Engineering notes
Articles for people who
ship the stack
Original rewrites on React, Node.js, TypeScript and AI — practical notes from the same engineering practice behind our operator software. Article bodies are in English.
Tagged: BM25
Let Exact Terms and Meaning Work Together in Search
Combine lexical and semantic candidate lists without treating incompatible search scores as interchangeable.
572 wordsRead articleHybrid RAG Retrieval with pgvector, BM25 and a Cross-Encoder Reranker
Learn why pure vector search misses part numbers and error codes, and how to combine pgvector, BM25 and reranking in LangChain for precise RAG retrieval.
1524 wordsRead article
FAQ
About these articles
Yes. Each piece is an original English rewrite prepared for this site. Structure and code examples follow the source material; prose is rewritten and checked for overlap before export.
Technical posts ship in English first so code and API names stay exact. The site chrome (navigation, SEO shells) is available in all nine languages.
New drafts land in the publish queue as they pass editorial checks. Running the site import picks up only new or changed slugs — nothing is duplicated.
Treat samples as illustrative. Validate against your stack and licences before production use. For delivery work, contact us with the brief.
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