Notes from building and learning

RAG Is Easy to Demo. Making RAG Reliable Is Hard.

Practical RAG engineering with Python and SQL: current evidence, access controls, hybrid retrieval, citation checks, and measurable failure modes.

From React to the LLM: Anatomy of a Production AI Feature

Follow an AI feature from the React interface through authorization, retrieval, generation, streaming, and production monitoring.

LLMs Are Nondeterministic. Your Product Doesn't Have to Be.

A practical approach to LLM evaluation: define success, test real scenarios, catch regressions, and keep business rules under application control.

Basic Data Types: Strings

A practical introduction to Python strings, including indexing, common operations, and mistakes.

Hello World

Why I started this blog and what I plan to learn and build in public.

Updated Aug 26, 2025