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#SemanticSearch

2 guides~14 min totalupdated Jun 30, 2026

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Build a RAG System in Python From Scratch (Part 1)

Build a RAG system in Python from scratch — no framework. Four functions that chunk, embed, store, and retrieve over your own docs, then answer with an LLM.

Intermediate · 8 min

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IntermediateRAG Chunking & Retrieval Quality: Fix Bad Answers (Part 2)Fix RAG chunking to stop wrong answers — use fixed-size windows, overlap, and a 10-line retrieval eval. The model was never the problem; the chunks were.6 min

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