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📚 Developer Cheat Sheets

Free programming references with search & copy-to-clipboard

11 cheat sheets • 900+ code examples • 100% free

🐍

Python

100+ snippets

Variables, strings, lists, dicts, functions, classes, file I/O, standard library

JavaScript

128 snippets

ES6+, arrays, objects, promises, async/await, DOM, fetch API

🔷

TypeScript

87 examples

Types, interfaces, generics, utility types, mapped types, decorators

⚛️

React Hooks

49 examples

useState, useEffect, useRef, React 18/19 hooks, custom hooks

🗄

SQL

90+ queries

SELECT, JOINs, CTEs, window functions, indexes, JSON (PostgreSQL)

🎨

CSS

114 properties

Flexbox, Grid, animations, responsive design, modern CSS

🐧

Linux Commands

102 commands

Files, processes, networking, permissions, systemd, cron

🔍

Regex

67 patterns

Basic patterns, quantifiers, lookahead/behind, common patterns

🔀

Git

119 commands

Branching, merging, rebasing, stashing, tags, conventional commits

💻

Bash Scripting

87 examples

Variables, loops, functions, text processing, best practices

🐳

Docker

95+ commands

Containers, images, volumes, networks, Compose, Dockerfile

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