Data structures are cool. There, I said it.
Everyone knows about arrays. An array is a collection of elements with indices ranging from zero to one less than the length of…
So you’ve heard of Github, and you know that you can use it to collaborate on code with other people and store the code online. But what are branches and how…
Active Record provides a bunch of callback methods you can insert into a model that enable you to call other methods at various points in the life of an object. I decided to test some of them to see them working in action in my Tracker model.