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1. Rails.cache error in Rails 3.1 - TypeError: can't dump hash with default proc
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   4 answers
2. Rails 3 additional session configuration options (key, expires_after, secure)
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3. Ruby on Rails has_many through self-referential following/follower relationships
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4. Rails - Shared Database Tables between two apps
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5. Rails 3.1 asset pipeline - missing files from public/assets - why isn't this the default?
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