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 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.
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 …
What is the difference between the | and || or operators?
Aug 29, 2008 · The & operator does "run these 3 functions, and if one of them returns false, execute the else block", while the | does "only run the else block if none return false" - can be useful, but as said, …
What does <> (angle brackets) mean in MS-SQL Server?
Nov 8, 2013 · 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 …
scope resolution operator - What does the - Stack Overflow
Mar 17, 2011 · What does this symbol mean? AirlineTicket::AirlineTicket () @PaulR Not everyone who arrives upon this question is looking to learn C++. I, for example, just happened to be skimming …
What are the pointer-to-member operators ->* and .* in C++?
Apr 22, 2022 · Yes, I've seen this question and this FAQ, but I still don't understand what ->* and .* mean in C++. Those pages provide information about the operators (such as overloading), but don't …
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. …
Pipe (|) operator in Java - Stack Overflow
Nov 22, 2016 · 4 Since the question is titled "pipe (|) operator in Java" and tags of this question are also java and operators, it might be useful to address this in a bit broader context and mention, that in …
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 …