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Applied Big Data : The Freakonomics of Healthcare

I went with a less provocative title this time because my last blog post (http://brianoneill.blogspot.com/2014/04/big-data-fixes-obamacare.html) evidently incited political flame wars. ...
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Developer Promotion – practical guide & statistics about the Java ecosystem

Before we launched our recent promotion for JavaOne tickets with Java Code Geeks we sought out guides/tutorials about running such a promotion, unfortunately we didn’t find anything ...
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Neo4j: LOAD CSV – Processing hidden arrays in your CSV documents

I was recently asked how to process an ‘array’ of values inside a column in a CSV file using Neo4j’s LOAD CSV tool and although I initially thought this wouldn’t be possible ...
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Is TDD Dead Or Alive?

This blog post is for those of you who are unaware that there is a major debate in contemporary software development happening now, today. People have been wondering about the value ...
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10 things you can do to as a developer to make your app secure: #10 Design Security In

There’s more to secure design and architecture besides properly implementing Authentication, Access Control and Logging strategies, and choosing (and properly using) a good framework. You ...
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JavaFX Tip 5: Be Observable

Even in this time of total NSA surveillance it is still a good idea to implement your JavaFX controls with observability in mind. This is easy to achieve in JavaFX especially compared ...
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JavaFX Tip 4: Have The Final Word

When developing custom controls for JavaFX I would highly recommend to follow in the footsteps of  the core JavaFX controls and to make the API of your controls as final as possible ...
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The madness of layered architecture

I once visited a team that had fifteen layers in their code. That is: If you wanted to display some data in the database in a web page, that data passed through 15 classes in the application. ...
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Test Attributes #1: Validity

In my last post, I created a list of test attributes. If one of them isn’t ok, you need to do some fixin’. This is the first of a series of posts that is going to discuss the different ...
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Compounding double error

Overview In a previous article, I outlined why BigDecimal is not the answer most of the time. While it is possible to construct situations where double produces an error, it is also ...
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