git init
git add README.md
git commit -m "first commit"
git remote add origin https://github.com/qqxu/polarTest.git
git add README.md
git commit -m "first commit"
git remote add origin https://github.com/qqxu/polarTest.git
git push -u origin master
git教程:
http://www.liaoxuefeng.com/wiki/0013739516305929606dd18361248578c67b8067c8c017b000/001375233990231ac8cf32ef1b24887a5209f83e01cb94b000