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atom.xml
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<?xml version="1.0" encoding="utf-8"?>
<feed xmlns="http://www.w3.org/2005/Atom">
<title>M_Kepler</title>
<link href="/atom.xml" rel="self"/>
<link href="http://yoursite.com/"/>
<updated>2020-04-18T18:30:46.314Z</updated>
<id>http://yoursite.com/</id>
<author>
<name>M_Kepler</name>
</author>
<generator uri="http://hexo.io/">Hexo</generator>
<entry>
<title>vscode 远程开发</title>
<link href="http://yoursite.com/2019/07/14/vscode%E8%BF%9C%E7%A8%8B%E5%BC%80%E5%8F%91/"/>
<id>http://yoursite.com/2019/07/14/vscode远程开发/</id>
<published>2019-07-14T03:38:20.223Z</published>
<updated>2020-04-18T18:30:46.314Z</updated>
<content type="html"><![CDATA[<!-- TOC --><ul><li><a href="#场景描述">场景描述</a></li><li><a href="#解决方案">解决方案</a><ul><li><a href="#remote-ssh"><code>REMOTE-SSH</code></a></li><li><a href="#remote-vscode"><code>REMOTE VSCODE</code></a></li><li><a href="#sftp-⭐"><code>SFTP</code> ⭐</a></li></ul></li></ul><!-- /TOC --><h1 id="场景描述"><a href="#场景描述" class="headerlink" title="场景描述"></a>场景描述</h1><ul><li><p><code>Windows</code> 下用 <code>vscode</code> 进行开发</p></li><li><p><code>Linux</code> 服务器的内核被精简过，而且无法直接连接外网下载安装其他软件，只能从虚拟桌面下载后拷贝到服务器上进行离线安装</p></li><li><p>项目在远程服务器上，源代码的目录结构与安装部署之后的目录结构差异很大，比如 <code>B</code> 目录在源码中是 <code>A</code> 的子目录，但是安装之后 <code>B</code> 目录的文件将被移动到其他地方，库代码会安装到第三方库路径<code>/usr/lib/python2.7/site-packages/xx</code>下，有的代码会放到 <code>www/xxx cgi</code> 对应的路径下。因此在本地开发后拷贝到服务器上还要找对路径</p></li><li><p>如果是在本地编辑，编辑之后拷贝到服务器上运行，有时候需要修改的代码只有一点点，又迫切想看到效果，就会直接在服务器上进行修改，很容易出现单边问题</p></li></ul><h1 id="解决方案"><a href="#解决方案" class="headerlink" title="解决方案"></a>解决方案</h1><h2 id="REMOTE-SSH"><a href="#REMOTE-SSH" class="headerlink" title="REMOTE-SSH"></a><code>REMOTE-SSH</code></h2><ul><li><p>下载安装好 <code>remote-ssh</code></p></li><li><p>微软发布的远程开发工具套件中的一个，不幸的是这个插件连接服务器后会自动在服务器上下载安装 <code>.vscode-server</code>，但是我们的服务器是无法连接外网的，所以下载失败。</p></li><li><p>把 <code>vscode</code> 的输出打开，可以看到执行哪个脚本失败，找到这个安装脚本 <code>vscode-remote-install.xxxxx.sh</code>，手动执行里面的代码，在下载 <code>.vscode-server</code>的时候出错，手动通过虚拟桌面把这个文件下载下来，链接如下：</p><figure class="highlight sh"><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"><span class="comment"># 自行将 $COMMIT_ID 替换成 上面得到的数值</span></span><br><span class="line">https://update.code.visualstudio.com/commit:<span class="variable">$COMMIT_ID</span>/server-linux-x64/insider</span><br></pre></td></tr></table></figure></li><li><p>下载完放到服务器 <code>$HOME</code> 目录下后，接着执行脚本中剩下的步骤，最终目录如下</p><figure class="highlight sh"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br></pre></td><td class="code"><pre><span class="line">.vscode-server/</span><br><span class="line">├── bin</span><br><span class="line">│ └── xxxxx</span><br><span class="line">├── data</span><br><span class="line">│ ├── logs</span><br><span class="line">│ ├── Machine</span><br><span class="line">│ ├── machineid</span><br><span class="line">│ └── User</span><br><span class="line">└── extensions</span><br><span class="line"> └── ms-python.python-2019.5.18875</span><br></pre></td></tr></table></figure></li><li><p>好了，离线安装上了，应该可以正常链接了吧，通过 <code>vscode</code> 去链接远程服务器，发现报错 <code>g++</code> 版本不对，因为这台服务器的内核被精简过，很多软件包都缺失，离线安装新版本太痛苦；而且新的 <code>g++</code> 又可能因为版本不对导致项目运行不起来</p></li><li><p>因此，该方案不可行<br>如果能装上还是很不错的，装上之后在 <code>vscode</code> 可以直接检索打开远程机器上的文件夹，就像在本地开发一样。</p></li></ul><h2 id="REMOTE-VSCODE"><a href="#REMOTE-VSCODE" class="headerlink" title="REMOTE VSCODE"></a><code>REMOTE VSCODE</code></h2><ul><li><p><a href="https://www.cnblogs.com/learn21cn/p/6189023.html" target="_blank" rel="noopener">安装使用过程</a></p></li><li><p>缺点</p><ul><li>每次使用都需要先在本地执行一下 <code>ssh -R 52698:127.0.0.1:52698 [email protected]</code></li><li>远程机器上打开文件时需要指定端口 <code>rmate -p 52698 linux中的文件名称</code>，可以通过 <code>alias</code> 解决</li><li>只能编辑单个文件</li></ul></li><li><p>优点<br>编辑单个文件很方便，在<code>当前路径下的文件</code>可以直接在 <code>vscode</code> 上打开该文件，而不像 <code>sftp</code> 要慢慢找到路径再打开文件编辑</p></li></ul><h2 id="SFTP-⭐"><a href="#SFTP-⭐" class="headerlink" title="SFTP ⭐"></a><code>SFTP</code> ⭐</h2><blockquote><p>最终解决方案<br>在服务器上对应的文件夹下创建软链就 <code>ok</code> 了，比如安装后是在 <code>site-packages</code> 下，但是可以把代码上传到 <code>/root/source/</code> 然后创建一个软链到 <code>site-packages</code></p></blockquote><ul><li><p>插件配置 <code>sftp.json</code></p><figure class="highlight js"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br></pre></td><td class="code"><pre><span class="line">{</span><br><span class="line"> <span class="string">"name"</span>: <span class="string">"xxx"</span>,</span><br><span class="line"> <span class="string">"host"</span>: <span class="string">"xxx.xxx.xxx.xxx"</span>, <span class="comment">// 服务器IP</span></span><br><span class="line"> <span class="string">"protocol"</span>: <span class="string">"sftp"</span>,</span><br><span class="line"> <span class="string">"port"</span>: <span class="number">22</span>,</span><br><span class="line"> <span class="string">"username"</span>: <span class="string">"root"</span>, <span class="comment">// 登录用户名</span></span><br><span class="line"> <span class="string">"password"</span>: <span class="string">"xxxxxxxx"</span>, <span class="comment">// 登录密码</span></span><br><span class="line"> <span class="comment">// 在工作空间的文件夹上右键上传，就会把文件上传到以下路径</span></span><br><span class="line"> <span class="comment">// 如果源代码目录结构为 /A/B/xxx 而.vscode与B是【同级目录】</span></span><br><span class="line"> <span class="comment">// 上传后远程服务器路径为 /root/source/B/xxx</span></span><br><span class="line"> <span class="string">"remotePath"</span>: <span class="string">"/root/source"</span>,</span><br><span class="line"> <span class="string">"uploadOnSave"</span>: <span class="literal">false</span>,</span><br><span class="line"> <span class="string">"downloadOnOpen"</span>: <span class="literal">false</span>,</span><br><span class="line"> <span class="string">"ignore"</span>: [</span><br><span class="line"> <span class="string">".vscode"</span>,</span><br><span class="line"> <span class="string">".git"</span>,</span><br><span class="line"> <span class="string">".DS_Store"</span></span><br><span class="line"> ]</span><br><span class="line">}</span><br></pre></td></tr></table></figure></li><li><p>创建软链</p><figure class="highlight sh"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment"># 库</span></span><br><span class="line"><span class="built_in">cd</span> /usr/lib/python2.7/site-packages/</span><br><span class="line">ln -s /root/<span class="built_in">source</span>/B/xxx/lib/python/xxxlib</span><br><span class="line"></span><br><span class="line"><span class="comment"># 如果 xxxlib 中还包含其他目录的代码，也一样创建软链到xxxlib下就可以了</span></span><br><span class="line"><span class="built_in">cd</span> /root/<span class="built_in">source</span>/B/xxx/lib/python/xxxlib</span><br><span class="line">ln -s /root/<span class="built_in">source</span>/B/<span class="built_in">source</span>/src/daemon/xxxx</span><br></pre></td></tr></table></figure></li><li><p>配置之后就可以愉快地在本地打开源代码进行编辑，编辑完成之后右键<code>UPLOAD</code>就可以替换上去了，当然也可以设置本地保存立即上传，最关键的是通过 <code>软链</code> 来解决了项目代码结构和服务器代码结构不一致的问题</p></li></ul>]]></content>
<summary type="html">
<!-- TOC -->
<ul>
<li><a href="#场景描述">场景描述</a></li>
<li><a href="#解决方案">解决方案</a><ul>
<li><a href="#remote-ssh"><code>REMOTE-SSH</code></a></
</summary>
<category term="开发环境" scheme="http://yoursite.com/categories/%E5%BC%80%E5%8F%91%E7%8E%AF%E5%A2%83/"/>
<category term="vscode" scheme="http://yoursite.com/tags/vscode/"/>
<category term="python" scheme="http://yoursite.com/tags/python/"/>
</entry>
<entry>
<title>vscode+wsl搭建go和c++开发环境</title>
<link href="http://yoursite.com/2019/04/17/vscode+wsl%E6%90%AD%E5%BB%BAgo%E5%92%8Cc++%E5%BC%80%E5%8F%91%E7%8E%AF%E5%A2%83/"/>
<id>http://yoursite.com/2019/04/17/vscode+wsl搭建go和c++开发环境/</id>
<published>2019-04-17T08:05:28.825Z</published>
<updated>2020-04-18T18:22:03.743Z</updated>
<content type="html"><![CDATA[<!-- TOC --><ul><li><a href="#使用场景">使用场景</a></li><li><a href="#操作步骤">操作步骤</a><ul><li><a href="#开启-wsl并配置为-vscode-默认终端">开启 <code>wsl</code>，并配置为 <code>vscode</code> 默认终端</a></li><li><a href="#通过-bat-执行-bash-命令">通过 <code>bat</code> 执行 <code>bash</code> 命令</a></li><li><a href="#taskjson"><code>task.json</code></a></li><li><a href="#launchjson"><code>launch.json</code></a></li></ul></li><li><a href="#使用说明">使用说明</a><ul><li><a href="#make-工程"><code>make</code> 工程</a></li><li><a href="#配置-go">配置 <code>go</code></a></li></ul></li></ul><!-- /TOC --><h1 id="使用场景"><a href="#使用场景" class="headerlink" title="使用场景"></a>使用场景</h1><p>借助 <code>wsl</code> 在 <code>windows</code> 下进行 <code>linux</code> 环境开发</p><h1 id="操作步骤"><a href="#操作步骤" class="headerlink" title="操作步骤"></a>操作步骤</h1><h2 id="开启-wsl，并配置为-vscode-默认终端"><a href="#开启-wsl，并配置为-vscode-默认终端" class="headerlink" title="开启 wsl，并配置为 vscode 默认终端"></a>开启 <code>wsl</code>，并配置为 <code>vscode</code> 默认终端</h2><ul><li><a href="https://www.jianshu.com/p/3e627ff45ccb" target="_blank" rel="noopener">网上很多方法，这里不赘述</a></li></ul><h2 id="通过-bat-执行-bash-命令"><a href="#通过-bat-执行-bash-命令" class="headerlink" title="通过 bat 执行 bash 命令"></a>通过 <code>bat</code> 执行 <code>bash</code> 命令</h2><ul><li><p>装上 <code>WSL</code> 后，可以在 <code>bash</code> 下执行命令，但是如果想在 <code>windows</code> 系统下做开发的话，不能直接执行 <code>bash</code> 命令</p></li><li><p>可以通过 <code>cmd</code> 批处理命令来调用 <code>bash</code> 并执行 <code>shell</code> 命令，使用方法如下:</p><figure class="highlight bat"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line"><span class="function">C:\<span class="title">Users</span>\<span class="title">User_Name</span>><span class="title">bash</span> -<span class="title">c</span> " <span class="title">ls</span> ~/"</span></span><br></pre></td></tr></table></figure></li><li><p>写个批处理命令，来实现 <code>windows</code> 下用 <code>vscode</code> 写代码，然后在 <code>wsl</code> 下编译运行代码，这里路径有个问题，<code>windows</code>下路径是右斜杠，而<code>linux</code>下是左斜杠，所以利用批处理把右斜杠替换成左斜杠</p><figure class="highlight bat"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line"><span class="built_in">set</span> cpp_path=%<span class="number">1</span></span><br><span class="line"><span class="built_in">set</span> "cpp_path=<span class="variable">%cpp_path:\=/%</span>"</span><br><span class="line">bash -c "rm -f %<span class="number">2</span> && g++ --std=c++<span class="number">11</span> -g <span class="variable">%cpp_path%</span> -o %<span class="number">2</span> -lpthread && clear && <span class="built_in">time</span> %<span class="number">2</span>"</span><br></pre></td></tr></table></figure></li></ul><h2 id="task-json"><a href="#task-json" class="headerlink" title="task.json"></a><code>task.json</code></h2><ul><li>下面注释部分按照实际情况改写<figure class="highlight"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br></pre></td><td class="code"><pre><span class="line">{</span><br><span class="line"> <span class="attr">"version"</span>: <span class="string">"2.0.0"</span>,</span><br><span class="line"> <span class="attr">"tasks"</span>: [</span><br><span class="line"> {</span><br><span class="line"> "label": "make", // ctrl + shift + b 调出vscode task的时候显示的名称</span><br><span class="line"> "command": "${workspaceFolder}/.vscode/make.bat", // make.bat的路径</span><br><span class="line"> "args": [</span><br><span class="line"> // 传递给make.bat的参数 %1和%2</span><br><span class="line"> "${relativeFile}", // 当前打开文件的路径</span><br><span class="line"> "./debug/${fileBasenameNoExtension}.out" // 编译后文件输出路径</span><br><span class="line"> ],</span><br><span class="line"> "problemMatcher": {</span><br><span class="line"> "owner": "cpp",</span><br><span class="line"> "fileLocation": ["relative", "${workspaceRoot}"],</span><br><span class="line"> "pattern": {</span><br><span class="line"> "regexp": "^(.*):(\\d+):(\\d+):\\s+(warning|error):\\s+(.*)$",</span><br><span class="line"> "file": 1,</span><br><span class="line"> "line": 2,</span><br><span class="line"> "column": 3,</span><br><span class="line"> "severity": 4,</span><br><span class="line"> "message": 5</span><br><span class="line"> }</span><br><span class="line"> },</span><br><span class="line"> "group": {</span><br><span class="line"> "kind": "build",</span><br><span class="line"> "isDefault": true</span><br><span class="line"> }</span><br><span class="line"> }</span><br><span class="line"> ],</span><br><span class="line"> "sourceFileMap": {}</span><br><span class="line">}</span><br></pre></td></tr></table></figure></li></ul><h2 id="launch-json"><a href="#launch-json" class="headerlink" title="launch.json"></a><code>launch.json</code></h2><ul><li>下面注释部分按照实际情况改写<figure class="highlight"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br></pre></td><td class="code"><pre><span class="line">{</span><br><span class="line"> <span class="attr">"version"</span>: <span class="string">"0.2.0"</span>,</span><br><span class="line"> <span class="attr">"configurations"</span>: [</span><br><span class="line"> {</span><br><span class="line"> <span class="attr">"name"</span>: <span class="string">"(gdb)"</span>,</span><br><span class="line"> <span class="attr">"type"</span>: <span class="string">"cppdbg"</span>,</span><br><span class="line"> <span class="attr">"request"</span>: <span class="string">"launch"</span>,</span><br><span class="line"> <span class="attr">"program"</span>: <span class="string">"${fileBasenameNoExtension}.out"</span>,</span><br><span class="line"> <span class="attr">"args"</span>: [</span><br><span class="line"> // 调试时送给程序的参数相当于gdb中的 set args xxx</span><br><span class="line"> <span class="string">"test.log"</span>,</span><br><span class="line"> <span class="string">"100"</span></span><br><span class="line"> ],</span><br><span class="line"> "stopAtEntry": true, // 设为true时程序将暂停在程序入口处</span><br><span class="line"> "cwd": "/mnt/f/workspaces/c++/debug", // 调试程序时的工作目录</span><br><span class="line"> "environment": [],</span><br><span class="line"> "externalConsole": true,</span><br><span class="line"> "internalConsoleOptions": "openOnSessionStart",</span><br><span class="line"> "sourceFileMap": {</span><br><span class="line"> "/mnt/f/workspaces/c++/": "${workspaceFolder}" // 路径映射，修改路径为实际路径</span><br><span class="line"> },</span><br><span class="line"> "windows": {</span><br><span class="line"> "MIMode": "gdb",</span><br><span class="line"> "setupCommands": [</span><br><span class="line"> {</span><br><span class="line"> <span class="attr">"description"</span>: <span class="string">"Enable pretty-printing for gdb"</span>,</span><br><span class="line"> <span class="attr">"text"</span>: <span class="string">"-enable-pretty-printing"</span>,</span><br><span class="line"> <span class="attr">"ignoreFailures"</span>: <span class="literal">true</span></span><br><span class="line"> }</span><br><span class="line"> ]</span><br><span class="line"> },</span><br><span class="line"> "pipeTransport": {</span><br><span class="line"> "pipeCwd": "",</span><br><span class="line"> "pipeProgram": "c:\\Windows\\System32\\bash.exe",</span><br><span class="line"> "pipeArgs": ["-c"],</span><br><span class="line"> "debuggerPath": "/usr/bin/gdb"</span><br><span class="line"> }</span><br><span class="line"> }</span><br><span class="line"> ]</span><br><span class="line">}</span><br></pre></td></tr></table></figure></li></ul><h1 id="使用说明"><a href="#使用说明" class="headerlink" title="使用说明"></a>使用说明</h1><ul><li>一键 <code>F5</code> 编译运行<br>编译的时候实际就是通过 <code>cmd</code> 去执行 <code>bash</code> 命令，上面的例子中是先把 <code>debug</code> 下的 <code>.out</code> 删除，然后编译运行，可以直接在 <code>vscode</code> 的终端中看到运行结果</li></ul><h2 id="make-工程"><a href="#make-工程" class="headerlink" title="make 工程"></a><code>make</code> 工程</h2><ul><li>大点的工程都有 <code>makefile</code>，方法和上面的一样，只要改一下 <code>make.bat</code>就行了<figure class="highlight bat"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">bash -c "<span class="built_in">cd</span> src && make clean && make %<span class="number">1</span>"</span><br></pre></td></tr></table></figure></li></ul><h2 id="配置-go"><a href="#配置-go" class="headerlink" title="配置 go"></a>配置 <code>go</code></h2><ul><li><p><code>make.bat</code></p><figure class="highlight bat"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">bash -c "go run %<span class="number">1</span>"</span><br></pre></td></tr></table></figure></li><li><p><code>task.json</code></p><figure class="highlight"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br></pre></td><td class="code"><pre><span class="line">{</span><br><span class="line"> <span class="attr">"version"</span>: <span class="string">"2.0.0"</span>,</span><br><span class="line"> <span class="attr">"tasks"</span>: [</span><br><span class="line"> {</span><br><span class="line"> "label": "go", // 显示</span><br><span class="line"> "command": "${workspaceFolder}/.vscode/make.bat", // make.bat路径</span><br><span class="line"> "args": [</span><br><span class="line"> "/mnt/f/workspaces/go/${relativeFile}" // make.bat 的入参</span><br><span class="line"> ],</span><br><span class="line"> "problemMatcher": {</span><br><span class="line"> "owner": "go",</span><br><span class="line"> "fileLocation": ["relative", "${workspaceRoot}"],</span><br><span class="line"> "pattern": {</span><br><span class="line"> "regexp": "^(.*):(\\d+):(\\d+):\\s+(warning|error):\\s+(.*)$",</span><br><span class="line"> "file": 1,</span><br><span class="line"> "line": 2,</span><br><span class="line"> "column": 3,</span><br><span class="line"> "severity": 4,</span><br><span class="line"> "message": 5</span><br><span class="line"> }</span><br><span class="line"> },</span><br><span class="line"> "group": {</span><br><span class="line"> "kind": "build",</span><br><span class="line"> "isDefault": true</span><br><span class="line"> }</span><br><span class="line"> }</span><br><span class="line"> ],</span><br><span class="line"> "sourceFileMap": {}</span><br><span class="line">}</span><br></pre></td></tr></table></figure></li><li><p><code>launch.json</code></p><figure class="highlight"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br></pre></td><td class="code"><pre><span class="line">{</span><br><span class="line"> <span class="attr">"version"</span>: <span class="string">"0.2.0"</span>,</span><br><span class="line"> <span class="attr">"configurations"</span>: [</span><br><span class="line"> {</span><br><span class="line"> <span class="attr">"name"</span>: <span class="string">"golang"</span>,</span><br><span class="line"> <span class="attr">"type"</span>: <span class="string">"go"</span>,</span><br><span class="line"> <span class="attr">"request"</span>: <span class="string">"launch"</span>,</span><br><span class="line"> <span class="attr">"mode"</span>: <span class="string">"debug"</span>,</span><br><span class="line"> <span class="attr">"remotePath"</span>: <span class="string">""</span>,</span><br><span class="line"> <span class="attr">"port"</span>: <span class="number">2345</span>,</span><br><span class="line"> <span class="attr">"host"</span>: <span class="string">"127.0.0.1"</span>,</span><br><span class="line"> // "program": "${relativeFile}.go",</span><br><span class="line"> "program": "${workspaceRoot}/${relativeFile}",</span><br><span class="line"> "env": { "gopath": "F:\\workspaces\\golang" }, // $GOPATH路径</span><br><span class="line"> "args": [],</span><br><span class="line"> "showLog": true,</span><br><span class="line"> "trace": true</span><br><span class="line"> }</span><br><span class="line"> ]</span><br><span class="line">}</span><br></pre></td></tr></table></figure></li></ul>]]></content>
<summary type="html">
<!-- TOC -->
<ul>
<li><a href="#使用场景">使用场景</a></li>
<li><a href="#操作步骤">操作步骤</a><ul>
<li><a href="#开启-wsl并配置为-vscode-默认终端">开启 <code>wsl</cod
</summary>
<category term="开发环境" scheme="http://yoursite.com/categories/%E5%BC%80%E5%8F%91%E7%8E%AF%E5%A2%83/"/>
<category term="vscode" scheme="http://yoursite.com/tags/vscode/"/>
<category term="wsl" scheme="http://yoursite.com/tags/wsl/"/>
<category term="c++" scheme="http://yoursite.com/tags/c/"/>
</entry>
<entry>
<title>记一次Segment fault</title>
<link href="http://yoursite.com/2019/04/14/%E8%AE%B0%E4%B8%80%E6%AC%A1Segment%20fault/"/>
<id>http://yoursite.com/2019/04/14/记一次Segment fault/</id>
<published>2019-04-14T08:25:38.513Z</published>
<updated>2020-04-18T18:05:55.412Z</updated>
<content type="html"><![CDATA[<h1 id="重现"><a href="#重现" class="headerlink" title="重现"></a>重现</h1><ul><li><p>功能描述<br>把 <code>test.log</code> 文件每一行按照 <code>,</code> 进行切片，将一行中的所有分片存放到 <code>string</code> 数组中</p></li><li><p>样例<br><code>test.log</code> 中有很多行如下字符串</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">home,m_kepler,project</span><br></pre></td></tr></table></figure><p>目的是按照<code>,</code>切割，把子串存放到 string 数组中</p><figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line"><span class="built_in">string</span> strTmp[<span class="number">3</span>];</span><br><span class="line">strTmp[<span class="number">0</span>] = <span class="string">"home"</span></span><br><span class="line">strTmp[<span class="number">1</span>] = <span class="string">"m_kepler"</span></span><br><span class="line">strTmp[<span class="number">2</span>] = <span class="string">"project"</span></span><br></pre></td></tr></table></figure></li><li><p>出错的代码<br>这里不用 <code>strtok</code> 是因为 <code>,,</code> 也要算一个数据</p><figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br></pre></td><td class="code"><pre><span class="line">fstream test;</span><br><span class="line"><span class="keyword">char</span> delim[] = <span class="string">","</span>;</span><br><span class="line"><span class="built_in">string</span> strLine;</span><br><span class="line"><span class="built_in">string</span> szstrTmp [<span class="number">3</span>];</span><br><span class="line"></span><br><span class="line">test.open(<span class="string">"./debug/test.log"</span>, ios::binary | ios::in);</span><br><span class="line"><span class="keyword">if</span>(!test)</span><br><span class="line"> perror(<span class="string">"open"</span>);</span><br><span class="line"></span><br><span class="line"><span class="keyword">while</span>(getline(test, strLine))</span><br><span class="line">{</span><br><span class="line"> <span class="keyword">int</span> i = <span class="number">0</span>; <span class="comment">// error1</span></span><br><span class="line"> <span class="keyword">char</span> *orgstr = strdup(strLine.c_str()); <span class="comment">// error2</span></span><br><span class="line"> <span class="keyword">for</span> (token = strsep(&orgstr, delim); token != <span class="literal">NULL</span>; token = strsep(&orgstr, delim))</span><br><span class="line"> {</span><br><span class="line"> szstrTmp[i] = token;</span><br><span class="line"> i++;</span><br><span class="line"> }</span><br><span class="line"> <span class="built_in">free</span>(orgstr);</span><br><span class="line">}</span><br><span class="line"><span class="keyword">return</span> <span class="number">0</span>;</span><br></pre></td></tr></table></figure></li></ul><h1 id="分析"><a href="#分析" class="headerlink" title="分析"></a>分析</h1><ul><li><p>像下面这样把两个循环条件才出来，运行报错 <code>Segmentation fault (core dumped)</code></p><figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br></pre></td><td class="code"><pre><span class="line"><span class="built_in">string</span> szstrTmp[<span class="number">3</span>];</span><br><span class="line"><span class="keyword">while</span>(getline(test,line))</span><br><span class="line">{</span><br><span class="line"> <span class="keyword">int</span> j =<span class="number">0</span>;</span><br><span class="line"> <span class="keyword">for</span>(<span class="keyword">int</span> i =<span class="number">0</span>; i < <span class="number">10</span>; i++)</span><br><span class="line"> {</span><br><span class="line"> szstrTmp[j] = <span class="string">"aaaa"</span>; <span class="comment">// gdb 调试报错此行</span></span><br><span class="line"> j++;</span><br><span class="line"> }</span><br><span class="line">}</span><br></pre></td></tr></table></figure></li><li><p>在 <code>while</code> 循环中使用 <code>strdup</code>，运行报错 <code>munmap_chunk(): invalid pointer</code></p><figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br></pre></td><td class="code"><pre><span class="line"><span class="built_in">string</span> szstrTmp[<span class="number">3</span>];</span><br><span class="line"><span class="keyword">while</span>(getline(test, line))</span><br><span class="line">{</span><br><span class="line"> <span class="keyword">int</span> i = <span class="number">0</span>;</span><br><span class="line"> <span class="keyword">char</span> *orgstr = strdup(line.c_str());</span><br><span class="line"> <span class="keyword">for</span> (token = strsep(&orgstr, delim), i = <span class="number">0</span>; token != <span class="literal">NULL</span>, i != <span class="number">3</span>; token = strsep(&orgstr, delim), i++)</span><br><span class="line"> {</span><br><span class="line"> szstrTmp[i] = token;</span><br><span class="line"> }</span><br><span class="line"> <span class="built_in">free</span>(orgstr); <span class="comment">// gbd 调试报错在此行</span></span><br><span class="line">}</span><br></pre></td></tr></table></figure></li></ul><h1 id="修复"><a href="#修复" class="headerlink" title="修复"></a>修复</h1><ul><li><p>不使用 <code>strdup</code> 、<code>for</code> 循环里多个条件限制</p></li><li><p>修复后的代码</p><figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br></pre></td><td class="code"><pre><span class="line">fstream test;</span><br><span class="line"><span class="keyword">int</span> i = <span class="number">0</span>; <span class="comment">// ++++++</span></span><br><span class="line"><span class="keyword">char</span> delim[] = <span class="string">","</span>;</span><br><span class="line"><span class="built_in">string</span> strLine;</span><br><span class="line"><span class="built_in">string</span> szstrTmp [<span class="number">3</span>];</span><br><span class="line"></span><br><span class="line">test.open(<span class="string">"./debug/test.log"</span>, ios::binary | ios::in);</span><br><span class="line"><span class="keyword">if</span>(!test)</span><br><span class="line"> perror(<span class="string">"open"</span>);</span><br><span class="line"></span><br><span class="line"><span class="keyword">while</span>(getline(test, strLine))</span><br><span class="line">{</span><br><span class="line"> <span class="comment">// int i = 0; // error1 // ------</span></span><br><span class="line"> <span class="comment">// char *orgstr = strdup(strLine.c_str()); // error2 // ------</span></span><br><span class="line"></span><br><span class="line"> <span class="keyword">char</span> *orgstr = <span class="keyword">const_cast</span><<span class="keyword">char</span>*>(strLine.c_str());</span><br><span class="line"> <span class="comment">// for (token = strsep(&orgstr, delim), i = 0; token != NULL; token = strsep(&orgstr, delim)) // ------</span></span><br><span class="line"> <span class="keyword">for</span> (token = strsep(&orgstr, delim), i = <span class="number">0</span>; token != <span class="literal">NULL</span>, i < <span class="number">3</span>; token = strsep(&orgstr, delim), i++) <span class="comment">// ++++++</span></span><br><span class="line"> {</span><br><span class="line"> szstrTmp[i] = token;</span><br><span class="line"> <span class="comment">// i++; // ------</span></span><br><span class="line"> }</span><br><span class="line"> <span class="comment">// free(orgstr); // ------</span></span><br><span class="line">}</span><br><span class="line"><span class="keyword">return</span> <span class="number">0</span>;</span><br></pre></td></tr></table></figure></li></ul>]]></content>
<summary type="html">
<h1 id="重现"><a href="#重现" class="headerlink" title="重现"></a>重现</h1><ul>
<li><p>功能描述<br>把 <code>test.log</code> 文件每一行按照 <code>,</code> 进行切片，将
</summary>
<category term="Other" scheme="http://yoursite.com/categories/Other/"/>
<category term="Bug" scheme="http://yoursite.com/tags/Bug/"/>
</entry>
<entry>
<title>Hello World</title>
<link href="http://yoursite.com/2019/04/13/hello-world/"/>
<id>http://yoursite.com/2019/04/13/hello-world/</id>
<published>2019-04-13T05:53:38.839Z</published>
<updated>2020-04-18T18:27:27.070Z</updated>
<content type="html"><![CDATA[<div class="note info"> <p>quote test</p> </div><blockquote><p><a href="https://www.cnblogs.com/trista222/p/8017300.html" target="_blank" rel="noopener">结合hexo在GitHub上搭建个人博客——全过程</a></p></blockquote><p>Welcome to <a href="https://hexo.io/" target="_blank" rel="noopener">Hexo</a>! This is your very first post. Check <a href="https://hexo.io/docs/" target="_blank" rel="noopener">documentation</a> for more info. If you get any problems when using Hexo, you can find the answer in <a href="https://hexo.io/docs/troubleshooting.html" target="_blank" rel="noopener">troubleshooting</a> or you can ask me on <a href="https://github.com/hexojs/hexo/issues" target="_blank" rel="noopener">GitHub</a>.</p><h2 id="Quick-Start"><a href="#Quick-Start" class="headerlink" title="Quick Start"></a>Quick Start</h2><h3 id="Create-a-new-post"><a href="#Create-a-new-post" class="headerlink" title="Create a new post"></a>Create a new post</h3><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line"><span class="variable">$hexo</span> new <span class="string">"My New Post"</span></span><br></pre></td></tr></table></figure><p>More info: <a href="https://hexo.io/docs/writing.html" target="_blank" rel="noopener">Writing</a></p><h3 id="Run-server"><a href="#Run-server" class="headerlink" title="Run server"></a>Run server</h3><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line"><span class="variable">$hexo</span> server</span><br></pre></td></tr></table></figure><p>More info: <a href="https://hexo.io/docs/server.html" target="_blank" rel="noopener">Server</a></p><h3 id="Generate-static-files"><a href="#Generate-static-files" class="headerlink" title="Generate static files"></a>Generate static files</h3><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line"><span class="variable">$hexo</span> generate</span><br></pre></td></tr></table></figure><p>More info: <a href="https://hexo.io/docs/generating.html" target="_blank" rel="noopener">Generating</a></p><h3 id="Deploy-to-remote-sites"><a href="#Deploy-to-remote-sites" class="headerlink" title="Deploy to remote sites"></a>Deploy to remote sites</h3><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line"><span class="variable">$hexo</span> deploy</span><br></pre></td></tr></table></figure><p>More info: <a href="https://hexo.io/docs/deployment.html" target="_blank" rel="noopener">Deployment</a></p>]]></content>
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<p>quote test</p>
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<p><a href="https://www.cnblogs.com/trista222/p/8017300.
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