Pick of the Week

A weekly selection of interesting tutorials created by our users

Here's a selection of content published by the users of the School of Haskell -- the latest pick on top. We pick articles based on their quality and popularity. If you want your content to appear here, first publish it on your page and promote it. With enough page views it will register on our radar.

This week: Dan Burton's series "Coroutines for Streaming"

Pipes tutorial 12 Apr 2014Gabriel Gonzalez

An extended tutorial describing the API, idioms, and theory behind the pipes library
example of why to use monads - what they can do 6 Apr 2014Harold Carr

shows why one would want to use monads - what they can do (not how they work)
How Haskell can solve the integration problem 7 Mar 2014Alberto Gómez Corona

Will show how long running tasks, Web apps, workflows, EAI Orchestration and BPM applications share the same underlying problem: The "integration problem", that only haskell can solve with more simplicity, generality and maintainability
MFlow as a DSL for Web applications 21 Nov 2013Alberto Gómez Corona

This tutorial shows some example of the use of [MFlow](http://hackage.haskell.org/package/MFlow) as a DSL for web applications rather than as a web framework as such made of heterogeneous stuff. This tutorial modify step by step a simple application, that ask for two numbers and sh… more
Part I: Deamortized ST 8 Nov 2013Edward Kmett

This is a slow exploration of a novel approach to deamortization in Haskell, that lets us implement more algorithms with a fully functional persistent API, with previously unachievable asymptotics.
Compiled Heist insight, with no Snap in sight 1 Nov 2013Daniel Diaz Carrete

A compiled Heist tutorial covering some common cases.
A Little Lens Starter Tutorial 28 Jul 2018Joseph Abrahamson

A collection of common first time lens user questions in a little Socratic format.
Web application with concurrency 10 Oct 2013Nikolay Murzin

A simple Yesod app that downloads a file from given URL, shows download progress and calculates the hash sum of the file concurrently.
coin change 14 Nov 2013Carsten König

No description given.
Working with databases using Groundhog 13 Nov 2013lykahb

A gentle introduction to Groundhog library
Part III: A World in a Bottle 16 Nov 2013Edward Kmett

Now I'll show how we can prevent our automata from using extrinsic properties of their location and show how this lets us bend space.
Simple examples 29 Oct 2017Erik Salaj

Simple examples
Part II: PNGs and Moore 10 Jun 2015Edward Kmett

In this part we'll explore how to make extensible folds for hashing, explore the connection between Gabriel Gonzales' `foldl` library and Moore machines, discover a Comonad, and concoct a way to generate custom PNGs by leveraging pieces of the existing Haskell ecosystem.
Part I: From Theory to Pretty Pictures 29 Nov 2014Edward Kmett

This post shows how we can render automata on the web using a number of reusable components from the Haskell ecosystem.
Using the Foursquare API to get a list of trending venues 2 Aug 2013Bill Cauchois

No description given.
Coroutines for streaming DanBurton

As the conduit- and pipes-style streaming abstractions continue to gain popularity, it is useful to take a look at an even higher abstraction from which they can be built: coroutines. In this series, we will learn about coroutines in general, select a particular "suspension functor," a… more
ByteString Bits and Pieces 9 Nov 2013Luke Taylor

Beginner-level tutorial on ByteStrings and how to use them.
The Mother of all Monads 21 Apr 2013Dan Piponi

No description given.
Episode 1 - JSON 7 Apr 2013Alfredo Di Napoli

The bread and butter of each recipe (no pun intended)
Guide to GHC Extensions Alexander Altman

**A guide to the wide variety of Haskell extensions available in GHC, aimed at people who know most of the Standard Haskell core.** The extensions which are currently covere… more
I love profunctors. They're so easy. 16 Oct 2013Liyang HU

Covariant functors, contravariant functors, bifunctors and profunctors. Oh my!
Parsing Floats With Parsec 7 Mar 2013stevely

In this tutorial we build up a simple parser for floating-point numbers using the Parsec parser combinator library.
Basic Lensing 23 Sep 2013Joseph Abrahamson

No description given.
Type Families and Pokemon. 16 Mar 2013nubis

This friendly tutorial will follow the evolution of a program from it's most naive implementation, into a version of the same program which introduces Type Classes, and then finally into it's final form which uses Type Families.
Haskell Fast & Hard Yann Esposito

The SoH Version of Haskell Fast & Hard tutorial. From very beginner up to Monads in a very short and dense tutorial. This tutorial comes from
[yannesposito.com](http://yannesposito.com… more
A regular expression matcher 15 Feb 2017Pedro Vasconcelos

Implementing a simple regular expression matcher using continuations.
Conduit Overview 8 Aug 2016Michael Snoyman

An introduction to the conduit library, a solution to the streaming data problem.
Sum Types 16 Feb 2013Gabriel Gonzalez

No description given.

Pipes tutorial 12 Apr 2014Gabriel Gonzalez

example of why to use monads - what they can do 6 Apr 2014Harold Carr

How Haskell can solve the integration problem 7 Mar 2014Alberto Gómez Corona

MFlow as a DSL for Web applications 21 Nov 2013Alberto Gómez Corona

Part I: Deamortized ST 8 Nov 2013Edward Kmett

Compiled Heist insight, with no Snap in sight 1 Nov 2013Daniel Diaz Carrete

A Little Lens Starter Tutorial 28 Jul 2018Joseph Abrahamson

Web application with concurrency 10 Oct 2013Nikolay Murzin

coin change 14 Nov 2013Carsten König

Working with databases using Groundhog 13 Nov 2013lykahb

Part III: A World in a Bottle 16 Nov 2013Edward Kmett

Simple examples 29 Oct 2017Erik Salaj

Part II: PNGs and Moore 10 Jun 2015Edward Kmett

Part I: From Theory to Pretty Pictures 29 Nov 2014Edward Kmett

Using the Foursquare API to get a list of trending venues 2 Aug 2013Bill Cauchois

Coroutines for streaming DanBurton

ByteString Bits and Pieces 9 Nov 2013Luke Taylor

The Mother of all Monads 21 Apr 2013Dan Piponi

Episode 1 - JSON 7 Apr 2013Alfredo Di Napoli

Guide to GHC Extensions Alexander Altman

I love profunctors. They're so easy. 16 Oct 2013Liyang HU

Parsing Floats With Parsec 7 Mar 2013stevely

Basic Lensing 23 Sep 2013Joseph Abrahamson

Type Families and Pokemon. 16 Mar 2013nubis

Haskell Fast & Hard Yann Esposito

A regular expression matcher 15 Feb 2017Pedro Vasconcelos

Conduit Overview 8 Aug 2016Michael Snoyman

Sum Types 16 Feb 2013Gabriel Gonzalez