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<h3 id="传输层安全"><a href="#传输层安全" class="headerlink" title="传输层安全"></a>传输层安全</h3><p>安全套接层（Secure Socket Layer）协议，简称SSL，还有一个传输层安全（Transport Layer Security）协议， 简称TLS.</p>
<p>这里主要讲这个SSL，这些协议的目标之一是提供服务器和客户之间的认证、数据机密性和数据完整性。利用TCP服务的应用层的客户/服务器程序，可以将它们的数据封装在SSL报文（HTTPS）中。如果服务器和客户机具有运行SSL或者TLS程序的能力，那么客户机可以使用URLhttps://代替http://，以允许HTTP消息封装在SSL或者TLS报文中。安全传输</p>
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<p>网页性能最大因素是浏览器的重绘（reflow）和重排版（repaint）。React背后的 Virtual Dom就是尽可能地减少浏览器的重绘和重排版。</p>
<p>从react的渲染过程来看，如何防止不必要的渲染可能是最需要去解决的问题。然而针对这个问题，react官方提供了一个便捷的方法来解决，那就是pureRender。</p>
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<h2 id="下载Flutter-SDK包"><a href="#下载Flutter-SDK包" class="headerlink" title="下载Flutter SDK包"></a>下载Flutter SDK包</h2><p>网址：<a href="https://flutter.io/setup-macos/" target="_blank" rel="noopener">https://flutter.io/setup-macos/</a></p>
<p>下载之后解压，放置根目录</p>
<h2 id="配置环境变量"><a href="#配置环境变量" class="headerlink" title="配置环境变量"></a>配置环境变量</h2><p>由于我用on my zsh，所以在.zshrc配置</p>
<figure class="highlight js"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">path+=(<span class="string">'/Users/yourName/flutter/bin'</span>)</span><br><span class="line"><span class="keyword">export</span> PATH</span><br></pre></td></tr></table></figure>
<p>配置完</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">source ~/.zshrc</span><br></pre></td></tr></table></figure>
<p>完成这部以后，就算我们flutter的安装工作完成了，但是这还不能进行开发。可以使用命令来检测一下，是否安装完成了。</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">flutter -h</span><br></pre></td></tr></table></figure>
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<p>计算机基础知识</p>
<ul>
<li>看完计算机网络教程–自顶向下方法（目前20%）</li>
</ul>
<p>react的深入学习</p>
<ul>
<li>深入react技术栈（目前看完，差笔记总结）</li>
<li>源码学习</li>
<li>学习阿里的umi和dva以及roadhog</li>
</ul>
<p>移动端的学习</p>
<ul>
<li>flutter</li>
</ul>
<p>微信方面的学习</p>
<ul>
<li>小程序开发</li>
<li>公众号开发</li>
</ul>
<p>其他知识</p>
<ul>
<li>金融</li>
<li>投资</li>
<li>贾平凹文集</li>
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<a class="post-title-link" href="/2019/02/18/React 高效渲染策略/" itemprop="url">React 高效渲染策略</a></h1>
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<h2 id="前言"><a href="#前言" class="headerlink" title="前言"></a>前言</h2><blockquote>
<p>本文基于 react 16.3- 版本，所讨论的都是老版本的生命周期函数。</p>
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<p>React 作为一个视图框架，速度已经很快了，并且在 React16 新推出的 Fiber 架构中，通过时间切片及高优先级任务中断来尽快相应用户的操作。尽管如此，React 也并不能揣测出开发者真正的意图，如果开发者的代码没有遵循最佳实践，就容易造成性能上的负担。<br>
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<a class="post-title-link" href="/2019/02/15/30 分钟精通 React 新特性 React Hooks/" itemprop="url">30 分钟精通 React 新特性 React Hooks</a></h1>
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<p>你还在为该使用无状态组件（Function）还是有状态组件（Class）而烦恼吗？——拥有了 hooks，你再也不需要写 Class 了，你的所有组件都将是 Function。</p>
<p>你还在为搞不清使用哪个生命周期钩子函数而日夜难眠吗？——拥有了 Hooks，生命周期钩子函数可以先丢一边了。</p>
<p>你在还在为组件中的 this 指向而晕头转向吗？——既然 Class 都丢掉了，哪里还有 this？你的人生第一次不再需要面对 this。</p>
<p>这样看来，说 React Hooks 是今年最劲爆的新特性真的毫不夸张。如果你也对 react 感兴趣，或者正在使用 react 进行项目开发，答应我，请一定抽出至少 30 分钟的时间来阅读本文好吗？所有你需要了解的 React Hooks 的知识点，本文都涉及到了，相信完整读完后你一定会有所收获。<br>
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