class AnswersModel(models.Model): author = models.ForeignKey(FrontUserModel,null=True,related_name='answers_user') -- relay_to = models.ForeignKey(FrontUserModel,null=True,related_name='relay_to_user')当模型执行迁移时会报:HINT: Add or change a related_name arg
http://stackoverflow.com/questions/4855561/difference-between-git-remote-add-and-git-clone git remote add just creates an entry in your git config that specifies a name for a particular URL. You must have an existing git repo to use this. git clone c
查看当前文件状态 使用git status查看文件状态,如果是空仓库,执行结果如下 $ git status On branch master No commits yet nothing to commit (create/copy files and use "git add" to track) 如果我们加入一个新文件main.c $ git status On branch master No commits yet Untracked files: (use "gi
刚刚接触git版本管理器,跟着廖雪峰老师的git教程学习,在创建一个新的文件时,使用的是$ git add readme.txt指令,但是报出fatal: pathspec 'readme.txt' did not match any files错误 遇到的问题 1.看网上说用touch readme.txt可以解决,尝试了一下,添加文件的时候没报错误,文件也被添加到目录下,但是提交的时候出了问题,结果如下图所示,添加文件问题未解决 2.还有一种说法是目录下没有readme.txt文件,建一下就