Top "Operators" questions

What is this operator <=> in MySQL?

I'm working on code written by a previous developer and in a query it says, WHERE p.name <=> …

mysql sql operators spaceship-operator
Ruby, !! operator (a/k/a the double-bang)

Possible Duplicate: What does !! mean in ruby? Hi, I'm new to Ruby and can't find anywhere description of what "!!" means. …

ruby operators
Why does C++ need the scope resolution operator?

(I know what the scope resolution operator does, and how and when to use it.) Why does C++ have the :: …

c++ operators language-design scope-resolution
Are Variable Operators Possible?

Is there a way to do something similar to either of the following: var1 = 10; var2 = 20; var operator = "<"; console.log(…

javascript variables operators operator-keyword dynamic-variables
What needs to be overridden in a struct to ensure equality operates properly?

As the title says: do I need to override the == operator? how about the .Equals() method? Anything I'm missing?

c# .net struct operators equals-operator
What is the '@=' symbol for in Python?

I know @ is for decorators, but what is @= for in Python? Is it just reservation for some future idea? This …

python python-3.x operators matrix-multiplication python-3.5
Double not (!!) operator in PHP

What does the double not operator do in PHP? For example: return !! $row; What would the code above do?

php operators
What is x after "x = x++"?

What happens (behind the curtains) when this is executed? int x = 7; x = x++; That is, when a variable is post …

java operators post-increment
Reference assignment operator in PHP, =&

What does the =& (equals-ampersand) assignment operator do in PHP? Is it deprecated?

php operators assignment-operator