Get external IP address on Mac
dig -4 TXT +short o-o.myaddr.l.google.com @ns1.google.com
Some times you just need to know what your globally installed npm packages are:
npm list -g --depth=0
Setting your branch to exactly match the remote branch can be done in two steps:
git fetch origin git reset --hard origin/[branch-name]
To make an existing branch dev exactly match another branch production (losing all changes on current, dev):
git checkout production git branch -D dev git checkout -b dev git branch -u origin/dev git push origin dev --force
Add & commit alias
git config --global alias.ac '!git add -A && git commit'
Revert last four commits
git revert HEAD~4..HEAD~1
On Mac OS, El Capitan or greater, to find a process using port 3000:
sudo lsof -i tcp:3000
Edit browser cache for specific site…
Chrome: Settings > Privacy and security > Site settings > Cookies and site data > See all cookies and site data > [search]
AWS
Amazon services best description ever.
