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startTransition lets React treat expensive updates as non-urgent so typing, clicking, and other direct interactions stay responsive while heavier work catches up.
Read ArticleBoth tools are extremely fast, but they optimize for different layers of the toolchain: esbuild is usually the better standalone bundler, while SWC is usually the better compiler inside frameworks and higher-level build systems.
Read ArticleNext.js environment files follow a specific naming scheme, load order, and browser exposure rule, and understanding those details prevents many staging and production configuration bugs.
Read ArticleHttpOnly cookies keep session secrets out of client-side JavaScript, which makes them a strong default for React and Next.js apps that rely on server-validated authentication.
Read ArticleConventional Commits adds a small amount of structure to commit messages so humans can scan history faster and tools can automate changelogs, semantic versioning, and release workflows more reliably.
Read ArticleSWR, React Query, and RTK Query all solve server-state problems, but the right choice depends less on features than on app complexity, mutation patterns, and whether Redux already anchors the architecture.
Read ArticleFiber is the internal architecture React uses to model reconciliation work, prioritize updates, and support modern non-blocking rendering features.
Read ArticleReact’s Virtual DOM is an in-memory UI representation that makes reconciliation, targeted DOM updates, and modern scheduling features practical.
Read ArticleGitHub Actions, GitLab CI, Jenkins, CircleCI, and Buildkite all solve CI, but they differ sharply in hosting model, extensibility, and operational cost.
Read ArticleCommonJS and ESM solve the same module problem, but they differ in syntax, loading semantics, runtime behavior, and how tooling can optimize them.
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