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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 ...
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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 ...
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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 ...
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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 ...
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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, ...
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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 ...
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Expression Based PathTransitions in JavaFX

In JavaFX you are able to animate nodes along a path using PathTransition objects. PathTransitions use Shape objects to describe the path they need to animate along. JavaFX provides ...
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5 Tips for Unit Testing Threaded Code

Here’s a few tips on how take make testing your code for logical correctness (as opposed to multi-threaded correctness). I find that there are essentially two stereotypical patterns ...
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Java: Choosing the right Collection

Here is a quick guide for selecting the proper implementation of a Set , List , or Map in your application. The best general purpose or ‘primary’ ...
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How to Cheat at Application Security

Developers need to know a lot in order to build secure applications. Some of this is good software engineering and defensive design and programming – using (safe) APIs properly, carefully ...
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