Tag: async

All the articles with the tag "async".

• Python AsyncIO vs Node.js Event Loop — The Differences That Bite You

  Posted on:September 8, 2025 |  at 10:00 AM

  Both Python asyncio and Node.js use a single-threaded event loop for concurrency. But the implementation differences are significant: how coroutines suspend, blocking code behavior, thread pool integration, and the GIL's effect on async Python code.

• Node.js Event Loop Internals — What Actually Happens When You await

  Posted on:February 12, 2024 |  at 10:00 AM

  A deep dive into libuv's event loop phases — timers, I/O callbacks, poll, check, and close — explaining exactly what executes when and why. Includes microtask queue ordering, setImmediate vs setTimeout, and common pitfalls that cause production latency spikes.