Checklists for software errors, setup, and tool workflows.

How to Fix Git 'index.lock' File Exists Error

When you see fatal: Unable to create 'path/.git/index.lock': File exists., G...

Docker Compose 'Network Not Found' Error Fix

When running docker compose up, you might see an error like:

network "my...

DNS Probe Finished NXDOMAIN: Meaning and Fixes

You're trying to visit a website but Chrome shows "DNS_PROBE_FINISHED_NXDOMAIN". This...

Fix git index.lock File Exists Error on Windows

If you see fatal: Unable to create 'index.lock': File exists. when running G...

Fix ERR_CONNECTION_RESET on Chrome for Android

If you see the ERR_CONNECTION_RESET error in Chrome on your Android phone or tab...

Debugging Jest Tests in VS Code: Breakpoints Not Hit

You set a breakpoint in a Jest test file, start debugging, and the test runs to completion but th...