define static character

In php5, const, define, and static 1. in const programming, we generally use constants to define the constant values that cannot be changed during runtime. let's take a look at const in php, there is nothing to say about this, just to improve the

About the Unicode character set(2011-10-20 20:54:03) The initial Unicode encoding is a fixed-length, 16-bit, or 22-byte representation of a character, which can represent a total of 65,536 characters. Obviously, it is not enough to represent all the

1. Const In programming, we generally use constants to define the constant values that cannot be changed during runtime. Let's take a look at the const in PHP. There is nothing to say about this, let's just talk about it for the sake of Knowledge

Static A static data type is used to create a permanent storage space for a variable. The statically variable keeps their values unchanged when invoked between functions. When used in a class, all the variables that are used in a static variable

Static variables are used in a file. Space is allocated at the beginning of the program, and space is released at the end of the program. The default value is 0, which can be changed during use. Static variables or static functions can be accessed

RegisterA variable declared with register is called a register variable, which is stored directly in the register of the machine, if possible, but not for the four-bit compiler when the global When optimizations(global Optimization) is on, it makes

Static variables are scoped to a file, space is allocated at the beginning of the program, Space is freed at the end, default is initialized to 0, and its value can be changed when used.static variables or static functions only the code in this file

Detailed description of the role of static in C/C ++1. in C language, the literal meaning of static can easily lead us astray. In fact, it has three functions.(1) first introduce the first and most important one: hiding.When we compile multiple

Static is a common keyword in C + + that is used to control how variables are stored and visible.In a class definition, its members, including data members and member functions, can be declared as static members with the keyword static. The

The previous article mentioned the generation of garbled code: http://blog.csdn.net/xieyuooo/article/details/6919007 The main reason is that the encoding and decoding methods are different. Sometimes, if we know the encoding method, decoding will