oop Collection Filters in Ruby Note: acknowledgements (and thanks!) to Máximo Prieto (our OOP guru) who had this idea and he implemented it on Smalltalk. The problem We want to have a collection that filters its elements as
java Java generics and inheritance (part 2) On the first part of this article I explained why java generics don't allow up-casting for generified types. In this part we will see why, arrays don't have that restriction, and the implications
java Java generics and inheritance (part 1) Types, Sets, variables and casting When you use a compile-time typed language, like Java, you expect that types in each variable will help you by restricting the possibilities for a value. Instead of
esug-2010 OOSCM: Object Oriented SCM - Beyond files - ESUG 2010 OOSCM (Object Oriented Software Configuration Management) is a tool we are developing to better support traits that are unique to object oriented development. Current SCM tools (CVS,SVN,GIT,Monticello, etc) are file