
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 …
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.
How do you use the ? : (conditional) operator in JavaScript?
2011年6月7日 · What is the ?: (question mark and colon operator aka. conditional or "ternary") operator and how can I use it?
What is a Question Mark "?" and Colon ":" Operator Used for?
2012年4月26日 · 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 …
When should I use ?? (nullish coalescing) vs || (logical OR)?
The ?? operator was added to TypeScript 3.7 back in November 2019. And more recently, the ?? operator was included in ES2020, which is supported by Node 14 (released in April 2020). …
c - What does tilde (~) operator do? - Stack Overflow
I recently saw the above operator in a code,I googled for it but found nothing.The code is below.Please describe what actually does this operator do? #include<stdio.h> int main() { …
c++ - Why override operator ()? - Stack Overflow
2008年11月25日 · 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 …
Which equals operator (== vs ===) should be used in JavaScript ...
2008年12月11日 · 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 …
What are bitwise shift (bit-shift) operators and how do they work?
The Operators >> is the arithmetic (or signed) right shift operator. >>> is the logical (or unsigned) right shift operator. << is the left shift operator, and meets the needs of both logical and …
What does the ** maths operator do in Python? - Stack Overflow
57 It is the power operator. From the Python 3 docs: The power operator has the same semantics as the built-in pow () function, when called with two arguments: it yields its left argument raised …