Backend
Server-side development, APIs, and database management
FastAPI
FastAPI cheat sheet with route decorators, Pydantic models, dependency injection, async endpoints, and Python type hint examples.
TypeScript
TypeScript cheat sheet covering types, interfaces, generics, utility types, type guards, and advanced type system features with examples.
Python Fundamentals
Python fundamentals cheat sheet with syntax, data structures, list comprehensions, OOP, file I/O, and best practices with examples.
Prisma ORM
Prisma ORM cheat sheet covering schema definition, relations, CRUD queries, migrations, and database management with code examples.
Async JavaScript
Async JavaScript cheat sheet covering Promises, async/await, error handling, Promise.all, race conditions, and concurrency patterns.
Node.js Core Modules
Node.js core modules cheat sheet covering fs, http, path, crypto, streams, events, and process with practical code examples.
Django
Django cheat sheet covering models, views, templates, ORM queries, URL routing, forms, and deployment patterns with code examples.
SQL
SQL cheat sheet with SELECT queries, JOINs, subqueries, aggregations, indexes, and database management commands with examples.
n8n
n8n workflow automation cheat sheet with nodes, expressions, triggers, code patterns, error handling, and self-hosting deployment tips.
Laravel
Laravel cheat sheet with Eloquent ORM, routing, Blade templates, middleware, authentication, and Artisan commands with code examples.
Go
Go (Golang) cheat sheet covering syntax, goroutines, channels, interfaces, error handling, and concurrency patterns with examples.
Flask
Flask cheat sheet covering routes, templates, blueprints, request handling, and REST API patterns with Python code examples.
HTTP Methods
HTTP methods cheat sheet covering GET, POST, PUT, PATCH, DELETE with idempotency rules, request body syntax, and REST API examples.
Supabase
Supabase cheat sheet covering PostgreSQL queries, Auth, Storage, Realtime subscriptions, Edge Functions, and client SDK examples.
Hono
Hono cheat sheet covering routing, middleware, context API, validation, RPC client, and deployment to Cloudflare Workers and Bun.
Express.js
Express.js cheat sheet with routing, middleware, request handling, error handling, and REST API patterns with Node.js code examples.
Rust
Rust cheat sheet covering ownership, borrowing, lifetimes, pattern matching, traits, async/await, and systems programming examples.
PostgreSQL Advanced Features
Advanced PostgreSQL cheat sheet with JSONB operations, window functions, CTEs, indexing strategies, and performance tuning examples.
PHP
PHP 8+ cheat sheet covering modern syntax, types, enums, match expressions, named arguments, and web development best practices.
HTTP Status Codes
HTTP status codes cheat sheet — complete reference for 1xx through 5xx codes with meanings, use cases, and API response examples.
GraphQL
GraphQL cheat sheet with query syntax, mutations, subscriptions, schema types, resolvers, and API design patterns with code examples.
Express.js REST API
Express REST API cheat sheet covering routing, middleware, database integration, authentication, error handling, and testing patterns.
SvelteKit
SvelteKit cheat sheet with routing, load functions, form actions, server-side rendering, and full-stack patterns with code examples.
MySQL Advanced Features
Advanced MySQL cheat sheet covering query optimization, transactions, stored procedures, JSON functions, and window function examples.
Ruby on Rails
Ruby on Rails cheat sheet with MVC architecture, Active Record, routing, migrations, controllers, and deployment code examples.
Drizzle ORM
Drizzle ORM cheat sheet with schema definition, queries, relations, migrations, and TypeScript-first database management examples.
Bun
Complete reference for Bun — the all-in-one JavaScript/TypeScript runtime, package manager, bundler, and test runner