Small pieces of code as solutions to specific problems in large companies

Twitter published a small code snippet related to reducing the memory consumption of the Garbage Collector. GitHub detailed a race condition problem in their notification system. LinkedIn shared a code snippet about how they implemented a caching strategy using Redis.

Airbnb: Airbnb's engineering team addressed a slow rendering problem in its interactive maps. They published a JavaScript code snippet showing how they made optimizations to Leaflet.js.