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Trace output with Drools

Drools 6 includes a trace output that can help get an idea of what is going on in your system,  and how often things are getting executed, and with how much data. It can also help ...
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Java Code Geeks and ej-technologies are giving away FREE JProfiler Licenses (worth over $2000)!

Tired of having performance issues on your live servers? Then we have something especially for you! We are partnering with ej-technologies, creator of cool Java tools, and we are running ...
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Don’t Miss out on Writing Java 8 SQL One-Liners with jOOλ or jOOQ

More and more people are catching up with the latest update to our platform by adopting functional programming also for their businesses. At Data Geekery, we’re using Java 8 for our ...
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Six Tips for Interviewing Scrum Masters, Part 1

People want to know the “secret sauce” for hiring Scrum Masters and agile coaches. I wish it was easy to provide a standard set of questions. Because your agile team is unique, ...
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Jar Hell made Easy – Demystifying the classpath with jHades

Some of the hardest problems a Java Developer will ever have to face are classpath errors: ClassNotFoundException, NoClassDefFoundError, Jar Hell, Xerces Hell and company. In this post ...
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Java EE 7 with Angular JS – CRUD, REST, Validations – Part 2

This is the promised follow up to the Java EE 7 with Angular JS – Part 1. It took longer than I expect (to find the time to prepare the code and blog post), but it’s finally here! The ...
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Kafka Benchmark on Chronicle Queue

Overview I was recently asked to compare the performance of Kafka with Chronicle Queue.  No two products are exactly alike, and performing a fair comparison is not easy.  We can try ...
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How to connect to MongoDB from a Java EE stateless application

In this post I will present how to connect to MongoDB from a stateless Java EE application, to take advantage of the built-in pool of connections to the database offered by the MongoDB ...
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Reducing the frequency of major GC pauses

This post will discuss a technique to reduce the burden garbage collection pauses put on the latency of your application. As I have written couple of years ago, disabling garbage collection ...
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Dead simple configuration

Whole frameworks have been written with the purpose of handling the configuration of your application. I prefer a simpler way. If by configuration we mean “everything that is likely ...
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