A data engineer's hands-on path through LangChain: chat models, memory, LCEL chains, structured output, tool calling with SQL guardrails, and RAG over a PDF.
Learning LangChain by Building: 7 Tiny Examples from Chat Models to RAG
Related
I taught my local model taste. Here's the prompt that banned the purple gradient.
Every AI-built landing page looks the same: indigo gradient, Inter, three cards with icons in circles. Onyx 3 is my attempt to fix that in a model that runs on your own machine, pl...
One Markdown File Can Ruin Your Coding Agent. I Checked What Mine Actually Reads.
A while back I hid one sentence inside a log file and handed the file to my coding agent. It ran the...
I Read Codex's Source to Find When It Auto-Compacts. It's 90%, and You Can't Turn It Off
Originally published at its-tahir.com. Codex users keep asking when auto compaction fires and why...