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Sep 12, 2012 at 0:55 comment added AeroCross This is really insightful and informative. Didn't know about the COmmand / Query Segregation Principle. I think it does explain really well the fact that they can be differenciated and recognized as different "things".
Sep 10, 2012 at 12:48 comment added MSalters There's also the added problem that quite a bunch of C procedures return an error code. That isn't the goal of the procedure; the goal is to do something. In cleaner languages, exceptions are used to separate true return values from error codes.
Sep 10, 2012 at 8:42 history answered Jörg W Mittag CC BY-SA 3.0