C

Dark Horse programmer-C language open-door chip memory analysis, dark horse programmer open-door IOS training, iOS study --------- technical blog, hope to communicate with you! ------------   I. Summary of various hexadecimal formats1. Binary (1) in

General linked list in C Language In operating system programming, C is often used, but C is extremely painful to use, unlike C ++, which has a convenient STL template library. In the Linux kernel, there is a set of magical universal linked list

Andriod gesture password cracking, ★Introduction I saw an article on Freebuf about Andriod's gesture password encryption principle. I thought it was interesting, so I wrote a small program to try it.   ★Principle Android's gesture password

Object-C learning notes NSString common methods-- Instantiation method --------------NSString * str = [[NSString alloc] init];NSString * str = [[NSString alloc] init] autorelease]; Note: NSString contains its own instantiation and initialization

Sequence Table Implementation (C language) # Include # Include # Define MAXSIZE 100 struct List {int element [MAXSIZE]; // int len; // length of the current linked List} * t; void print (List * t ); int Isemtty (List * t) // determines

ObjectC ---- Block usage and array sorting using blocks // Created By Guo Zai April 02, 2015 17:45:01   Function in vitro: Typedef int (^ Block) (int, int); // rename Typedef void (^ Block1) (int ); Int n = 0;=========================================

1 ~ Enter a line of characters from the keyboard to count the number of words. A word is considered to be a character sequence between spaces ., Enter the keyboard here # Include Int main (){Char ch;Int count = 0, startWard = 0;While (ch = getchar (

PAT 08-2 finding the local maximum of matrix, pat08-2 This question is quite simple, but it is an article every day. Two points: first, my carelessness led me to spend a lot of time looking for errors. I saw four test cases for three. I thought the

PAT 07-2 A + B and C, pat07-2 There are two noteworthy points: 1. The use of variable-length arrays (VLA), I did not expect that OJ on PAT actually supports C99, it was useless at the beginning, look at other people's, since, I don't like it very

Use C language to calculate the number of words in a string   # Include Int main () {char string [100]; int I, num = 0, word = 0; char c; gets (string ); // obtain a string from the keyboard (I = 0; (c = string [I])! = '\ 0'; I ++) // if the

Calculate the first address (forwarding) of a struct using the address of a member of the struct. Recently, many people on the CU Forum asked the following question: give the address of a struct member to calculate the starting address of the struct.

PAT 06-2 string uppercase/lowercase conversion, pat06-2 There is nothing to say. Remember to use ctype. h is ready. Tan haoqiang introduced the book. I'm sorry for the old man's family if I don't use it anymore. A little bit of attention should be

PAT 06-3 words, pat06-3 words This topic is simplified, with the question "ending with '.'" and "words have nothing to do with language ". In three cases, the input and output are .-> NO output A B.-> 1 1 (no space) A B.-> 1 1 (no space) In the

C language Performance Optimization    (1) is Data Alignment faster?From the first day of learning the data structure, the book tells us that data alignment can make access faster. I have always been impressed by this, but I have never been quite

C language beginners compare five integers and output the maximum and minimum values 1 and five minimum values # Include # Include Int max (int x, int y) { If (x> y) Return x; Else Return y; } Int min (int x, int y) { If (x Return x;

C language programming: Turning numbers over Method 1: (easy to understand)   # Include # Include Int main () {int n; scanf ("% d", & n); // enter the number int result = 0; // Save the flipped result while (1) // while (true) can

C language string operation function implementation, C language string Function 1. String inversion-strRev void strRev(char *str){ assert(NULL != str);   int length=strlen(str); char *end=str+length-1; while(end > str) { *str=

There is always something you don't know in C Language -- (continuous update) /* Although I have learned C language, I still haven't met some things that I don't know: */# include # Define NUMBER 5/* define: the variable names after the macro

Cygwin compiles SDL1.2 and cygwinsdl1.2 1. Download an sdl-1.2.14.tar.gz file. 2. Download a cygwin64to decompress sdl-1.2.14.tar.gz Tar-zxvf SDL-1.2.14.tar.gz The following three steps are required for searching online: (1)./configure (2) make (3)

Union and big-endian, littleendian 1. Basic Features of union -- same and different from struct Union, the Chinese name "consortium, shared body", in a way similar to a structure struct data structure, shared body (union) and struct (struct) it can