The !! operator reassures the lint tool that what you wrote is what you meant: do this operation, then take the truth value of the result. A third use is to produce logical XOR and logical XNOR.

I would implement operator== as a free functions, probably friends, only for the concrete leaf-node class types. If the base class has to have data members, then I would provide a (probably …

What are the differences between the assignment operators = and <- in R? As your example shows, = and <- have slightly different operator precedence (which determines the order of …

Dec 11, 2008 · The strict equality operator (===) behaves identically to the abstract equality operator (==) except no type conversion is done, and the types must be the same to be …

Class& operator @= (const Class& rhs); That is, the function takes its parameter by const reference (because it doesn't modify it), then returns a mutable reference to the object.

Logical XOR operator in C++? Asked 16 years ago Modified 2 years, 1 month ago Viewed 558k times

The ternary operator implies that, as Michael says, it is the only one, which in turn could lead one to assume there can be no other ternary operators, which is what Michael is saying is …

1 That is the modulo operator, which finds the remainder of division of one number by another. So in this case a will be the remainder of b divided by c.

Assuming that we're talking about overloading operator << for all classes derived from std::ostream to handle the Matrix class (and not overloading << for Matrix class), it makes …

What does the colon (:) operator do? Asked 15 years, 8 months ago Modified 1 year, 10 months ago Viewed 281k times