apply new gitignore code example
Example 1: apply gitignore after commit
git rm --cached $file
Example 2: git add gitignore
$ touch .gitignore
Example 3: apply gitignore to current commit
#First commit all changes
git rm -r --cached .
git add .
git commit -m ".gitignore updated"
Example 4: what to add to gitignore
Look at this awesome site!
https://www.toptal.com/developers/gitignore
Generates a gitignore for you, based on the technologies you're using