:</p>
<ul>
<li>有值,可以通过强制解析来访问这个值</li>
<li>没有值,等于 <code>nil</code></li>
</ul>
<p>例如,在类型转换时,不一定能成功转换:</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre tabindex="0" class="chroma"><code><span class="lnt">1
</span><span class="lnt">2
</span></code></pre></td>
<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-swift" data-lang="swift"><span class="line"><span class="cl"><span class="kd">let</span> <span class="nv">x</span> <span class="p">=</span> <span class="s">&#34;123&#34;</span><span class="p">,</span> <span class="n">y</span> <span class="p">=</span> <span class="s">&#34;hello&#34;</span><span class="p">;</span>
</span></span><span class="line"><span class="cl"><span class="bp">print</span><span class="p">(</span><span class="nb">Int</span><span class="p">(</span><span class="n">x</span><span class="p">),</span> <span class="nb">Int</span><span class="p">(</span><span class="n">y</span><span class="p">));</span>
</span></span></code></pre></td></tr></table>
</div>
</div><p>其中 <code>Int(x)</code> 有值,可以强制解析;而 <code>Int(y)</code> 没有值,等于 <code>nil</code>。</p>
<h4 id="nil"><code>nil</code>
</h4><p>对于没有值的变量,可以直接对其赋值 <code>nil</code> 来表示它没有值:</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre tabindex="0" class="chroma"><code><span class="lnt">1
</span><span class="lnt">2
</span></code></pre></td>
<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-swift" data-lang="swift"><span class="line"><span class="cl"><span class="kd">var</span> <span class="nv">x</span><span class="p">:</span><span class="nb">String</span><span class="p">?</span> <span class="p">=</span> <span class="s">&#34;hello&#34;</span><span class="p">;</span>
</span></span><span class="line"><span class="cl"><span class="n">x</span> <span class="p">=</span> <span class="kc">nil</span><span class="p">;</span>
</span></span></code></pre></td></tr></table>
</div>
</div><h4 id="强制解析">强制解析
</h4><p>对于可选类型的变量,如果确定其有值,则在其后面加一个 <code>!</code> 强制解析来访问其值:</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre tabindex="0" class="chroma"><code><span class="lnt">1
</span><span class="lnt">2
</span><span class="lnt">3
</span><span class="lnt">4
</span></code></pre></td>
<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-swift" data-lang="swift"><span class="line"><span class="cl"><span class="kd">var</span> <span class="nv">x</span> <span class="p">=</span> <span class="s">&#34;123&#34;</span><span class="p">;</span>
</span></span><span class="line"><span class="cl"><span class="kd">var</span> <span class="nv">y</span> <span class="p">=</span> <span class="nb">Int</span><span class="p">(</span><span class="n">x</span><span class="p">);</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="bp">print</span><span class="p">(</span><span class="n">y</span><span class="p">!);</span>
</span></span></code></pre></td></tr></table>
</div>
</div></description>
</item>
<item>
<title>Clear C++ Ch09: Function application</title>
<link>https://3000ye.com/p/clear-c-ch09-function-application/</link>
<pubDate>Thu, 21 Mar 2024 23:12:32 +0800</pubDate>
<guid>https://3000ye.com/p/clear-c-ch09-function-application/</guid>
<description><img src="https://3000ye.com/p/clear-c-ch09-function-application/assets/clearcpp.jpg" alt="Featured image of post Clear C++ Ch09: Function application" /><h1 id="函数的应用">函数的应用
</h1><h2 id="函数模板">函数模板
</h2><h3 id="函数模板和模板函数">函数模板和模板函数
</h3><p>当我们在编写函数时,若两个函数如下所示,只存在变量类型的差异:</p>
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<table class="lntable"><tr><td class="lntd">
<pre tabindex="0" 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 tabindex="0" class="chroma"><code class="language-cpp" data-lang="cpp"><span class="line"><span class="cl"><span class="kt">int</span> <span class="nf">intSolve</span><span class="p">(</span><span class="kt">int</span> <span class="n">a</span><span class="p">,</span> <span class="kt">int</span> <span class="n">b</span><span class="p">)</span> <span class="p">{</span> <span class="k">return</span> <span class="n">a</span> <span class="o">&gt;</span> <span class="n">b</span> <span class="o">?</span> <span class="nl">a</span> <span class="p">:</span> <span class="n">b</span><span class="p">;</span> <span class="p">}</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="kt">double</span> <span class="nf">doubleSolve</span><span class="p">(</span><span class="kt">double</span> <span class="n">a</span><span class="p">,</span> <span class="kt">double</span> <span class="n">b</span><span class="p">)</span> <span class="p">{</span> <span class="k">return</span> <span class="n">a</span> <span class="o">&gt;</span> <span class="n">b</span> <span class="o">?</span> <span class="nl">a</span> <span class="p">:</span> <span class="n">b</span><span class="p">;</span> <span class="p">}</span>
</span></span></code></pre></td></tr></table>
</div>
</div><p>此时我们当然可以直接复制其中一个函数,然后修改其中的类型来实现我们的需求,但是这样会增加代码的冗余和出错的可能性。</p>
<p>我们可以发现,如果不管变量是任何类型,函数都可以正常运行就好了。
在 <code>CPP</code> 中可以使用 <strong>泛型</strong> (genericity)函数来实现,基于泛型实现的函数称为 <strong>泛型函数</strong> :</p>
<div class="highlight"><div class="chroma">
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<pre tabindex="0" class="chroma"><code><span class="lnt">1
</span><span class="lnt">2
</span></code></pre></td>
<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-cpp" data-lang="cpp"><span class="line"><span class="cl"><span class="k">template</span> <span class="o">&lt;</span><span class="k">class</span> <span class="nc">T</span><span class="o">&gt;</span>
</span></span><span class="line"><span class="cl"><span class="n">T</span> <span class="n">solve</span><span class="p">(</span><span class="n">T</span> <span class="n">a</span><span class="p">,</span> <span class="n">T</span> <span class="n">b</span><span class="p">)</span> <span class="p">{</span> <span class="k">return</span> <span class="n">a</span> <span class="o">&gt;</span> <span class="n">b</span> <span class="o">?</span> <span class="nl">a</span> <span class="p">:</span> <span class="n">b</span><span class="p">;</span> <span class="p">}</span>
</span></span></code></pre></td></tr></table>
</div>
</div><p>其中前缀 <code>template &lt;class T&gt;</code> 表明接下来声明的是 <strong>函数模板</strong>(function template),而不是普通函数,接收的 <strong>类型</strong> 要赋给函数的形参 <code>T</code>(<code>T</code> 可以取任意名称)。</p>
<p>调用时直接使用函数模板即可:</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre tabindex="0" class="chroma"><code><span class="lnt">1
</span><span class="lnt">2
</span></code></pre></td>
<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-cpp" data-lang="cpp"><span class="line"><span class="cl"><span class="kt">long</span> <span class="n">a</span> <span class="o">=</span> <span class="mi">2</span><span class="p">,</span> <span class="n">b</span> <span class="o">=</span> <span class="mi">3</span><span class="p">;</span>
</span></span><span class="line"><span class="cl"><span class="n">cout</span> <span class="o">&lt;&lt;</span> <span class="n">solve</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">)</span> <span class="o">&lt;&lt;</span> <span class="n">endl</span><span class="p">;</span>
</span></span></code></pre></td></tr></table>
</div>
</div><p>在使用函数模板时,编译器会自动查找传入参数的类型,并将函数模板的 <code>T</code> 修改为对应类型,这样创建的函数实体称为 <strong>模板函数</strong>(template function)。</p>
<p>在创建模板函数时,如果传入的参数类型错误,则会引发报错:</p>
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<table class="lntable"><tr><td class="lntd">
<pre tabindex="0" 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></code></pre></td>
<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-cpp" data-lang="cpp"><span class="line"><span class="cl"><span class="kt">long</span> <span class="n">a</span> <span class="o">=</span> <span class="mi">2</span><span class="p">,</span> <span class="n">b</span> <span class="o">=</span> <span class="mi">3</span><span class="p">;</span>