The blog references Spolsky who has marked it expired. Perhaps he has changed his mind. Problems with error codes: Too easy to ignore. Errors and normal ret

The blog references Spolsky who has marked it expired. Perhaps he has changed his mind. Problems with error codes: Too easy to ignore. Errors and normal return codes get mixed. Often difficult to pick a distinguished error value, 0, -1? Problems with exceptions: Too easy to ignore. How often do you find empty exceptions? Too many types of exceptions, The Java libraries are particularly guilty of this. Adding a checked exception can break code all over the universe.