Popular "ruby-on-rails-3" questions | Page 2

Does Rails 3 or Ruby have a built-in way to check if a variable is an integer? For example, 1.is_an_…

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I'm trying to manually execute SQL commands so I can access procedures in NuoDB. I'm using Ruby on Rails and …

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While I realize you are supposed to use a helper inside a view, I need a helper in my controller …

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I have the following file: /spec/controllers/groups_controller_spec.rb What command in terminal do I use to run …

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I am creating a scaffold - rails g scaffold Contact email:string email_provider:string but I want the email …

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I need to change my column type from date to datetime for an app I am making. I don't care …

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I'm working on a Ruby on Rails 3 webapp on Heroku. How do I empty the database?

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Is there an alternative to update_attributes that does not save the record? So I could do something like: @car = …

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Before anything, please note that I have found several similar questions on Stack Overflow and articles all over the web, …

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I get the error shown below when attempting to install the rmagick gem. I am on Snowleopard 10.6 using RVM, Ruby 1.9.2…

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