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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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Groovy
Searching Subversion Logs with Groovy
There are times when I want to quickly search a Subversion repository by author, by range of revisions, and/or by…
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Core Java
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…
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