Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When you run npm install on a shared hosting server, you might see errors like

If you see FATAL ERROR: Ineffective mark-compacts near heap limit Allocation failed - JavaS...

Fix VSCode Breakpoints Not Hitting in TypeScript
You set a breakpoint in a TypeScript file, run the debugger, and execution never pauses. This is ...

Fix npm run build Failed Due to Webpack Configuration
When npm run build fails, the error often points to a webpack configuration issue. T...

Fix Git Push Rejected Due to Unrelated Histories
You try to push a local branch to a remote repository, but Git refuses with a message like ...

Git Merge Conflict Checklist Before Merging
You're about to merge a branch, but you've been burned by merge conflicts before. This ch...