Software Related Notes by Arnold deVos
Trait Composition (in scala)
Traits are powerful magic when combined with self type annotations and abstract type members. But is this malignant or benevolent magic? I have some tips for dealing with, or avoiding, out-of-control trait compositions.
19 Oct 2015
Wrap up your POJOs
Create a functional DSL for (almost) any imperative POJO building API.
10 Jun 2015
Homage to the Transducer
Clojure transducers and reducers in scala. [With minor updates - 24/10/14]
23 Oct 2014
Erlang Style
Thoughts about Erlang vs. original scala actors vs. Akka inspired by Steve Vinoski's talk at Yow!
02 Jan 2014
Flow Actors: Another Scala Dataflow Library
Flow Actors is a compact library for asynchronous programming within a single JVM.
20 Nov 2013
Soapbox - Another Static Site Generator
Soapbox creates static web sites from markdown, images, plain HTML and other resources. It is an sbt 0.13 plugin and easy to configure via sbt settings or extend with scala code.
09 Oct 2013
Querying a Dataset with Scala's Pattern Matching
This post is about matching patterns against collections, combining patterns in interesting ways and defining patterns in terms of other patterns. Patterns defined in this way look and feel like a lightweight, domain specific query language. Very little supporting code is required.
19 Sep 2010
Generators in Scala
I was playing around with the continuation support in scala last year. I wanted to create something as useful and easy to use as a python generator.
14 Sep 2010
An Update to the Scala Jetty Wrapper
The JettyS library http://github.com/arnolddevos/JettyS has been updated for Scala 2.8. There is also a workaround for a bug in Jetty 6 associated with setLowResourceMaxIdleTime(). An update to Jetty 7 is coming.
11 Aug 2010
Pimping Servlet and Jetty
Sometimes you just want a servlet, not a whole web application framework. But to a Scala programmer the servlet API is pretty ugly.
16 Apr 2010
Polyphonic Scala Actors Part 2
The Joins module is a non-intrusive extension to the scala actors library that allows an actor to respond to a combination of messages called a chord.
14 Nov 2009
Polyphonic Scala Actors Part 1
An actor responds to one message at a time. What if you want it to recognise some combination of messages? The idea is to respond when a combination, or "chord", occurs irrespective of the order in which the individual messages, or "notes", arrive.
21 Oct 2009
