Checklists for software errors, setup, and tool workflows.

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Latest checklists

You're writing Dart or Flutter code in VSCode, but IntelliSense (autocomplete, suggestions, g...

When Nginx returns a 502 Bad Gateway or logs upstream connection refused

Fix Git Push Rejected: Non-Fast-Forward Error
You try to push a commit to a remote repository and get: ! [rejected] main -> main (non-...

Fix VS Code Git Not Detecting Changes After .gitignore Update
After updating your .gitignore file, you might notice that VS Code's Git extensi...

Fixing Nginx Upstream Connection Refused on Port 443
You see "upstream connection refused" in your Nginx error log when proxying requests to p...

Fix pnpm ERR_PNPM_NO_OFFLINE_META: Step-by-Step Guide
You run pnpm install and see ERR_PNPM_NO_OFFLINE_META. This usually hap...