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FX Playground

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Introduction FX Playground is a JavaFX-based prototyping tool or live editor that eliminates the step of compiling Java code. This concept isn’t new, for instance the Web world there are many HTML5 playgrounds that offer online editors that enable developers to quickly prototype or experiment with various JavaScript libraries. This allows the developer to focus on visualizations or UI details ...

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How to Evaluate Job Offers

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At some point in a career, many will be in a position to decide between multiple job offers from different companies – or at worst having to decide between accepting a new job or staying put. When starting to compare offers, it is common for the recipient to focus on the known quantities (i.e. salary, bonus, etc.) and perhaps a couple additional details that are generally ...

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Building extremely large in-memory InputStream for testing purposes

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For some reason I needed extremely large, possibly even infinite InputStream that would simply return the samebyte[] over and over. This way I could produce insanely big stream of data by repeating small sample. Sort of similar functionality can be found in Guava: Iterable<T> Iterables.cycle(Iterable<T>) and Iterator<T> Iterators.cycle(Iterator<T>). For example if you need an infinite source of 0 and 1, simply sayIterables.cycle(0, 1) and get 0, 1, 0, 1, 0, 1... infinitely. ...

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Test Attribute #4 – Accuracy

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This is the 4th post on test attributes that were described in the now even more famous “How to test your tests” post. If you want training and/or coaching on testing, contact me. Accuracy is about pinpointing the location of the failing code. If we know where the offending code is, we can easily analyze what problem we caused, and ...

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JAXB – A Newcomer’s Perspective, Part 1

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I know what a lot of you are already thinking, so let’s get this out of the way: “JAXB? As in XML? Come on, all the cool kids are using JSON.” The “XML vs. JSON” debate and the many arguments that contribute to it are pretty well documented; I won’t spend a lot of time rehashing them here. I believe ...

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JavaFX Tip 12: Define Icons in CSS

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When you are a UI developer coming from Swing like me then there is a good chance that you are still setting images / icons directly in your code. Most likely something like this:                 import javafx.scene.control.Label; import javafx.scene.image.ImageView; public class MyLabel extends Label { public MyLabel() { setGraphic(new ImageView(MyLabel.class. getResource("image.gif").toExternalForm())); } }   ...

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Integrate apps with Neo4j using Zapier

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Recently, I was directed to Zapier to get some lightweight integration done between systems for a quick proof of concept. Initially skeptical, I found that it really could save time and tie together all those pieces of your system you never got around to integrating. Moreover, it is a way for people to integrate the applications they use without having ...

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Java Keystore Tutorial

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                      Table Of Contents 1. Introduction 2. SSL and how it works 3. Private Keys 4. Public Certificates 5. Root Certificates 6. Certificate Authorities 7. Certificate Chain 8. Keystore using Java keytool 9. Keystore Commands 10. Configure SSL using Keystores and Self Signed Certificates on Apache Tomcat   1. Introduction ...

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Enterprise Integration Patterns (EIP) Revisited in 2014

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Today, I had a talk about “Enterprise Integration Patterns (EIP) Revisited in 2014″ at Java Forum Stuttgart 2014, a great conference for developers and architects with 1600 attendees. Enterprise Integration Patterns Data exchanges between companies increase a lot. Hence, the number of applications which must be integrated increases, too. The emergence of service-oriented architectures and cloud computing boost this even ...

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