Back from the grave: Model Driven Design
A few weeks ago I attended a symposium that was hold to celebrate the 25 year anniversary of Computer Science at the Utrecht University. In the drink after I talked to…
Category: Technology
Threads-alternative in JEE: using the timerservice
A common problem in in developing Java Enterprise (JEE or J2EE) application is working with threads, or more generally executing code asynchronously. Starting and instantiating threads in the old-fashioned java…
Internal DSLs in Scala
The language Ruby is very extendible, making the language very suitable for designing internal DSL’s – custom languages for domain, or single purpose as you could call it. Togetter with…
Scala and Twitter update
Recently wrote about a presentation on the interesest in Scala of tech-lead at Twitter. On another site a Twitter developer wrote half a year ago that several people at his…
Distributed software with JGroups
JGroups A distributed application, where nodes of the application communicate with each other over a LAN using UDP. Each nodes discovers other nodes automatically, when a node crashes or shuts…
Lessons learnt using JBoss 5 clustering
Last week I spent some time getting clustering to work using JBoss 5.0.0 GA. I made a few mistakes and I thought I share them – even though they were…
Scala and twitter
By stumbled on a presentation by API lead of Twitter on Scala. For a moment I hoped Twitter was developed, but the language used at Twitter is Ruby. The speaker…
Combining Flex and Scala using Liftweb and BlazeDS
I wanted to setup a sample project that uses Flex and Scala. I followed the excellent tutorial on FlexOnRails: Integrating Flex, BlazeDS, and Scala/Lift. The tutorial helps a lot explaining…
Scala release
The final release of Scala 2.7.3 is out! You can download the release from the scala-download page. Some background: Scala is a elegant language that runs on the JavaVM. Unlike…
Parallel execution of SQL
The end of increasing clockspeeds The clock-speed for processors doesn’t increase anymore due to physical limits. The only way for processor-makers like Intel and AMD to increase the speed of…