Top "Operators" questions

What do the "=&" and "&=" operators in PHP mean?

What do "=&" / "&=" operators in PHP mean? Where can I read information about them? Searching Google doesn't help.

php operators

Is there an "opposite" to the null coalescing operator? (…in any language?)

null coalescing translates roughly to return x, unless it is null, in which case return y I often need return …

c# programming-languages syntax operators null-coalescing-operator

Operator as and generic classes

I'm writing .NET On-the-Fly compiler for CLR scripting and want execution method make generic acceptable: object Execute() { return type.InvokeMember(..); } …

c# .net generics operators on-the-fly

Python Class __div__ issue

The tuples represent fractions. I'm trying to divide the fractions by multiplying by the reciprical class Test(): def __init__(self): …

python class operators tuples divide

How do "and" and "or" act with non-boolean values?

I'm trying to learn python and came across some code that is nice and short but doesn't totally make sense …

python operators logical-operators

What characters are permitted for Haskell operators?

Is there a complete list of allowed characters somewhere, or a rule that determines what can be used in an …

haskell syntax operators

Difference between "Math.DivRem" and % operator?

What is the difference between System.Math.DivRem() and the % operator?

.net math operators division

Implementing comparison operators via 'tuple' and 'tie', a good idea?

(Note: tuple and tie can be taken from Boost or C++11.) When writing small structs with only two elements, I …

c++ c++11 operators tuples strict-weak-ordering

Conversion constructor vs. conversion operator: precedence

Reading some questions here on SO about conversion operators and constructors got me thinking about the interaction between them, namely …

c++ constructor operators type-conversion conversion-operator

null instead of ==

I have just started to learn Haskell out of interest. I follow learnyouahaskell.com. There I found this: null checks …

haskell coding-style operators typeclass