49,765 Topics
 | |
| | Hi, I need to make a video player. I have sequences of image data (bitmaps) which are very large (1920x1080), and need to display them onto the screen at least 60FPS. What is the most efficient way to do this so I won't get loading/displaying delays? PS: I'm thinking to … |
| | Just a thought that woke me up this morning. A means of providing 'property' type constructs in C++ classes similar to python properties. # Header # #ifndef _HXX_CPROP #define _HXX_CPROP /** * Helper class to connect a 'property' in a * c++ class to getter/setter methods * */ template<class T, … |
| | need to design a code for my first assignment in dev c++ for olmypic judging, 5 judges, 10 competitors, need to score each competitor between 0.0 and 5.0. i cant use the highest score for each competitor or the lowest and must average the remaining results. any help? i have … |
| | |
 | Hi there, I have an array of unsigned chars SOURCE, i need to combine into DESTINATION, i want to turn: SOURCE[0] = 3 SOURCE[1] = 9 SOURCE[2] = ' ' SOURCE[3] = 0 SOURCE[4] = 4 SOURCE[5] = ' ' SOURCE[6] = 7 SOURCE[7] = d into DESTINATION[0] = 39 …  |
| | I'm using Visual C++ express 2010. Whats wrong with this code: (A video tutorial uses this code and works fine on theirs) #include <iostream> using namespace std; int main(){ string myString = "hello"; cout << myString << endl; return 0; } ??? Says: error C2679: binary '<<' : no operator …  |
| | #include<iostream> #include<string> #include<vector> #include<set> #include<map> using namespace std; struct PoiDetails { int x; std::string s; }; int main() { struct PoiDetails oBj; std::map<std::string, PoiDetails> vName; oBj.x = 1; oBj.s = "str1"; vName["Jhon"] = oBj; oBj.x = 2; oBj.s = "str2"; vName["Ben F"] = oBj; oBj.x = 3; oBj.s = "str3"; …  |
| | When I write program in Visual Studio 2010, then error comes that "cannot find or open PDB file". Is their any solution of this problem?  |
| | #include <cstdlib> #include <iostream> #include <graphics.h> int main() { initwindow(1366, 768, "Prim's Algorithm"); int midx,midy; // /**************Node 0 creation***************/ midx = (getmaxx()/12); midy = (getmaxy()/12); rectangle(midx + 30,midy-10,midx - 30,midy+10); midx = (getmaxx()/12)-1; midy = (getmaxy()/12)-8 ; // setcolor(10); outtextxy(midx, midy,"0"); /*******************Right Vertex******************/ setcolor(15); midx = (getmaxx()/12) + 30; midy … |
| | <html> <head> <title>Nutrient</title> </head> <body> <? $filName = "resource.txt"; $objWrite = fopen($filName, "w"); $objConnect = mysql_connect("localhost","u52030177","guillaume") or die("Error Connect to Database"); $objDB = mysql_select_db("u52030177"); $strSQL = "SELECT * FROM Nutrient"; $objQuery = mysql_query($strSQL) or die ("Error Query [".$strSQL."]"); //$link = mysql_connect("localhost","u52030623","u52030623"); //mysql_select_db("u52030623"); mysql_query("SET NAMES UTF8"); //$sql = mysql_query("select * from … |
| | hi,i am new to programming and i got an assignment which is very difficult,i hope anybody can help me here !! You have to make a racing game in C++. There are two players in your program. They play by throwing 3 dices and then moving forward. Your program should …  |
| | pls help me...i wnt to know how to delete a word from a string...cant make it out..pls help... |
| | Hi again everyone. A really newby question coming up because I just don't know how to put this. If I want some software which can be compiled as part of my application / project etc, something which has little or no reliance on external programs (all packed in as part … |
| | Hello all... I want the multiplication of the same matrix but in third, forth, fifth... degree. I have made the C++ program and this is the code: #include <stdio.h> #include <stdlib.h> #include <iostream> using namespace std; #define WIDTH 3 #define HEIGHT 3 void main(){ int a[HEIGHT][WIDTH]; int b[HEIGHT][WIDTH]; int n; … |
| | Hi All, I need your guidance for a project (using Visual Studio + MFC) I'm doing. I want to create page flipping animation of a book. There should be a book and when I click on a key then the next page should be displayed. You get the idea? Similar … |
| | Hi, Below is my code Socket CSocket,SSocket; sin_ad.sin_family = AF_INET;//sin.sin_family = PF_INET; sin_ad.sin_port = htons((u_short)m_Port); sin_ad.sin_addr.s_addr = INADDR_ANY; int s_len = sizeof(sin_ad); CSocket = accept(SSocket,(struct sockaddr *)&sin_ad, &s_len); ****if (ioctlsocket(CSocket, FIONBIO, &iMode))//iMode is ulong set to 1. { idc_txtbox.put_SelText("Unblocking of Socket failed"); closesocket(ServerSocket); WSACleanup(); }** if (CSocket == INVALID_SOCKET) { … |
 | 1.If cin and cout objects are in the 'iostream' , why do we need to declare it again using 'std' ? 2.are cout,cin,cerr,clog the only ones in the iostream? 3.under which categories do cin,cout and iostream fall? (library,object etc..) 4.can we use the same iostream for both linux and windows? … |
| | So I managed to get everything working right except for one thing, when I enter the following input: a = 2 b = 2 c = 2 I should be getting this: Root 1 = -0.5 + 0.866025i Root 2 = -0.5 - 0.866025i But I get this: Root 1 … |
| | #include <fstream> #include <iostream> using namespace std; char input_1[256]="1.wmv"; char output_1[256]="2.wmv"; char output_2[256]="3.wmv"; void Append() { ofstream write(output_1,ios::binary|ios::app); ifstream read(output_2,ios::binary); read.seekg(0,ios::end); int size_=read.tellg(); read.seekg(0,ios::beg); char* in=new char[size_]; read.read(in,size_); write.write(in,size_); write.close(); read.close(); } void Split(){ int size_; ifstream read(input_1,ios::in|ios::out|ios::binary); if(read.is_open()) { read.seekg(0,ios::end); size_=read.tellg(); const int half=size_/2; read.seekg(0,ios::beg); char* file_content_a=new char [half]; … |
| | Hey programmers! I am searching for a code and unable to get it. I know this is the best place to ask. Please help me with this file handling code. "How to count the occurrences of a specific string in a text file using c".... Please help as soon as … |
| | Hi there, How do we differentiate between NULL and zero in C++. I have a program in which i assign NULL to num variable but if i apply if condition to check whether it is NULL or zero. Program still gives me result zero. //num = 0; num = NULL; … |
| | Hi everyone, I am stuck in writing Bank Account program. I want that if user wants to create an account, BankAccount class object is created. Then after this i call to its methods such as getBalance() to get the balance in the account. But its not working and I am …  |
| | Hey... If I just built a library for any open source software for C++, what file type should the library files come in? .a OR .o files? Thank you. |
| | Hello, I'm a beginner in c++. I'm trying to write a program that simulates the game "Tic Tac Twice" (the game is described below). The program works ok until it's time for my checkForWinner() function to do its job. I can't figure out why it's not working. Any help on … |
| | what is the difference between std::cout<<"dfdfd"<<endl;//everywhere and using namespace std::cin putting above line at the top of the main function and putting the below line at the top of the main using namespace std; and + 2 bonus questions. 1.Are there any other namespaces than 'std' in c++? 2. Are …  |
| | I'm using Eclipse and I made a program that reads ID3 tags. The problem is that each time I run it, it stops in this line: TagFrame * tmpFrame=new TagFrame(frameID,header.getFilename(),stream); bufferLeft-=tmpFrame->getFrameSize(); tmpFrame->readObject(); frames.push_back(tmpFrame); //This line!!! Where the variable 'frames' is a std::list<TagFrame*>. This block of code is beeing called from … |
| | hi all! :) well i wrote a sample code to test threads and i don't get what i want the problem is that the thread i created is starting directly after i create it? but he must start when my j is equal to 25 and then i joining the … |
| | How do I write a recursive function in C++ to display a triangle of * like this using a parameter size (e.g. 4 in the following example): * ** *** **** I am able to write a recursive function to display an inverted triangle like this: **** *** ** * …  |
| | Al slam A'lykom .. its kinda freaky to me .. cuz its my first year in c++ ( in fact its few months not even a year ) and i have a project , and its to create an ATM program that asks the user if he is new or … |
| | void Project1(){ unsigned short int x; bool flag = false; cout << "Enter an interger, I will reversed i.e. 301 --> 103" << endl; cin >> x; if ((x > 0) && (x <= 65535) ){ flag == true; cout << reverse_num(x); cout << endl; } else { cout << … |
The End.