Engineering notes
Articles for people who
ship the stack
Original rewrites on React, Node.js, TypeScript and AI — practical notes from the same engineering practice behind our operator software. Article bodies are in English.
Tagged: useState
Build a Toy useState to Understand Snapshots, Queues and Effects
Learn how React hooks behave by building a tiny useState, then use that model to explain update queues, stale snapshots, closures, effect cleanup, refs and batching.
3107 wordsRead articleWhere useState Keeps Its Value: React Elements Versus Fibers
Why a React function component forgets everything between calls, why elements cannot hold state, and how the fiber's memoizedState field keeps useState values alive.
1724 wordsRead article
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Yes. Each piece is an original English rewrite prepared for this site. Structure and code examples follow the source material; prose is rewritten and checked for overlap before export.
Technical posts ship in English first so code and API names stay exact. The site chrome (navigation, SEO shells) is available in all nine languages.
New drafts land in the publish queue as they pass editorial checks. Running the site import picks up only new or changed slugs — nothing is duplicated.
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