
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.
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.
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 …
Using :: (scope resolution operator) in C++ - Stack Overflow
A qualified id-expression is an unqualified id-expression prepended by a scope resolution operator ::, and optionally, a sequence of enumeration, (since C++11)class or namespace names or decltype …
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. …
c - What does tilde (~) operator do? - Stack Overflow
The bitwise NOT operator has an interesting property that when applied on numbers represented by two's complement, it changes the number's sign and then subtracts one (as you can see in the …
c++ - Why override operator ()? - Stack Overflow
Nov 25, 2008 · This fails to answer the question of "why override operator() ", and provides an example lifted straight from the accepted answer just with the names and numbers slightly changed.
Is there a "null coalescing" operator in JavaScript?
Jan 25, 2009 · The nullish coalescing operator (??) is a logical operator that returns its right-hand side operand when its left-hand side operand is null or undefined, and otherwise returns its left-hand side …
c++ - What is the difference between the dot (.) operator and ...
The arrow operator is like dot, except it dereferences a pointer first. foo.bar() calls method bar() on object foo, foo->bar calls method bar on the object pointed to by pointer foo.
syntax - What is the := operator? - Stack Overflow
Nov 13, 2018 · This is a new operator that is coming to Python 3.8 and actually had a role in BDFL Guido van Rossum's early retirement. Formally, the operator allows what's called an "assignment …