Practical software fixes, setup guides, and tool workflows.

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...

Fix err_name_not_resolved Caused by Chrome Extensions

If you see err_name_not_resolved in Chrome, a misbehaving or conflicting extension c...

Fix Nginx Configuration Test Failure from Rewrite Rules

You run nginx -t and get an error. The log points to a rewrite rule. This is common ...

Fix Windows 11 Blue Screen After Update Stuck in Restart Loop

After a Windows 11 update, your PC may show a blue screen error and then restart repeatedly, neve...

How to Fix Git Detached HEAD in IntelliJ IDEA

If you see a message like “You are in ‘detached HEAD’ state” in IntelliJ IDEA, it means your work...

How to Use a Cloudflare DNS Propagation Checker Tool

After you change a DNS record in Cloudflare, it takes time for the update to spread across the in...