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How to use the new Apache Http Client to make a HEAD request

If you’ve updated your Apache HTTP Client code to use the newest library (at the time of this writing it is version 4.3.5 for the httpclient and version 4.3.2 for httpcore) from the ...
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Command Design Pattern Applied

Hi there! Today i’m gonna share with you a really great programming design pattern. It has a lot of usages and it is one of my favorites. The programming degin pattern command ...
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Try optimising the memory consumption first

Overview You would think that if you wanted your application to go faster you would start with the CPU profiling.  However, when looking for quick wins, it’s the memory profiler ...
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EJB 3.x : Lifecycle and Concurrency models (part 1)

Java EE component life cycle and concurrency related details might not be new for seasoned professionals, but it is something which can take time to sink in for beginners.                As ...
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OSGi: the gateway into micro-services architecture

The terms “modularity” and “microservices architecture” pop up quite often these days in context of building scalable, reliable distributed systems. Java platform ...
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IDE: 5 most favorite NetBeans features

Development with pleasure…. NetBeans has many interesting features that make development very easy, with few steps, and makes for a very productive environment, in terms of getting ...
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Applying decorator pattern to decorate views on Android

Hi there! Today i’m gonna show how to apply the design pattern decorator to android’s views making use of its dependency injection’s concept. I thought it was a nice, ...
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How to customize / change ActionBar font, text, color, icon, layout and so on with Android

Hi there! Today i’m gonna share a very common task with you. How to customize an ActionBar on Android. We will change layout, font, textsize, textcolor, add listener to it, navigate ...
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Builder Design Pattern Applied

Hi there! Today i’m gonna share the first of a brand new design pattern series i made. The builder design pattern is a very useful and common pattern while developing serious ...
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Game AI – An Introduction to Behaviour Trees

Game AI is a very broad subject and while there is a lot of material out there, I didn’t find something that introduces the concepts gently and at a slower, more understandable pace. ...
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