Developer Cheat Sheets
Quick reference guides for the tools and languages you use every day. Bookmark your favorites.
Regex Cheat Sheet
Quick reference for regular expression syntax. Character classes, quantifiers, anchors, groups, lookaheads, and common p...
View cheat sheet →Git Cheat Sheet
Essential Git commands in one page. Setup, branching, committing, merging, stashing, and undoing changes — the commands ...
View cheat sheet →Markdown Cheat Sheet
Complete Markdown syntax reference. Headings, links, images, code blocks, tables, task lists — everything you need for G...
View cheat sheet →HTTP Status Codes Cheat Sheet
Complete HTTP status code reference. 1xx informational, 2xx success, 3xx redirection, 4xx client errors, 5xx server erro...
View cheat sheet →Cron Cheat Sheet
Cron expression syntax explained. Fields, special characters, common schedules, and examples — the quick reference for c...
View cheat sheet →CSS Flexbox Cheat Sheet
Complete CSS Flexbox reference. Container and item properties, alignment, wrapping, ordering — everything you need to ma...
View cheat sheet →JavaScript Cheat Sheet
Essential JavaScript syntax and methods in one page. Variables, arrays, objects, string methods, DOM manipulation, async...
View cheat sheet →TypeScript Cheat Sheet
TypeScript type system quick reference. Basic types, interfaces, generics, utility types, type guards, and common patter...
View cheat sheet →Docker Cheat Sheet
Essential Docker commands in one page. Images, containers, volumes, networks, Docker Compose, and troubleshooting — the ...
View cheat sheet →SQL Cheat Sheet
Essential SQL commands in one page. SELECT, JOIN, WHERE, GROUP BY, subqueries, window functions, and data manipulation —...
View cheat sheet →Python Cheat Sheet
Quick reference for Python syntax, data structures, string methods, list comprehensions, file I/O, and common patterns. ...
View cheat sheet →Bash Cheat Sheet
Quick reference for Bash shell commands, scripting syntax, file operations, text processing, and common one-liners. Esse...
View cheat sheet →YAML Cheat Sheet
Quick reference for YAML syntax: scalars, sequences, mappings, anchors, multi-line strings, and common patterns for conf...
View cheat sheet →npm Cheat Sheet
Quick reference for npm commands, package.json fields, version ranges, scripts, and common patterns. Everything you need...
View cheat sheet →HTML Cheat Sheet
Quick reference for HTML5 tags, attributes, and semantic elements. Document structure, forms, tables, media, and meta ta...
View cheat sheet →CSS Grid Cheat Sheet
Quick reference for CSS Grid Layout. Grid container and item properties, template areas, alignment, auto-fit/fill, and r...
View cheat sheet →React Cheat Sheet
Quick reference for React hooks, JSX syntax, component patterns, state management, and common recipes. React 18+ pattern...
View cheat sheet →Tailwind CSS Cheat Sheet
Quick reference for Tailwind CSS utility classes. Spacing, colors, typography, flexbox, grid, responsive design, and dar...
View cheat sheet →Go Cheat Sheet
Essential Go (Golang) syntax and patterns. Variables, functions, structs, interfaces, goroutines, channels, error handli...
View cheat sheet →Rust Cheat Sheet
Essential Rust syntax and concepts. Ownership, borrowing, lifetimes, pattern matching, traits, enums, error handling, an...
View cheat sheet →Kubernetes Cheat Sheet
Essential kubectl commands and Kubernetes concepts. Pods, deployments, services, configmaps, secrets, namespaces, and co...
View cheat sheet →CSS Animation Cheat Sheet
CSS animations and transitions quick reference. @keyframes, animation properties, transition timing, transforms, and com...
View cheat sheet →GraphQL Cheat Sheet
Quick reference for GraphQL syntax. Queries, mutations, subscriptions, schema definition, types, directives, and fragmen...
View cheat sheet →Redis Cheat Sheet
Quick reference for Redis commands. Strings, hashes, lists, sets, sorted sets, pub/sub, and common operations — all in o...
View cheat sheet →Vim Cheat Sheet
Quick reference for essential Vim commands. Navigation, editing, search, visual mode, buffers, and macros — everything y...
View cheat sheet →Linux Commands Cheat Sheet
Quick reference for essential Linux terminal commands. File management, permissions, processes, networking, text process...
View cheat sheet →Next.js Cheat Sheet
Quick reference for Next.js 14+ with App Router. File conventions, routing, data fetching, server components, API routes...
View cheat sheet →AWS CLI Cheat Sheet
Quick reference for AWS CLI commands. S3, EC2, Lambda, IAM, CloudFormation, ECS, and more — the most-used AWS commands i...
View cheat sheet →PostgreSQL Cheat Sheet
Quick reference for PostgreSQL. Connection, CRUD, joins, indexes, JSON, window functions, and administration — all in on...
View cheat sheet →JSON Cheat Sheet
Quick reference for JSON syntax, data types, common patterns, and gotchas. Validation rules, nested structures, and work...
View cheat sheet →Nginx Cheat Sheet
Quick reference for Nginx configuration, common directives, reverse proxy setup, SSL, load balancing, and useful command...
View cheat sheet →MongoDB Cheat Sheet
Quick reference for MongoDB queries, CRUD operations, aggregation pipeline, indexes, and mongosh commands. All essential...
View cheat sheet →GitHub Actions Cheat Sheet
Quick reference for GitHub Actions workflow syntax, triggers, job configuration, common actions, and secrets. Build CI/C...
View cheat sheet →Jest Cheat Sheet
Quick reference for Jest testing framework. Matchers, mocks, spies, async testing, setup/teardown, and common patterns —...
View cheat sheet →Webpack Cheat Sheet
Quick reference for Webpack configuration. Entry, output, loaders, plugins, dev server, optimization, and common pattern...
View cheat sheet →Vite Cheat Sheet
Quick reference for Vite build tool. Commands, config options, plugins, environment variables, and optimization tips — a...
View cheat sheet →Svelte Cheat Sheet
Quick reference for Svelte framework. Reactivity, components, bindings, events, stores, and lifecycle — all in one page....
View cheat sheet →Django Cheat Sheet
Quick reference for Django framework. Commands, models, views, URLs, templates, forms, and ORM queries — all in one page...
View cheat sheet →Express.js Cheat Sheet
Quick reference for Express.js — routing, middleware, request/response, error handling, and REST API patterns. All essen...
View cheat sheet →Vue.js Cheat Sheet
Quick reference for Vue.js 3 — Composition API, reactivity, directives, components, lifecycle hooks, and computed proper...
View cheat sheet →Flutter Cheat Sheet
Quick reference for Flutter — widgets, state management, layout, navigation, and common patterns. All essential Flutter/...
View cheat sheet →Terraform Cheat Sheet
Quick reference for Terraform — CLI commands, HCL syntax, providers, resources, variables, modules, and state management...
View cheat sheet →Angular Cheat Sheet
Quick reference for Angular 17+ — standalone components, signals, templates, directives, routing, forms, pipes, and life...
View cheat sheet →FastAPI Cheat Sheet
Quick reference for FastAPI — app setup, path operations, request/response models, dependency injection, middleware, COR...
View cheat sheet →Prisma Cheat Sheet
Quick reference for Prisma ORM — schema definition, model fields, relations, CRUD operations, filtering, sorting, migrat...
View cheat sheet →Elixir Cheat Sheet
Quick reference for Elixir — basics, pattern matching, collections, functions, modules, processes, OTP, pipe operator, a...
View cheat sheet →Deno Cheat Sheet
Quick reference for Deno — runtime commands, permissions, HTTP server, file system, testing, and TypeScript-first patter...
View cheat sheet →Bun Cheat Sheet
Quick reference for Bun — runtime commands, package management, HTTP server, file I/O, testing, and bundler. All essenti...
View cheat sheet →htmx Cheat Sheet
Quick reference for htmx — core attributes, request types, targets, swapping, triggers, events, and common patterns. All...
View cheat sheet →Astro Cheat Sheet
Quick reference for Astro — components, routing, content collections, islands architecture, integrations, and deployment...
View cheat sheet →Remix Cheat Sheet
Quick reference for Remix — loaders, actions, forms, nested routing, error boundaries, and deployment. Everything you ne...
View cheat sheet →Hono Cheat Sheet
Quick reference for Hono — the ultrafast, edge-native web framework. Routes, middleware, validators, JSX, and multi-runt...
View cheat sheet →Drizzle ORM Cheat Sheet
Quick reference for Drizzle ORM — schema definition, queries, relations, migrations, and database operations. Type-safe ...
View cheat sheet →SolidJS Cheat Sheet
Quick reference for SolidJS — signals, effects, stores, control flow, context, and component patterns. Build fast reacti...
View cheat sheet →Zod Cheat Sheet
Quick reference for Zod schema validation library. Primitives, objects, arrays, transforms, refinements, error handling,...
View cheat sheet →tRPC Cheat Sheet
Quick reference for tRPC type-safe APIs. Router setup, procedures, middleware, React Query integration, error handling, ...
View cheat sheet →Playwright Cheat Sheet
Quick reference for Playwright browser testing. Selectors, actions, assertions, page navigation, API testing, fixtures, ...
View cheat sheet →Vitest Cheat Sheet
Quick reference for Vitest test runner. Test syntax, assertions, mocking, snapshots, coverage, and configuration — all i...
View cheat sheet →Turborepo Cheat Sheet
Quick reference for Turborepo commands, pipeline configuration, caching, and workspace management. Essential commands fo...
View cheat sheet →pnpm Cheat Sheet
Quick reference for pnpm commands: install, add, remove, workspaces, and more. Fast, disk-efficient Node.js package mana...
View cheat sheet →Cypress Cheat Sheet
Quick reference for Cypress end-to-end testing commands. Selectors, assertions, network stubbing, and best practices for...
View cheat sheet →Storybook Cheat Sheet
Quick reference for Storybook: writing stories, args, decorators, controls, and addons. Essential patterns for building ...
View cheat sheet →Nuxt Cheat Sheet
Quick reference for Nuxt.js: file-based routing, data fetching, server routes, middleware, and deployment. Essential pat...
View cheat sheet →SWR Cheat Sheet
Quick reference for SWR: React hooks for data fetching with stale-while-revalidate caching, automatic revalidation, and ...
View cheat sheet →Zustand Cheat Sheet
Quick reference for Zustand: creating stores, selectors, middleware, async actions, and devtools integration. Minimal Re...
View cheat sheet →Qwik Cheat Sheet
Quick reference for Qwik: components, signals, routing, data loading, and resumability patterns. Build instant-loading w...
View cheat sheet →shadcn/ui Cheat Sheet
Quick reference for shadcn/ui: installation, components, theming, and customization patterns. Build beautiful React UIs ...
View cheat sheet →TanStack Query Cheat Sheet
Quick reference for TanStack Query (React Query): queries, mutations, caching, invalidation, and optimistic updates. Mas...
View cheat sheet →Biome Cheat Sheet
Quick reference for Biome: configuration, linting rules, formatting, import sorting, and migration from ESLint/Prettier....
View cheat sheet →Effect Cheat Sheet
Quick reference for Effect (Effect-TS): creating effects, error handling, services, layers, and concurrency. Build robus...
View cheat sheet →Turso Cheat Sheet
Quick reference for Turso: CLI commands, database operations, libSQL client usage, embedded replicas, and edge deploymen...
View cheat sheet →Lucia Auth Cheat Sheet
Quick reference for Lucia authentication: session management, password hashing, OAuth integration, CSRF protection, and ...
View cheat sheet →Cloudflare Workers Cheat Sheet
Quick reference for Cloudflare Workers: Wrangler CLI, request handling, KV storage, D1 database, R2 object storage, and ...
View cheat sheet →Supabase Cheat Sheet
Quick reference for Supabase: authentication, database queries, realtime subscriptions, file storage, and edge functions...
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