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New posts in ruby-on-rails-3

How to sort users by the most recent post?

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Why does Ruby on Rails create new Sessions on every hit (sometimes)?

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How do I add columns to devise after the initial create_table rake?

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cancan - "can :manage, all". I haven't been able to get access to all in rails 3 app with devise

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Upgrade Rails App From 1.2.3 to 3.1.0?

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How to inject http_authorization headers using omniauth and oauth2 in consumer so the authentication occurs in provider?

Rails 3.1 -- Can't mass assign protected attributes (even though added to attr_accessible)

Detecting Facebook canvas in Rails app