A 36-year-old contact lens wearer has eye pain and photophobia after sleeping in her lenses. Fluorescein examination demonstrates a corneal epithelial defect without infiltrate. Which treatment is most appropriate?

When is the actual method chosen for execution during the process of dynamic polymorphism?

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

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

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

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

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

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

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

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