Blog

A useful feature for most data-bound items presenting controls is the ability to page their data, by showing only the first n elements and requesting the rest on demand as the users scrolls down the view. This is specially useful when downloading each...

WPF introduced a new concept for managing properties which is dependency properties. Dependency properties can act as standard properties, but also offer a lot more functionality, such as data binding, assignment through resources, setters in styles...

Since Silverlight 2 Beta 2 introduced the WebClient class, I decided to refactor an application we had by replacing all references to HttpWebRequest with the new client. Its methods seemed much more simple and clear, and I didn’t even need to write...

Silverlight Beta 2 doesn’t support double click, but since I needed it, I implemented it. I’ve created a class named Mouse. You create a Mouse instance that wraps an UIElement. The instance attaches itself to the MouseLeftDownButton and, using a timer...

Binding Lights

This week a nice coincidence made possible that I met personally Taha Kass-Hout in DC. We’ve been working for InSTEDD creating a collaborative disease detection and surveillance platform with some machine learning tools. Luckily the restaurant’s tablecloth...

Silverlight 2 Beta 2 has introduced a number of fixes, additions and changes to the previous Beta 1 version. As I said in a previous post, I believe the improved error handling and detailed exceptions are among the best improvements, and also the less...

One of the current most interesting technologies around is Microsoft Silverlight, whose intention is to provide a programmer and designer friendly way to develop web UIs. It is basically a subset of Windows Presentation Foundation, although it has...

As you probably already know, recursive function are those that call them self. For instance, you can define the factorial function as: fact(0) = 1 fact(n) = n*fact(n-1) This doesn’t look like something you can say with the small syntaxis of the ...

Today we had the orientation presentation for an Internship that two students from Trinity College will be doing around Riff/RNA. They will be helping us build some classification tools involving machine learning with SVM’s and Bayesian classifiers...