Top "Operators" questions

How is the AND/OR operator represented as in Regular Expressions?

I'm currently programming a vocabulary algorithm that checks if a user has typed in the word correctly. I have the …

regex operators

What exactly does += do in python?

I need to know what += does in python. It's that simple. I also would appreciate links to definitions of other …

python operators notation shorthand compound-assignment

What is the !! (not not) operator in JavaScript?

I saw some code that seems to use an operator I don't recognize, in the form of two exclamation points, …

javascript operators

What is the difference between '/' and '//' when used for division?

Is there a benefit to using one over the other? In Python 2, they both seem to return the same results: &…

python math syntax operators floor-division

What do these operators mean (** , ^ , %, //)?

Other than the standard +, -, *and / operators; but what does these mean (** , ^ , %, //) ? >>> 9+float(2) # addition 11.0 >>> 9…

python math operators native

Difference between & and && in Java?

Possible Duplicates: What's the difference between | and || in Java? Difference in & and && I was just wondering what …

java operators

Using the AND and NOT Operator in Python

Here is my custom class that I have that represents a triangle. I'm trying to write code that checks to …

python operators

Batch not-equal (inequality) operator

According to this, !==! is the not-equal string operator. Trying it, I get: C:\> if "asdf" !==! "fdas" echo asdf !==! was …

batch-file operators

What does the ^ operator do in Java?

What function does the ^ (caret) operator serve in Java? When I try this: int a = 5^n; ...it gives me: for …

java operators exponentiation

Is there a "null coalescing" operator in JavaScript?

Is there a null coalescing operator in Javascript? For example, in C#, I can do this: String someString = null; var …

javascript operators null-coalescing-operator null-coalescing