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NoSQL is not just about BigData

There is so much debate on the SQL vs NoSQL subject, and probably this is our natural way of understanding and learning what’s the best way of storing data. After publishing the small ...
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Hibernate 4.3 ORM Tool

Hibernate has recently released the final version of Hibernate ORM 4.3, a Java-based ORM framework that also supports stored procedures and entity graphs. ORM Tool Hibernate 4.3 Released, ...
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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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The signature of reduce() in Ceylon

The Iterable interface defines a method named fold() with this signature:                         Result fold<Result>(Result ...
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Hibernate 4.2.8 , javassist 3.18.1 and ClassCastExceptions – watch out your classpath

I am writing this post as a tip and warning rather than an absolute solution. I will try to come back with a workaround for my case (WebSphere 8.5.5), but I am sure that other developers ...
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AmazonSQS and Spring for messaging queue

The next post will demonstrate how to use Spring JMS templates and DLMC’S together with AmazonSQS API in order to place message queue. Why would I use Amazon SQS?Easy to configure Cross-platfom ...
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Big Data the ‘reactive’ way

A metatrend going on in the IT industry is a shift from query-based, batch oriented systems to (soft) realtime updated systems. While this is associated with financial trading only, ...
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Automatically converting password hashes in Grails spring-security-core

I was looking at this Stack Overflow question about converting password hashes and realized that it’s possible and rather convenient when using the spring-security-core plugin to ...
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Event Emitter in node.js

Event emitter from one class triggers an event to which other functions from other classes can listen. Libraries offer implementations of a framework for publishing events and listening ...
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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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