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JavaFX Tip 7: Use CSS Color Constants / Derive Colors


When working on FlexCalendarFX I got to the point where I had to define a set of colors to visualize the controls for different calendars in different colors. And not just one color per calendar but several: a background and a text color for deselected / selected / hover states. The  colors were used in several places but for the sake of ...

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JavaFX Tip 6: Use Transparent Colors


Picking the right colors for your user interface elements is always a great challenge, but it is even more challenging when you develop reusable framework controls where you as a developer have no control over the look and feel of the application using them. While you might always add elements on top of the default gray background the developers embedding your controls  might have more ...

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Improve your Feedbackloop with Continuous Testing


Have you ever though about what the most valueable thing in software development was for you? And im not talking about things that value for you personally, but for the success of the development itself. Well i have thought about it, and for me it was Feedback – in any form. It is so important, because it enables steering. Development ...

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Java 8 Friday: More Functional Relational Transformation


In the past, we’ve been providing you with a new article every Friday about what’s new in Java 8. It has been a very exciting blog series, but we would like to focus again more on our core content, which is Java and SQL. We will still be occasionally blogging about Java 8, but no longer every Friday (as some ...

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Use Cases for Elasticsearch: Full Text Search


In the last post of this series on use cases for Elasticsearch we looked at the features Elasticsearch provides for storing even large amounts of documents. In this post we will look at another one of its core features: Search. I am building on some of the information in the previous post so if you haven’t read it you should ...

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Server vs Client Side Rendering (AngularJS vs Server Side MVC)


There’s a lot of discussion related to server vs client side application rendering. While there is no “one choice fits all” solution, I’ll try to argue in favor of client side (specifically AngularJS) from different points of view. First of them is architecture. Architecture Well done architecture has clearly defined separation of concerns (SoS). In most cases minimal high level ...

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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 ( evidently incited political flame wars. In this post, I hope to avoid that by detailing exactly how Big Data can help our healthcare system in a nonpartisan way. First, let’s decompose the problem a bit. Economics Our healthcare system is still (mostly) based on capitalism: ...

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