Ben questions

Ben answers

• Ruby on Rails: Length of Video as a Paperclip Attachment
• Basic ruby array code: Testing if an array has a specific integer
• What is the best way to add categories to posts - Ruby on Rails blog
• Creating Link with Ruby on Rails
• Always use responds_to?
• Rails: Undefined method 'to_sym'
• What's the best place to find Git reference content online while kernel.org is down?
• Importing old data with Rails and Paperclip
• Install a gem from a downloaded tar or zip
• Rails: checking modified fields