Developer Cheatsheets
Free, comprehensive quick-reference guides for modern programming languages and tools. Perfect for interviews, exams, or everyday coding.
JavaScript Cheatsheet 2025
Comprehensive JS ES2025 cheatsheet covering arrow functions, destructuring, promises, async/await, array methods, classes, modules, optional chaining, etc.
Python 3.12 Cheatsheet
Python 3.12 quick reference with list comprehensions, decorators, context managers, generators, dataclasses, f-strings, walrus operator, and type hints.
TypeScript 5.x Cheatsheet
TypeScript 5.x cheat sheet covering interfaces, generics, utility types, type guards, conditional types, mapped types, template literals, and enums.
React 19 Hooks Cheatsheet
React 19 hooks reference including useState, useEffect, useRef, useMemo, useCallback, useContext, useReducer, useTransition, useDeferredValue, and useId.
SQL Cheatsheet
SQL commands cheat sheet covering SELECT, JOINs, GROUP BY, window functions, CTEs, indexes, constraints, and transactions for all major databases.
Linux Commands Cheatsheet
Linux commands quick reference: file operations, permissions, networking, processes, grep, awk, sed, systemd, ssh, and disk management.
Git Commands Cheatsheet
Git cheat sheet with essential commands: init, clone, add, commit, push, pull, branch, merge, rebase, stash, reset, cherry-pick and more.
Docker Cheatsheet
Docker cheat sheet covering build, run, exec, ps, images, volumes, networks, compose, and Dockerfile directives for container management.
Go Cheatsheet
Golang cheat sheet: variables, functions, structs, interfaces, goroutines, channels, defer, error handling, slices, and maps.
Rust Cheatsheet
Rust cheat sheet covering ownership, borrowing, lifetimes, structs, enums, match, traits, closures, iterators, and error handling with Result/Option.
CSS Cheatsheet
CSS cheat sheet for modern web design: flexbox, grid, variables, animations, media queries, transforms, selectors, and pseudo-classes.
Java 21 Cheatsheet
Java 21 cheat sheet including classes, generics, streams, lambdas, records, sealed classes, pattern matching, and virtual threads.