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
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
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
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
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
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.
#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
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
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 #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
? 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"Learning goals"1. Macro definition2. The file contains "processing3. Conditional compilationPre-processing command: Can improve the design environment, improve the efficiency of
*************************************** 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
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
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
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)
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)
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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