Nested Sets vs Adjucency Matrix

I have been using trees as structures to store data, such as categories in a forum. In most cases what happens is that you create a node, for instance a category, that may or may not have a parent. This is called an adjucency matrix, because what you do is, in each...

Flying my… Picooz!

This is addicting guys… First of all what is a picooz? Well it is an RC helicopter from Silverlit. The picooz’s are series of rc helicopters. They are pretty small and light and they are addicting to fly. I have a desert king type of helicopter. It is...