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Haskell

by Sam Hart
17 blocks • an hour ago

In the first philosophy, libraries exist as reliable, community-supported building blocks for constructing higher level functionality on top of a common, stable edifice. In development communities where this method is the dominant philosophy, the author(s) of libraries have written them as a means of packaging up their understanding of a problem domain so that others can build on their understanding and expertise.

What I Wish I Knew When Learning...

Added by Sam Hart
Updated an hour ago

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Haskell Video Collection

Added by Sam Hart
Updated 2 hours ago

In mathematics, a semigroup is a nonempty set together with an associative binary operation. A special class of semigroups is a class of semigroups satisfying additional properties or conditions. Thus the class of commutative semigroups consists of all those semigroups in which the binary operation satisfies the commutativity property that ab = ba for all elements a and b in the semigroup.

Special classes of semigroups -...

Added by Sam Hart
Updated 2 hours ago

The standard Haskell libraries feature a number of type classes with algebraic or category-theoretic underpinnings. Becoming a fluent Haskell hacker requires intimate familiarity with them all, yet acquiring this familiarity often involves combing through a mountain of tutorials, blog posts, mailing list archives, and IRC logs.

Typeclassopedia - HaskellWiki

Added by Sam Hart
Updated 2 hours ago

Learning, playing, and keeping up with the latest. ## Welcome to the SoH We have created the School of Haskell to remove the barriers to learning this powerful language. We tried to make most of the functionality of this site self-explanatory, but in case you missed some of it, here's a semi-definitive guide.

School of Haskell | School of Haskell

Added by Sam Hart
Updated 2 hours ago

The Prelude: a standard module. The Prelude is imported by default into all Haskell modules unless either there is an explicit import statement for it, or the NoImplicitPrelude extension is enabled.

Prelude

Added by Sam Hart
Updated 2 hours ago

Any advice on a good ui-library for a purescript and haskell beginner? What I am looking for is good documentation and getting started guides,...

Well-documented ui-library for...

Added by Sam Hart
Updated 2 hours ago

psc-package - An experimental package manager for PureScript based on the concept of package sets

purescript/psc-package

Added by Sam Hart
Updated 2 hours ago

Lenses and their cousins are a way of declaring how to focus deeply into a complex structure. They form a combinator library with sensible, general behavior for things like composition, failure, multiplicity, transformation, and representation.

A Little Lens Starter Tutorial - School...

Added by Sam Hart
Updated 2 hours ago

Parallel and Concurrent Programming in...

Added by Sam Hart
Updated 2 hours ago

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Chapters - Learn You a Haskell for...

Added by Sam Hart
Updated 2 hours ago

Late last year, my friend Tom tried to convince me that writing REST APIs was boring and repetitive and that I should give this thing called GraphQL a try. I was initially sceptical. servant, the REST library that I'm most familiar with, is lovely. Its clever use of Haskell ...

Announcing graphql-api: Haskell library...

Added by Sam Hart
Updated 2 hours ago

Recursion is important to Haskell because unlike imperative languages, you do computations in Haskell by declaring what something is instead of declaring how you get it.

Added by Sam Hart
Updated 2 hours ago

This package provides families of lenses, isomorphisms, folds, traversals, getters and setters.

Lenses, Folds and Traversals

Added by Sam Hart
Updated 2 hours ago

If a matrix has complex eigenvalues, its sequence spirals around $(0,0)$. To see this, drag $A$'s columns (the arrows) around until you get a spiral. The eigenvalues are plotted in the real/imaginary plane to the right. You'll see that whenever the eigenvalues have an imaginary part, the system spirals, no matter where you start things off.

Eigenvectors and Eigenvalues explained...

Added by Sam Hart
Updated 2 hours ago

Information Aesthetics

by Sam Hart
28 blocks • 2 hours ago

Event Scores

by Sam Hart
22 blocks • 2 hours ago

Concept Virus

by Sam Hart
39 blocks • 2 hours ago

Shannon Mattern

by Sam Hart
9 blocks • 4 hours ago

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