how to branch from a branch in git

C++
//Create a New Branch
git checkout -b [name_of_your_new_branch]
//First Push
git push --set-upstream origin [name_of_your_new_branch]$ git checkout -b [name_of_your_new_branch]$ git checkout -b myFeature dev
$ git checkout -b myFeature dev$ git checkout -b myfeature dev

Source

Also in C++: