Pinger

a ping implement on Win7 with Qt using c++.

tips

##ip addr cannot contain space and so on puctuation.

git cmd

## tag
> push all tags.  git push --tags.
> create a tag.   git tag -a TagName. then type content within the vi editor.

## branch
> create remote branch. git push remotebranch localbranch.
> set default push upstream. git push --set-upstream remotebranch localbranch.