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The data knowledge stack

Concurrency is not for the faint-hearted We all know concurrency programming is difficult to get it right. That’s why threading tasks are followed by extensive design and code reviewing ...
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Adding WS-Security over soap using Apache Camel

WS-Security (Web Services Security) is a protocol which allows you to secure your soap web services. The client, who makes the soap request, has to provide a login and a password in ...
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Spring Integration Java DSL sample

A new Java based DSL has now been introduced for Spring Integration which makes it possible to define the Spring Integration message flows using pure java based configuration instead ...
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Java 8 StampedLocks vs. ReadWriteLocks and Synchronized

Synchronized sections are kind of like visiting your parents-in-law. You want to be there as little as possible. When it comes to locking the rules are the same – you want to spend ...
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InterruptedException and interrupting threads explained

If InterruptedException wasn’t checked exception, probably no one would even notice it – which would actually prevent couple of bugs throughout these years. But since it ...
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Law of Demeter in Java – Principle of least Knowledge – Real life Example

Law of Demeter also known as principle of least knowledge is a coding principle, which says that a module should not know about the inner details of the objects it manipulates. If ...
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Meet Fabric8: An open-source integration platform based on Camel and ActiveMQ

Fabric8 Fabric8 is a Apache 2.0 Licensed upstream community for the JBoss Fuse product from Red Hat. It’s is an integration platform based on Apache ActiveMQ, Camel, CXF,Karaf, HawtIO ...
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Using IntelliJ..for 2 weeks, so far so good

It’s been almost 2 weeks that I have completely switched over to IntelliJ as my main Java IDE at home and at work. So far so good, here are my  initial findings.        Migration: ...
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Neo4j 2.1: Passing around node ids vs UNWIND

When Neo4j 2.1 is released we’ll have the UNWIND clause which makes working with collections of things easier. In my blog post about creating adjacency matrices we wanted to show ...
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Connecting to Cassandra from Java

In my post Hello Cassandra, I looked at downloading the Cassandra NoSQL database and using cqlsh to connect to a Cassandra database. In this post, I look at the basics of connecting ...
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