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Server Components run only on the server; Client Components hydrate in the browser. See how Next.js App Router renders both, and when to actually reach for 'use client'.
Scroll, resize, and keystroke events fire dozens of times a second. Learn how debounce and throttle rate-limit them — and which one to reach for.
See why a query without an index scans every row, how an index turns it into a fast lookup, and how to read EXPLAIN to tell the difference.
Discover the new property hooks feature in PHP 8.4 that provides a cleaner way to add logic to property access.
Master async/await in JavaScript with these best practices and common pitfalls to avoid.
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