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Attempt to map WCF to Java terms


By writing this post I’m taking a huge risk of being rejected by both .NET and Java communities. This is an attempt to explain what WCF, which stands for Windows Communication Foundation, is in Java terms. WCF-to-Java mapping is not really trivial. I’m lacking understanding to what extend WFC consumer should be aware about the type of communication with the service: ...

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MongoDB 2.6 is out


Introduction MongoDB is evolving rapidly. The 2.2 version introduced the aggregation framework as an alternative to the Map-Reduce query model. Generating aggregated reports is a recurrent requirement for enterprise systems and MongoDB shines in this regard. If you’re new to it you might want to check this aggregation framework introduction or the performance tuning and the data modelling guides. Let’s ...

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Yet another way to handle exceptions in JUnit: catch-exception


There are many ways of handling exceptions in JUnit (3 ways of handling exceptions in JUnit. Which one to choose?, JUnit ExpectedException rule: beyond basics). In this post I will introduce catch-exception library that I was recommended to give a try. In short, catch-exceptions is a library that catches exceptions in a single line of code and makes them available ...

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Java Rocks More Than Ever


On the TIOBE index, Java and C have been sharing the #1 and #2 rank for a long time now, and with the recent GA release of the JDK 8, things are not going to get any worse for our community. Java simply rocks! And it’s the best platform to build almost any of your applications, out there. But why ...

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15 Must Read Java 8 Tutorials


Java 8 was released last month and is just chock-full of new features and behind-the-scenes optimizations. The internet has been doing quite a good job covering all these new additions – both the good and the bad. I thought it’d be good to do a round-up of what we think are some of the best tutorials out there, to help ...

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Tracking Exceptions – Part 4 – Spring’s Mail Sender


If you’ve read any of the previous blogs in this series, you may remember that I’m developing a small but almost industrial strength application that searches log files for exceptions. You may also remember that I now have a class that can contain a whole bunch of results that will need sending to any one whose interested. This will be ...

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Hadoop MapReduce Concepts


What do you mean by Map-Reduce programming? MapReduce is a programming model designed for processing large volumes of data in parallel by dividing the work into a set of independent tasks. The MapReduce programming model is inspired by functional languages and targets data-intensive computations. The input data format is application-specific, and is specified by the user. The output is a ...

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JavaFX Tip 2: Sharp Drawing with Canvas API


When I initially started out working with the Canvas API I noticed that the results of my rendering code were somewhat blurry and even worse, inconsistent. Some lines were blurry, others sharp. Coming from Swing it took me some time to realize that this was caused by the coordinate system of JavaFX, which allows for double precision rendering. To solve ...

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JavaFX Tip 1: Resizable Canvas


While working on FlexGanttFX I had to deal a lot with the JavaFX Canvas node. I am using it to render activities on a timeline. Each row in the Gantt chart is a Canvas node. The user has the option to resize each row individually. So I had to figure out the best way to resize a canvas, which out-of-the-box is not ...

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