Articles on AI engineering, machine learning, LLMs, and software development.https://z4hid.github.io/https://z4hid.github.io/blog/building-rag-systems-from-scratch/https://z4hid.github.io/blog/building-rag-systems-from-scratch/A step-by-step guide to building production Retrieval-Augmented Generation systems. Covers chunking strategies, embedding models, vector databases, retrieval tuning, and evaluation metrics.Thu, 20 Nov 2025 00:00:00 GMThttps://z4hid.github.io/blog/getting-started-with-agentic-ai/https://z4hid.github.io/blog/getting-started-with-agentic-ai/A hands-on guide to building AI agents that can plan, reason, and take action. Covers architectures, frameworks like LangChain and Agno, memory systems, and production deployment patterns.Wed, 15 Oct 2025 00:00:00 GMT