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React Native’s Hidden Gem: useMemo & useCallback – Stop Re-rendering Everything! 🚀

Introduction Hey React Native developers! 👋 Let me ask you something: Have you ever noticed your app getting slower as it grows? Components re-rendering unnecessarily? Lists lagging when you scroll? Here’s the thing – most React Native developers skip useMemo and useCallback because they seem complicated or “not necessary.” But these two hooks are absolute…

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From CAP to GAP? – DEV Community

Humble beginnings Testing a piece of existing code is easy. That is, at least, the common wisdom: you know what the code is supposed to do, you craft inputs to trigger certain, deterministic, behaviors in the code, and assert the output for each is as expected. Like I said – easy. Well, sorta… Even if…

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