Actually, I think the slide mangled the quote - I've often seen "off by one error" as the punchline, and found at least one post going back to 2010 with that va

Actually, I think the slide mangled the quote - I've often seen "off by one error" as the punchline, and found at least one post going back to 2010 with that variation: https://martinfowler.com/bliki/TwoHardThings.html https://martinfowler.com/bliki/TwoHardThings.html