我遵循Michael的Rails教程,在第二章中,安装了一个演示应用程序。我遇到了一个错误,我找不到原因!!
我确保遵循了本教程中的所有命令:
rails new to demo_app创建项目rails generate scaffold User name:string email:stringbundle exec rake db:migrate迁移数据库rails shttp://localhost:3000/出现在右边http://localhost:3000/users/时,会出现以下错误

有人能解释一下为什么这个设置会发生变化吗?!
发布于 2013-11-07 04:50:53
安装Node.js的步骤
Go to nodejs网站 and download the installer
Click on the downloaded file to run the install wizard. Click Next at each step to accept the defaults.
Reboot your computer.
Once your computer is back up, load Command Prompt with Ruby and Rails OR simple command prompt and...
Type this in the terminal:
node -vhttps://stackoverflow.com/questions/19827958
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