C + + file Utf-8 format

#include int i = 0;while (I {i++;Writelog ("D:\\log.txt", "AAAA Chinese people");}/utf-8 Format//writelog ("D:\\log.txt", "AAAA Chinese People");voidWritelog (Char* File_path,strings) {s= S +"\ r \ n";//line Break intLen; intSlength = (int)

C + + Capture segment error, print the exact location of the error (exactly to which line)

Revision: 2013-02-16In fact, you can also use the Backtrace_symbols function of glibc to translate the digital address inside the return address of the stack frame into the symbolic description.Revision: 2011-06-11Background knowledge:· The signal

The---of the data structure the transpose of the C language implementation matrix

Transpose of the matrix//I wrote in the previous blog that ternary matrix Operations//transpose in it to deepen understanding, this is re-written in the popular//understandable code, as follows: #include #include int Main () {int I, J, b[3][3];int

[Use of C/c++]pragma comment

The macro places a comment into the object file or executable file. #pragma comment ( comment-type [," commentstring "] ) comment-type is a predefined identifier that specifies the type of comment, which should be compiler, exestr,lib,

Preach Intelligence Podcast C + + Public Lesson notes--Hacker Code Analysis and prevention

Hacker code Analysis and Prevention notes"Course profile"C + + language is in addition to the compilation, the closest to the bottom of the computer language, the current windows,linux,ios,android and other mainstream operating systems are written

Dark Horse Programmer C Language: Data type

sin

The data type of the C languageThe various variables used in the C language program should be described in advance, that is, before use. The description of a variable can include three aspects:• Data type• Storage Type• scopeThe so-called data types

C + + file stream basic usage (fstream, ifstream, Ostream)

Objective:C + + file stream processing is actually very simple, if you can understand it. The essence of file flow is the use of a buffer middle layer. A bit like standard output and standard input.The design of C + + IO guarantees IO efficiency

Seven, stack to achieve C language symbol matching

1, LinkList.h#ifndef _linklist_h_#define _linklist_h_typedef void linklist;typedef struct _TAG_LINKLISTNODE Linklistnode;struct _tag_linklistnode{Linklistnode* Next;};linklist* linklist_create ();void Linklist_destroy (linklist* list);void

Sakamoto Chihiro "Visual C + + adventure game Programming" personal reading notes part_1

Because it is about the book's first reading notes, the general content of the book, here briefly;"The Book of Visual C + + adventure game Programming""Author" Sakamoto Chihiro (Japan)"Game content" Avg Adventure game (Galgame is one of AVG's)"Game

VC + + Direct operation using C # class library basic operations

C # is simple and easy to operate, and has a relatively rich class library, easy to handle a variety of situations, such as the processing of strings, I think in C # is more convenient, or java and so on, with C + + It feels more cumbersome to

Big talk design mode C + +-Simple Factory mode

The simple factory pattern should be the simplest and most basic pattern in all design patterns, and here is a simple calculator that uses the Factory mode to write a subtraction.1, abstract interface class-dependency reversal principle (both upper

Academy Online tsinghuax:00740043x C + + language programming Fundamentals Fifth Lab

The first question: "Fish treasure"Title DescriptionPlease implement a "fish treasure" class, the following has given the code template, according to the main function in the operation of the class, supplementary class implementation of partial

14th Week "Project 4-Procedures for handling C + + source code" (1)

Problem Description:The functionality of code formatting is provided in the IDE, such as Codeblocks. To complete this function of the program, the operation of the data is written in C + + source code files. A C + + source file is a text file that

Talk C Chestnut Bar (11th: C Language Example-file organization structure)

Crossing, everyone, from today onwards, we talk about the large-scale couplet science fiction: C Chestnut, that is, C language examples. Gossip Hugh,Words return to the positive turn. Let's talk C chestnuts together!Crossing, the last time we were

Comparison between Java and C in integer summation

Comparison between Java and C in integer summation come on, it's a whim tonight. Test the performance of C and Java on the same platform ubuntu14.04, with the same computational load. However, the final results of the experiment surprised me, and in

Java encryption Technology (c) symmetric encryption algorithm PBE

In addition to DES, we also know that there are Desede (TripleDES, 3DES), AES, Blowfish, RC2, RC4 (Arcfour) and other symmetric encryption methods, the implementation of the same way, here is another algorithm of symmetric encryption--PBE PBE pbe-

C:\\MFC control size changes depending on the size of the form

One. Both size and position change1. First add CRect m_rect to the form class, which is used to record the current size of the form.2. Inside the Class Wizard (Ctrl+w), add the response function of the message wm_size to the form onsize ();Note if

Commonly used Linux/C + + open-source sockets library

1. Linux Socket Programming in C + + : http://tldp.org/LDP/LG/issue74/tougher.html2. ACE: http://www.cs.wustl.edu/~schmidt/ACE.htmlAce uses the Ace_os adaptation layer to mask a variety of different, complex and cumbersome operating system APIs.ACE

C # retains 2 decimal places

1. Only require the retention of n bits not four 5 into float f = 0.55555f;int i = (int) (f * 100);f = (float) (i*1.0)/100;2. Keep n bits, rounded. Decimal d= Decimal. Round (decimal. Parse ("0.55555"), 2);3. Keep n-bit rounding Math.Round (0.55555,2

"Reprint" C # HttpWebRequest send soap XML

Several ways to call WebService:Method One: Add a Web reference (simple/convenient limitation client is. NET)Method Two: Post XML (highlighted in this article)Method Three: Use the Microsoft MSXML2 component (as if it is not supported on window

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