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Desktop Java
Generating Barcodes in PDFs with Flying-Saucer
Flying-Saucer is a nice library to generate PDF documents from within Java applications. Just generate a bunch of XHTML, throw…
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Desktop Java
Hand and Finger Detection using JavaCV
This post is part of a series on Natural User Interfaces (NUIs) published by Dr. Andrew Davison and deals with…
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Desktop Java
Multi-threading in Java Swing with SwingWorker
If you’re writing a desktop or Java Web Start program in Java using Swing, you might feel the need to…
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Core Java
Performance of inlined virtual method invocations in Java
Overview One of the benefits of dynamic compilation it the ability to support extensive method inlining on virtual method code.…
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Android Core
AChartEngine – A Charting Library for Android Applications
As its name suggests, AChartEngine is a charting library that can be used in Android applications. It supports all the…
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Core Java
The Java ByteBuffer – a crash course
In my experience, java.nio.ByteBuffer is a source of confusion and subtle bugs when developers first encounter it, because it is…
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Core Java
Should I use a 32- or a 64-bit JVM?
This is a question I have faced several times during my career in enterprise software development. Every once in awhile…
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Core Java
Escaping the JVM heap for memory intensive applications
If you’ve ever allocated large Java heaps, you know that at some point – typically starting at around 4 GiB…
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Groovy
Groovy: Multiple Values for a Single Command-line Option
One of the many features that makes Groovy an attractive scripting language is its built-in command-line argument support via CliBuilder.…
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