David Fletcher questions

David Fletcher answers

• expand list of lists by adding element once to every list
• Inconsistency between minimumBy and maximumBy
• How can I use a fixed-minimum-length list in a total and elegant way?
• Exponentiation using list comprehension
• Is there a straight-forward solution to receiving the element *prior* to hitting the dropWhile predicate?
• How can I map a function to a list and stop when a condition is fulfilled and tell me if it stopped or reached the end?
• Haskell takeWhile + 1
• Haskell get a specific user's home directory path