Common debugging methods (GDB) for C/C + + programs under Linux

 whether in the process of development or operation, debugging to ensure the normal operation of the most basic means, familiar with these debugging methods, so that we quickly locate the problem of the program, improve development efficiency. a

Create a TextBox dynamically in C # and get the data from the database in the table add to the textbox

1 Private voidFormlugother_load (Objectsender, EventArgs e)2 {3 foreach(stringStrinchformlug.fieldlistlug1)4 {5 Try6 {7Label label =NewLabel ();8Label. Text =str;9

Correct use of PRID64 in C + + (reprint)

Transferred from: http://blog.csdn.net/win_lin/article/details/7912693  Example reference high-performance streaming media server Srs:https://github.com/winlinvip/simple-rtmp-serverThe PRID64 is widely used in SRS to achieve 32 and 64-bit systems

On pointers and Arrays in C (v)

Some knowledge of C pointers and arrays is written in the front, but there are some important knowledge not explained, here is a supplement.First look at the way the normal variable (the pointer is also a variable) and the array name to view the

A summary of the C + + function pointer usage

 C + + function PointersA function pointer describes A function pointer points to a particular type, and the type of the function is determined by its parameters and return type, regardless of the function name. Examples are as follows:int add

OPENCV Mat Multi-Channel C + + operation method (for Windows/linux)

Recently in doing OPENCV multi-channel operation found on-line examples are very few, in order to facilitate the memory of their own write a demo.Example in VS2010 + OpenCV 2.4.9 compiled through, as long as the configuration of the OpenCV Lib path

C + + operator overloading notes

Today I saw operator overloading in C + + and logged it for later review:#include using namespace Std;class f{int n;int d;void reduce () {int mcd = MAXCD (n d =-this->d;this->n =-this- >n;} Reduce (); cout Note the point:1. Anonymous objects2.

C language input a 2-5-digit number, remove the number left after the first!

#include int main () {int i;do{printf ("Please enter a 2-5-bit number:");scanf ("%d", &i);if (i>9&&iprintf ("The remainder after the first removal is:%d\n", i%10);else if (i>99&&iprintf ("The remainder after the first removal is:%d\n", i%100);else

C + + virtual function table parsing

Preface The function of virtual function in C + + is mainly to realize the mechanism of polymorphism. In terms of polymorphism, in short, a pointer to the parent type points to an instance of its child class, and then invokes the member

Will the C language launch the stage of history?

Cwill language really leave the stage of history? Clanguage can be said to be the earliest computer language, but with the development of computers, there are new languages such as:. NET,VB,Java,Javascript,HTML,PHPand so on, it even

How to determine the current state of a thread in C #

how to determine the current state of a thread in C #SinomIn C #, the thread object thread uses the ThreadState property to indicate the thread state, which is an enumerated type object with the Flags attribute, so judging the current state of the

The difference between delete and delete[] in C + +

? has been on the C + + DELETE and delete[] The difference is not very understanding, today encountered, surf the internet for a moment, came to the conclusion. Make a backup to avoid loss.???? C + + tells us to use delete[] when reclaiming the

C Language 11th round: pre-processing command of the concentration camp

C language 11th round: pre-processing command of the concentration camp"Learning goals"1. Macro definition2. The file contains "processing3. Conditional compilationPre-processing command: Can improve the design environment, improve the efficiency of

"Effective C + +" study notes-clause 12

*************************************** Reprint Please specify the Source: Http://blog.csdn.net/lttree ********************************************Ii. Constructors,destructors and Assignment OperatorsRule 12:copy All parts of an objectRule 12: Do

C + + Summary of function overloading

1) Same function name2) function declarations are within the same scope (a class forms a scope, so subclasses cannot overload functions that inherit from the parent class, and functions that inherit from different parent classes cannot be overloaded

C # reads RSS feeds and leverages the SOLR index

The problem that afflicted me for a few days was finally solved today, sharing some of the recent experiences of SOLR.It was a crawl of the page with Nutch, but the customer needed to crawl the RSS feed, and could identify those pages that were

C # WebBrowser controls in a detailed

8279696530 , Common method Navigate (string urlstring): Browse urlstring represented by URL Navigate (system.uri URL) : Browse URLs represented by URL navigate (stringstringbyte additionalheaders): Browse urlstring for URLs and send messages in

HDU 4793 Collision (2013 Changsha Regional Race game c)

Title Link: http://acm.hdu.edu.cn/showproblem.php?pid=4793Problem-Solving report: There is a circular medal on a plane, the radius is Rm, the center of the Circle is (0,0), and there is a circle range center is also (0,0), the radius is r,r > Rm,

(Daily algorithm) LeetCode -- Set Matrix Zeroes (Matrix Set to zero)

(Daily algorithm) LeetCode -- Set Matrix Zeroes (Matrix Set to zero) Given a matrix, if there is a zero element, the row and column of the zero element are set to zero. Given a m x n matrix, if an element is 0, set its entire row and column to 0. Do

HDU 1060 Leftmost Digit (number theory)

HDU 1060 Leftmost Digit (number theory) Leftmost Digit Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission (s): 13680 Accepted Submission (s): 5239 Problem DescriptionGiven a positive integer N, you

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