GitHubへのpushでエラー 最近 GitとGitHub をやり始めた。GitHubにアカウントをつくり、初めてpushしようとしたら以下のようなメッセージが。 ! [rejected] master -> master (fetch first) error: failed to push some refs to ‘https://github.com/WakkyFree/binarycutter’ hint: Updates were rejected because the remote contains work that you do hint: not have locally. This is usually caused by another repository pushin hint: to the same ref. You may want to first

