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?
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 conditional …
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 …
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 considered equal. …
What does <> (angle brackets) mean in MS-SQL Server?
2013年11月8日 · 30 <> operator means not equal to in MS SQL. It compares two expressions (a comparison operator). When you compare nonnull expressions, the result is TRUE if the left operand …
syntax - What is the := operator? - Stack Overflow
2018年11月13日 · 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 …
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 …
math - What does the ^ (XOR) operator do? - Stack Overflow
2021年3月6日 · 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 …
What does "|=" mean? (pipe equal operator) - Stack Overflow
2013年1月13日 · I wonder if adding something like pipe equal operator to this question or any other documentation on the topic wouldn't help people searching.