830 articles — Page 6 of 70
How to fix APScheduler — BackgroundScheduler exits when script ends, jobs run multiple times under Gunicorn, AsyncIOScheduler not firing, misfire_grace_time skips, and timezone-aware cron triggers.
How to fix Python arq errors — worker can't find tasks, WorkerSettings class structure, cron syntax differences, msgpack serialization errors, job_id deduplication, result expiration, and Redis connection pooling.
How to fix Bun test runner issues — mock.module not isolating, happy-dom setup for DOM tests, --coverage missing files, timer mocks, snapshot updates, TypeScript path aliases, and preload files.
How to fix Cloudflare D1 errors — D1_ERROR no such table, binding undefined, --local vs --remote drift, migrations not applied, prepared statement bind index, foreign keys not enforced, and concurrent writes.
How to fix Cloudflare R2 errors — env.MY_BUCKET undefined in Workers, S3 SDK signature mismatch, multipart upload size limits, CORS on direct uploads, presigned URL generation, and r2.dev rate limits.
How to fix docker compose watch errors — develop.watch directive not firing, sync vs sync+restart vs rebuild differences, ignore globs not matching, WSL2 file events delayed, named volumes shadowing watch, and Compose version requirements.
How to fix Dramatiq errors — ActorNotFound on worker, broker connection refused, Redis vs RabbitMQ trade-offs, message retries not triggering, async actors, and django-dramatiq AppConfig setup.
How to fix DSPy errors — no LM configured, signature field types, ChainOfThought vs Predict, optimizer (MIPROv2) setup, retrieval module wiring, async usage, and cache invalidation between runs.
How to fix DuckDB errors — IOException database is locked, OutOfMemoryException on large queries, httpfs extension not loaded, secret manager for S3, Pandas/Polars zero-copy, and concurrent writer limits.
How to fix GitHub CLI errors — gh auth login token scopes missing, multiple accounts switching, gh pr create permission denied, GHE host auth, gh repo clone vs git clone, and API rate limits.
How to fix git worktree errors — fatal: 'branch' is already checked out at, worktree prune removing valid trees, detached HEAD on add, submodules not initialized, moving/locking worktrees, and ignoring per-worktree files.
How to fix Hono RPC client errors — hc<AppType> showing any, validator types not flowing, app.route chaining loses types, monorepo type import, path param typing, JSON body validation, and streaming.