831 articles — Page 40 of 70
How to fix CSS container queries not working — setting container-type correctly, understanding containment scope, fixing @container syntax, and handling browser support and specificity issues.
How to fix Django REST Framework 403 Forbidden and permission denied errors — authentication classes, permission classes, IsAuthenticated vs AllowAny, object-level permissions, and CSRF issues.
How to fix Express async route handlers not passing errors to the error middleware — wrapping async routes, using express-async-errors, global error handlers, and Node.js unhandledRejection events.
How to fix GitHub Actions Docker build and push errors — registry authentication, image tagging, layer caching, multi-platform builds, and GHCR vs Docker Hub setup.
How to fix Go context.DeadlineExceeded and context.Canceled errors — setting timeouts correctly, propagating context through call chains, handling cancellation, and debugging which operation timed out.
How to fix the GraphQL N+1 query problem — understanding why it happens, implementing DataLoader for batching, using query complexity limits, and selecting efficient resolver patterns.
How to fix Jest failing with 'Cannot use import statement outside a module' — configuring Babel transforms, using experimental VM modules, migrating to Vitest, and handling ESM-only packages.
How to fix Kubernetes OOMKilled errors, understanding memory limits, finding memory leaks, setting correct resource requests and limits, and using Vertical Pod Autoscaler.
How to diagnose and fix slow MySQL queries — enabling the slow query log, reading EXPLAIN output, adding indexes, fixing N+1 queries, and optimizing JOINs and ORDER BY.
How to fix NestJS circular dependency errors — using forwardRef, restructuring module dependencies, extracting shared services, and understanding the NestJS module system.
How to fix Next.js App Router fetch caching issues — understanding cache behavior, revalidation with next.revalidate, opting out with no-store, cache tags, and debugging stale data.
How to fix Node.js 'JavaScript heap out of memory' — increasing heap size, finding memory leaks with heap snapshots, fixing common leak patterns, and stream-based processing for large data.