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Using Comet for asynchronous user notification of autonomous server thread progression

Joseph McCarthy from IBM Ireland has written a tutorial called "Using Comet for asynchronous user notification of autonomous server thread progression" about how to use polling and Comet (long polling) in Java with the ItsNat Java web framework to asynchronously notify end users by web about what is doing an autonomous thread (not a web thread) doing a long task in parallel. Note: to read this article use MSIE 6 or FireFox disabling styles (View/Page Style/No Style)

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Taking A Screen Shot In C#

Welcome to the tutorial on Taking a Screen Shot with C#. This tutorial is a little on the advanced side and assumes you have a fairly good working knowledge of the System.Drawing Namespace and a working knowledge Win32 API Calls as well, since we use 9 of them.

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15 reasons why you should start using Model Driven Development

Model Driven Development, why should you use it? This article gives 15 reasons why you should start using Model Driven Development.

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Play – a Java framework for web applications

Not long ago i came across this cool Java framework for building your own web applications. Actually I think someone posted it at Twitter ( @playframework ). At first i saw the invitational presentation which you can find here or at the framework’s page.

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JPA under the Hood - Understanding your JPA Frameworks

JPA has standardized the interfaces for persistence frameworks. However how much is standardized regarding the runtime behaviour of frameworks. These small code samples show different uses cases to test with your JPA framworks. Additionally hints on the actual framework behaviour, will help to improve usage.

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Classloader Acrobatics: Code Generation with OSGi

Porting great infrastructure to OSGi often means solving complex class loading problems. This article is dedicated to the frameworks that face the hardest issues in this area: those that do dynamic code generation. Incidentally these are also the coolest frameworks: AOP wrappers, ORM mappers, and service proxy generators are just a few examples.

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Grails: A Quick-Start Guide Blog » Ajax-Enabled Checkboxes in Grails

In Grails: A Quick-Start Guide, we have a task list to help TekEvent organizers and volunteers keep track of what's left to be done for their event. It's pretty handy, but it could be a bit easier to use. Specifically, it would be great if we didn't have to click on a task to open the show view and then click again to edit it, just to mark a task as completed. What would be really nifty is if we could mark a task as completed by clicking on a simple checkbox. And it turns out that Grails provides an Ajax tag that's just what we need.

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Java vs. Scripting API for Hadoop: Is Java Always Best?

Are there cases where a scripting language is more advisable than using Java for both speed of development and performance? How can you identify them? What are the performance implications?

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Cloud Computing Patterns

I have attended a presentation by Simon Guest from Microsoft on their cloud computing architecture. Although there was no new concept or idea introduced, Simon has provided an excellent summary on the major patterns of doing cloud computing. I have to admit that I am not familiar with Azure and this is my first time hearing a Microsoft cloud computing presentation. I felt Microsoft has explained their Azure platform in a very comprehensible way. I am quite impressed. Simon talked about 5 patterns of Cloud computing. Let me summarize it (and mix-in a lot of my own thoughts) ...

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Visual Studio 2010: A first look for developers

Microsoft .Net Framework 4.0 and Visual Studio 2010 screenshots

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