Posted by Jan Vermeir around lunchtime: September 7th, 2009
In this post I will describe the proof of concept I’ve done for one of our customers in the Netherlands. The assignment was to implement Single Sign On using Weblogic Platform 10.2 infrastructure. I will explain the options available to pass security information around and describe the solution we’ve implemented.
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Posted by Jan Vermeir in the late evening: January 15th, 2008
Unit tests are brittle: if you change the class under test there’s a more than average chance that you will have to change a load of unit test as well. On the other hand unit tests help you think about design on a micro level. The test shows what a method is supposed to do, without room for the interpretation errors you get when using abstractions as design.
So, should we use unit tests or not?
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Posted by Jan Vermeir in the early afternoon: November 20th, 2006
I recently read a book called ‘Design Rules, Vol. 1: The Power of Modularity’ written by Carliss Y. Baldwin and Kim B. Clark. It was pointed out to me by Adrian Colyer during the excellent AOP training mentioned in the previous post.
The title ‘Design Rules’, note the plural ‘Rules’, is something of a misnomer. In fact the authors describe only a single rule, albeit a very important one. They argue that the computer industry started its spectacular growth after clever engineers at IBM decided to break up the design of the 360 family into a set of modules that depended on each other through interfaces.
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