Async Await

A comprehensive educational guide covering modern JavaScript (ES6+) features including arrow functions, destructuring, async/await, promises, functional programming patterns, classes, modules, iterators, and generators. Provides best practices and common pitfall warnings for writing clean, maintainable JavaScript code.

A comprehensive reference guide for Python asynchronous programming patterns using asyncio. Covers fundamental concepts like event loops, coroutines, and tasks, along with advanced patterns including producer-consumer queues, semaphores for rate limiting, and async context managers. Includes real-world examples for web scraping, database operations, and WebSocket servers.