• weaming (25)in #haskell • 6 years ago

  Understand Functor, Applicative and Monad

  Functor A Functor is any data type that defines how fmap applies to it. Lists are functors too! Functions are Functors too. When you use fmap on a function…

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• weaming (25)in #python • 6 years ago

  String in Python2 and Python3

  str in Python2 and Python3 It turns out that the Python 2 str type doesn't hold a string; it holds a sequence of bytes . In the old ASCII world, a string was simply a…

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