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Core Java
When a String is Null but Not Null
Introduction A junior programmer on my team at work had an interesting bug. Its symptoms I have seen more than…
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Enterprise Java
Resource scheduling and task launching with Apache Mesos and Apache Aurora at Twitter
Episode # 23 of the podcast was a talk with Bill Farner Bill explained how Twitter, using Apache Mesos and Apache Aurora,…
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DevOps
Linux productivity tools for me
This is the stack/are the tools that keep me productive in my day to day programming experience on linux. Well,…
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Core Java
How to Use Callable and FutureTask
Introduction Since Java 1.5 there has been a new set of objects under java.util.concurrent. This package has a number of…
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Software Development
Legacy Code to Testable Code #5: Extract Class
This post is part of the “Legacy Code to Testable Code” series. In the series we’ll talk about making refactoring…
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Meta JCG
Java Code Geeks and ZK are giving away FREE ZK Charts Licenses (worth over $2700)!
Struggling with the creation of fancy charts for your Java based UI? Then we have something especially for you! We…
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Software Development
3 Simple Guidelines to Rule Development, Design and Traceability
(Article guest authored together with John Hurlocker, Senior Middleware Consultant at Red Hat in North America) In this tips and…
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Enterprise Java
Hibernate application-level repeatable reads
Introduction In my previous post I described how application-level transactions offer a suitable concurrency control mechanism for long conversations. All…
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Core Java
Explore Git Internals with the JGit API
Have you ever wondered how a commit and its content is stored in Git? Well, I have, and I had…
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