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Threading stories: ThreadLocal in web applications

This week I spend reasonable time to eliminate all our ThreadLocal variables in our web applications. The reason was that they created classloader leaks and we coudn’t undeploy ...
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JavaFX 2 GameTutorial Part 2

Introduction This is the second installment of a series of blog entries relating to a JavaFX 2 Game Tutorial. If you have not read Part 1 please see the introduction section of ...
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JavaOne 2012 Analysis – Submitted Proposals and Speaker Distribution

Beginning some time last year I started to have a closer look at conferences and their speakers. My main interest was to find out who was speaking how often. One conference was missing ...
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Writing modules for Play 2, part 2: Interceptors

In the first part of this tutorial, we looked at the bare basics for creating, publishing and calling a module. The module we created didn’t really do much, so now it’s time to ...
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JavaFX 2 GameTutorial Part 1

Introduction I believe most software developers at one point in their lives as a youngster (young person) may become compelled to create games to help them learn a programming languages ...
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Word Count MapReduce with Akka

In my ongoing workings with Akka, i recently wrote an Word count map reduce example. This example implements the Map Reduce model, which is very good fit for a scale out design approach. ...
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Frameworks vs Libraries as Inheritance vs Composition?

For quite some time inheritance was the dominant model of structuring programs in OO languages like Java. Very often it was used as a mechanism for reusing code – “common” functions ...
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Runtime vs Compile-Time Classpath

This should really be a simple distinction, but I’ve been answering a slew of similar questions on Stackoverflow, and often people misunderstand the matter. So, what is a classpath? ...
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TeamCity Build Dependencies

Introduction The subject of build dependencies is neither a trivial nor a minor one. Various build tools approach this subject from different perspectives contributing various solutions, ...
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HPROF – Memory leak analysis tutorial

This article will provide you with a tutorial on how you can analyze a JVM memory leak problem by generating and analyzing a Sun HotSpot JVM HPROF Heap Dump file. A real life case ...
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