acts_as_previous_next 0.0.5
This 'acts_as' extension provides the capability for having previous next methods for object. Previous & next are based on a specified column (default is id).
          Gemfile:
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          安裝:
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      Runtime 相依性套件 (2):
            activerecord
            >= 3.0.0
          
          
            activesupport
            >= 3.0.0
          
    Development 相依性套件 (8):
            database_cleaner
            >= 0
          
          
            factory_girl_rails
            >= 0
          
          
            guard-rspec
            >= 0
          
          
            mysql2
            >= 0
          
          
            rails
            = 3.2.16
          
          
            rspec
            >= 0
          
          
            rspec-rails
            >= 0
          
          
            spork
            >= 0