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Going to do functional programming

I’ve learned about functional programming during my university years, with Haskell as primary language. I considered functional programming as quite elegant, but also impractical. I felt I could get practical results more quickly when using Java or C# than using Haskell. Sometimes I

Geplaatst in Ideas, Methodology Getagd met , ,

Demonstrating using GWT-RequestFactory and Spring togetter

I present a sample-project that demonstrates using the GWT RequestFactory together with Spring.

Geplaatst in Technology Getagd met , ,

Serializable Exception in Java

When  you use Wicket as webfrontend framework to build your application, sooner or later you’ll encounter the NotSerializableException. This is because Wicket will want to serialize any state you have into a HTTPSession. In Wicket, the first three pages are

Geplaatst in Reviews Getagd met ,

Wicket Exception when using wrong order in addComponent

Today I working on a application that uses the Wicket framework. I was plagued with the following Exception: WicketMessage: org.apache.wicket.WicketRuntimeException: component myForm:myTable:editor not found on page nl.gerbrand-ict.gui.HomePage[id = 4], listener interface = [RequestListenerInterface name=IActivePageBehaviorListener, method=public abstract void org.apache.wicket.behavior.IBehaviorListener.onRequest()] Root cause:

Geplaatst in Technology Getagd met ,

JavaFX 2.0

Yesterday I attended a NLJug meeting at Oracle at De Meern on JavaFX, called ‘JavaFX 2.0 EA‘. The meeting was presented by Roger Brinkley, who’s a called ‘Community leader’, of Mobile and Embedded. That he was formally part of Sun

Geplaatst in Reviews Getagd met ,

Creating an ear with version for Weblogic using Maven

Using the ear plugin of Maven 2 creating an ear is very easy. The produced ear follows the JEE spec, so you can normally use it in any application server. I’m using the ear plugin as well, in my case

Geplaatst in Technology Getagd met

Google buys Instantiations

A while a go I used to do Swing development, and I sometimes used the tool of Instantiations to develop my GUI. I quite liked the tool. Before that I used Visual Basic and Visual Studio frequently. I never fully

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Stuff to research: JDO on Cassandra, GIT on Windows, Restlet, VMForce

Just had evening of just trying out stuff and not finishing anything on my Windows machine. I wanted to try out a persistence API for Cassandra. There’s a JPA implementation for Cassandra: Kundera, as well as JDO implementation, on top

Geplaatst in Technology Getagd met ,

Proxying authentication using JBoss

Wouldn’t it be nice if the connection to the database is done using the same username as the username used to login to a (JEE) application? Oracle has a solution for that: proxy authentication.  When using proxy authentication, every application

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Scala and Java

When you say Ruby, you say Rails. When you say Groovy, you say unit-tests, scripting and integration. Well that might be over-acted, but that’s what most people make of it. Some people remark Scala is best-suited for backend-code, or very

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Google

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