git

github에서 레파지토리를 새로 생성하고 첫 push를 하려는 순간 ! [rejected] master -> master (non-fast-forward) error: failed to push some refs to 'https://github.com/ / .git' hint: Updates were rejected because the tip of your current branch is behind hint: its remote counterpart. Integrate the remote changes (e.g. hint: 'git pull ...') before pushing again. hint: See the 'Note about fast-forwards' in 'git push --help..