Many years ago when I was in high school, a friend of mine told me about Duff’s device. I filed it away in the back of my mind, excited that one day when I was

Many years ago when I was in high school, a friend of mine told me about Duff’s device. I filed it away in the back of my mind, excited that one day when I was a professional programmer I could pull this trick out of my hat. Looks like that day may never come.