Writing · Nº 041065 essays
The writing
Ideas from inside the work. Explore technology, entrepreneurship, and the practice of building things that last.
15 essays found · Page 2 of 2
Clear filtersEngineeringHow to Guarantee Message Order in a Chat AppMessage order in a chat app is a backend job. Use monotonic sequence IDs, not client timestamps, or your users will see messages out of order.EngineeringWebSockets vs Polling for Real-Time AppsWebSockets vs polling is the first real-time backend decision you make. Here is when each one wins, the hidden costs, and how to avoid picking wrong.EngineeringThe Backend Real Time Apps Actually NeedReal-time features fail when bolted onto request and response backends. What a complete backend for real-time apps has to handle from the first line.