Top "Operator-keyword" questions

Why in conditional operator (?:), second and third operands must have the same type?

Why in conditional operator(?:), second and third operands must have the same type? My code like this: #include <iostream&…

c++ c operator-keyword

Set "in" operator: uses equality or identity?

class A(object): def __cmp__(self): print '__cmp__' return object.__cmp__(self) def __eq__(self, rhs): print '__…

python set identity operator-keyword equality

Using a bitwise & inside an if statement

In C, I can write an if-statement if (firstInt & 1) but when I try and do the same in Java, …

java c if-statement bit-manipulation operator-keyword

Why is square root such a slow operation?

I've been warned by numerous programmers not to use the square root function, and instead to raise numbers to the …

c# vb.net math operator-keyword square-root