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Java Annotations – Retention

Consider a Java annotation: public @interface AnAnnotaton {} A class with this annotation applied on it: @AnAnnotaton class AnAnnotatedClass{ } And a test which checks if this annotation is present on a class: import sta ...
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Can you get by without estimating? Should you try?

Estimating remains one of the hardest problems in software development. So hard in fact that more people lately are advocating that we shouldn’t bother estimating at all. David Anderson, the man behind Kanban, says that we shoul ...
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BAM, SOA & Big Data

Leveraging Big Data has become a commodity for most IT departments. It’s like the mobile phone. You can’t remember the times when you couldn’t just call someone from your mobile, no matter where you are in the world, can you ...
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Maven Cargo plugin for Integration Testing

A very common need in the lifecycle of a project is setting up integration testing. Luckily, Maven has built-in support for this exact scenario, with the following phases of the default build lifecycle (from the Maven documentatio ...
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Computer Science Education in High Demand

The growing need for qualified computer programmers and the availability of free, online education programs is what inspired today’s post by Olivia Leonardi. She is looking to add to a discussion on Java Code Geeks that laid out ...
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Pragmatic Thinking and Learning – how to think consciously about thinking and learning

Firstly, I think every programmer should read this book, even more, anyone whose career requires constant learning new things, skills of effective thinking and problem solving, should read this book as well. Why? Because in this p ...
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A Generic and Concurrent Object Pool

In this post we will take a look at how we can create an object pool in Java. In recent years, the performance of the JVM has multiplied manifold that object pooling for better performance has been made almost redundant for most t ...
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Don’t Prioritize Features!

Estimating the “value” of features is a waste of time. I was in a JAD session once where people argued about if the annoying beeping (audible on the conference line) was a smoke alarm or a fire alarm. Yes, you can get to an ...
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Software Developers Hate Worthless Tasks

Most software developers that I know, especially the best ones, loathe worthless tasks. This is probably true of most people who strive to do what they do to the best of their ability, but I’m not aware of any area in which ...
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Make JFrame transparent

First create a frame that has a slider in it which will be used to set transparency amount. import javax.swing.JFrame; import javax.swing.JSlider;public class TransparentFrame extends JFrame { public TransparentFrame() ...
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