语法
语法 related cheatsheet collection - 4 quick reference guides. Find fast, copy directly. The essential online command reference for developers and SRE.
Python Cheatsheet - Command Reference
One-page Python cheatsheet covering variables, data types, strings, lists, dicts, functions, file I/O, exception handling, and more. Quick lookup, copy-ready.
ES6+ Cheatsheet - ES6+ JavaScript Syntax Reference
一页速查 ES6+ 常用语法，覆盖 let/const、箭头函数、解构赋值、Promise/async、模块化、类与继承、Map/Set 与迭代器等核心用法。快速查找，直接复制。
YAML Cheatsheet - YAML Syntax Reference
YAML 语法一页速查：键值对、列表、嵌套结构、多行字符串、锚点引用和类型转换，覆盖写配置文件的高频用法。
Markdown Cheatsheet - Markdown Syntax Reference
One-page Markdown syntax reference covering headings, text formatting, links & images, lists, code blocks, tables, blockquotes, and GFM extensions. For writing docs and READMEs. Quick lookup, copy and paste.