Hey HBH'ers, I was wondering what the most popular challenge on HBH is amongst the members.
My own personal favourite so far has been Application 16, so it gets my vote.
But what one do you guys like best ?
One of the more frustrating challenges on this site
Haha, I will take that as a complement! I originally developed the challenge in Python and then later ported it over to PHP. Now you know how UPC barcodes work! Useless knowledge, but knowledge non the less.
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