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  1. What does the "->" operator mean in C++? - Stack Overflow

    Feb 12, 2012 · The -> operator is used with a pointer (or pointer-like object) on the LHS and a structure or class member on the RHS (lhs->rhs). It is generally equivalent to (*lhs).rhs, which is the other way …

  2. What does the `%` (percent) operator mean? - Stack Overflow

    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.

  3. What are the basic rules and idioms for operator overloading?

    Dec 12, 2010 · The General Syntax of Operator Overloading in C++ The Three Basic Rules of Operator Overloading in C++ The Decision between Member and Non-member Common Operators to …

  4. Which equals operator (== vs ===) should be used in JavaScript ...

    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 considered equal. …

  5. What does the !! (double exclamation mark) operator do in JavaScript ...

    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.

  6. What's the right way to overload operator== for a class hierarchy?

    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 protected) non …

  7. What is a Question Mark "?" and Colon ":" Operator Used for?

    Apr 26, 2012 · Ternary operator refers to any operator with three parameters, thus this is a ternary operator but not the ternary operator. Major languages (C#, Java, PHP) consider it a conditional …

  8. What does "|=" mean? (pipe equal operator) - Stack Overflow

    Jan 13, 2013 · I wonder if adding something like pipe equal operator to this question or any other documentation on the topic wouldn't help people searching.

  9. What is the official name of C++'s arrow (->) operator?

    Oct 16, 2009 · The official name for this operator is class member access operator (see 5.2.5). Although this name is attached to both . and -> operators, meaning that it's more of a group name. The . is …

  10. math - What does the ^ (XOR) operator do? - Stack Overflow

    Mar 6, 2021 · The XOR ( ^ ) is an logical operator that will return 1 when the bits are different and 0 elsewhere. A negative number is stored in binary as two's complement. In 2's complement, The …