git merge and branch

 https://ithelp.ithome.com.tw/articles/10211792

https://gitbook.tw/chapters/branch/fix-conflict.html

# git  tracking and branch

https://matthung0807.blogspot.com/2019/09/git-head-detached-at-remote-branch.html

# config

git config --global credential.helper cache

# ref

https://git-scm.com/book/zh-tw/v2/%E4%BD%BF%E7%94%A8-Git-%E5%88%86%E6%94%AF-%E9%81%A0%E7%AB%AF%E5%88%86%E6%94%AF

https://matthung0807.blogspot.com/2019/09/git-head-detached-at-remote-branch.html