Questions related to handling errors and exceptions. According to Wikipedia, Exception handling is the process of responding to the occurrence, during computation, of exceptions – anomalous or exceptional events requiring special processing – often changing the normal flow of program execution. It ...

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What's the best way to handle Windows API errors in response to system messages or when I have nowhere to return them to?

This is going to be a really stupid question and I hope it's fine for Stack Exchange at all, let alone just this part of it... Right now, my custom Table control uses panic() functions that print an ...
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Is there a theory for “transactional” sequences of failing and no-fail actions?

My question is about writing transaction-like functions that execute sequences of actions, some of which may fail. It is related to the general C++ principle "destructors can't throw," no-fail ...
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Handling and managing error codes

I'm looking for examples of creating, handling and managing error numbers/codes. To understand what I'm takling about, let's take example scenario: (EU - end user, IT - it helpdesk) EU: - (calls IT) ...
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Check some value between each function call

Can you recommend a nice way of checking a particular value between calls to a set of functions? E.g. something like this in Python (might not be terribly 'Pythonic'): self.error_code = 0 # this ...