Backend

Server-side development, APIs, and database management

Python logoPythonINTERMEDIATE

FastAPI

FastAPI cheat sheet with route decorators, Pydantic models, dependency injection, async endpoints, and Python type hint examples.

10 min
fastapipythonapi+3 more
TypeScript logoTypeScriptINTERMEDIATE

TypeScript

TypeScript cheat sheet covering types, interfaces, generics, utility types, type guards, and advanced type system features with examples.

12 min
typescripttypesinterfaces+2 more
Python logoPythonBEGINNER

Python Fundamentals

Python fundamentals cheat sheet with syntax, data structures, list comprehensions, OOP, file I/O, and best practices with examples.

10 min
pythonprogrammingbasics+5 more
Prisma logoPrismaINTERMEDIATE

Prisma ORM

Prisma ORM cheat sheet covering schema definition, relations, CRUD queries, migrations, and database management with code examples.

15 min
prismaormdatabase+5 more
JavaScript logoJavaScriptINTERMEDIATE

Async JavaScript

Async JavaScript cheat sheet covering Promises, async/await, error handling, Promise.all, race conditions, and concurrency patterns.

8 min
javascriptasyncpromises+2 more
Node.js logoNode.jsINTERMEDIATE

Node.js Core Modules

Node.js core modules cheat sheet covering fs, http, path, crypto, streams, events, and process with practical code examples.

15 min
nodejsfshttp+5 more
Python logoPythonINTERMEDIATE

Django

Django cheat sheet covering models, views, templates, ORM queries, URL routing, forms, and deployment patterns with code examples.

12 min
djangopythonbackend+4 more
SQL logoSQLBEGINNER

SQL

SQL cheat sheet with SELECT queries, JOINs, subqueries, aggregations, indexes, and database management commands with examples.

8 min
sqldatabasequeries+2 more
n8n logon8nINTERMEDIATE

n8n

n8n workflow automation cheat sheet with nodes, expressions, triggers, code patterns, error handling, and self-hosting deployment tips.

5 min
n8nworkflowautomation+6 more
PHP logoPHPINTERMEDIATE

Laravel

Laravel cheat sheet with Eloquent ORM, routing, Blade templates, middleware, authentication, and Artisan commands with code examples.

20 min
laravelphpframework+5 more
Go logoGoINTERMEDIATE

Go

Go (Golang) cheat sheet covering syntax, goroutines, channels, interfaces, error handling, and concurrency patterns with examples.

8 min
gogolangbackend+4 more
Python logoPythonINTERMEDIATE

Flask

Flask cheat sheet covering routes, templates, blueprints, request handling, and REST API patterns with Python code examples.

10 min
flaskpythonbackend+3 more
HTTP logoHTTPBEGINNER

HTTP Methods

HTTP methods cheat sheet covering GET, POST, PUT, PATCH, DELETE with idempotency rules, request body syntax, and REST API examples.

12 min
httprestapi+3 more
Supabase logoSupabaseINTERMEDIATE

Supabase

Supabase cheat sheet covering PostgreSQL queries, Auth, Storage, Realtime subscriptions, Edge Functions, and client SDK examples.

10 min
supabasebaaspostgresql+5 more
Hono logoHonoINTERMEDIATE

Hono

Hono cheat sheet covering routing, middleware, context API, validation, RPC client, and deployment to Cloudflare Workers and Bun.

5 min
honoweb-frameworkcloudflare-workers+7 more
Node.js logoNode.jsINTERMEDIATE

Express.js

Express.js cheat sheet with routing, middleware, request handling, error handling, and REST API patterns with Node.js code examples.

9 min
expressnodejsbackend+3 more
Rust logoRustADVANCED

Rust

Rust cheat sheet covering ownership, borrowing, lifetimes, pattern matching, traits, async/await, and systems programming examples.

12 min
rustsystemsmemory-safety+2 more
PostgreSQL logoPostgreSQLADVANCED

PostgreSQL Advanced Features

Advanced PostgreSQL cheat sheet with JSONB operations, window functions, CTEs, indexing strategies, and performance tuning examples.

15 min
postgresqldatabaseperformance+5 more
PHP logoPHPBEGINNER

PHP

PHP 8+ cheat sheet covering modern syntax, types, enums, match expressions, named arguments, and web development best practices.

12 min
phpphp8backend+5 more
HTTP logoHTTPBEGINNER

HTTP Status Codes

HTTP status codes cheat sheet — complete reference for 1xx through 5xx codes with meanings, use cases, and API response examples.

10 min
httpstatus-codesapi+2 more
GraphQL logoGraphQLINTERMEDIATE

GraphQL

GraphQL cheat sheet with query syntax, mutations, subscriptions, schema types, resolvers, and API design patterns with code examples.

15 min
graphqlapiqueries+5 more
Node.js logoNode.jsINTERMEDIATE

Express.js REST API

Express REST API cheat sheet covering routing, middleware, database integration, authentication, error handling, and testing patterns.

18 min
expressnodejsrest-api+8 more
Svelte logoSvelteINTERMEDIATE

SvelteKit

SvelteKit cheat sheet with routing, load functions, form actions, server-side rendering, and full-stack patterns with code examples.

10 min
sveltekitsveltessr+5 more
MySQL logoMySQLADVANCED

MySQL Advanced Features

Advanced MySQL cheat sheet covering query optimization, transactions, stored procedures, JSON functions, and window function examples.

15 min
mysqldatabaseoptimization+3 more
Ruby logoRubyINTERMEDIATE

Ruby on Rails

Ruby on Rails cheat sheet with MVC architecture, Active Record, routing, migrations, controllers, and deployment code examples.

8 min
railsrubymvc+5 more
Drizzle ORM logoDrizzle ORMINTERMEDIATE

Drizzle ORM

Drizzle ORM cheat sheet with schema definition, queries, relations, migrations, and TypeScript-first database management examples.

12 min
drizzleormtypescript+5 more
Bun logoBunINTERMEDIATE

Bun

Complete reference for Bun — the all-in-one JavaScript/TypeScript runtime, package manager, bundler, and test runner

10 min
bunjavascripttypescript+6 more