A few years ago I solved 200 LeetCode problems and still froze on Mediums I hadn't seen. The breakthrough wasn't another hundred problems. It was a different loop. A problem asks for the longest substring with at most K distinct characters. You've solved sliding window before. Maximum sum subarray of size K, done. Longest substring without repeating characters, done. This third one stalls you. Twe
Subtitle: How to model a secure, escrow-based marketplace for emerging economies using Prisma and PostgreSQL. In my previous article on Medium, I discussed the sociotechnical challenge of Information Poverty in the African gig economy. But as engineers, we know that solving social problems requires more than vision it requires a robust, type-safe, and scalable data architecture. 1. The Core Acto