# Difference between revisions of "Blog articles"

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* [http://www.gaetanocaruana.com/2006/10/02/what-is-so-cool-about-functional-programming/ What is so cool about Functional Programming?] |
* [http://www.gaetanocaruana.com/2006/10/02/what-is-so-cool-about-functional-programming/ What is so cool about Functional Programming?] |
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* [http://azaidi.blogspot.com/2007/04/zen-and-art-of-functional-programming.html Zen and the Art of Functional Programming] |
* [http://azaidi.blogspot.com/2007/04/zen-and-art-of-functional-programming.html Zen and the Art of Functional Programming] |
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+ | * [http://totherme.livejournal.com/3845.html Thinking in types] |
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=== Programming exercises === |
=== Programming exercises === |

## Revision as of 01:28, 28 April 2007

Many areas of Haskell have been explored in the form of blog posts. This page collects the best of those articles from across the web.

## Contents

- 1 Introductions to Haskell
- 2 Comparisons to other languages
- 3 Functional programming
- 4 Programming exercises
- 5 Laziness
- 6 Records
- 7 IO
- 8 Network
- 9 Parallelism and Concurrency
- 10 Performance
- 11 Parsing
- 12 Monads
- 13 Error handling and exceptions
- 14 Types
- 15 Data structures
- 16 Algorithms and techniques
- 17 GUIs
- 18 Graphics
- 19 Web and XML
- 20 Maths
- 21 Testing
- 22 Regular expressions
- 23 The foreign function interface
- 24 Tips and tricks
- 25 Cabal and libraries
- 26 Hardware description languages

### Introductions to Haskell

- Haskell Study Plan
- On Haskell, Intuition And Expressive Power
- Haskell: Raising the bar
- Learning the Haskell programming language
- On learning Haskell
- My evolution as a Haskell programmer
- Why its hard for imperative programmers to learn Haskell
- Flirting with Functional Programming
- Building a Firewall Against Complexity
- Haskell, bondage-and-discipline and separation-of-concerns programming
- Type systems as safety belts
- Haskell introduction for beginners
- Haskell Basics
- Haskell Preliminaries: Implementations and Tools
- Simple Functions in Haskell
- Reconsidering my approach to learning Haskell
- A Haskell study plan
- Haskell Eye for the Ruby Guy

#### First impressions

- Haskell First Impressions
- One month in Haskell
- Thoughts on one week in Haskell
- Haskell, first impressions (with sexy results)
- The beauty of Haskell
- Monad wrangling, and the joy of #haskell
- Learning Haskell
- I like Haskell a lot

### Comparisons to other languages

#### Ruby

- Ruby vs Haskell: choose what works
- Haskell: open secret in Ruby land
- Haskell Eye for the Ruby Guy
- Monads in Ruby
- RushCheck, a lightweight random testing tool for Ruby similar to QuickCheck
- part 1
- zip and transpose
- Pattern matching in Ruby

#### Ada

#### Java

- More Haskell in Java 7 or 8?
- Type classes in Java
- Closures and bottom for Java
- An infinite list in Java
- Maybe monad in Java

#### Eiffel

#### Javascript

#### C

#### C#

- The New Lambda Expressions Feature in C# 3.0
- Immutability, Purity, and Referential Transparency in C#
- Haskell for C# 3 Programmers

#### Scala

#### CAL

#### Python

- Haskell versus Python
- Using Haskell in Python: haskellembed
- Understanding Monads Via Python List Comprehensions

#### Scheme

#### Forth

#### Factor

#### Lisp

#### Lua

### Functional programming

- A fold-like procedure in C
- What's wrong with for loops
- More on what's wrong with for loops
- Liberating Myself from the von Neumann Style
- Programming Productivity and Programming Languages
- Haskell - A valuable language
- On Functional Programming
- Functional programming is a silver bullet
- Silver Bullets Incoming!
- Computers were invented to keep track of boring things
- Functional programming for the rest of us
- What is so cool about Functional Programming?
- Zen and the Art of Functional Programming
- Thinking in types

### Programming exercises

- Diff in Haskell
- Introductory Haskell: Solving the Sorting-It-Out Kata
- Fibonacci series one-liner in Haskell
- A Simple RPN Calculator in Haskell
- Eratosthenes sieve
- Software Cipher
- Secret Santas in Haskell I: Preliminaries
- Secret Santas in Haskell II: Orbits and Lists
- Secret Santas in Haskell III: Lather, Rinse, Repeat 1
- The Dot-Matrix Printhead: a Haskell Toy
- The Revised Dot-Matrix Printhead
- Run length encoding:
- Overlap function in Haskell for rectangles
- Tying Knots Generically
- A quick and dirty theorem prover in Haskell
- Brainf*k interpreter in Haskell
- FourFours in Haskell
- Using Bayesian filtering instead of 'if' in Haskell
- Haskell Bowling
- Prime sieves in Haskell
- Playing with sections in Haskell

#### Games

### Laziness

### Records

### IO

- Haskell I/O for imperative programmers
- Directory tree printing:
- Introductory console IO in Haskell
- Listing files in Haskell
- separating IO from logic -- example
- Programming Haskell
- Design Patterns in Haskell: bracket
- 7 Rules for IO in Haskell

#### Command line arguments

#### Unix

- Simple Unix Tools in Elegant Haskell
- Introductory Haskell Programming in the UNIX Environment
- HSH: a Haskell scripting environment
- Function composition and unix pipes
- Practical Haskell: shell scripting with error handling and privilege separation
- A simple file filter

### Network

#### TCP

- Simple STM TCP server
- Haskell's 'interact' with TCP sockets
- Port Scanner in Haskell
- Simple socket programming:
- On haskell: writing a packet sniffer

#### IRC

### Parallelism and Concurrency

- Threads
- STM and IO
- Synchronised threads:
- More Haskell parallelism

### Performance

### Parsing

- Parser combinators
- Monadic parsing
- Adventures in Haskell: the Parsec magic weapon
- Adventures in Haskell: parsing the game world
- Combinator parsing
- Parser with Writer monad
- Simple Parsec Example: HTMangL
- Parsers, Parsec and Haskell
- Interesting parsers in Haskell
- Explicit Typing, Trail Blazing, and Packrat Parsing
- Playing fast and loose with Parsec for parsing in Haskell
- Config file parsing

### Monads

- The monad laws
- Quick interpreters with the Reader monad
- Monads
- More on Haskell, Side Effects and Code Reuse
- A First Step Into Monads
- More Monads: Stateful Programming
- The theory of monads
- Monads: a field guide
- Variable substitution gives a ... monad
- The monad behind every zipper
- Monads for vector spaces, probability and quantum mechanics pt. I
- Monads, Vector Spaces and Quantum Mechanics pt. II
- A newbie in Haskell land or another monad tutorial
- A newbie in Haskell land : The (->) monad
- Smart classification using Bayesian monads
- 3 open problems with monads
- Monads in 15 minutes: Backtracking and Maybe
- How to make Data.Set a monad
- Monads work because they have a tight interface
- Haskell: bootstrapping into a clue about monads
- Why monads matter
- Monads through Pictures

#### Monad transformers

- A twisted history of monad transformers
- How To Use Monad Transformers
- Local and global side effects with monad transformers
- Grok monad transformers
- A Simple Game with StateT

#### Arrows

#### Comonads

- Comonads and reading from the future
- Evaluating cellular automata is co-monadic
- Reading and co-reading

### Error handling and exceptions

- Error handling in Haskell
- Some Very Basic Haskell and Thoughts on Error Diagnosis
- 8 ways to report errors in Haskell

### Types

- A type-based solution to the 'strings problem'
- Generalised Algebraic Data Types, Phantom Types, and Dependent Types
- Functions, Types, Function Types, and Type Inference
- Building Datatypes in Haskell (part 1)
- Rank-2 polymorphism is a strange thing

#### Type classes

### Data structures

- Queues without pointers
- A Tree Grows Up in Haskell: Building a Dictionary Type
- Haskell Stacks : Two Different Ways
- A counter datatype with constant-time update
- Map fusion: Making Haskell 225% faster

#### Strings

#### Mutable data

### Algorithms and techniques

- Second order folds
- Folds and functional programming
- Fold diagrams
- foldr, foldl
- Dynamic Programming in Haskell

### GUIs

### Graphics

### Web and XML

- Haskell and Web Applications
- Ruby and Haskell: write your Rails backend code in Haskell instead of C
- Writing a Simple Search Engine in Haskell
- Haskell and the web: some ideas in progress
- A search engine (core) written in Haskell
- Haskell Transactional Cache

#### XML, Atom, RSS

- Really simple Atom syndication
- A simple RSS aggregator in 50 lines of Haskell using HXT
- Using the Haskell XML Toolbox

### Maths

#### Haskell for mathematics

- Learn Maths with Haskell
- Practical Synthetic Differential Geometry
- More Low Cost Geometric Algebra
- Algebraic Topology in Haskell
- Infinitesimal Types
- Geometric Algebra for Free!
- Eleven Reasons to use Haskell as a Mathematician
- Laws of Form: An Opinion
- A-algebras and group cohomology
- Prototyping thought
- Computational Group Theory in Haskell
- Carry bits and group cohomology
- Polynomials as numbers
- Non-standard analysis, automatic differentiation, Haskell
- Haskell for Maths: commutative algebra, combinatorics, number theory, and group theory
- Two-dimensional spatial hashing with space-filling curves
- Arithmetic coding in Haskell
- Countable Ordinals in Haskell
- Polynomials as numbers
- The Division Bell
- Haskell, PDF and penrose tilings
- Overloading Haskell numbers

#### Theorem proving

#### Quantum computing

- The Essence of Quantum Computing
- Monads for vector spaces, probability and quantum mechanics pt. I
- Monads, Vector Spaces and Quantum Mechanics pt. II
- Independence, entanglement and decoherence with the quantum monad
- The Shor Quantum Error Correcting Code (and a Monad for Heat)
- The Frame Of Reference Monad

#### Mathematics of Haskell

- Why isn't ListT list a monad?
- Reverse Engineering Machines with the Yoneda Lemma
- Variable substitution gives a...
- From Lb's Theorem to Spreadsheet Evaluation
- Games, Strategies and the Self-Composition of the List Monad.
- Programs are Proofs: Models and Types in Lambda Calculus
- Why Haskell?
- Don't need the Y combinator

### Testing

- Introduction to QuickCheck
- On Unit Testing and Type Safety
- Testing ... testing
- Robustness and QuickCheck

### Regular expressions

### The foreign function interface

### Tips and tricks

### Cabal and libraries

- Cabal and rpms
- Getting started with installing third-party Haskell packages
- The lambda revolution: how you can help
- The lambda revolution, Episode V, the deb strikes back
- Questions on Haskell Style (and Polynomials redux)
- Using the Haskell package system