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Java: Schedule a job to run on a time interval

Recently I’ve spent some time building a set of tests around rolling upgrades between Neo4j versions and as part of that I wanted to log the state of the cluster as the upgrade was ...
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Camel CXF Service With Multiple Query Parameters

While the awesome Apache Camel team is busy fixing the handling of the multiple parameters in the query, here’s a workaround. Hopefully, this post will become obsolete with the next ...
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Optimistic locking retry with MongoDB

In my previous post I talked about the benefit of employing optimistic locking for MongoDB batch processors. As I wrote before, the optimistic locking exception is a recoverable one, ...
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Groovy’s magical NullObject

In this post I am going to explain some not that obvious differences of null in Java and null in Groovy. Let’s start with the following line:               Object ...
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Getting Started with method security in Grails using Spring Security

This blog post will be about implementing method level security with security expressions in Grails using the Spring Security plugins. I assume you have some basic understanding of ...
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Android Volley Tutorial: Post and download image

In this post, I want to describe how to use a very powerful and easy to use library for Android. This library is called Volley and it can be used to handle networking connection. In ...
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A MindMap for Java Developer Interviews

Over the years I have been a panelist in many of the interviews for Java Developers. I have previously written a post titled Top 7 tips for succeeding in a technical interview for ...
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How to Optimize Your Website for Speed

Hey guys! Today we have a guest post about some tips on how to speed up your website! He’s currently working for an e-commerce website and one of his tasks is to make the site ...
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Java VM – Beware of the YoungGen space

As you may have seen from our previous performance oriented articles, a healthy JVM is one of the most important goals to achieve for optimal application performance and stability. ...
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What Garbage Collector are you using?

Our research labs are humming at full speed. With the recent injection of capital, we can only warrant that the pace at which we keep innovating will only increase. Part of the research ...
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