LUA-stack operations for LUA and C + + interaction--an example of registering C + + classes in Luatinker

lua

--Lua Stack content (execute to pop statement) stack address Space_name[name] = T1--(2B8)--Lua_rawset (L,-4);--T1[__GC] = destroyer--(2D8)--Lua_rawset (L,-3);--destroyer--(2F8)--Lua_pushcclosure (L, Destroyer, 0);--__gc--(2e8)--lua_pushstring (L, "__

C Language Function Manual learning

Directory1. Character test function2. String manipulation functions3. Memory management function4. Date and Time function5. Mathematical Functions6. File Operation function7. Process management functions8. File Permission control function9. Signal

Effective C + +-----clause 12: Don't forget every ingredient when copying an object

The copying function should ensure that all member variables within the object and all base class components are copied.Do not attempt to implement another copying function with one of the copying functions. Common functions should be put into the

C to C + + fast over C struct to class

Remember the structure of C language?struct point{Double X;Double y;};The code above is a "structural template" and we use it to create a type called point.After that, we can declare the point type just like a variable declaring a primitive

What you can't learn in class C and C + + those things (i)

First, declare that this is a series of articles. As for the whole series of how many articles, I do not know, do not know how many articles, also do not know how long will update an article. Anyway, there is only one principle, written out of the

Placement New in C + +

Placement New in C + + is: The overloaded version of operator new, which is used to create objects on already allocated memory. This allows the memory to be manipulated in user space, reducing the cost of object generation, controlling the object's

Implementation of TCP server and client in Linux under C language learning

The client code is as follows:#include #include #include #include #include #include #include #include #define PortNumber 3333int main (int argc, char *argv[]){int sockfd;Char buffer[1024];struct sockaddr_in server_addr;struct Hostent *host;/* Use

16 +/C + + face questions that we commonly use

1. What is the role of static in C(1) Hide. When we compile multiple files at the same time, all global variables and functions that do not have a static prefix have global visibility, so use static to define a function with the same name and a

C + + pod type

POD (Plain old Data) concept: arithmetic Types (3.9.1), enumeration types, pointer types, and pointer to member types (3.9.2), and cv-qualified (Note 2 ) versions of these types (3.9.3) are collectively called scalar types. Scalar types, pod-

"C + + Institute" (5) object-oriented programming exercises--H and CPP are written separately

Abstract a point, a circle, and determine the relationship between points and circles. (inside or outside the circle)h file for the Declaration of class;CPP file is the implementation details of the class, the main attention details are:=============

Private/protect/public & Virtual in C + +

PrivateThe private control character. Such members can only be accessed by member functions in this class and by friend functions of the class.ProtectedThe protected control character. Such members can be accessed by member functions in this class

The tangle of C + + Const member functions

The beauty of Const is that it allows you to specify a semantic constant. You should use it as much as possible in your code, global scope, namespace, inside the class, whether it's static or non-static, and you can use it.A const object that can

[C + +] leetcode:110 Spiral matrix (Spiral output matrix Element)

Title:Given a matrix of m x n elements (m rows, n columns), return all elements of the Matri X in Spiral Order.For example,Given the following matrix:[[1, 2, 3], [4, 5, 6], [7, 8, 9]]You should return [1,2,3,6,9,8,7,4,5] . idea: Let's draw a

An understanding of a pen question C + + copy constructor

Look at the code output below#include #include #include class a{char* data;public:a (char* pdata) { int len = strlen (pdata);d ata = new Char[len+1];memset (data, 0, len+1), memcpy (data, pdata, Len);p rintf ("Just call me\n");} ~a () {if (data)

WebService Timer timer in C # automatically stops running after a period of time

I use. NET to do a timer timer, timed to get text messages and give replies, but probably after more than 10 hours, timer timer will automatically stop, and then send text messages can not receive a reply, need to re-run the timer in the server can,

C # Interface Basics Tutorial two defining interfaces

Defining interfacesTechnically, an interface is a set of data structures that contain a function-based approach. With this set of data structures, the client code can invoke the functionality of the Component object.The general form of defining an

C # Interface Definition

C # Interface DefinitionC # does not support multiple inheritance, but there are more cases in the objective world where multiple inheritance occurs. In order to avoid the complexity of traditional multiple inheritance to the program, C # presents

Write a program that alternately merges the words in the A.txt file with the words in the B.txt file into the C.txt file, with the words in the A.txt file separated by a carriage return, separated by a carriage return or a space in the B.txt file

1 PackageSundemo2;2 3 ImportJava.io.File; 4 ImportJava.io.FileReader; 5 ImportJava.io.FileWriter; 6 7 Public classmainclass{8 Public Static voidMain (string[] args)throwsexception{9FileManager A =NewFileManager

Differences between I ++ in java and I ++ in C

Differences between I ++ in java and I ++ in C In java: Using the intermediate variable mechanism:I = I ++; Equivalent: Temp = I;I = I + 1;I = temp; (I = I ++ = temp) # Note: An auto-increment command (I .e: before the "+" and "=" operations

C ++ landlords (distribution licensing algorithm)

C ++ landlords (distribution licensing algorithm) The previous article introduced the general licensing ideas of landlords. Today I will share some difficult distribution and licensing algorithms. Thank you for your comments! The requirement is as

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