#async

3 posts.

FastAPI: Async Routes and Dependency Injection

A practical guide to async path operations and Depends() in FastAPI — when async actually helps, per-request DB sessions, auth dependencies, and how sub-dependencies compose.

Jun 16, 2026 ·8 min read · #fastapi#python#intermediate

async/await in JavaScript: A Practical Guide

A practical guide to async functions and await — writing asynchronous code that reads like synchronous code, handling errors with try/catch, and running work in parallel.

Jun 15, 2026 ·9 min read · #javascript#intermediate#async

JavaScript Promises Explained

A practical guide to JavaScript promises — states, then/catch/finally, chaining, Promise.all, race, and allSettled, and how to escape the pyramid of doom.

Jun 15, 2026 ·9 min read · #javascript#intermediate#async