- Q:ExtDeprecationWarning: Importing flask.ext.script is deprecated, use flask_script instead.
.format(x=modname), ExtDeprecationWarning
A:把flask.ext.script
中的.ext.
换成下划线_
- Q:UserWarning: SQLALCHEMY_TRACK_MODIFICATIONS adds significant overhead and will be disabled by default in the future. Set it to True to suppress this warning.
warnings.warn(‘SQLALCHEMY_TRACK_MODIFICATIONS adds significant overhead and will be disabled by default in the future. Set it to True to suppress this warning.’)
A:在代码中加一行
track_modifications = app.config.setdefault('SQLALCHEMY_TRACK_MODIFICATIONS' , True)
- Q:heroku login出现问题 如图:
A:原因是ruby版本太低,需升级。命令如下:
$ sudo apt-add-repository ppa:brightbox/ruby-ng
$ sudo apt-get update
$ sudo apt-get install ruby2.2
$ ruby2.2 -v
ruby 2.2.0p0 (2014-12-25 revision 49005) [x86_64-linux-gnu]
参考链接:1.http://stackoverflow.com/questions/26595620/how-to-install-ruby-2-1-4-on-ubuntu-14-04
2.http://qiita.com/35_267_/items/29badc389a1df4d56c6f