49,765 Topics
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| | Hi I have some code that is supposed to take an array of booleans and for each `(int minBits = 10)` bits turn the binary number into decimal. The algorithm is working in part, but the bit at `binArr[64]` where when is somehow changing in between when I print the … |
| | so, iwe been messíng arround with C++ for about 4 days now and here is my first real print all squarenumbers (it will break at a point) : [code]#include <iostream> #include <windows.h> //---------------------------- using namespace std; //---------------------------- int main () { string numbers="1"; bool on = true; do { cout … |
| | Hi everyone, I have a modal dialog box which is called by the main thread. This dialog has no parent (appears at center screen, overlapped, and shown in taskbar). When the user clicks "Save" in the dialog, the dialog procedure receives the command and displays a save file dialog (GetSaveFileName). … |
| | [code] #include <iostream> #include <windows.h> //---------------------------- using namespace std; //---------------------------- int main () { long int numbers=1; bool on = true; while (on==true) do { cout << numbers*4; numbers = numbers+1; Sleep(500); } }//--breaks here [/code] how come the loop not work? |
| | Now im getting Declaration Syntax Error on line 155. Please help need urgent . [code] #include <stdio.h> #include <conio.h> #include<process.h> #include<dos.h> void graph(); void foo(){ int a,b; clrscr(); gotoxy(27,12);textcolor(12);cprintf(" "); gotoxy(40,14);textcolor(12);cprintf(" "); gotoxy(29,16);textcolor(12);cprintf(" "); for(a=1;a<=72;a++){ gotoxy(5+a,2);printf("Í"); gotoxy(5+a,23);printf("Í"); } for(b=1;b<=20;b++){ gotoxy(5,2+b);printf("º"); gotoxy(78,2+b);printf("º"); } for(int s=1; s<=3;s++){ gotoxy(41,2+s);printf("º"); } for(int o=1;o<=72;o++){ gotoxy(5+o,5);printf("Í"); …  |
| | Hi, I'm just starting to practice with c++ and I'd like to know if there is a good way to handle the errors/exception. I write this program to check the modification time of a file. Thanks [CODE]int filewatcher::watch() { struct stat filestatus; stat(this->_filename, &filestatus); if((filestatus.st_mode & S_IFMT) == S_IFREG) { …  |
| | Hi, I don't understand why I failed to insert vectors as an input of a function. I wrote : void fun( std::vector<double> do, int &count ){ ... } but it doesn't compile...  |
| | I need to put this one in my case 5 [code]#include<stdio.h> #include<conio.h> #include<process.h> float rate,day,gp,netpay,totald,sss,med,love;int age; float basic,cola,tax;char employee[20],addr[30],sex[10],bday[8]; void main(){ clrscr(); char choice; gotoxy(20,2);textcolor(4);cprintf("Payroll System"); gotoxy(20,4);textcolor(5);cprintf("Select Choices:"); gotoxy(18,6);textcolor(7);cprintf("[1] Add Customer Info"); gotoxy(18,7);textcolor(7);cprintf("[2] Compute Payroll"); gotoxy(18,8);textcolor(7);cprintf("[3] Display Information"); gotoxy(18,9);textcolor(7);cprintf("[4] Exit"); gotoxy(18,10);textcolor(7);cprintf("Enter Choice:"); scanf("%d",&choice); switch (choice){ case 1:printf("Employee Information\n\n"); printf("Enter Employee … |
| | Hi guys, I know that there might already be a tread about reading from file but this has a certain hurdle to jump... I have to read in a 1000 word document into something that will make a list of unique words and how many times they appear. Thats not … |
| | Hi All.. I want to generate a dialog bar or panel inside a window, for that i have seen a sample code somewhere (implemented on VC++ 6.0).. Now i am trying to use that code in visual studio 2008 but an assertion failed error is being occured..while i am using … |
| | [CODE]#include <iostream> using namespace std; class BigNum { private : int biggest; void determineBiggest ( int num) { if (num > biggest) biggest = num ; } public : BigNum () { biggest = 0 ; bool examineNum(int); int getBiggest() { return biggest; } }; bool BigNum::examineNum(int n) { bool …  |
| | I know that an array matrix would have been better but Im taking a freshman course so coulnt use it. 1- Tic tac toe grid is defined from locations 1 to 9 2- For loop executes 9 times for 9 turns 3- A functions takes all 9 locations as argument … |
| | Iv always had trouble with templates and I always get the same error message "Error: Templates can only declare classes or functions." program is a template linked list class and I'm using the sun studio 12 C++ compiler linkedList.h file: [CODE]#include "nodeType.h" using namespace std; template <class Storeable> class LinkedList … |
| | Hi, I know that this topic was discussed previously but those previous threads didn't answer to my question which is: How to change color of this text: [code=c++] cout << "Some text" << endl; [/code] when I'm outside of main, i.e. in file with my class and in one of … |
| | I have a program where i have to use partial array intialization to read data from a file and place it into an array...there is no example of this in my class book and i'm confused! |
| | how to make something like this work? if (KeysPressed="K"); |
| | a program that parks in C++,takes the detail of passengers,driver,the car store in the link list class a pass,class acar,class aparkinglot  |
| | We have seen websites using Flash, very cool Menus, slides and much more. How to do this in C++. I am making a Contact Book. I want to create eye chating cool look GUI for it's front end. I have made a class named ContactManager this class get contact information … |
| | Anyone got any pointers on the interpretation of REG_BINARY data such as the ascii strings that are stored as binary values in HKEY_CURRENT_USER "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Explorer\\RecentDocs\\folder"; I have long mastered most of the Win32 Registry functions but never really had the need to delve into the murky depths of binary. I guess … |
| | I am trying to find the sum of integers ( (int)(a*i)/b ) where i is from 0 to 10^10. The problem is a/b >=1 and can be a fraction also and a and b are constant If it wasnt a fraction then it was really easy i*(i+1)/2 * a/b Any …  |
 | Can someone explain what am I doing wrong? I get "vector subscript out of range" error. Here is the sample ... [CODE=cplusplus] #include <vector> using std::vector; struct CUBE { int number; bool changed; }; int _tmain(int argc, _TCHAR* argv[]) { vector<CUBE *> cube; for (int i = 0; i < … |
| | I had written a program [code] #include <fstream.h> void main() { fstream f; f.open("test.txt",ios::app|ios::in|ios::binary); cout<<f.tellg(); f.close(); } [/code] My file test.txt already contains text : " hello " i.e. 5 characters But when i try this it outputs only 0 but ios::app mode places the pointer at the end of … |
| | [B]#Off topic[/B] When I was logging in, I have noticed 600,00x members registered on this forum. Congrats on the 600k! ;) Hello. My console game is going pretty well, even though I don’t have much spare time to expand it. I have some ideas I would like to add, but … |
| | Hello I am making a function that takes in a date (dd/mm/yy) & returns what week number of the year the date occurs on. For eg; If I enter: 01/01/09 then the week number of that year will be 1 If I enter: 04/09/09 then the week number of that … |
| | hello this is prashant. well i need to find some helping materials online on WTL coz even microsoft site isnt having any sort of documentation in this.also can someone give me few examples in this as to how to create a dialog boxes & few other stuff.thanks in advance. |
| | Hey everyone, I'm just now learning c++ and was wondering if there was a way to loop this program so that I don't have to copy and paste it. I got it to work, but I was just curious if there was another way to do it. it just does … |
| | ok...i'm having trouble changing a value in a array into a character [CODE] void gameon(int **game,int &size,int &x,int &y,int &score1,int &score2) { int i,j,num1,num2; cout<<"Please enter a number from the selected row/column -->"; cin>>num1; for(j=0;j<size;j++) { if(num1==game[x][j]) { cout<<"Number found"<<endl; game[x][j]=='X'; score1=score1+num1; y=j; } } display(game,size,score1,score2); } [/CODE] i can't … |
 | Hi, i'm using c++ with SDL, SDL image libraries, i trying build a small example, i got this error in linking when i build every project: ------ Build started: Project: 00000, Configuration: Debug Win32 ------ Linking... MSVCRTD.lib(crtexew.obj) : error LNK2019: unresolved external symbol _WinMain@16 referenced in function ___tmainCRTStartup C:\Users\iammfa\Documents\Visual Studio … |
| | [code]void inputGrid(string inputI, unsigned __int64 &i,int t) { do { t=1; getline(cin,inputI); i=atol(inputI.c_str()); if(i<=1) { cout<<"Please key in only the number that suitable for the grid."<<endl; t=0; } } while(!t); } [/code] //this is the function i used to solve the problem when i key in char //to an integer...but … |
| | I have a situation where I have to scan some FTP Servers every 5 seconds to check for some specific files and download them if they exist. I use a Shell script to do FTP download operation and call it using C++ system call in a separate thread. (I am … |
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