https://nitmonk.com/blog Nitmonk is the learning platform for AI Engineers. Master AI Agents, LangGraph, MCP, Enterprise RAG, AWS Bedrock and production AI systems through practical engineering. en-us Sun, 20 Sep 2026 09:50:56 GMT https://nitmonk.com/blog/how-vector-databases-find-nearest-neighbors https://nitmonk.com/blog/how-vector-databases-find-nearest-neighbors Ask a 10-million-document knowledge base a question and it answers in milliseconds. Here is how vector search really works — IVF, PQ, HNSW, DiskANN — and which database to pick. Wed, 02 Sep 2026 00:00:00 GMT RAG Vector Databases AI Agents https://nitmonk.com/blog/the-ai-agent-engineer-mental-model https://nitmonk.com/blog/the-ai-agent-engineer-mental-model A viewer asked what AI Engineers actually code all day. Here is the mental model I keep coming back to — the seven problems that AI Agent Engineers and AI Architects really solve, for learning, problem solving and interviews. Thu, 27 Aug 2026 00:00:00 GMT Mindset AI Agents Careers