Category: Dev Notes
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Defender Flagged a Threat: Detection Date ≠ Download Date
Defender’s detection date is not when a file arrived or ran — how to compare timestamps and tell a real breach from old junk in 5 minutes.
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Claude Fable 5 Explained — vs Opus and Sonnet, and What Changed in Claude Code
Anthropic shipped its first public Mythos-class model. Risky questions get handed to Opus 4.8 instead of refused; Claude Code gained /goal. Double the price, 30% more tokens —…
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What Is a Schema — Why Databases and Your Brain Use the Same Word
A schema is a frame that defines what shape data should take — a table blueprint in databases, the structure of knowledge in psychology. The frame must exist…
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How to Pick Open-Source Tools by Fit — I Skipped an 84k-Star One
I weighed four similar tools and picked one. I dropped an 84k-star tool, and I trusted a license badge and got it wrong. Stars, badges, an AI’s first…
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I Built a Blog Publishing Skill — and This Post Is Its First Output
Publishing a post took 11 manual steps. So I built a tool to do it in one shot — and learned that building is easy, shipping is hard.…
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Yak Shaving, Idempotency, Dogfooding, Dead Man’s Switch — 4 Dev Terms That Work Outside Code
Yak shaving, idempotency, dogfooding — three dev terms that work outside code. Getting lured into side-quests, repeating an action safely, and using your own thing before shipping.