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Develop with Rails 3 when Rails 4 is already installed
当Rails 4已安装时,用Rails 3开发

ruby-on-rails  ruby-on-rails-3 

How to get user object from Facebook rails 4
如何从脸谱网Rails获取用户对象4

ruby-on-rails  ruby-on-rails-3  ruby-on-rails-4  ruby-on-rails-3.2 

Fetching last incomplete record or new in ActiveRecord
取最后一个不完整的记录或新的活动记录

ruby-on-rails-3  activerecord 

Params Not In Rails Controller Method, but in before filter and application controller
参数不在Rails控制器的方法,但在过滤和应用控制

ruby-on-rails  ruby-on-rails-3  controller 

Rspec Error :ParameterMissing: param is missing or the value is empty: user
RSpec错误:parametermissing:参数丢失或为空值:用户

ruby-on-rails  ruby-on-rails-3  ruby-on-rails-4  rspec