Articles by Tag #strictmode
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Why is useEffect Running Twice? The Complete Guide to React 19 Strict Mode and Effect Cleanup
Your useEffect is firing twice and you don't know why. This deep dive explains React 19's Strict Mode behavior, why it exists, how to write resilient effects, and the new patterns that make your code production-ready.
NodeJS Fundamentals: strict mode
Strict Mode: A Production Deep Dive Introduction Imagine a large e-commerce...