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Converting between Completablefuture and Observable

CompletableFuture<T> from Java 8 is an advanced abstraction over a promise that value of type T will be available in the future. Observable<T> is quite similar, but it promises ...
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Deployment Pipeline for Java EE 7 with WildFly, Arquillian, Jenkins, and OpenShift

Tech Tip #54 showed how to Arquillianate (Arquillianize ?) an existing Java EE project and run those tests in remote mode where WildFly is running on a known host and port. Tech Tip ...
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Getting Started with Machine Learning

“Machine learning” is a mystical term. Most developers don’t need it at all in their daily work, and the only details about it we know are from some university course 5 years ...
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Developing a Data Export Utility with PrimeFaces

My day job involves heavy use of data. We use relational databases to store everything, because we rely on enterprise level data management. Sometimes it is useful to have the ability ...
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Getting Started with PrimeFaces Mobile

Introduction If you have developed an application that utilizes PrimeFaces, or if you are planning to develop a web application for use on desktop and mobile devices, then consider ...
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Cannot Uninstall JavaFX SceneBuilder 1.0 with JDK 8

I was recently removing some of the software development applications, tools, and files I had used from an old Vista-based laptop because the people who are primarily using that laptop ...
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JMS with JBoss A-MQ on OpenShift. Lessons learned about remote Clients and Encryption.

OpenShift is the “open hybrid cloud application platform by Red Hat”. It comes in different flavors and the most interesting part for most of the things you want to do is ...
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Big Data… Is Hadoop the good way to start?

In the past 2 years, I have met many developers, architects that are working on “big data” projects. This sounds amazing, but quite often the truth is not that amazing. TL;TR You ...
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Testing secured EJBs with Arquillian

Testing secured EJBs has been historically hard to get right. Up until now, I have been using proprietary techniques like JBossLoginContextFactory described in the article Testing secured ...
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Java performance tuning survey results (part III)

This is the third post in a series where we analyze the results of a survey conducted in October 2014. If you have not already done so, I recommend to start with the first two posts ...
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