avoid forgetting(every time forgot how to do)
1、 Step One: create a repo on github first, then copy the https’s url;
2、 Step Two: under your local project folder’s root path execute: git init;
3、 Step Three: then execute: git add .
4、 Step Four: then execute: git commit -m “here is some comment about what will be committed”;
5、 Step Five: then execute: git remote add origin (here is the url copied in step one);
6、 Step Six: then execute: git pull origin master
if you confront this problem: fatal: refusing to merge unrelated histories.
you can execute this command like this: git pull origin master --allow-unrelated-histories
7、 Step Seven: then execute: git push -u origin master