functional programming Archives

Scala streams – out of memory

Post published:January 2, 2018
Post Author:Anton Fagerberg
Post Category:Functional programming / Scala
Post Comments:0 Comments

I was doing Advent of Code and was working on generating numbers based on a pattern (day 15). (more…)

Distributed collections in the standard library

Post published:July 25, 2016
Post Author:Anton Fagerberg
Post Category:Functional programming
Post Comments:0 Comments

When working with sets of data, we usually work with strict (eager) collections. Sometimes we wish to work with lazy collections such as when we're dealing with infinite streams. If…

Developing in F# impressions

Post published:October 24, 2014
Post Author:Johan Olsson
Post Category:.Net
Post Comments:7 Comments

Introduction I am a C# developer and I have nurtured a wish to start developing in F#. I have read some books on F# and written some test, demo and…

Exploring F# through modeling #4

Post published:October 16, 2014
Post Author:Per Ökvist
Post Category:.Net
Post Comments:0 Comments

Introduction In three earlier posts we have explored modeling a Rock-paper-scissor game in F#. We have modeled the domain and infrastructure. In the last post we looked at refactoring and…

Notes about learning Elixir

Post published:October 8, 2014
Post Author:Jan Kronquist
Post Category:Dynamic languages / Java
Post Comments:0 Comments

When I first heard about Elixir at Øredev 2012 I thought it was nice, but I didn't really get it. I remember thinking than Elixir was like Ruby for the…

Comparing Core Async and Rx by Example

Post published:September 16, 2014
Post Author:Johan Haleby
Post Category:Dynamic languages / Tips & Tricks
Post Comments:6 Comments

Last week I saw a core async webinar where David Nolen of Cognitect presented the use of core async with its channels and go blocks in a frontend application using…

Exploring F# through modeling #3

Post published:July 3, 2014
Post Author:Per Ökvist
Post Category:.Net
Post Comments:2 Comments

Introduction In the quest of getting into F# we have explored modeling a rock-paper-scissor game. In the two earlier posts we made a Game aggregate and the GameHandler. In this post we're going…

Exploring F# through modeling #2

Post published:February 24, 2014
Post Author:Per Ökvist
Post Category:.Net
Post Comments:1 Comment

Introduction In the last post we created a simple rock-paper-scissor game. There are still a lot of improvements to be made to the Game itself, we're going to concentrate on…

Exploring F# through modeling

Post published:January 13, 2014
Post Author:Per Ökvist
Post Category:.Net
Post Comments:2 Comments

While using some functional concepts in C#, I felt it was time to move on. Wanting to learn more about functional programming. While many might suggest starting with closjure, erlang,…

Immutable List Collector in Java 8

Post published:November 12, 2013
Post Author:Johan Haleby
Post Category:Java / Tips & Tricks
Post Comments:6 Comments

If you've watched any presentation on Java 8 and lambdas by an Oracle employee in the last year or so you probably haven't missed the "list of shapes" example, it…

Don't publish Domain Events, return them!

Post published:June 20, 2013
Post Author:Jan Kronquist
Post Category:Architecture / Java
Post Comments:44 Comments

During a discussion around some of the code examples in Vaugn Vernon's book Implementing Domain Driven Design we got stuck at what first appeared to be a tiny detail: where…

Point-free programming style in F#

Post published:May 8, 2012
Post Author:Christian Jacobsen
Post Category:.Net
Post Comments:0 Comments

I gave a short presentation at Functional programming Stockholm user group about point-free programming style in F# which I will write a summary of here. I was reading Tomas Petricek's…

Simple Google Maps API Example

Post published:April 2, 2012
Post Author:Henrik Lundahl
Post Category:Dynamic languages
Post Comments:13 Comments

Recently I got to use the Google Maps Javascript API for the first time, which was a quite pleasant experience. The API is thoroughly documented and most of the parts…