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: SQL
Finding the Real Bottleneck in a Slow Node.js Endpoint
Learn a systematic method for tracing backend latency through the request path—from Node.js code to database queries—using timing and EXPLAIN ANALYZE.
1671 wordsRead articleCommon Node.js and Database Misconceptions That Cause Production Bugs
Learn why async/await, connection pooling, and ORMs don't automatically prevent race conditions, connection exhaustion, or SQL injection in Node.js apps.
1442 wordsRead article
FAQ
About these articles
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.
Treat samples as illustrative. Validate against your stack and licences before production use. For delivery work, contact us with the brief.
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