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It’s All About Tests – Part 1

This post is the first of a series of three.Mindset of testing Techniques Tools and TipsThe Mindset Testing code is something that needs to be learned. It takes time to absorb how ...
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Apache Lucene 5.0.0 is coming!

At long last, after a strong series of 4.x feature releases, most recently 4.10.2, we are finally working towards another major Apache Lucene release! There are no promises for the ...
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Java Code Geeks sponsor Philadelphia Java Users’ Group November 2014 Meeting

Here at Java Code Geeks, we love interacting with fellow geeks and we always strive to provide as much value as possible to our great audience. In our continuous effort to support the ...
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Unit Testing exercise with FizzBuzz and JUnitParams

I sometimes use FizzBuzz to demonstrate the basics of unit testing to newbies. Although FizzBuzz is really simple problem, it can also be used to demonstrate more advanced unit testing ...
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Don’t Miss out on Awesome SQL Power with FIRST_VALUE(), LAST_VALUE(), LEAD(), and LAG()

If you’re using a commercial database or PostgreSQL / Firebird / CUBRID, you will be able to take advantage of the full power of window functions. We’ve blogged about window functions’ ...
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Multithreading and Concurrency Interview Questions and Answers – The ULTIMATE List (PDF Download)

EDITORIAL NOTE: Concurrency is always a challenge for developers and writing concurrent programs can be extremely hard. There is a number of things that could potentially blow up and ...
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What is your “x”? The technical details about the Devoxx Keynote Demo

If everything went fine, I just got off the stage and ended the demo part of Mike’s (@mpiech) demo.We talked a lot about xPaaS. The different pieces of the puzzle that we integrated ...
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OSGi Testsuite: Introducing Classname Filters

OSGi Testsuite is a JUnit test-runner that collects dynamically test classes for execution. It has been published by my fellow Rüdiger about a year ago and proven useful in some projects ...
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Agile Through a Matrix Lens

“Agile” is something most teams do wrong*, without realizing they’re doing it wrong.  A good 2×2 matrix acts as a lens, helping to convert information into insight.  Let’s ...
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Don’t Migrate to MariaDB just yet. MySQL is Back!

Now that I have your attention, I’d like to invite you to a critical review of where we’re at in the MySQL vs. MariaDB debate. Around one month ago, I visited Oracle Open World ...
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