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Core Java
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…
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Software Development
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…
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Core Java
100 Multithreading and Java Concurrency Interview Questions and Answers – The ULTIMATE List (PDF Download)
In this post, we feature a comprehensive article on Multithreading and Java Concurrency Interview Questions and Answers. EDITORIAL NOTE: Concurrency…
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Software Development
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…
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Enterprise Java
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…
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Agile
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…
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Software Development
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…
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Android Core
Develop android weather app with Material Design
This post describes how to create a weather app using material design guidelines. Material Design is a set of rules…
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Core Java
Java performance tuning survey results (part I)
We conducted a Java performance tuning survey during October 2014. The main goal of the survey was to gathering insight…
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