Top "Static-variables" questions

In object oriented programming, a static variable is a variable which belongs to the class and not to object(instance) & a single copy to be shared by all instances of the class.

Static Variables in R

I have a function in R that I call multiple times. I want to keep track of the number of …

r closures static-variables
Why retain a static variable?

Isn't it unnecessary to retain a static variable since it stays around for the duration of the program, no matter …

objective-c memory-management retain static-variables
Static Function Variables and Concatenation in PHP

Consider the following: $var = 'foo' . 'bar'; # Not a member of a class, free-standing or in a function. As soon as …

php string concatenation static-variables
NullPointerException with static variables

I just hit very strange (to me) behaviour of java. I have following classes: public abstract class Unit { public static …

java nullpointerexception static-variables