第一个Rails项目:耙子问题

1 ruby rake ruby-on-rails

我在Mac OS X上运行rails.我认为我正确安装了它,但是我收到了以下错误.

$ rake db:create
(in /Users/user_name/myapp)
rake aborted!
Could not find RubyGem mocha (>= 0)

(See full trace by running task with --trace)
Run Code Online (Sandbox Code Playgroud)

问题是什么?我如何解决它?

Mat*_*nde 6

看起来你错过了摩卡宝石.运行sudo gem install mocha应该解决问题.