C

Comprehensive comparison of pointer variables, common variables, memory and address, and comparison of pointer variable memory This article introduces four concepts: 1. Common variables 2. pointer Variables 3. Memory (memory space) 4. Address What

C language-06 complex data type-02 string,-06-02 # Include int main () {// char name [] = {'I', 't', 'C', 'h', 's','t ', '\ 0'}; char name [] = "itcast"; name [3] = 'H';/* int size = sizeof (name ); printf ("% d \ n", size); */printf ("I attended

The openGL roaming function is simple, and the opengl roaming function Recently, when I got the openGL roaming function, I found a lot of source code on the Internet and did not achieve the expected results. Then I wrote an algorithm and shared

C language: Write a bubble sort to sort an integer array (from small to large)Program: sort by size # include int main () {int a [10]; int I = 0; int j = 0; int t = 0; printf ("input 10 numbers :"); for (I = 0; I a [j + 1]) {t = a [j]; a [j] = a

C Language Notes (two-dimensional array and numerical pointer), two-dimensional array pointer I. Differences between two-dimensional arrays and two-dimensional arrays (1) One-dimensional arrays are stored continuously in the memory. Likewise,

Csapp lab: Buffer Overflow, csappbuffer This is a well-known experiment on the official website of CSAPP. It injects assembly code to implement stack overflow attacks.Lab material can be downloaded from my github repository

What is the difference between object-oriented programming and process-oriented programming? C language is process-oriented programming. It is the most important feature of a function. It calls subfunctions through the main function. The program

(1) Learning APUE file IO and apue file io together . . . . . I have been learning APUE recently. By the way, I have recorded what I learned every day. On the one hand, I want to consolidate my learning knowledge and on the other hand, I want to

Question about function loop in C-language quiz games You may have written a quiz game when you are new to C. However, when writing a guessing function, you cannot avoid using loops. When a function is nested in a loop, your score variable may be

Object-c Date Summary/*** NSDate and NSDateComponents*//*** Create a date that identifies today* Method: Create an object that represents the current date using the date method in NSDate*/NSDate * todaysDate = [NSDate date];/*** Obtain the date

C language based on Hoffmann Coding ?1. Hoffman encoding descriptionThe Harman tree, which is the optimal binary tree with the minimum length of the weight path, is often used for data compression. In computer information processing, the "Harman

Program --- C language details 28 (const variable initialization, array size with const variable details, const variable and # define macro, volatile modification)Main Content: const variable initialization, array size using const variable details,

Sqlite database retrieval, sqlite Database 1. Retrieve all values in a field from the database 1 - (NSArray *)selectWithColumName: (NSString *)columName 2 tableName: (NSString *)tableName { 3 if ([self openDatabase] ==

Why C language learning? Why study and use C language? Why should I learn a programming language that may be older than myself? Choosing a programming language is the most important goal of "Why to learn". If the purpose is unclear, you cannot learn

When learning the essence of C language complement code (http://learn.akae.cn/media/ch14s03.html ). It is not very understandable, especially the description section. If 8 bits use the 2's sComplement notation, The value range of negative numbers is

One of the eclectic editing proceduresCyclic printing AlgorithmAuthor: Zhu YunxiangIn the novels, some people often say that the generals of XX are arrogant, so that the enemy cannot be prevented. For example, Li Mu in "Qin Kee", for example, Xiao

What? C language is cross-platform? When we first learned the C language, we all know that C is not cross-platform. Where can I start with the cross-platform nature of C? Haha, you can hear Jeremiah. The cross-platform nature discussed in this blog

This article describes the notification functions in the socket class. These member functions are all callback functions, and the Framework calls them to notify the socket object of important events. Notification functions include: OnReceive: Call

The method for measuring RTT is simple:Host A sends A message to host B, which includes the local time when host A sends the message.Host B immediately returns the message to hostAfter receiving the message, host A obtains the RTT by subtracting the

We can see a lot of C-related things. For example, "language ambiguity" mainly tells you about unexpected errors and ambiguous things in C language. Who said C language is very simple, but it is not easy to tell everyone about C language through