On: A three-page paper that shook philosophy, with les...

[Retra]

You could also argue that your expectations are defective. It is possible to accidentally solve a problem in a correct manner.

[TheOtherHobbes → Retra]

Not reliably.

It's not professional to design systems that rely on luck.

"Let's ignore this edge case and hope we get lucky" is not something you want to see in a software specification.

[kstenerud → TheOtherHobbes]

Or simply acknowledge that your initial specs didn't cover enough, update the specs, test the "new" functionality, and call it a feature in the release notes.

[Retra → TheOtherHobbes]

Getting lucky is not the same as relying on luck.