I used to see the double dash (--) in Excel spreadsheets and wonder what it did. It's an essential shortcut to force Excel to treat TRUE and FALSE as the numbers 1 and 0, meaning you can easily sum or ...
Operator overloading or ad-hoc polymorphism lets you work with user defined types much the same way you work with fundamental data types Polymorphism is one of the basic principles of OOP (Object ...
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