51,593 Topics
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| | Hello World ! Can anyone tell me how to put a '+' character at the screen centre in 3D World space..It should stay at the centre while moving camera..I don't want to use glutWarpPointer()...anyone who can tell me ..when I move my camera it must be at the screen centre.. |
| | Write a program that emulates the DOS COPY command. That is, it should copy the contents of a text file (such as any file) to another file. Invoke the program with two CPP command-line arguments—the source file and the destination file—like this: C>ocopy srcfile.cpp destfile.cpp In the program, check that …  |
| | so..i found this on wikipedia but i dont really get what dist, previous, alt mean in here.. [CODE] 1 function Dijkstra(Graph, source): 2 for each vertex v in Graph: // Initializations 3 dist[v] := infinity ; // Unknown distance function from source to v 4 previous[v] := undefined ; // …  |
| | hey, I have to write a program that asks the user for an input amount (in cents) and the highest denominations of change (1c,5c,10c,20c & 50c). With these 2 inputs, the program then finds the distinct ways in which the change for the given amount can be made using the …  |
| | Hi, just finding out about making a program that will switch my monitor mode from DVI to HDMI and backwards. Is there any of you guys that done similar thing? Is there a possibility to guide me where to start my research and coding. thanks for help anyway  |
| | Design and develop a program for balanced delimiters checking . Use the stack class defined in STL. Your program should take from the user the name of the C++ program he wants to check and then opens it and processes its text and issues a message saying that: You the …  |
| | please if any one knows howa to solve this problem Write a program that asks the user for the level n that he wants and creates the Farey sequence as a linked list of fractions of level 1, then extends it to level 2, 3,...n. Below are input/output samples: Input … |
| | Hi there, I have been given this question to complete but I can't seem to get my code working properly. I'm very new to C# so sorry if i come across as stupid! Here is the question... Create a class that represents the grade distribution for a given course. In … |
 | Hi dudes, does anyone know where is the problem this my code: [CODE]void CMyListBox::loadSources(CMyListBox::eInputMode eMode,const std::vector<wchar_t>& coll) { wchar_t *pBuffer=new wchar_t[coll.size()]; std::copy(coll.begin(),coll.end(),pBuffer); wchar_t zodis[20]; while (swscanf_s(pBuffer,L"%s",zodis,20)) MessageBox(zodis); }[/CODE] the imput(pBuffer) is this string "šešios žąsys su šešiais žąsiukais." swscanf_s only keeps reading the same word "šešios" ...  |
| | hi, first of all im noob and 11 years old so don't blame me if something is wrong! i try to read a txt, see a version, read a txt on a server, see if on server newer and ask to update if yes. any suggestions? Oh and in C++ …  |
| | Hi, What can I create a list? I would like to know how to insert items in a list. I wrote this code [CODE] void addElem(lista *&head, int elemento){ if(temp == NULL){ head=new lista; head->value=elemento; head->link=NULL; temp=head; }else { lista *new_node=new lista; while(temp != NULL){ temp=temp->link; } new_node->value=elemento; new_node->link=NULL; temp=new_node; …  |
| | Hello. I have been out of programming in C++ for about a year now (around the time I took my last C++ class) and I am wanting to get back into it. So I decided to make a rock, paper, scissors game to refresh my memory but I am running … |
| | [CODE]#include<stdio.h> #include<iostream.h> int main() { int x,y,z; x=y=z=5; z=++x||++y&&++z; printf("x=%d,y=%d,z=%d",x,y,z); } [/CODE] why the output is x=6,y=5,z=1?? shouldn't it be x=6,y=6,z=1  |
| | the only problem in this code is i must use longer username and password like for example dani and the password is web, not d and w only. this is very easy but i didn't make it, please help me with this. In this program, after you log in you … |
| | Hi I'm working on a project. i'm using c++ gui windowns forms. when people press the red cross, then the program need to do something before exiting the program. can someone tell me how to make this. what event I need to use. thanks in advance |
| | What is causing the C:\Program Files\Common folder to open on boot up? I have to close it every time lately. Sometimes it reopens if I close it too soon. This is annoying. I have Windows XP. |
| | // student.cpp - Script 9.7 #include <iostream> #include <string> // Declare the Person class. class Person { public: Person(std::string theName); void introduce(); protected: std::string name; }; // Declare the Teacher class. // Teacher inherits Person. class Teacher: public Person { public: Teacher(std::string theName, std::string theClass); void teach(); void introduce(); protected: … |
| | Hi , A simple stupid question: I am to read the contents of a file that goes this way RXbytes = 0 b TXbytes = 0 b RXbytes = 3 Kb TXbytes = 2 Kb RXbytes = 119 Kb TXbytes = 6 Kb RXbytes = 189 Kb TXbytes = 5 …  |
| | hi. Im trying to make an expresion tree for every ER that I read each ER will be transformed into postfix and saved in a string, which I'll be sending to arbol_expresion() to create it`s tree expression Searching on the web I found a method to convert the postfix expresion … |
| | I don't know what I'm doing wrong but I open my filed correctly but it doesn't display the contents in the file. Please help. [CODE]#include <iostream> #include <fstream> using namespace std; int main() { const int SIZE = 81; char input[SIZE]; fstream dataFile; dataFile.open("info.txt", ios::in); dataFile.getline(input,SIZE); system("pause"); return 0; }[/CODE] |
| | I've done Hello World programs with Visual C++ Express 2010 before, but I always checked the "Empty Project" option. This time I selected a Console project and took the defaults. Program is below. [code] // HelloWorld.cpp : Defines the entry point for the console application. // using namespace std; #include … |
| | I want a c++ code to : play a segment of awave between two times entered by the user. for ex :to play a wave between 4 and 100 seconds. |
| | My program is suppose to create a two dimensional array that is read from a file. And use a recursive function to find how many white areas ('w'). My program runs with no errors but i cant get any response from my recursive function. Cpp file: [CODE]/* This program accepts … |
| | First, my program works. I'm posting my code for my own personal benefit with the help of your guidance to know of any better way of handling this code. I was considering the use of [CODE] while(cin >> grabname) [/CODE] to possibly continue grabbing from the input stream until '\n' … |
| | hello, i wrote a little program, but There are some problems. Can anyone help me? here is the code: [CODE]#include <iostream> #include <math.h> #include <fstream> using namespace std; bool tikrinimas(const char *filename) { ifstream failas(filename); return failas; } int main () { tikrinimas("example.txt"); bool failas; if (failas==true) {cout << "good";} … |
| | Hey guys, i been trying to tokenize a string using the boost library. [CODE]int main(){ using namespace std; using namespace boost; string s = "This is, a test"; tokenizer<> tok(s); for(tokenizer<>::iterator beg=tok.begin(); beg!=tok.end();++beg){ cout << *beg << "\n"; } [/CODE] The problem i am facing currently is that i am … |
 | Hey, im trying to create a string like the following in c++ but am unable to find a example in the internet in order to help me as im new to c++ and still trying to learn. [B]XXXXX-XXXXX-XXXXX-XXXXX[/B] [QUOTE][LIST] [*]Custom Length [*]Custom Block Size [/LIST][/QUOTE] if someone would mind how …  |
 | Can anyone help / teach me on how to build shapes, specifically face shapes, in c++? We are assigned to build something like that and Im having a very big trouble abt. it. Any comment will do. Sites, Sample Programs, and just about anything connected to it. The header file … |
| | hello c++ dev team!!! i need lilibit help from you. like i write in my prevois thread i bulding now lab mangement, and tks to you i passt the SQL lavel, (tks lot)!!! so i'am stuck now in the view step, that meen when the seller well open the software … |
| | [CODE]// student.cpp - Script 9.7 #include <iostream> #include <string> // Declare the Person class. class Person { public: Person(std::string theName); void introduce(); protected: std::string name; }; // Declare the Teacher class. // Teacher inherits Person. class Teacher: public Person { public: Teacher(std::string theClass); void teach(); void introduce(); protected: std::string clazz; … |
| | I need to keep my coding skills up to snuff, but I'm having kind of a block. I don't know what to code. Anyone have any idea of some small projects that I can work on? Perhaps ones that would look good if i sent them to companies? Don't ask …  |
| | I commented by the last line. I am trying to print out the string in reverse. [CODE] #include <iostream> using namespace std; void add(string n); int main() { string B ="ABCDEF"; add(B); } void add(string n) { if(n.length() <= 1) { cout<<n[0]<<endl; return; } else { cout<<n[n.length()-1]; add(n[n.length()-1]); //this lines … |
| | When reading books I was thinking that data hiding was to hide the data from the user so somebody who is using a C++ executable is an user and data hiding is implemented to hide the hide the data from the user( somebody who is using the exe file produced …  |
| | The Predator‐Prey game is a simple board game where bugs (predators) and ants (preys) move freely across the board. The following is a description of the game rules: -Predators and preys move on a 2‐dimensional closed grid -Predators and preys are not allowed to move outside the grid -The game … |
| | The compiler only displays a portion of the output and then it exits this is what it compiles: [code] =============================================== Operations on Empty lists: =============================================== Size = -886911509 Length = 0 empty list: Sum of two empty lists: Program received signal: “EXC_BAD_ACCESS”. sharedlibrary apply-load-rules all stringlist(2449) malloc: *** error for …  |
| | I have been working on some code that calculates your BMI and then puts you into a category based on that. every time i try and run this program it either tells me that I am in the underweight class or the average class and I have no idea why … |
 | Hey I am running into a problem with CoCreateInstance() in a program that I am using to try to disable all the network adapters. When I try to use [CODE]hr = CoCreateInstance(CLSID_ConnectionManager, NULL, CLSCTX_LOCAL_SERVER | CLSCTX_NO_CODE_DOWNLOAD, IID_INetConnectionManager, reinterpret_cast<LPVOID *>(&pNetConnectionManager) ); [/CODE] I get two errors. undefined reference to `_IID_INetConnectionManager' undefined … |
| | Hey guys I've been asked to create an array of objects on the heap for my assignment but I cant seem to find any examples that explain it well enough on the web. So what I got is: [CODE]//Heabder File class Wheel{ public: Wheel() : pressure(32) { ptrSize = new … |
| | [code] #include <iostream> #include <vector> #include <algorithm> using namespace std; class A { public : void getData(); void putData(); bool operator==(const A &) const; private : int x; char name[90]; }; vector< A > v; void A :: getData() { cout << "id = "; cin >> x; cout << … |
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| | alright I need help and at this point I am desperate. Been working on this for a couple of days, mostly typing and then hitting the Edit/undo! This is a homework project. What the project is supposed to do is: 1. open a text file(einstein.docx) 2. Prompt user for a … |
| | Well I been studying like a rabid dog foaming at the mouth since I have a higher level language under my belt and my initial failiure at c++ as a first language. Anyway getting near the end of my first little tutorial and have a few more questions. 1. I … |
| | Hey, I've got my code finished but I need a working exe file but I cant find where it is. The only files I have are the source codes and a sql server compact edition database file whatever that is, which I cant open. Anyone know where I can get … |
| | [CODE]// rational.cpp - Script 9.5 #include <iostream> #include <string> // Declare the class. class Rational { public: // Constructor: Rational(int num, int denom); // The overloaded methods that implement // arithmetic functions: Rational operator+(Rational rhs); Rational operator-(Rational rhs); Rational operator*(Rational rhs); Rational operator/(Rational rhs); void print(); private: // normalize() will … |
| | [CODE]// rational.cpp - Script 9.5 #include <iostream> #include <string> // Declare the class. class Rational { public: // Constructor: Rational(int num, int denom); // The overloaded methods that implement // arithmetic functions: Rational operator+(Rational rhs); Rational operator-(Rational rhs); Rational operator*(Rational rhs); Rational operator/(Rational rhs); void print(); private: // normalize() will … |
| | I am working on a program in which everyting is perfect except Unhandled exception at 0x0041180c that I am getting at run-time and the location its specifying at is: [CODE]void candidateType::setVotes(int region, int votes) { votesByRegion[region-1]=votes; }[/CODE] I have checked it numerous times but still not getting it. Any help … |
| | So I have a book on C but have Dev-C++ IDE and was wondering if I could learn C from that book whilst using the Dev-C++ IDE? Many thanks in advance!!  |
| | Hello everyone! I have found a really weird result when I display a 2D texture (with GL_QUAD) on the screen at a different size to what it normally is: E.G when I display a 64x32 image(texture) on the screen at 128x64 and it contains an alpha channel the pixelated borders … |
| | [CODE]void EmployeeSearch() { vector<string> file; string temp; ifstream infile("GROUP.txt"); while( !infile.eof() ) { getline(infile, temp); file.push_back(temp); } // done reading file infile.close(); string item; cout << "Enter an employee number to delete from the file: "; getline(cin, item); for(int i = 0; i < (int)file.size(); ++i) { if(file[i].substr(0, item.length()) == … |
| | Can anyone tel me the implementation of typeid operator and how its returning typeinfo reference....... |
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