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Java EE 7: JMS 2.0 With Glassfish v4

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Java EE 7 has been recently accepted by the Executive Committee. This means that soon we should have Java EE 7 application servers available on the market. One of the specifications that constitutes Java EE 7 is JMS 2.0. Some interesting improvements were introduced since version 1.1. JMS has a lot of weird stuff like:

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Spring MVC: form handling vol. 2 – checkbox processing

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It’s hard to imagine a situation when a modern web-application doesn’t have checkboxes in a form. In one of the previous posts I wrote about form handling in Spring MVC, as a continuation of this series I’m going to write about Spring MVC forms, and in particular about checkbox processing. This post will be about a standard usage of tag. ...

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JDK 8’s Calendar.Builder

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One of the defining characteristics of the brave new world of Java is the increasing prevalence of the builder pattern in the Java space. Groovy, which appears to be the most popular alternative language (to Java) on the JVM, is well-known for its heavy use of the Builder in both the core libraries and in Groovy-supported libraries and frameworks. Josh ...

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Synchronising Multithreaded Integration Tests revisited

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I recently stumbled upon an articleSynchronising Multithreaded Integration Tests on Captain Debug’s Blog. That post emphasizes the problem of designing integration tests involving class under test running business logic asynchronously. This contrived example was given (I stripped some comments):               public class ThreadWrapper { public void doWork() { Thread thread = new Thread() { ...

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Lazy sequences in Scala and Clojure

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Lazy sequences (also known as streams) are an interesting functional data structure which you might have never heard of. Basically lazy sequence is a list that is not fully known/computed until you actually use it. Imagine a list that is very expensive to create and you don’t want to compute too much – but still allow clients to consume as ...

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Advanced routing in Play Framework

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We frequently get questions about how to meet all sorts of different routing needs in Play Framework. While the built in router is enough for most users, sometimes you may encounter use cases where it’s not enough. Or, maybe you want a more convenient way to implement some routing pattern. Whatever it is, Play will allow you to do pretty ...

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Maven Release to Nexus

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1. Overview In the previous article of this series, we set up a deployment process with Maven to Nexus. In this article, we’ll configure the Release Process with Maven – both in the pom of the project as well as in a Jenkins job. 2. Repository in the pom In order for Maven to be able to release to a ...

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