Every publication, organized by tag.
Tags name the specific tools, languages and technologies an article is about, such as a database, a cloud service or a framework. The number beside each tag is how many published articles carry it. For the broader subject areas, use the categories; to look for a phrase, search the archive.
A RAG demo answering questions correctly over ten hand-picked documents proves almost nothing about how it behaves over a real corpus. Seven concrete ways retrieval-augmented generation breaks in production, and what actually fixes each one.
Senior engineers walk into this question and either downplay a real failure into something trivial, or overshare something career-damaging. Neither answers what the interviewer is actually evaluating — and the part of the story most candidates skip is the part that matters most.
Rate limiting looks like a one-line INCR in a whiteboard interview and turns into a race-condition minefield the moment it's distributed across nodes. A tour of the four real algorithms, and the atomicity bug that ships in more Redis rate limiters than anyone admits.
