As I pointed out in my previous post, making your intentions clear is crucial in defensive programming. You never want anyone to guess what your code does. Instead, without ambiguity, you want to make sure everyone understands what your code doing.

Here is another example of a coding practice that I see everywhere.

Most seasoned programmers probably know immediately what is being done here. A bit-shift to the right by 3 is the same as a division by 8. Only, it...