Fix: Jest Coverage Not Collected — Files Missing from Coverage Report
How to fix Jest coverage not collecting all files — collectCoverageFrom config, coverage thresholds, Istanbul ignore comments, ts-jest setup, and Babel transform issues.
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711 articles — Page 24 of 60
Fix: Kotlin Coroutine Not Executing — launch{} or async{} Blocks Not Running
How to fix Kotlin coroutines not executing — CoroutineScope setup, dispatcher selection, structured concurrency, cancellation handling, blocking vs suspending calls, and exception propagation.
Fix: Kotlin Coroutine Scope Cancelled — JobCancellationException or Coroutine Not Running
How to fix Kotlin coroutine cancellation issues — scope lifecycle, SupervisorJob, CancellationException handling, structured concurrency, viewModelScope, and cooperative cancellation.
Fix: Laravel Queue Job Not Processing — Jobs Stuck in Queue
How to fix Laravel queue jobs not running — queue worker not started, wrong connection config, failed jobs, job timeouts, horizon setup, and database vs Redis queue differences.
Fix: MongoDB Schema Validation Error — Document Failed Validation
How to fix MongoDB schema validation errors — $jsonSchema rules, required fields, type mismatches, enum constraints, bypassing validation for migrations, and Mongoose schema conflicts.
Fix: MySQL Full-Text Search Not Working — MATCH AGAINST Returns No Results
How to fix MySQL full-text search issues — FULLTEXT index creation, minimum word length, stopwords, boolean mode vs natural language mode, InnoDB vs MyISAM, and LIKE fallback.
Fix: NestJS Nest can't resolve dependencies — Provider Not Found Error
How to fix NestJS dependency injection errors — module imports, provider exports, circular dependencies, dynamic modules, and the most common 'can't resolve dependencies' patterns.
Fix: NestJS ValidationPipe Not Working — class-validator Decorators Ignored
How to fix NestJS ValidationPipe not validating requests — global pipe setup, class-transformer, whitelist and transform options, custom validators, and DTO inheritance issues.
Fix: Next.js Font Not Loading — Custom Fonts Not Applying or Flashing
How to fix Next.js font loading issues — next/font/google setup, CSS variable approach, local fonts, font-display settings, FOUT flash, and Tailwind CSS font integration.
Fix: nginx Upstream Load Balancing Not Working — All Traffic Hitting One Server
How to fix nginx load balancing issues — upstream block configuration, health checks, least_conn vs round-robin, sticky sessions, upstream timeouts, and SSL termination.
Fix: PHP Session Not Working — $_SESSION Variables Lost Between Requests
How to fix PHP session variables that don't persist between requests — session_start() placement, cookie settings, session storage, shared hosting, and session fixation security.
Fix: PostgreSQL Index Not Being Used — Query Planner Ignores Index
How to fix PostgreSQL indexes not being used — EXPLAIN ANALYZE output, function on indexed column, type mismatches, statistics staleness, partial indexes, and query planner costs.