leftaroundabout

leftaroundabout has asked 101 questions and find answers to 785 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

How to actually use already-installed versions of a package, or find out why it's not possible?
How do I make a colour plot with undefined regions?
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?

leftaroundabout answers

Overload (*) as a -> b -> c
Making an Arbitrary Instance for a newtype that uses Maybe
Haskell return lazy string from file IO
Type error when testing a function with a negative number
how to get a Shortest List in a list in haskell
Game in Haskell
Why doesn't Parsec backtrack when one part of the parser succeeds and the rest fails?
How to pattern match against Text without using OverloadedStrings?
Pattern-matching on Rationals in Haskell
Relationship between Haskell's 'forall' and '=>'