WebSockets beat SSE by 10% on bytes and 10 KB per connection in Node. Why SSE still fits most apps, plus the nginx and ALB settings that keep it up.
Geo-restrictions look simple until you ship them. Here's how to build jurisdiction-based access controls that survive VPNs, mobile carriers, and CDN caching.
LLM coding agents quietly drop constraints as tasks get longer. Here's why it happens and a concrete pattern for keeping back end code generation honest.
Build a lightweight rule engine for automated compliance checks using simple Python patterns — no heavy frameworks needed.
Distributed databases often fail to deliver on consistency guarantees. Learn how to verify, detect, and design around broken promises in production systems.
How to prevent location data leaks in your apps — practical code examples for truncating GPS data, enforcing privacy zones, and making privacy the default.
