Readable url’s in Wicket – An introduction to wicketstuff-annotation
Have you ever tried to pronounce a url generated by Wicket? It’s quite a tedious job and often end users want to have understandable url’s (even when that url has no meaning). It’s is quite easy to get...
View ArticleSorting and pagination with Hibernate Criteria – How it can go wrong with joins
Lately I ran into an annoying problem with Hibernate. I tried to do pagination on a query result which was doing an SQL-JOIN under the hood. The query before paging returned about 100 results. When I...
View ArticleUnit testing a Stripes ActionBean wired with Spring Beans
Last friday I spent quite some time to figure out how to initialize my Spring beans when unit-testing some Stripes ActionBeans. There wasn’t any Spring context at all and you really need that for...
View ArticleInstalling Oracle Service Bus 10gR3 on Mac Os X
Last week I installed WebLogic and the AquaLogic Service Bus on a Mac. There is no Mac-download on the download page, but by using the HP-UX version everything works fine, you just have to add some...
View ArticleJava callout on the Oracle / AquaLogic Service Bus – Invoking static methods...
Sometimes a service bus is not sufficient for the job at hand. You can use EJB’s and JMS queues, but that might be overkill. That’s where a java callout might come to the rescue. This article will show...
View ArticleUnleashing the power of geospatial indexing with Scala and MongoDB
Right now I’m following some geospatial tweets and came across an interesting one about a new option to add a geospatial index to a MongoDB. Since I’ve done some stuff with Scala recently I decided to...
View ArticleWebsockets from scratch – Results from a short techrally
Last friday we had a techrally at Xebia. We could pick our subject: MongoDB or Websockets or Canvas. I teamed up with Albert. There also was another websockets team consisting of Mischa, Ron and Frank....
View ArticleAnnoyed by traffic lights? – Solve it with a gps logger, Scala, GeoTools and...
I live in Utrecht, a city where it seems the municipality tries to annoy car drivers as much as possible. Public transport isn’t an option, even despite the traffic jams it’s slower, less reliable and...
View ArticleScala ORM with Squeryl – A simple getting started guide
Since my pet project (I will eventually blog about that) is in desperate need of a database and I’m doing enough Java on my day job I decided to give a Scala ORM framework a shot. I have to warn you...
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