git switch branch without discarding local changes

Question

Alright, lets say one day we make happen to make a bunch of modifications and when we go to commit them we notice we were working on the wrong branch.

How can we for

Answer 1

Use git stash

git stash

It pushes changes to a stack. When you want to pull them back use

 git stash apply

You can even pull individual items out. To completely blow away the stash:

 git stash clear