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Core Java
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…
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Ceylon
The signature of reduce() in Ceylon
The Iterable interface defines a method named fold() with this signature: …
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Enterprise Java
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…
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Enterprise Java
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…
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Software Development
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…
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Groovy
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…
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Software Development
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…
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Core Java
An Annotation Nightmare
@XmlElementWrapper(name="orders") @XmlJavaTypeAdapter(OrderJaxbAdapter.class) @XmlElements({ @XmlElement(name="order_2",type=Order2.class), @XmlElement(name="old_order",type=OldOrder.class) }) @JsonIgnore @JsonProperty @NotNull…
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Enterprise Java
Project Student: Persistence With Spring Data
This is part of Project Student. Other posts are Webservice Client With Jersey, Webservice Server with Jersey and Business Layer.…
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