Checklists for software errors, setup, and tool workflows.

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Fix Git 'index.lock' File Exists Error in IntelliJ

If you see an error like fatal: Unable to create 'project/.git/index.lock': File ex...

Fix ERR_NAME_NOT_RESOLVED in Chrome with Google DNS
When you see ERR_NAME_NOT_RESOLVED in Chrome, it usually means your computer can...

Git Detached HEAD: Practical Checklist and Fixes
You see a message like 'You are in 'detached HEAD' state' when checking out a com...

Fix Missing Edge Sync Option in Settings
You open Edge settings to turn on sync, but the sync option is gone. This usually happens after a...

Git Merge Unrelated Histories with Conflicts: How to Resolve
You try to merge two git branches and get an error like fatal: refusing to merge unrelated ...

Fix Docker Compose Port Allocation Errors
When you run docker compose up and see an error like "port is already alloca...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix Git 'index.lock' File Exists Error in IntelliJ

Fix ERR_NAME_NOT_RESOLVED in Chrome with Google DNS

Git Detached HEAD: Practical Checklist and Fixes

Fix Missing Edge Sync Option in Settings

Git Merge Unrelated Histories with Conflicts: How to Resolve

Fix Docker Compose Port Allocation Errors

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