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FactoryPal: New Scala framework for creating objects as test data

FactoryPal is a scala framework that lets you create objects as test data. All you have to do is define the templates for each of the classes that you want FactoryPal to create objects ...
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A Selenium/WebDriver example in Java

A couple of years back, I was pitching for some work and the client wanted to see how I would tackle a real world problem. They asked me to automate some tasks on the woot.com web site. The ...
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Local variables inside a loop and performance

Overview Sometimes a question comes up about how much work allocating a new local variable takes.  My feeling has always been that the code becomes optimised to the point where this ...
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Weak, Weaker, Weakest, Harnessing The Garbage Collector With Specialist References

When and when not to use specialist references in Java Weak, Soft and Phantom references are dangerous and powerful. If they are used the wrong way they can destroy JVM performance; ...
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Agile Software Developer Terminology for New Programmers

This is a post for new developers, young, inexperienced or old and retraining into information technology. Recently, I had a discussion with many engineers at one of those many London ...
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Using Apache Commons Functor functional interfaces with Java 8 lambdas

Apache Commons Functor (hereon [functor]) is an Apache Commons component that provides a functional programming API and several patterns implemented (visitor, generator, aggregator, ...
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Ensuring the order of execution for tasks

Sometimes it is necessary to impose certain order on the tasks in a threadpool. Issue 206 of the JavaSpecialists newsletter presents one such case: we have multiple connections from ...
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Can synchronization be optimised away?

Overview There is a common misconception that because the JIT is smart and synchronization can be eliminated for an object which is only local to a method that there is no performance ...
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JAXB – Representing Null and Empty Collections

Demo Code The following demo code will be used for all the different versions of the Java model. It simply sets one collection to null, the second to an empty list, and the third to ...
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A simple Groovy issue tracker using file system

It will be a chaos not to track bugs and feature requests when you developing software. Having a simple issue tracker would make managing the project much more successful. Now I like ...
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