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Android Game Development – Design In-game Entities – The State Pattern

In this part I will try to explain how to design easily extensible and maintainable game elements that control their own internal state and behaviours. An internal state is best described ...
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Scala Tutorial – scala.io.Source, accessing files, flatMap, mutable Maps

Preface This is part 8 of tutorials for first-time programmers getting into Scala. Other posts are on this blog, and you can get links to those and other resources on the links ...
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Services, practices & tools that should exist in any software development house, part 1

I truly believe that it’s part of our job, some sort of duty, to evangelize the correct way of working within the company / department we work for. Apart from doing our regular ...
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Android Game Development – OpenGL Texture Mapping

In the previous two articles (article 1 and article 2) I have tried to introduce OpenGL ES on android. Now let’s take it further and build on them. In this article we will create ...
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Scala Tutorial – Maps, Sets, groupBy, Options, flatten, flatMap

Preface This is part 7 of tutorials for first-time programmers getting into Scala. Other posts are on this blog, and you can get links to those and other resources on the links ...
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Spring Insight – Web Application Profiling

Are you writing Web Applications using Spring Framework? Have you ever thought what’s going on under the hood? Why your application is responding so slowly? Why the snail outside ...
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Scala Tutorial – regular expressions, matching and substitutions with the scala.util.matching API

Preface This is part 6 of tutorials for first-time programmers getting into Scala. Other posts are on this blog, and you can get links to those and other resources on the ...
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Best Of The Week – 2011 – W40

Hello guys, Time for the “Best Of The Week” links for the week that just passed. Here are some links that drew JavaCodeGeeks attention: * Getting Started with JPA 2 Tutorial: ...
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Java EE6 Decorators: Decorating classes at injection time

A common design pattern in software is the decorator pattern. We take a class and we wrap another class around it. This way, when we call the class, we always pass trough the surrounding ...
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Scala Tutorial – regular expressions, matching

Preface This is part 5 of tutorials for first-time programmers getting into Scala. Other posts are on this blog, and you can get links to those and other resources on the ...
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