Java
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Messaging with RabbitMQ
We previously published a brief tutorial showing how to set up a Spring RabbitMQ Template. Now, let’s take a step…
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The Dangers of Correlating Subtype Polymorphism with Generic Polymorphism
Java 5 has introduced generic polymorphism to the Java ecosystem. This has been a great addition to the Java language,…
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Java 7 Swing: Creating Translucent and Shaped Windows
Java 7 Swing supports windows with transparency and non-rectangular shapes. The following screenshot shows a circular window created with 75%…
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Spring MVC Custom Validation Annotations
Last tutorial, I showed how to validate a form using annotations. This works great for simple validations, but eventually, you’ll…
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Auditing a Spring MVC Webapp with AspectJ. Part 2
Now, this is the blog you want to read if you’re interested in creating a Spring MVC Webapp that uses…
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su and sudo in Spring Security applications
Long time ago I worked on a project that had a quite powerful feature. There were two roles: user and…
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Micro jitter, busy waiting and binding CPUs
Performance profiling a new machine When I work on a new machine, I like to get an understanding of it’s…
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Java EE EJB Interceptors tutorial and example
In this example we are going to see how to use Interceptors in an EJB and test it using a…
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LINQ and Java
LINQ has been quite a successful, but also controversial addition to the .NET ecosystem. Many people are looking for a…
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