In my previous article, I outlined the planning stages that are performed during an XP project, with a particular emphasis on the upfront planning that is ignored in many “XP” projects. This month I ...

Condition-controlled loops have a condition that is tested at the start of the iteration to determine whether or not the iteration should occur. With each iteration, the condition is tested again. As ...

We consider a system with a finite number of states, 1, 2, ⋯, S. Periodically we observe the current state of the system and perform an action, a, from a finite set A of possible actions. As a joint ...