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RabbitMQ – Processing messages serially using Spring integration Java DSL

If you ever have a need to process messages serially with RabbitMQ with a cluster of listeners processing the messages, the best way that I have seen is to use a “exclusive consumer” ...
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Updates on CDI 2.0

CDI 2.0 is the next version of Contexts and Dependency Injection for the Java EE Platform and a candidate for inclusion in Java EE 8. It is being worked upon since September 2014 and ...
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Really Too Bad that Java 8 Doesn’t Have Iterable.stream()

This is one of the more interesting recent Stack Overflow questions: Why does Iterable not provide stream() and parallelStream() methods? At first, it might seem intuitive to make it ...
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The New Agile – Certifications

Last time we looked at how things came to be. How things converged around a group of software developers in a ski resort: There were actual experiments in the field with reported successes. ...
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Creating a REST API with Spring Boot and MongoDB

This year I greeted Christmas in a different fashion: I was a part of the Java Advent Calendar. Let’s boot up for Christmas: Spring Boot is an opinionated framework that simplifies ...
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The Inconvenient Truth About Dynamic vs. Static Typing

Sometimes there are these moments of truth. They happen completely unexpectedly, such as when I read this tweet: Good discussion of Facebook Flow – http://t.co/5KTKakDB0w — ...
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Good Enough

We hear a lot about building products which are “good enough” or “just barely good enough.” How do we know what “good enough” means for our customers?  No one really tells ...
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5 ways to initialize lazy relations and when to use them

Lazy loading of relations between entities is a well established best practice in JPA. Its main goal is to retrieve only the requested entities from the database and load the related ...
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One Jar To Rule Them All: Arquillian + Java 8

With Java 8, a lot of new language improvements have been implemented for making life of developer easier. In my opinion, one of the greatest things it has Java 8 is that in some situations ...
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Own your heap: Iterate class instances with JVMTI

Today I want to talk about a different Java that most of us don’t see and use every day, to be more exact about lower level bindings, some native code and how to perform some small ...
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