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Java Object Interning

Java stores the string contants appearing in the source code in a pool. In other words when you have a code like:                   String a = "I am a string"; String b = "I am a strin ...
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3 Reasons to choose Vert.x

Modern web applications and the rise of mobile clients redefined what is expected from a web server. Node.js was the first technology that recognized the paradigm shift and offered a solution. The application platform Vert.x take ...
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Parameterized JUnit tests

Sometimes you encounter a problem that just screams for using “parameterized” tests rather than copy/pasting the same method many times.   The test method is basically the same and the only thing that changes is the d ...
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Spring Data Couchbase 1.0 GA Released

Spring Data Couchbase 1.0 GA release is here! The project is a part of the Spring Data project which aims to provide a familiar and consistent Spring-based programming model for new datastores while retaining store-specific featur ...
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How to start multiple WebLogic managed servers

The WebLogic Server docs recommand you to create a dedicated admin server and then sepearate managed servers for application deployment. Here I will show you how to create one or more managed server in the same host as the admin s ...
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Atom, Hackable Text Editor By GitHub

GitHub has recently announced its new text editor – Atom. It claimed it would be a 21st century text editor that highly customizable for you to do anything you want. It also allow developers hack to its core of the editor, just ...
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Scala: OOP basics

The most part of time when I’m coding I use Java. So it’s my main programming language. It satisfies me in all aspects, but I notice that Java is too verbose sometimes. That’s why I have switched to Scala. So all free time I ...
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Using Lucene’s search server to search Jira issues

You may remember my first blog post describing how the Lucene developers eat our own dog food by using a Lucene search application to find our Jira issues. That application has become a powerful showcase of a number of modern Luce ...
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HOW-TO: Test dependencies in a Maven project (JUnit, Mockito, Hamcrest, AssertJ)

JUnit itself is not enough for most of today’s Java projects. You also need a mocking library, maybe something else. In this mini HOW-TO I present the test dependencies you can start with in a new Java project. All starts wi ...
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Java 8 Friday Goodies: SQL ResultSet Streams

At Data Geekery, we love Java. And as we’re really into jOOQ’s fluent API and query DSL, we’re absolutely thrilled about what Java 8 will bring to our ecosystem. We have blogged a couple of times about some nice Java 8 goodi ...
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