# macOS（推荐 Homebrew）brew install --cask visual-studio-code
# Windows / Linux
# 访问 https://code.visualstudio.com 下载安装包
# 安装时务必勾选 "添加到 PATH"
    

      Ctrl+Shift+P   
# Windows / Linux 打开命令面板Cmd+Shift+P     
# macOS
# 输入 "theme" 切换主题
# 输入 "font size" 调整字号
# 输入 "toggle sidebar" 隐藏侧边栏
    

      # 在终端进入你的项目文件夹cd ~/Desktop/my-projectcode .              
# 用 VSCode 打开当前文件夹code ~/Desktop/my-project   
# 等价写法
    

      菜单 File → Add Folder to Workspace...    → 添加多个文件夹后菜单 File → Save Workspace As...    → 保存为 project.code-workspace
    

      # 选中代码后：Tab           
# 增加缩进Shift+Tab     
# 减少缩进
# 格式化整个文档：Shift+Alt+F   
# Windows / LinuxShift+Option+F 
# macOS
# 格式化选中部分：Ctrl+K Ctrl+F
    

      {  "files.autoSave": "afterDelay",  "files.autoSaveDelay": 1000}
    

      # 选中一个词后：Ctrl+D          
# 选中下一个相同词 (macOS: Cmd+D)Ctrl+Shift+L  
# 一次性选中所有相同词Ctrl+K Ctrl+D  
# 跳过当前，选下一个Ctrl+U          
# 撤销上一个选区 (回退)
    

      Shift+Alt+拖动鼠标   
# 矩形选区Ctrl+Shift+Alt+↓/↑  
# 键盘列选择 (向下/上加光标)
    

      // 操作：选中 userName，按 Ctrl+D 三次选中全部，
// 然后直接输入新名字 user_namelet userName = getUserName();saveUser(userName);
    

      Ctrl+Shift+F   
# 全局搜索 (macOS: Cmd+Shift+F)
    

      # 查找所有 console.log 语句（方便清理调试代码）console.log(.*)
# 查找所有 TODO 注释//s*TODO.*
# 查找手机号（简单版）1[3-9]d{9}
    

      Ctrl+Shift+O   
# 当前文件的符号 (函数/类) 列表Ctrl+T       
# 全工作区符号搜索F12        
# 跳转到光标处符号的定义Alt+F12      
#  peek 窥视定义 (不跳转，弹窗预览)
    

      Ctrl+`          
# 打开/关闭终端 (macOS: Ctrl+`)Ctrl+Shift+`   
# 新建一个终端实例
    

      # 编译gcc main.c -o main -Wall
# 运行./main
    

      # 编译javac HelloWorld.java
# 运行 (注意不带 .class)java HelloWorld
    

      # 直接运行python3 main.py
# 交互式python3 -i main.py
    

      {  "terminal.integrated.fontSize": 14,  "terminal.integrated.scrollback": 10000,  "terminal.integrated.copyOnSelection": true}
    

      # 状态栏左下角：  main ↓2 ↑1    
# 落后远程2个提交，领先1个
# 点击分支名 → 创建/切换分支
# 点击同步图标 (↻) → git pull + git push
    

      <<<<<<< HEAD你的改动=======远程的改动>>>>>>> branch-name
# VSCode 提供 4 个按钮：Accept Current  
# 只保留你的Accept Incoming 
# 只保留远程的Accept Both     
# 两个都保留Compare         
# 对比两个版本
    

      # 普通断点：点行号左侧空白
# 条件断点：右键行号空白 → Add Conditional Breakpoint
#   表达式为 true 时才暂停，如: i == 50
# 日志断点：右键 → Add Logpoint
#   不暂停，只打印消息（替代 print 调试）F9   
# 切换当前行断点
    

      {  "version": "0.2.0",  "configurations": [    {      "name": "Python: Current File",      "type": "python",      "request": "launch",      "program": "${file}",      "console": "integratedTerminal",      "justMyCode": true    }  ]}
    

      {  "Print debug": {    "prefix": "pdb",    "body": [      "print(f'{$1} = {$1}')",      "$2"    ],    "description": "快速打印变量调试"  },  "For loop": {    "prefix": "ffor",    "body": [      "for ${1:i} in range(${2:10}):",      "    ${3:pass}"    ]  }}
    

      # 输入下面缩写后按 Tab：div.container
→ <div class="container"></div>ul>li*3
→ <ul>     <li></li>     <li></li>     <li></li>   </ul>button.btn.btn-primary{点击我}
→ <button class="btn btn-primary">点击我</button>
# CSS 缩写：m10 → margin: 10px;p20-30 → padding: 20px 30px;d:f → display: flex;
    

      Ctrl+,                    
# 打开设置 UICtrl+Shift+P → "Open Settings (JSON)"  
# 打开 JSON
    

      {  
// 编辑器  "editor.fontSize": 15,  "editor.fontFamily": "'JetBrains Mono', Consolas, monospace",  "editor.tabSize": 4,  "editor.formatOnSave": true,  "editor.minimap.enabled": false,  "editor.wordWrap": "on",  
// 文件  "files.autoSave": "afterDelay",  "files.trimTrailingWhitespace": true,  
// 终端  "terminal.integrated.fontSize": 14,  
// 搜索  "search.exclude": {    "**/node_modules": true,    "**/.git": true,    "**/dist": true  }}
    

      # 打开快捷键设置Ctrl+K Ctrl+S
# keybindings.json 中自定义示例：[  {    "key": "ctrl+shift+c",    "command": "editor.action.commentLine",    "when": "editorTextFocus"  }]
    

      # 方法一：菜单File → Add Folder to Workspace... → 选第二个文件夹File → Save Workspace As... → 保存为 my-project.code-workspace
# 方法二：命令行code folder1 folder2   
# 同时打开多个文件夹
    

      {  "folders": [    { "path": "frontend" },    { "path": "backend" },    { "path": "docs" }  ],  "settings": {    "editor.fontSize": 15  }}
    

      {  "version": "2.0.0",  "tasks": [    {      "label": "build C",      "type": "shell",      "command": "gcc",      "args": ["${file}", "-o", "${fileDirname}/${fileBasenameNoExtension}", "-Wall"],      "group": { "kind": "build", "isDefault": true },      "problemMatcher": ["$gcc"]    }  ]}
    

      {  "recommendations": [    "ms-python.python",    "esbenp.prettier-vscode"  ]}
    

      # 1. 安装扩展：Remote - SSH (ms-vscode-remote.remote-ssh)
# 2. 命令面板 → Remote-SSH: Connect to Host
# 3. 输入 ssh user@hostname
# 4. VSCode 会在远程安装一个 server 组件
# 5. 连上后，File → Open Folder 打开远程目录
    

      Host school-server  HostName 192.168.1.100  User student  Port 22  IdentityFile ~/.ssh/id_rsa
    

      {  "name": "C Dev Environment",  "image": "gcc:latest",  "extensions": ["ms-vscode.cpptools"],  "postCreateCommand": "gcc --version"}
    

      # 1. 安装扩展：Live Share (ms-vsliveshare.vsliveshare)
# 2. 点击状态栏/活动栏的 Live Share 图标
# 3. "Share" 生成一个链接，发给同学
# 4. 同学点链接，在浏览器/VSCode 中加入
# 5. 双方实时编辑，可共享终端和服务器调试
    

      mkdir todo-cli && cd todo-cligit initcode .   
# 用 VSCode 打开
    

      todo-cli/├── .vscode/│   ├── launch.json      
# 调试配置│   ├── tasks.json       
# 运行任务│   └── settings.json    
# 项目设置├── main.py              
# 程序入口├── todo.py              
# 核心逻辑└── README.md            
# 说明文档
    

      class TodoList:    def __init__(self):        self.items = []    def add(self, text):        self.items.append({"text": text, "done": False})        print("f"Added: {text}"")    def complete(self, index):        if 0 len(self.items):            self.items[index]["done"] = True            print("f"Completed: {self.items[index]['text']}"")    def show(self):        for i, item in enumerate(self.items):            mark = "✓" if item["done"] else "○"            print("f"{i}. [{mark}] {item['text']}"")
    

      {  "version": "0.2.0",  "configurations": [{    "name": "Debug Todo",    "type": "python",    "request": "launch",    "program": "${workspaceFolder}/main.py",    "args": ["add", "写完作业"],    "console": "integratedTerminal"  }]}