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That was my reaction, too.

My answer to that question: I'm doing it right now, and have had to do it at least occasionally in almost every job I've ever had.

As a consultant this is my bread and butter, so it's kind of funny.

and i enjoy doing it to boot.

Agreed - I've never had a job where I didn't have to do this.

Yeah. And never mind debugging that codebase. How about being on call for that codebase in production.