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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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Converting XML to CSV using XSLT 1.0

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This post shows you how to convert a simple XML file to CSV using XSLT. Consider the following sample XML:                 <library> <book> <author>Dan Simmons</author> <title>Hyperion</title> <publishDate>1989</publishDate> </book> <book> <author>Douglas Adams</author> <title>The Hitchhiker's Guide to the Galaxy</title> <publishDate>1979</publishDate> </book> </library> This is the desired CSV output: author,title,publishDate Dan Simmons,Hyperion,1989 Douglas Adams,The Hitchhiker's Guide ...

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JavaFX Tip 11: Updating Read-Only Properties

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Custom controls often feature “read-only” properties. This means that they can not be set from outside the control, not even from their own skin class. It is often the behaviour of a control that leads to a change of the read-only property. In JavaFX this behaviour can be implemented in the control itself and in the skin. So we sometimes end up ...

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