51,593 Topics
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| | how do you link functions written in other computer languages with a C/C++ program? this is in a past paper , & i can't find it anywhere? helps |
| | I am working on a Windows application, and I have a Settings Dialog box with 5 text fields. I currently get the values of each text field with: GetDlgItemText(hDlg, IDC_EDIT_SIPADDRESS, sipAccount->sipAddress, 80); GetDlgItemText(hDlg, IDC_EDIT_USERNAME, sipAccount->userName, 80); GetDlgItemText(hDlg, IDC_EDIT_PASSWORD, sipAccount->password, 80); GetDlgItemText(hDlg, IDC_EDIT_HOST, sipAccount->host, 80); GetDlgItemText(hDlg, IDC_EDIT_STUN, stun, 80); And then … |
| | What and how does shared namespace in C++ works? Are most of the variables, types, and procedures can be used in shared name space?  |
| | User is supposed to type an input, and if it's not an integer, the user needs to type another. This repeats 3 times for 3 inputs which go inside an array. The integer checking works, but the problem is that when i display the 3 integers, they are all the …  |
 | not working: // range for for (int (*row)[4] : ia) { for (int col : *row) cout << col << " "; cout << endl; } // error: cannot convert 'int*' to 'int (*)[4]' in initialization. working: // range for for (int (&row)[4] : ia) { for (int col : …  |
| | i don't have a clue what is wrong here.... the program is supposed to add, subtract, multiply and divide two real numbers. #include<stdio.h> float add(float x, float y); float subtract(float x, float y); float multiply(float x, float y); float divide(float x, float y); int main (void) { int choice; float … |
| | So I'm using the >> operator to read objects from a file one by one. I am simultaneously counting the objects and need to read them again one by one to print from a certain point. inFile.clear(); inFile.seekg( 0, ios::beg); Doesn't seem to work for me, and I assume it … |
| | Hi, I'm having some trouble with my code that convert binary to decimal using recursion. this is my code #include <cstdlib> #include <iostream> using namespace std; void binaryToDecimal( int binaryNumber, int decimal, int weight ); int main(int argc, char *argv[]) { // binary to decimal int decimalNum; int bitWeight; int … |
| | I have this weird problem. If my constructor is [header] class Book { private: vector<string>Entry; public: Book(); [cpp] Book::Book(){ Entry.push_back("0"); Entry.push_back("1"); Entry.push_back("2"); The weird thing is that it does not update when I do more .push_back. I use: void Book::addItem(vector<string>newItem) { for(int f=0; f<Entry.size(); f++) { Entry.push_back(newItem[f]); cout<<Entry[f]; } } …  |
 | Hi, everyone! When I'm building my project on Visual Studio 2008 that uses Xerces, I have the following linker errors: [CODE=text] 2>XmlPersistingService.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: static void __cdecl xercesc_2_8::XMLPlatformUtils::Initialize(char const * const,char const * const,class xercesc_2_8::PanicHandler * const,class xercesc_2_8::MemoryManager * const,bool)" (__imp_?Initialize@XMLPlatformUtils@xercesc_2_8@@SAXQEBD0QEAVPanicHandler@2@QEAVMemoryManager@2@_N@Z) referenced in function … |
 | Hello all, I have not tested the code I'm posting here to see if it compiles, but I have an issue in a large codebase and I believe that this should be the simplest program to demonstrate the issue; class base { public: shared_ptr<base> clone()=0; }; typedef shared_ptr<base> baseptr; class … |
| | I know you are suppose to use GetPrivateProfileString(); But I dont know what the arguments for the commad is.  |
| | Please bear with me. This is my first post. For some reason, I can only display the strings if I put the cout in the same loop. But since I have to separate addString() and displayAllStrings(), I can't do that. My displayAllStrings() keeps failing. BUT when I write a separate …  |
| | I am trying to populate a vector of strings and then remove any duplicates within that vector. Here is what I have so far. I am getting an error saying: Error 2 error C2064: term does not evaluate to a function taking 2 arguments . void removeDup() { vector <string> … |
| | Hey guys, I need a function that reads a text file and stores the character someway, (I am assuming a 2D Array would be best?) then a function that reads through the characters and if the char is something specific (like "X") then it would draw a square (QUAD) 10wx10h … |
| | I am trying to get my homework assignment to work for class, but I cant seem to get it. Heres the assignment. [QUOTE]Write a program that asks the user to guess the next roll of a six sided die. Each guess costs $ 1. If they guess correctly, they get …  |
| | Looking for an assist to modify this program based on the following info: Using two temporary linked list iterators and three for-loops modify a linked list with a perfectShuffle (); function (only modify the TODO line of code).. Here is the driver code: #include <iostream> #include <stdio.h> #include "linkedList.h" using … |
| | I am working with sql server using ADO provider. My code uses recordsets and commands to run quries and I fail to understand a basic issue - connections. In my code, they set a connection string (which is being built in the code, not taken from other ADO element) to … |
| | Hi everyone! So I have this code to modify. I need to write a code inside the **int main** field, that would cause 37 launches of the constructor called M_48(). I have no idea how to solve this. Any ideas? |
 | After playing for 5 or more times the total scores are going out or range (In the table generated at the end). I tried using long but didnt helped. #include<conio.h> #include<iostream> #include<stdlib.h> #include<string> #include<windows.h> #include<time.h> using namespace std; unsigned flag=0, ply_m,ply_t,ply_s,zz,i; //funct for gotoxy void gotoxy(int x, int y) { … |
| | I accidentally closed my Toolbox in VC++ IDE.. now I donno how to bring it back. Please help... |
| | i would like help making a little piece of code that just counts down from a number, example 30 to 0. the program shouldnt display the previous numbers counted. thats it, any hel-p would be great.  |
| | Hey everyone I was working on a small tool and also refreshing my programming skills. my problem is I want to pick a random number from 60,000 to 200,000. it does that but the number it displays are not dramaticly changed. For example if it out puts 062045, i hit … |
| | I'm setting up a finite state machine structure as a proof of concept to be used in other projects. The states have function pointers that point to actions they are allowed to perform during certain events and transitions. I'm trying to restrict these pointers to be a part of a … |
| | i want to create a warehouse program for school using the random access file management. i built a class called product(prodotto) with many private var and i must create a new record. The function checks if the product already exists with the seekg pointer and reading the file. After u … |
| | My problem I am having is when I use execl, it close my main program. I want the program I create can open other programs or create other actions with linux. I am looking to help getting on the right path. Should I be using execl? Why does it close … |
| | Hello i'd like to ask a quick one. -Mfc VC++ 6 application. -NO Unicode support by design. -Greek characters appear fine in all dialogs since OS is Windows Greek version (?) -Greek text is both hard coded in c++ source files and retrieved from mysql database. -ONE specific Edit Box … |
| | Hello, I have a datagridview, connected to my database using Nhibernate and my question is how can I exit the Select Mode after I update? Cause at the moment after I click update and it updates, the edit mode is still on, I would wanna turn it off when I … |
| | Hi guys. I was wondering how Cnet Downloader, and ninite.com works. Is there a backend server which compiles the exe file before every download? Is there any other way to modify something in an .exe file without recompiling? Thanks. |
| | typedef double (*sizefn_t) (double *); sizefn_t sizefn = userSizeFace; Dear friends: Could you pleaset tell me what is the meaning of the code, what does sizefn_t represent. what is the meaning typedef. |
| | Hi All, Can any one tell me the what are the differences between WinSock and WinInet in mfc? Thanks in advance....... |
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| | Dear friends: I download a c packge for my computation work. there is a function " aft2boundar(int *, double *)" in it. i write a "main.cpp" with vs2010, when i compile, it gives me the following error unresolved external symbol "int __cdecl aft2dboundary(int *, double*) but i have include the … |
| | I have this code in C++ but I dont know ho to do it in C. Any Help? Code #1: #include <vector> // for vector #include <sstream> // for stringstream #include <iostream> #include <string> int main() { std::stringstring ss; std::string input, temp; std::vector<string>; comand; std::cout << ": "; std::getline(cin, input); … |
| | Has anyone found any compilers to work with windows 8 besides Microsoft studio? I have tried downloading Dev C++ and code::blocks but keep getting build errors? I have used both of those compilers on window 7 for multiple programming purposes |
 | I was just thinking of trying to create a simple tcp client server for simple comunication. In my head it was all about typing in a window and my friend sees what I type and then responds. Then as my mind wondered, i thought about making the communication via voice. … |
| | the book is title a guide to c++ progtraming by Tim Corica Write a program that accepts a two digit number and displays the digits each on a single line. The program output should looke similar to : Enter a two digitnumber :27 The frst digit is 2 The second … |
| | Hi there, I am using code blocks and working on bank account programe. I have three classes but just included main function code. My programe works all fine, in which user create account and then deposite initial balance **but before end of do while loop, there is getline function to … |
| | Hi, I had previously posted many question on SSID and have been solved successfully with your help. Once again the question is related with SSID. When i have my wireless router attached to PC, i can see the router name . Is there anyway to stop broadcasting the SSID name … |
| | Dear Experts, I am developing an automation tool(C++) for which I need to write program to Click,Doubleclick on the Listview item. As you know selecting/clicking an item in Listbox is very easy, I want to know about listview. (Win32/C++).Kindly help.  |
 | Windows 7 64 bit. Toolhelp32ReadProcessMemory http://msdn.microsoft.com/en-us/library/windows/desktop/ms686826(v=vs.85).aspx Am I wrong to assume this can be used to read ALL memory used by a process, including the memory used to store the image, PID, stack, heap, and everything? Also, what is meant by the "base address" ? This seems to work for … |
| | http://en.wikipedia.org/wiki/Transposition_cipher#Columnar_transposition This is wiki site of what am trying to do #include <iostream> #include <cstring> #include <cmath> using namespace std; char GRID[3][80]; int MENU(int menu_choice); int REVIEW_OF_GRIDS_FIRST_79_CHARACTERS(int four); int main() { cout << " This is RAIL FENCE CIPHER\n" << endl; //----------------------------------------------------------------------------------------------------- //filing GRID with asterisks(*) char asterisk='*'; int k=-1; … |
| | We have a simple query and insert using C code linking to mysql db. The issue now on itself the script works fine. But when we put to run as a cron job the select query gives empty results and when we run back on the db there is results. … |
 | Hello I am trying to write a multiplication table into a function but am not getting the result i want ive been looking at it for about 3 hours now and cant figure what is going on im not getting errors it runs fine but isnt givig me a neat … |
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| | // hi-low guesser #include <iostream> #include <string> using namespace std; const int NUMBER_OF_GUESSES = 5; int main() { string firstName; int computerGuess; int numGuesses = 5; char answer; int min; int max; cout << "please think of a number between 1 and 100, and I will try to." << endl; … |
| | can someone help me with a code for a cinema program in C++ using linke lists? i tried this but there just too much errors.urgent,pliz... #include<iostream> /*#include<stdio.h>*/ #include <stdlib.h> #include<string.h> using namespace std; typedef struct{ char name[30]; char booking_ID[3]; int seats; }seat; //xxxx typedef struct{ int t[20][50]; struct bloc *&suiv; … |
| | #include<iostream.h> #include<fstream.h>//header file #include<string> #include<stdlib.h> void main() { fstream pasca; pasca.open("C:evaluate.dat",ios::out); fstream display; paparan.open("C:evaluate.dat",ios::in); int lecturer_code; int course_code; char gred1, gred2, gred3, gred4, gred5; float point1, point2, point3, point4, point5; float total_point1, total_point2, total_point3, total_point4, total_point5; char user; if(!pasca || !display) { cout<<"File cannot open"; exit(1); } cout<<"Enter Lecturer code … |
 | AFter asking for name, it doesn't ask for other things, just gets to the end where it says "game has been developed by.." Kindly guide me what i am doing wrong. i am a beginner, trying to learn. Thank you! Here is my code: #include<iostream> #include<conio.h> #include<stdlib.h> #include<stdio.h> #include<time.h> using … |
| | Inside FileTwo.h #ifndef FILETWO #define FILETWO #include"FileOne.h" class FileOne ; class FileTwo { public: int Test(FileOne One){ return (One.var1+One.var2);} FileTwo(void); ~FileTwo(void); }; #endif Inside FileOne.h #ifndef FILEONE #define FILEONE #include"FileTwo.h" class FileTwo ; class FileOne { private: int var1 , var2 , var3 ; public : friend int FileTwo::Test(FileOne One); … |
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