First you need a Personal access token.
Github login > Settings > Personal access tokens > Generate new token > Token description: OnlyPublicRepo > only check public_repo > Generate token > copy the displayed token to the clipboard

curl -X 'POST' -H 'Authorization: token TokenFromClipboard' -d '{"name": "RepoNameToBeInsert", "auto_init": true, "private": false}' https://api.github.com/user/repos

or use CreateRepo.py

[/Documents]$ mkdir Github
[/Documents]$ cd Github
[Github]$ mkdir ui-tutorial
[Github]$ cd ui-tutorial

[ui-tutorial]$ git clone https://github.com/humberry/ui-tutorial.git

[ui-tutorial]$ ll
.git (374.0B) 2016-02-16 21:27:36
...
MiniPhotoView.py (3.4K) 2016-02-16 21:28:55
...

[ui-tutorial]$ edit MiniPhotoView.py
[ui-tutorial]$ git status
STAGED
UNSTAGED LOCAL MODS
['MiniPhotoView.py']

[ui-tutorial]$ git add MiniPhotoView.py
Adding MiniPhotoView.py

[ui-tutorial]$ git commit
Commit Message: remove touch and layout method
Author Name: humberry
Save this setting? [y/n]y
Author Email:
Save this setting? [y/n]y
shivrztvhf...

[ui-tutorial]$ git push
Attempting to push to: https://github.com/humberry/ui-tutorial.git, branch: refs/heads/master
Enter username: humberry
Enter password: mysecretpassword
Push to https://humberry:mysecretpassword@github.com/humberry/ui-tutorial.git successful.
success!