Programming
Database indexes: faster reads, deliberate tradeoffs
Learn how B-tree indexes, composite keys, query plans, and pagination affect real database performance—and why more indexes are not always better.
UNDERSTAND / BEYOND THE BUZZWORDS
Tech Insights.
The ideas behind the technology. Simple explanations, technical depth, and something useful to take away.
Programming
REST vs GraphQL: choose around your clients
Compare resource-oriented HTTP APIs with GraphQL's typed query model, including caching, authorization, performance, and practical tradeoffs.