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What is the primary risk of downcasting a reference without…

What is the primary risk of downcasting a reference without performing an explicit type check?

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What defines a class as ‘abstract’ in C++?

What defines a class as ‘abstract’ in C++?

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In modern C++, what is the purpose of using ‘Concepts’ in co…

In modern C++, what is the purpose of using ‘Concepts’ in conjunction with templates?

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What happens if an abstract method is not implemented by a c…

What happens if an abstract method is not implemented by a concrete subclass?

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To use the std::sort algorithm on a collection of custom obj…

To use the std::sort algorithm on a collection of custom objects, what must the developer typically provide?

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Why is it necessary to ‘lock’ a std::weak_ptr before accessi…

Why is it necessary to ‘lock’ a std::weak_ptr before accessing the data it references?

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Which programming principle ensures that a container’s resou…

Which programming principle ensures that a container’s resources are automatically released when the object goes out of scope?

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Which smart pointer should be used when a resource must have…

Which smart pointer should be used when a resource must have exactly one owner at any given time?

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In polymorphic code, what primarily determines which fields…

In polymorphic code, what primarily determines which fields (variables) are accessible?

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Why must the stream insertion operator (

Why must the stream insertion operator (

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