How do you use the ? : (conditional) operator in JavaScript?
Jun 7, 2011 · What is the ?: (question mark and colon operator aka. conditional or "ternary") operator and how can I use it?
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.
What does the `%` (percent) operator mean? - Stack Overflow
Oct 2, 2024 · 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.
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 …
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). …
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's the right way to overload operator== for a class hierarchy?
In general I think the base class should define a operator== overload (internally or via friend class doesn't matter) which check typeid equality and calls an abstract virtual "equals" function …
The R %*% operator - Stack Overflow
The %*% operator is used to multiply two matrices. I didn't realise 'matrix multiplication' was an established algebraic method so it was useful to learn the underlying calculation, not yet …
What does "|=" mean? (pipe equal operator) - Stack Overflow
Jan 13, 2013 · I wonder if adding something like pipe equal operator to this question or any other documentation on the topic wouldn't help people searching.
What is the <=> ("spaceship", three-way comparison) operator in …
Nov 24, 2017 · The overloadable operator <=> is a three-way comparison function and has precedence higher than < and lower than <<. It returns a type that can be compared against …