RAG Explained Simply: How to Make an AI Read Your Documents Before It Answers
A beginner-friendly, picture-first guide to Retrieval Augmented Generation. Why LLMs need it, how it differs from fine-tuning, and how indexing, retrieval, augmentation and generation fit together.
How I Built a Production-Ready Feed Cache with Redis Cache-Aside, Jitter, and Distributed Locks Explained
The story of how I built the feed for my Threads clone, what went wrong at each step, and how I ended up with a production grade caching strategy using Redis covering cache-aside, TTL jitter, and distributed locks.