Data
How to build RAG with PostgreSQL
Build RAG with PostgreSQL using pgvector and pgvectorscale, keeping relational data and embeddings in one database, with similarity search, structured output, and advanced filtering.
Blog
Field notes
Practical essays and guides for developers, on AI engineering, agentic coding, and freelance work.
Career
How to find freelance data and AI projects
A six-step roadmap for finding freelance data and AI projects, covering how to write a simple business plan, build your LinkedIn presence, sell solutions instead of skills, and land clients through the channels that actually work.
Data
PostgreSQL as a vector database: a beginner's guide to pgvector
PostgreSQL works as a vector database with the pgvector extension. A side-by-side speed test against Pinecone, the tables LangChain creates for you, and how to host it for free on Supabase.