Writing
Some Posts that i make for you!
Latest dispatches
// sorted by newest
10 minai
Embeddings, or how text becomes math
How a sentence turns into a list of numbers, why those numbers mean anything at all, and the quiet mistakes that wreck your search results.
10 minai
Vector databases, minus the hand-waving
What they actually store, why finding similar things is hard at scale, and the fairly common case where a WHERE clause is still the right answer.
15 min
The N+1 Query Problem: How One Innocent Loop Becomes 101 Database Trips
It's snappy on your laptop with 10 rows and it takes your database hostage with 10,000. Here's the most common performance bug in backend code — how to spot it, the fixes nobody explains properly, and when to just leave it alone.
6 min
git revert vs. git restore vs. git reset: Git's Undo Buttons, Explained
Three commands, three completely different kinds of "undo." Here's how to tell them apart before you reach for the wrong one at 2am.
6 min
RAG, Explained Like You're Not a Machine Learning PhD
Retrieval-Augmented Generation sounds like a Transformer villain. It's actually just an AI that's learned to Google things before answering — and it might be the single most useful trick in modern AI.
7 min
AI Engineering, Demystified: What the Job Actually Is (and Isn't)
Somewhere between 'I called an API' and 'I trained a neural network from scratch' lives an entire discipline nobody agreed on a definition for. Let's fix that — with fewer buzzwords than usual.
From the knowledge base
Curated technical Q&A, straight from production post-mortems and architecture spikes.
Explore the whole library
Senior Dev Reality Check
Instant answer check. No Googling allowed.
A PR runs a full cosine-similarity pass over 50k vectors in pure Python, inside an async def FastAPI handler. You:
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Get real production war stories without the fluff.
Architecture diagrams, query-performance breakthroughs and LLM edge cases. Zero generic AI-hype summaries.