全书采用动画图解，结构化地讲解数据结构与算法知识，内容清晰易懂，学习曲线平滑。 ‧ 算法源代码皆可一键运行，支持 Python、C++、Java、C#、Go、Swift、JavaScript、TypeScript、Dart、 Rust、C 和 Zig 等语言。 ‧ 鼓励读者在线上章节评论区互帮互助、共同进步，提问与评论通常可在两日内得到回复。 0.1.1 读者对象 若你是算法初学者，从未接触过算法，或者已经 (ES6) code snippets 。 3.（可选）在 VS Code 的插件市场中搜索 Prettier ，安装代码格式化工具。 8. Dart 环境 1. 下载并安装 Dart 。 2. 在 VS Code 的插件市场中搜索 dart ，安装 Dart 。 9. Rust 环境 1. 下载并安装 Rust 。 2. 在 VS Code 的插件市场中搜索 rust ，安装 rust‑analyzer

‧ 全书采用动画图解，结构化地讲解数据结构与算法知识，内容清晰易懂、学习曲线平滑。 ‧ 算法源代码皆可一键运行，支持 Java、C++、Python、Go、JS、TS、C#、Swift、Rust、Dart、Zig 等 语言。 ‧ 鼓励读者在章节讨论区互帮互助、共同进步，提问与评论通常可在两日内得到回复。 0.1.1 读者对象 若您是算法初学者，从未接触过算法，或者已经有一些刷题经验，对数据结构与算法有模糊的认识，在会与 Swift。 2. 在 VSCode 的插件市场中搜索 swift ，安装 Swift for Visual Studio Code。 9. Dart 环境 1. 下载并安装 Dart 。 2. 在 VSCode 的插件市场中搜索 dart ，安装 Dart 。 10. Rust 环境 1. 下载并安装 Rust。 2. 在 VSCode 的插件市场中搜索 rust ，安装 rust‑analyzer。

全书采用动画图解，结构化地讲解数据结构与算法知识，内容清晰易懂，学习曲线平滑。 ‧ 算法源代码皆可一键运行，支持 Python、C++、Java、C#、Go、Swift、JavaScript、TypeScript、Dart、 Rust、C 和 Zig 等语言。 ‧ 鼓励读者在线上章节评论区互帮互助、共同进步，提问与评论通常可在两日内得到回复。 0.1.1 读者对象 若你是算法初学者，从未接触过算法，或者已经 (ES6) code snippets 。 3.（可选）在 VS Code 的插件市场中搜索 Prettier ，安装代码格式化工具。 8. Dart 环境 1. 下载并安装 Dart 。 2. 在 VS Code 的插件市场中搜索 dart ，安装 Dart 。 9. Rust 环境 1. 下载并安装 Rust 。 2. 在 VS Code 的插件市场中搜索 rust ，安装 rust‑analyzer

3. 在 VS Code 的插件市场中搜索 typescript ，安装 Pretty TypeScript Errors 。 9. Dart 环境 1. 下载并安装 Dart 。 2. 在 VS Code 的插件市场中搜索 dart ，安装 Dart 。 10. Rust 环境 1. 下载并安装 Rust 。 2. 在 VS Code 的插件市场中搜索 rust ，安装 rust‑analyzer

在 VS Code 的擴充功能市場中搜索 typescript ，安裝 Pretty TypeScript Errors 。 9. Dart 環境 1. 下載並安裝 Dart 。 2. 在 VS Code 的擴充功能市場中搜索 dart ，安裝 Dart 。 10. Rust 環境 1. 下載並安裝 Rust 。 2. 在 VS Code 的擴充功能市場中搜索 rust ，安裝 rust‑analyzer

here’s an echo server: #!/usr/bin/env python import asyncio import websockets async def echo(websocket, path): async for message in websocket: await websocket.send(message) start_server = websockets websockets.serve(echo, "localhost", 8765) asyncio.get_event_loop().run_until_complete(start_server) asyncio.get_event_loop().run_forever() Do you like it? Let’s dive in! CONTENTS 1 websockets Documentation 3 Basic example Here’s a WebSocket server example. It reads a name from the client, sends a greeting, and closes the connection. #!/usr/bin/env python # WS server example import asyncio import websockets

Overview 109 8 Config file and command line options 113 9 Running a notebook server 139 10 Security in the Jupyter notebook server 147 11 Security in notebook documents 149 12 Distributing Jupyter Extensions address bar starts with http://localhost: or http://127.0.0.1:, it’s your computer acting as the server. Jupyter doesn’t send your data anywhere else—and as it’s open source, other people can check that being honest about this. You can also use Jupyter remotely: your company or university might run the server for you, for instance. If you want to work with sensitive data in those cases, talk to your IT or

Overview 109 8 Config file and command line options 113 9 Running a notebook server 139 10 Security in the Jupyter notebook server 147 11 Security in notebook documents 149 12 Distributing Jupyter Extensions address bar starts with http://localhost: or http://127.0.0.1:, it’s your computer acting as the server. Jupyter doesn’t send your data anywhere else—and as it’s open source, other people can check that being honest about this. You can also use Jupyter remotely: your company or university might run the server for you, for instance. If you want to work with sensitive data in those cases, talk to your IT or

Overview 107 8 Config file and command line options 111 9 Running a notebook server 137 10 Security in the Jupyter notebook server 145 11 Security in notebook documents 147 12 Distributing Jupyter Extensions address bar starts with http://localhost: or http://127.0.0.1:, it’s your computer acting as the server. Jupyter doesn’t send your data anywhere else—and as it’s open source, other people can check that being honest about this. You can also use Jupyter remotely: your company or university might run the server for you, for instance. If you want to work with sensitive data in those cases, talk to your IT or

Overview 105 8 Config file and command line options 109 9 Running a notebook server 129 10 Security in the Jupyter notebook server 137 11 Security in notebook documents 139 12 Distributing Jupyter Extensions address bar starts with http://localhost: or http://127.0.0.1:, it’s your computer acting as the server. Jupyter doesn’t send your data anywhere else—and as it’s open source, other people can check that being honest about this. You can also use Jupyter remotely: your company or university might run the server for you, for instance. If you want to work with sensitive data in those cases, talk to your IT or