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I recently had the pleasure of Installing Libre Office 3.6 on a recent Windows 64 bit system. First, I found it does install. If you have a previous Libre Office instance on the machine, the installer fails with a message like “stop the quickstarter before the installer can continue”. Can the installer not do this […]

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4 minutes

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767

Here is a complete verbatim build.sbt for ScalaFX that works on MacOS X Lion and Java SE 7 Update 5: Java 7 up to Update 5 already includes JavaFX 2.1. Therefore there is no need to explicitly install in the jfxrt.jar inside a Maven directory. However, I am unsure how to link ScalaFX with JavaFX […]

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ScalaFX build does not work out of the box with SBT. Here is a little bit of extra help if you are new to ScalaFX, Scala and SBT; and are attempting to build the project yourself. The Plugin configuration has the wrong URL, if your set up does not allow GIT as HTTP protocol. Fortunately, […]

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3 minutes

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514

How do you get custom ordering in a Scala TreeMap? Well this puzzled me for a while. The answer lies in the world of implicits and receiver type converters. In a nut shell, a scala.collection.immutable.TreeMap is a SortedMap. If you look at the documentation for TreeMap, you will see it takes an Ordering[T] as an […]

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Out-of-Date I am afraid that information is out of out-of-date. Some specification did not make the Java EE 7 release timeframe of June 2013. There is an up-to-date table in my book Java EE 7 Developer Handbook For more information, head over to the Java EE 7 Platform Specification release site I started to fill […]

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3 minutes

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475

I first got involved with commercial UNIX in the early 1990s. It was fascinating experience on Sun Microsystems SunOS 4.1.3, if memory serves. Even before that professional development, I learnt a lot about UNIX and C at university in my fourth year of the degree course. Yet it was my first work experience at a […]

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A week ago, the JavaOne 2012 call-for-papers came to a conclusion. Notifications were sent out to the content authors. I submitted three papers and got two accepted.   CON4643    Contemporary User Interface Design Patterns in JavaFX 2.2 CON4648    Scala, JavaFX, Java EE 7 and Enterprise Integration   Just before the confirmations were out, Stephen Chin, […]

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3 minutes

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570

Recently, I have been working with Ubuntu in a Virtual Box VM and setting up ActiveMQ for testing. I wanted to create a VM with an already running ActiveMQ as a service, whenever I started it. In order to do this, I set up ActiveMQ as a Linux intialisation service. I installed ActiveMQ first by […]

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10 minutes

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2140

  The last day of QCon, Friday, had already started with a keynote, Resilient Response in Complex System, John Allspaw. The general advice was concentrate on recovery rather than attempting to avoid failure. The talk emphasized the need to train developers and operators in failure situation, following the model of military or emergency services. The […]

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  I was fortunate to attend the QCon London 2012 conference, this year. Firstly, I was delighted to be invited as a speaker and then when that did not pan out, secondly, they still let me in as VIP guest. I would like to special thanks the QCon / Trifork staff for the awesome gift. […]

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Today, I am at the final day of the QCon London 2012 conference in partuculary in the Scala and Functional Languages track. Philip Wadler gave an excellent presentation on functional programming and his belief about lambda calculas, mathematical formal logic and an advanced computer science. At the end of his talk, there was a lot […]

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I really apologise for being very late with this. Sorry about that. However, the European JUG Leaders BOF Video from Devoxx 2011 is finally here in all of its glory. Enjoy for real now     Plus there is a more friendly URL https://vimeo.com/peterpilgrim/devoxx11-europeans-jug-leaders-bof PS: There JUG leaders here from North and South America, Africa […]