C++

The advantage of reflection technology to assign values to classes is that it simplifies the code, and the benefits of encapsulation are obvious. The most direct use is to use in the display configuration file, the personal habitual practice is to

Reprint: http://poplars.blog.163.com/blog/static/1394221742013021111210567/n many books recommended to develop the use of transformation of the habit of keywords, a few years passed, feel still not accustomed to, C-style transformation operation is

Size ()--Returns the number of elements that currently exist. That is: the number of elements Capacity ()-Returns the number of data that the container can store. That is: container capacity Reserve ()--Set capacity size Resize ()--Sets

#include #include int main (int argc, char** argv) {std::string str;//--------1. Write data to a file-------- std::cout>str; Without this file, Std::ofstream outfile ("E:\\123.txt", Std::ios::app) will be created automatically;//write to file

1, define a macro function, so that func (x) = X-1? Simplest of all, if x = 2 is #define FUNC (x) 1 is a special x, so that # define func_helper_2 1#define func (x) func_helper_# #x这样在x = 2 o'clock is set up. Generalize to other numbers simply

has been no use C + + to write a graphical interface, previously written in C # very simple Ah, did not expect to use C + + or a bit uncomfortable!The first problem is to click a button, select the file, non-folder, is a file, is a picture of things

If you want to get a copy of C # Language specifications after you installed the VS.c#4.0 under Folder (VS2010):C:\Program Files (x86) \microsoft Visual Studio 10.0\vc#\specifications\1033c#5.0 under Folder (VS. or VS2013):C:\Program Files (x86)

The static modifier declaration belongs to the type itself , not to a particular object . Therefore, the use of the time is not instantiated, can be called directly.When a static variable is executed, the value does not disappear and will

#include int Search (char *s1, char *s2) {char *temp = s1;int count = 0;while (*temp! = ') ' {char *tmp1 = t Emp;char *t1 = S2;while (*t1! = ' ') {if (*tmp1! = *t1) *tmp1 if equal, and to the end, return 1if (break;//= = *t1 & & * (t1+1) = = ' + ')

Indispensable Windows Native (17), native17 [Download source code]Indispensable Windows Native (17)-C ++: class and Object Author: webabcdIntroductionWindows Native C ++ is indispensable Class and Object Example1. Class DesignCppEmployee. h #

C Language Study-function pointer usageFunction pointer usage  1. function pointer Definition The first time I used the function pointer, I declared it like this,Typedef void (* pSimulatepks) (uint8 * prxBuf, uint8 * prxBufLen ); The first bracket ()

LightOJ-1027 A Dangerous Maze Probability There are n doors in the maze, and each door has a corresponding value. Suppose the value of the I-th door is xi. If xi is greater than 0, after xi minutes, you can leave this door to walk out of the maze.

Hdoj1584 spider brand interval DP Question Link Analysis:F [I] [j] indicates the minimum number of steps required to stack a deck of cards I to j.D [I] [j] indicates the number of steps required to move the card I to card j (in the initial status

Fun PAT -- loop-19. Currency conversion (20), pat --- 19 　　One visible minute on the stage is attributed to ten years of invisible practice off the stage. "One minute on stage, ten years of success"   Question Link: Loop-19. Currency conversion (20)

Add Again (sorting of repeated elements) UVA11076, adduva11076Add Again    Summation of sequence of integers is always a common problem in Computer Science. rather than computing blindly, some intelligent techniques make the task simpler. here you

Implementation of the String class in C ++ # Pragma once # include # Include # Define _ SIZE _ 100 using namespace std; class Count {public: Count (): count (1) {} void add () {count ++;} void dec () {count --;} int getcount ()

Youyuan (youyuan function, youyuan class, And youyuan member function) C ++ In some cases, it is convenient to allow specific non-member functions to access private members of a class while still blocking normal access. For example, an overloaded

POJ1129 Channel AllocationQuestion Given an undirected graph, color with the least color so that the colors of all adjacent points are not repeated.Ideas The data is small and violent. Or directly greedy (always the smallest color of the id that can

Codeforces 550D. Regular Bridge Construction   For a graph, the degrees of each vertex are K and at least one bridge is required. Constructor: When k is an odd number, a solution is provided to construct such a graph. The Left Group has k + 1 points,

POJ 1469 COURSES (the maximum matching Hungary algorithm in the bipartite graph)  COURSES Time Limit:1000 MS   Memory Limit:10000 K Total Submissions:18892   Accepted:7455   DescriptionConsider a group of N