global vs local variables

In a highly competitive gaming industry, using scripting can reduce difficulty and cost, especially in the face of challenging and frequent requests for page tours. In the process of using LUA, global variables are frequently accessed as

Storage Class of local variables and global variables in C Language (static, extern, auto, register) 1. Local and global variablesAs mentioned in the discussion of the parameter variables of a function, the parameter variables are allocated memory

storage categories for local and global variable variables in C language (Static,extern,auto,register) 1. Local and global variablesWhen discussing the shape parametric of a function, it was mentioned that the form parametric allocates memory

storage categories for local and global variable variables in C language (Static,extern,auto,register) 1. local and global variables When discussing the shape parametric of a function, it was mentioned that the form parametric allocates memory

Global vs. local variables1. Variables defined in subroutines are called local variables, and variables defined at the beginning of a program are called global variables.2, the scope of global variables is the entire program, the scope of the local

See the following code:This code is actually about how JavaScript creates a private variable and a private method. This is not a big problem. It should be noted that, after entering the class, the private methods of the class can use the private

7.4 internal and external variables All the variables in C language have their own scopes. Variables indicate different locations and have different scopes. Accordingly, variables in C language are divided into internal variables and external

Consider a python program like this:x = 12def func ():x = 1Func ()Print (x)Output is: x = 12Because the x defined inside the function is considered to belong to the local scope only, in order to show that I am referring to the global x instead of

ConceptThere is a concept called thread-local variables, generally we are in multi-threaded global variables will be locked processing, this variable is a shared variable , each thread can read and write variables, in order to maintain

The basic usage of these two keywords is outlined in the previous article:Global is used for local modification or redefinition of globalsNonlocal used to modify or redefine external variables (except global variables) in an internal scopeIt's just