this is a git learn note from keen (find me on git:github.com/jacks808)
1.git add [file name]
2.git commit -m "msg"
3.git push origin dev
4.git checkout dev-keen	: create a new branch and switch to it
5.git checkout dev	: switch to branch dev
6.git merge dev-keen	: merge dev-keen branch to branch in use(now is dev)

THANK FOR YOU COURSE!

YOU CAN FIND ME AT jacks808@163.com