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From the Wikipedia: "calculus can refer to any method or system of calculation", and that's not an exception for the Lambda Calculus. First of all, lets define the terms of this calculus: A Lambda Term is something with the form x where x is in...

In my quest for making every piece of code testable, I run across the requestor pattern. You won't find it doing a Google search. I first saw it in many places in JDT's source code. The idea is separating an extraction of information (a processor)...

In the first part of the article, we showed how to let a JSF bean drive a GWT module through an exposed JavaScript API. Now we'll see how to make a GWT module raise events in a way such that a call to the server is made letting it respond accordingly...

A Term Rewriting System (TRS) is a very powerful yet simple math tool used, for instance, for the creation of computational models. Given a set of function symbols S, and an (uncountable) set of variables V, I will define rewriting rule by example...

Since some time ago, there seems to be a fight between two "philosophies" as regards web applications. Each philosophy has its own representatives amongst the various frameworks or platforms we can select to help us develop our app. On one hand there...