3.7 shipped optional chaining in November and the objection got smaller. allowJs, checkJs and a per-file opt-in — and strictNullChecks, which is the flag that pays.
A cache that expires and then blocks every waiting request on one slow origin fetch is a cache that makes the worst moment worse. proxy_cache_lock means one request…
The question was how to deploy four services, and the answer arrived before it. Naming what you actually need — scheduling, health, rolling deploys, secrets.
A monorepo pipeline that runs every job on every push spends most of its minutes proving that unchanged code still works. The trap is that changes compares against…
A memoised component skips re-rendering when its props are shallowly equal, and an inline object or array literal is a new reference on every parent render. The wrapper…