John questions

• Simple SQL GROUP BY
• Rails, remove quotes from around active record value in query
• Using Accelerate (CLAPACK) to solve an augmented matrix?
• Any Code Examples showing how to solve Mulitple Linear Equations in objC?
• Rails 3.1- therubyracer gem error
• How do you create a copy of an UIImageView instance?
• Rails 3 DISTINCT QUERY
• Is it possible to rename a joined column during an inner join?

John answers