839 articles — Page 47 of 70
How to fix Next.js build failures — TypeScript errors blocking production builds, module resolution failures, missing environment variables, static generation errors, and common next build crash causes.
How to fix Prisma migration errors — migrate dev failing with schema drift, migrate deploy errors in production, database out of sync, and how to safely reset or resolve migration conflicts.
How to fix Python requests hanging forever, why requests.get() ignores timeout, how to set connect and read timeouts correctly, use session-level timeouts, and handle timeout exceptions properly.
How to fix Redis keys that never expire — why EXPIRE commands are silently overwritten, how SET options replace TTL, how to inspect key TTL, and how to prevent accidental TTL removal in your application.
How to fix Vite's chunk size warning — why bundles exceed 500 kB, how to split code with dynamic imports and manualChunks, configure the chunk size limit, and optimize your Vite production build.
How to fix AWS Lambda cold start timeouts and slow first invocations — provisioned concurrency, reducing package size, connection reuse, and language-specific optimizations.
How to fix CSS animations not working — @keyframes not applying, animation paused, transform conflicts, reduced motion settings, and common animation property mistakes.
How to fix Elasticsearch index_not_found_exception errors — why index operations fail with 404, how to create indices correctly, manage index aliases, and handle missing indices in production.
How to undo git reset --hard and recover lost commits using git reflog — step-by-step recovery for accidentally reset branches, lost work, and dropped stashes.
How to fix JavaScript NaN comparison bugs — why NaN !== NaN, the difference between isNaN() and Number.isNaN(), and how to correctly check for NaN in conditionals and array operations.
How to fix 'No space left on device' errors on Linux, find what is consuming disk space with df and du, clean up logs, Docker images, old kernels, and temporary files, and prevent disk full situations.
How to fix MySQL 'Deadlock found when trying to get lock; try restarting transaction' — diagnosing deadlock causes, using SHOW ENGINE INNODB STATUS, and preventing deadlocks with consistent lock ordering.