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Git in colour

I’ve been using Git for a while now, but only today realized I can have coloured output for diff, grep, branch, show-branch and status, without having to hook in any other external tools (like colordiff, for example). Here&# ...
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GWT Custom Button using UIBinder

Here’s an example on how to create a custom button using UIBinder on GWT.public class GwtUIBinderButton implements EntryPoint {public void onModuleLoad() { Button button = new Button(); button.setText("Button"); ...
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Play 2.0: Akka, Rest, Json and dependencies

I’ve been diving more and more into scala the last couple of months. Scala together with the “Play Framework” provides you with a very effective and quick development environment (as soon as you’ve grasped ...
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Disassembling Tell Don’t Ask

In my last blog I defined Tell Don’t Ask (TDA) using a simple shopping cart example. In it the shopping cart was responsible for working out the total cost of the items in the cart as opposed to the client asking for a list of i ...
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JavaFX: Creating a Sprite Animation

While most of my posts so far dealt with JavaFX properties and bindings, today I want to write about another part of the JavaFX runtime I also work on: the animation API. In this article I will explain how to write custom animatio ...
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How Badly Do We Want a New Java Date/Time API?

The current Java.net poll question is, “How critical is it for JSR-310 (new Date and Time API) to be implemented in Java 8?” At the time of my writing of this post, nearly 150 respondents have voted and an overwhelming ...
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Working with legacy code

Context Large organisations’ systems may have from tens of thousands to a few million lines of code and a good part of those lines is legacy code. By legacy code I mean code without tests. Many of these systems started being ...
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The Java EE 6 Example – Galleria

Have you ever been wondering where to find some good end-to-end examples build with Java EE 6? I have. Most of the stuff you find on the net is very basic and doesn’t solve the real world problems. This is true for the Java ...
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FindBugs and JSR-305

Suppose that group of developers work in parallel on parts of big project – some developers are working on service implementation, while others are working on code using this service. Both groups agreed on service API, and s ...
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Web Services with JAX-WS on Tomcat

Let us assume an enterprise is maintaining user authentication details in a centralized system. We need to create an AuthenticationService which will take credentials, validate them and return the status. The rest of the applicati ...
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