Roy's AI Lab

Prompt Injection in Production

Building RAG Like You'd Actually Ship It

The LCEL question that separates "I've read about RAG" from "I've built RAG."

The Agent Stuck in a Loop

The Question That Ends Most AI Interviews Early

Last week, a friend of mine, 3 years into ML, good with theory, comfortable with LangChain. Got stuck in an interview after just 12 minutes.

Do I really need this if I already know the concepts?

Someone from Big 4 asked me this exact question this week...

Asked in Accenture's AI Engineer L1 round.

What chunk size do you use for RAG, and how do you decide?