Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You updated DNS records for your www subdomain in Cloudflare, but hours (or days) later, the chan...

You're working in a subdirectory of your project, run npm install or npm r...

Fix Node Sass Build Failure by Upgrading Node Version
If you're seeing a build error like Module build failed: Error: Node Sass does not yet ...

Fix DNS Probe Finished NXDOMAIN Error in Windows 10
When you see "DNS_PROBE_FINISHED_NXDOMAIN" in Chrome or other browsers, it means the DNS ...

Fix VSCode Git Authentication Failed: Reset Credentials
If you see a "Git authentication failed" error in Visual Studio Code, it usually means yo...

Fix npm run build Permission Denied on Linux
You run npm run build on your Linux machine and see Permission denied. ...