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How to serialize an array of doubles with a byte (binary delta encoding for low-varianced monotonic sets of floating point data)

Low latency systems require high performance message processing and passing. As in most cases data has to be transfered over the wire or serialised for persistence, encoding and decoding ...
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The Decorator Pattern

The Decorator Pattern One design pattern that I don’t see being used very often is Decorator. I’m not sure why this pattern isn’t more popular, as it’s quite handy. The Decorator ...
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On Java Collection Waste

This article is about overhead posed by one of the most popular frameworks used – I bet there is close to no applications where the java.util.Collections is not used. The article ...
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Closing 2013 with Core Java Posts

As 2013 starts drawing to a close, I have recently spotted several posts related to what I consider “core Java” knowledge appearing. This post is a listing of three posts ...
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java.util.Random in Java 8

One of the neat features of java.util.Random class in Java 8 is that it has been retrofitted to now return a random Stream of numbers. For eg, to generate an infinite stream of random ...
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Setup your Java development environment in your new Mac in 10 minutes (updated)

This is just a small update post that references 2 older entries ( a, b) , I just combine them in one, like an one step procedure plus making sure that everything works under the latest ...
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RxJava: From Future to Observable

I first came across Reactive Extensions about 4 years ago on Matthew Podwysocki’s blog but then haven’t heard much about it until I saw Matthew give a talk at Code Mesh a few weeks ...
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How to write one of the fastest expression evaluators in Java

Granted, the title is a bit of an attention grabber, but nevertheless true (You course you never trust a benchmark you didn’t fake yourself – but that’s another story). So ...
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An Annotation Nightmare

                      @XmlElementWrapper(name="orders") @XmlJavaTypeAdapter(OrderJaxbAdapter.class) @XmlElements({ @XmlElement(name="order_2",type=Order2.class), ...
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Memory leaks and memory management in Java applications

One of the more prominent features of the Java platform is its automatic memory management. Many people translate this feature erroneously into there are no memory leaks in Java. However, ...
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