Building a Persistent Knowledge Base RAG System with FastAPI, llama.cpp, Chroma, and Open WebUI

April 30, 2026 · Dev.to

What is a Chat API? And how to guarantee message delivery on any network?
A Chat API is the backend engine that powers real-time messaging inside your app. It handles everything from sending a "
PostgreSQL Aggregate and Window Function Tuning
GROUP BY and window functions look declarative — the query says what it wants, and PostgreSQL figures out how to compute
Kym Marsh flashes her sparkling engagement ring as it's revealed she's set to marry for a fourth time
The former Coronation Street actress, 49, accepted her fiancé Tom Dickinson's proposal last month after he got down on o
Why are Western feminists silent on the war on Iranian women?
Those who backed Iranian women’s protests against compulsory hijab are silent as those same women are killed.
‘Blair Witch Project’ Reboot Sets New Director as Original Stars Joshua Leonard and Michael C. Williams Join as Exec Producers
“Blair Witch” is back: Horror director Dylan Clark is set to helm a new imagining of “The Blair Witch Project” for Lions