difference between static and constant

The following code uses the platform Windows 64bits+vs2012.The following concepts are often encountered when programming in C + +: constants, literal constants, symbolic constants, literal constants, constant variables, string constants, and

Turn: http://blog.csdn.net/dotneterbj/article/details/8021200 The memory occupied by a C/C ++ compiled program is divided into the following parts: 1. STACK: the stack zone is automatically allocated and released by the compiler, and stores function

Reprinted from http://my.oschina.net/xianggao/blog/84179 Author: Old demon   Java constant pool technology The constant pool technology in Java is used to create some objects conveniently and quickly. when an object is required, you can obtain one

1.mysql Package ClassDefine parameters for initializing database connections in a constructor "because the parameter passed in when instantiating an object is the only parameter entry for that object"But instead of redundant definitions in the

in our previous article, we introduced the use of PHP define examples, I believe that we have a certain understanding of define, today we introduce you to the PHP constant define and the difference between const detailed! A constant is a simple

What is a class constant? What we can understand in PHP is that the value is constant, so what is a class constant? In fact, the class constants are also easy to understand, we can always keep the constant value of the class is called constants, and

The difference between a static variable and a global, local variableA static global variable is formed by the description of the global variable (external variable), preceded by static. Global variables themselves are static storage, and static

Const Modify the declaration of a field or local variable. It specifies that the value of a field or local variable is a constant and cannot be modified. The value of a constant must be determined during compilation. After compilation, CLR stores

A detailed description of C + + memory allocation-heap, stack, free storage, global/static storage, and constant storageStacks , which are the stores of variables that are allocated by the compiler when needed, and automatically purged when not

Stacks , which are the stores of variables that are allocated by the compiler when needed, and automatically purged when not needed. The variables inside are usually local variables, function parameters, and so on. In a process, the user stack at