Latest articles, tutorials, and deep dives from ndlab tech blog.
Tokens are the unit you are billed in, and they are not words. This post covers tokenization, counting before you send, model tiers, and how the costs really add up.
Most LangChain tutorials online were written before v1 and no longer run. Here is what moved, what landed in langchain-classic, and how to read old code safely.
LangChain is widely used and widely misunderstood. This post explains the problems it actually solves, where it earns its complexity, and what this series will build.
A Svelte 5 component library built for the month your application stops being simple: seventy-plus components, theming you control, and a data grid and scheduler to match.
A slow query in production is a fire. EXPLAIN plans show exactly where the database wastes time — if you know how to read them. This post teaches you how, with real examples.
Bad schema design creates bugs invisible until production. Learn the relational model from first principles, then normalize to 3NF/BCNF with real examples and trade-offs.
Results