Decorators

2 articles

python4 min read

Python Decorators — The Magic Behind the @ Symbol

Learn how Python decorators work from first principles. This guide covers function decorators, class decorators, decorator factories, and real-world patterns used in Flask, FastAPI, and Django.

March 19, 2026Read →

typescript6 min read

TypeScript Decorators — Metaprogramming Patterns for Backend APIs

TypeScript decorators power frameworks like NestJS, TypeORM, and class-validator. This guide covers class, method, property, and parameter decorators with real backend patterns and the new Stage 3 decorator spec.

March 19, 2026Read →