leftaroundabout

leftaroundabout has asked 99 questions and find answers to 713 problems.

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About

Currently a PhD research fellow in maths and CS at Høgskulen på Vestlandet. In the past I have worked as a musician, as a programmer on magnetohydrodynamics number-crunchers, and studied geophysics.

leftaroundabout questions

Why do Haskell numerical literals need to start and end with digits?
Is there a standard class / type that represents valid Python identifiers?
A package has been split in two. Is it possible to depend on either the single old one or both the new ones?
How to delete a single git repository clone, without the rm -rf sledgehammer?
ScopedTypeVariables fail to work with nested where-clauses?
Is there ever a reason to write .eqv. .true.?
How to best "waste" a roughly specified time by only "burning CPU" with pure functional calculations?
Why can non-capturing lambdas not be default-constructed, and is it possible to work around this?
What's the most standard/generic way to zip a traversable with a list?
How can I simply grep-search through all avaliable documentation text?

leftaroundabout answers

How do I make a composed data constructor an instance of a class?
Eigen: Accessing columns of a matrix by reference
Why is the function's name repeated when defining the function via pattern matching?
Deriving in newtype with more type variables
Mutable, random-access array/vector with high performance in haskell
Data type design in Haskell
How to update a list element in Haskell
Illegal instance declaration for 'Monad (Writer String)' [duplicate]
How can I go through a list of numbers and compare it with an another list I am going through?
Does Haskell provide an idiom for pattern matching against many possible data constructors?