This year for Halloween, there are so many ways to dress up as programming concepts. Of course, you could take the easy way out and just dress like a programmer. Get some sweatpants on, put some black makeup under your eyes to make you look even more tired, and you're good to go. You could also go as a 404 error . Wear a white T-Shirt and write “Error 404 Costume Not Found” on it. You could even go as some of the most famous programmers in history. A Steve Jobs costume is classic and perfect fo…