如何解决error: failed to push some refs

Username for 'https://github.com': ATM006
Password for 'https://ATM006@github.com':
To https://github.com/ATM006/NobCno.git  ! [rejected]        master -> master (fetch first)
error: failed to push some refs to 'https://github.com/ATM006/NobCno.git'
hint: Updates were rejected because the remote contains work that you do
hint: not have locally. This is usually caused by another repository pushing
hint: to the same ref. You may want to first integrate the remote changes
hint: (e.g., 'git pull ...') before pushing again.
hint: See the 'Note about fast-forwards' in 'git push --help' for details.
 
 
1、在使用git 对源代码进行push到gitHub时可能会出错
2、出现错误的主要原因是github中的README.md文件不在本地代码目录中
3、可以通过如下命令进行代码合并【注：pull=fetch+merge]
git pull --rebase origin master
4、执行上面代码后可以看到本地代码库中多了README.md文件
5、此时再执行语句 git push 即可完成代码上传到github
                                                                                    
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