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Core Java
Processing huge files with Java
I recently had to process a set of files containg historical tick-by-tick fx market data and quickly realized that none…
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Clojure
Clojure: Reading and writing a reasonably sized file
In a post a couple of days ago I described some code I’d written in R to find out all…
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Enterprise Java
MapReduce Algorithms – Secondary Sorting
We continue with our series on implementing MapReduce algorithms found in Data-Intensive Text Processing with MapReduce book. Other posts in…
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Enterprise Java
Hibernate Search 4.2 final released: spatial query supported
JBoss has announced the release of Hibernate Search 4.2 final. You may download it from Sourceforge or use the Maven…
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Core Java
Garbage Collection Analysis of PCGen
Introduction I decided to combine two software loves of mine and perform some analysis on PCGen, a popular Java based…
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Core Java
How many threads do I need?
It depends on your application. But for those who wish to have some insight about how to squeeze out most…
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Software Development
Dev vs QA, should there really be a distinction?
We had our scrum of scrum meetings last Wednesday where all scrum masters meet up with our line manager to…
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Core Java
QOTD: Java Thread vs. Java Heap Space
The following question is quite common and is related to OutOfMemoryError: unable to create new native thread problems during the…
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Enterprise Java
@Cacheable overhead in Spring
Spring 3.1 introduced great caching abstraction layer. Finally we can abandon all home-grown aspects, decorators and code polluting our business…
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