Clean Coder

A few days ago I was ordering lunch at a barbecue joint in Austin, Texas. The menu described a lovely plate of three sausages, and suggested six different sausage types to choose from. I love a good sausage; and I am especially fond of Bratwurst. So when the waiter came by I told him I wanted two Brats and a Keilbasa.

The waiter nodded and proceeded to tap on his hand-held POS terminal. Over the next 60 seconds his taps grew ever more punctuated and his expression grew ever more frustrated. He started muttering words under his breath – words that I have heard so many times before: Why won’t it let me…?

Apparently the genius developers who wrote the software for the hand-held POS terminal had not considered that a customer would want two of the same kind of sausage. The terminal simply would not allow the waiter to add

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