Knowledge base for software setup, errors, and daily tool work.

Recover Lost Changes After Git Detached HEAD

You've made several edits, then checked out an old commit or tag, and now Git says you're...

Fix Git 'index.lock file exists' Error

If you see fatal: Unable to create 'path/.git/index.lock': File exists. when...

Rebuild Windows Search Index Without Losing Data

If Windows Search stops returning results or behaves slowly, rebuilding the index often fixes it....

Node.js Heap Out of Memory vs Stack Overflow: Key Differences