RaftLabs·Nov 4Why Discord scales while most chat apps failDiscord is not a chat app. It is a real-time community operating system built on WebSockets, SFU voice infrastructure, and a strict…
Maged Elghareib·Oct 31Observing the Unseen: Performance Tracing and Debug Tracing for Real-Time Modern C++ SystemsFor real-time C++ systems, a debugger can tell you what happened at one instant, but it often cannot safely tell you what happened over…
RaftLabs·Oct 4Building a Food Delivery App Is Building Four AppsFood delivery is a four-sided marketplace (customers, restaurants, drivers, admin). Here’s what actually needs to be built and what it…
Gulsaba Fiha·Sep 28Why Your “Real-Time” App Isn’t Actually Real-TimeWebSockets, Polling, SSE, Redis, and Django Channels explained without the confusion
Arslan Arjumand·Sep 23Building a Real-Time Voice Translator: How I Got Three AI Models to Reply in Under a SecondPhoto by Ling App on Unsplash