49,765 Topics
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| | Ive been trying to code a GUI application in qt but im having trouble trying to get a button work. homewindow.h: [CODE]#ifndef HOMEWINDOW_H #define HOMEWINDOW_H #include <QWidget> class homeWindow : public QWidget { Q_OBJECT public: homeWindow(); ~homeWindow(); void init(); private slots: int when(); private: QWidget *aWidget; }; #endif // HOMEWINDOW_H[/CODE] …  |
| | i am new to linux ,i am using eclipse IDE for my developing ,by means i only creating tar,or tra.gz,i need the rpm packages, if any tools is available for creating rpm packages in linux.  |
| | Requesting help with my homework problem. error: conversion from 'std::string*' to non-scalar type 'std::string' requested The lines with the error are under the comments. Thanks. [CODE] #include <QtCore/QCoreApplication> #include <iostream> #include <cstdlib> #include <string> using namespace std; typedef string* stringPtr; string* addEntry(string *dynamicArray, int &size, string newEntry); string* deleteEntry(string *dynamicArray, … |
| | When I move my gtk window it freezes, it runs a timeout and I believe this may be the problem. May anyone provide further explanation on this subject? |
| | I'm writing a program that rolls a die a number of times that the user enters, and counts up each time a one, two, three, and so on is rolled. Right now, it only prints out zero's. Any guidance would be appreciated! Here's my code: [CODE] // dice.cpp : Defines …  |
| | Why does it load my DLL but the pointer to the Proc returns 0? It loads the DLL and says "DLL Loaded" but it just won't say "Function Found." Help me please :)? [CODE] #include <windows.h> #include <iostream> //DLL Function: void DLL_EXPORT Theading(HANDLE hThread, DWORD ThreadID, void* FunctionToPass); typedef void … |
| | Hello everyone! I am currently working on creating a Poker Simulation using the language C++. However, I am having issues with my swap function and also creating the conditions, such as declaring a Flush or Pair. Here is the code I have so far, and if you can assist me … |
| | Hello people, I've got a 2-d array, the first row has a string in each position, the second has a number in each position returned by a function that run on the strings.I run the mutatedstring function, run the matchmutated and put the values into the array, offspring times. Then … |
| | Hey all, I'm trying to make a DLL that can be used in Pascal to enable multi-threading. I've decided I want to export Threads in C++ to a DLL. Before I make DLL's I usually write the program first to test everything then I convert it to a DLL. [CODE] … |
| | [CODE]#include<iostream.h> #include<conio.h> void main() { clrscr(); int A[20][2],n,sum; cout<<"\n\tEnter the no. of terms: "; cin>>n; cout<<"\n\tEnter "<<2*n<<" numbers to the "<<n<<"*2 array: "; for(int i=0;i<2;i++) { for(int j=0;j<n;j++) cin>>A[i][j]; } cout<<"\n\n\tThe Array you entered is: "; for(i=0;i<2;i++) { cout<<"\n"; { for(int j=0;j<n;j++) cout<<A[i][j]<<" "; } } for(i=0;i<2;i++) { sum=0; for(int …  |
| | Hi, Is it possible to take the input from a textbox that's in chinese (unicode) and convert it into hex to output to a text file? Any insight would be great, thanks!  |
| | Hey guys, I am trying to learn single linked lists and at first I was having some trouble but now my code works perfectly. At first my program would crash, and when I tried to debug it, it would always crash where ever I had a 'delete' operator within the … |
 | Please i want to end a program in a function outside function main. also want to end executing a function of type void without allowing it to end but don't know how. please help me out. |
| | I'm trying to get some developer tools for my Macintosh Mini running on Power PC. It's OS is Mac OS X Leopard. I've tried getting Xcode but I can't find any downloads for it that don't require the developer programs at Apple's website. If anyone has any ideas or any … |
| | hi all i am trying to make a pause in a 2d game on C++ im going to use a message box with answers yes and no..yes to continue and no for main menue. how do i make unsighned short w = the answer to textbox? ps i tried using … |
 | Good day. Every time i launch the eclipse ide, i get the missing VC++ 2008 runtime redistributable package is not found but i have the runtime installed on my system. i have the visual studio 2008 and 2010 ide installed on my system. Anyway to get eclipse to find this … |
| | [CODE]#include "Sorts.h" Sorts::Sorts(void) { } Sorts::~Sorts(void) { } void Sorts::insert() { ofstream myfile; myfile.open ("InsertSorted.txt"); starttime=(long)time(NULL); int A[ELEMENTS]={5,2,4,6,1,3}; insertsort(A,ELEMENTS); cout<<endl<<"Sorted list "<<endl; for(x=0;x<ELEMENTS;x++) { cout<<A[x]; } endtime=(long)time(NULL); totalseconds=endtime-starttime; minutes=totalseconds/60; seconds=totalseconds%60; cout<<"\nStart time: "<<starttime; cout<<"\nEnd Time: "<<endtime; cout<<"\nElapsed Time: "<<minutes<<" min, "<<seconds<<" seconds"<<endl;"\n\n"; } void Sorts::insertsort(int A[],int length) { for(int j=1;j<length;j++) … |
| | guys I've been trying to write this lab for my comp sci class for three days now. i've got to the point where it compiles but when I try to run it a table pops up that's says there's an error somewhere in the program that causes it to abort. … |
| | Hi, I used C# and VS2010 for doing my projects. Some how, now I should write a program in C++ with database and GUI. The program's language is Persian, So Button's text and data in database should be in Persian. Please Guide me in this case. how to use Unicode … |
| | [CODE]#include <iostream> #include <ctime> #include <cstdlib> #include <string> using namespace std; int getCardPoints(int value, int & aceValue) { if ((value >= 2) && (value <= 10)) { return (value); } else if (value == 1) { aceValue = 10; // 11 -1 return 1; // Already contain 1 for the … |
| | Hello I already posted this on [URL="http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=306688"]opengl.org[/URL], but nobody seems to have a solution. Basically I set up Opengl and when I want to draw 3D or say I want to use the z-axis by translating in this dimension, it doesn't have any effect. What I can do, is moving … |
| | Hi! I am writing programm that will determine what number is drawn in bmp image (there is only one digit number in image). So, I am trying realize it the following way: 1. read image pixel by pixel 2. create a two dimentional array of pixel values 3. if color … |
| | Hi everyone, I just finished to implement my first "serious" C++ program on my laptop. When I compile it (on my laptop and some other machine), it is working without the least problem. [CODE]g++ -g -pthread -std=c++0x compute_gsea_thread_global_map_opt_results.cpp -o compute_gsea.out[/CODE] When I try to compile it on one of the … |
| | Hello everyone, I am passionate about programming have started learning C++ and finished studying one book about it. I am done with the basics like pointers, arrays, variables, objects etc. What I need now is some way to go on from here and learn how professional programs are made and … |
| | I wanted to delete data from my original text file "PHONE.txt" while my temp text file is "newPHONE.txt"..but after i do deletion the text only remove at temp file but not in original file..any kind soul can help me? Thanks! [CODE] else if(userInput == "Delete"||userInput == "delete") { string line; …  |
 | I have a function that takes a reference to an interface class as a parameter. I have created a derived class from the interface class, but when I try to call the function with an instance of my derived class as an argument I get a compiler error saying "error: … |
| | Hi, I am new for C++ Program.I created a Exe using VC++.error message will occur when i run that exe(Ctrl+F5).The following error message will occur when exe run. [B]The thread 0x6CC has exited with code 0 (0x0). The thread 0xB10 has exited with code -1073741819 (0xC0000005). no matching symbolic information …  |
| | I'm working on a formula calculator. In it, I've designated user controls (it's in a console). The script keeps track of the user inputs by assigning all user inputs concerning navigation into a string labeled 'ans'. However, I can't seem to get the 'if' and 'else' function to work with … |
| | Hello, I'm having a problem with finding and printing an element in a vector. I want to search my vector to see if an element starts with a sub-string, and if it does, I want to write the whole string to a file. The first part is done, I just … |
| | Is there anyway we can clear only a selected part of the console window? clrscr() from conio.h & system("CLS") clears the whole screen. So how to clear screen selectively? For example, one of my old code prints this, [ICODE]Enter the limit for the array size (Max: 20) 10 Enter the … |
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