
The 'Ref' Return: Why React 19 Is Finally Ending the useEffect Disposal Hack
React 19 introduces a dedicated cleanup phase for ref callbacks, finally making it possible to manage DOM-bound 3rd-party libraries without a single useEffect hook.
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React 19 introduces a dedicated cleanup phase for ref callbacks, finally making it possible to manage DOM-bound 3rd-party libraries without a single useEffect hook.

Atomicity is easy on a single node, but guaranteeing it across a distributed cluster requires a protocol that most developers fear to touch.

This technical deep-dive explains how to leverage Linux tmpfs to run Postgres entirely in memory, eliminating the disk I/O bottleneck from your CI pipeline.
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