define static variable

1. Define (that is, host variable)The main role of the host variable is to act as an alternative variable, a medium in which the host environment can interact with Oracle . When you define a host variable by define, you must specify the variable

Original blog, reprint please indicate the source--Zhou Xuewei http://www.cnblogs.com/zxouxuewei/Static is used in two ways: static in process-oriented programming and static in object-oriented programming. The former applies to ordinary variables

The type descriptor of a static variable is static, and a non-static variable instead of a type specifier is not static. This article mainly introduces the difference between static and non-static variables, I hope to help you to see

1, can local variables and global variable duplicate? A: Yes, the local will screen the overall situation. To use a global variable, you need to use the "::" Local variables can have the same name as global variables, and when referenced within a

One, const 1. In the definition of variable (1) const int a=10; Description: The defined int type variable A cannot be modified and can only be used. A variable with the Const keyword can be defined as a global variable, but at this point the global

Article Source: http://www.cnblogs.com/zplutor/See a classmate in the header file in this write:1 Static Const wchar_t* g_str1 = ... 2 Static Const wchar_t* g_str2 = ...This way of defining variables I've never seen, and it's going to go through

PHP static member variables and non-static member variables, php static. PHP static member variables and non-static member variables. php static data members can be divided into static variables and non-static variables. static Member: the static

Static Keywords of C ++ The static function of C ++ has two usage methods: static in process-oriented programming and static in object-oriented programming. The former applies to common variables and functions, and does not involve classes. The

PHP static member variables and non-static member variables, PHP static data members can be divided into static variables, non-static variables, two kinds .Static member: A member in a static class joins the static modifier, which is a statically

I. Static variables static variables are roughly divided into three usage types   1. It is used in local variables to become static local variables. Static local variables have two usages: Memory Function and global survival. 2. It is used for