stackoverflowuser questions

• Why does "(1 + 1.0)" have the type "Fractional a => a" and not "Num a => a"?
• Why isn't Haskell able to optimize this? (Nothing gets propagated needlessly in the Maybe monad.)
• When should a function be standalone and when should it be in a type class? Is it just a matter of taste?
• Why is this evaluated like this?
• Implementing this OO concept in Haskell
• How to log the real IP address when behind a proxy using Scotty / wai
• Determining if a function is stand-alone or part of a type class
• Questions about folds and stack overflows
• Simple questions about the scotty Haskell web framework
• Can AppleScript now be replaced with JavaScript?

stackoverflowuser answers