Quick reference guides for the tools and languages you use every day. Bookmark these pages — use Ctrl+F to find what you need.
Languages#
| Cheat Sheet | What It Covers |
|---|
| Kotlin Cheat Sheet | Variables, null safety, collections, coroutines, scope functions |
| Jetpack Compose Cheat Sheet | Components, modifiers, state, navigation |
| Python Cheat Sheet | Syntax, data structures, comprehensions, f-strings |
| Rust Cheat Sheet | Ownership, borrowing, pattern matching, traits |
| JavaScript/TypeScript Cheat Sheet | ES6+, async/await, types, utility types |
| Cheat Sheet | What It Covers |
|---|
| Git Commands Cheat Sheet | Branching, merging, rebasing, undo, stash, tags |
| Docker Cheat Sheet | Containers, Dockerfile, Compose, volumes |
| SQL Cheat Sheet | SELECT, JOINs, aggregation, window functions, indexes |
| Linux/Terminal Cheat Sheet | File operations, permissions, pipes, processes |
Other#
| Cheat Sheet | What It Covers |
|---|
| AI Coding Tools Cheat Sheet | Claude, Cursor, Copilot — features, pricing, shortcuts |
| Regex Cheat Sheet | Patterns, quantifiers, groups, lookahead |
| Markdown Cheat Sheet | Headings, links, code blocks, tables, GitHub extensions |
Every cheat sheet is designed for quick lookup, not linear reading. They pair with our in-depth tutorial series: