49,764 Topics
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| | am writing a program that will count the votes for those whom are agree and desagreed, so i would have Yes and no, now i have to have a file in wordpad, in other to import the information that was saved, to make the program to run, but i have …  |
| | This is code for the algebraic slope formula (y2 - y1) / (x2 - x1). I need help. My error is: Uninitialized variable formula2 is being used without being initialized. Can anyone help me??? [CODE]#include <iostream> #include <string> #include <cmath> #include <algorithm> using namespace std; int main() { int formula1[2]; …  |
| | Hi, This is my first post here at DaniWeb. I've been using it as a resource through out my assignments. I am truly eager to learn C++, but I've gotten stuck. All I am trying to do is average an array of numbers, but I haven't been able to even … |
 | hello friends, I am doing a bank management system project where I have to conect a database done in MS Access(.mdb extension) to the C++ code...I ve never learnt much about databases and this is the first time I m using Access...so I d be grateful if anyone could explain …  |
| | Hi guys, Lets say I create a class pointer in my program, do I need to delete the pointer I created before I close the program? Or will the pointer be deleted automatically whenever I exit the program? Will it cause the PC memory to be locked up if I … |
| | [CODE]#include "stdafx.h" #include <iostream> using namespace std; int _tmain(int argc, _TCHAR* argv[]) { char ch; do{ cout<<"press Q or q to quit,press any key to continue : "; cin.get(ch); cin.ignore(); if(ch!='Q'&&ch!='q') cout<<" you want to continue?\n"; else cout<<"you press q to quit "; }while(ch!='Q'&&ch!='q'); ; system("pause>NULL"); return 0; }[/CODE] my … |
| | Actually i am doing project in MFC. There i need to get the menu string in the right click context menu .please help me.. I am waiting .. thank you. |
 | I am extremely confused about libraries and have been having trouble understanding them with google. Basically I want to create a library so that I can use a bunch of functions from another file without all of the libraries' contents being seen. EG: library code: [CODE]class test { private: int … |
| | i made a header file with my function declarations and the cpp file with the definitions. While making the definitions in the .cpp file i included the header and from the highlighted text the definitions seemed to match declarations in the header. In the header the the declarations were able … |
| | [url]https://docs.google.com/viewer?a=v&pid=explorer&chrome=true&srcid=0B3GcG6SeWKK_YzE1NDNmY2MtNTY0Ny00NTVhLTg1M2EtNDc5YzRmOGEzMjA0&hl=en_US[/url] I am completely stuck on this assignment I'm not sure what I should be getting. Can anybody take a look at my code and please help me. I need to complete this assignment asap. thanks Direction: Design, implement, and test a class that represents a phone number. The number … |
| | I know how to use the compare functions to check if a string is exactly the same as another but I wasn't sure if there is an easy way to go about checking if a string contains any sequence of A through F. Can I add up the memory values … |
| | ok. so i'm having trouble with the Windows API. i'm just learing how to use it, so i don't know much about it. anyways, i just wanted to create a window and have it displayed then catch the exit message and close, but VC Compiler is throwing errors. 1>c:\users\furrix\documents\visual studio … |
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| | Okay so someone may have already posted something like this but my assignment is due in like 4 hours and don't have time. So here is the problem and my code. My problem that I am having is that it only works for single words. Not whole sentences. I need … |
| | Is there a way to make a class visible only from within another class. i.e: [CODE]class myclass { private: class anotherclass { //stuff that only can be used from within a myclass function void dosomething(); float dosomethingelse(); }*anotherclasses; int numanotherclasses; public: int createanotherclass();//creates anotherclass object, puts it in the array …  |
| | I have a quick question, I have to read in data from a file that has names and grades in it, I must take the names and store them in a string array and the grades and store them in a 2-d array. Any pointers on how to determine what … |
| | I am working on creating a linked list to connect the previous value number (or string) to another value I asked this question before I am just guessing I did it completely wrong since no one responded. So what would be the best way to start the function. I need …  |
| | I have a program that relies on file timestamps that works fine in XP but fails in Windows 7. I ran the following test in Windows 7: Create go.bat to look at all 3 file timestamps: [CODE]@echo off dir /tc test* | find "test" dir /tw test* | find "test" … |
| | Hello again! I was given an assignment the other day in C++ and I was suppose to use the counter and add a sentinel so the program knew when to stop. Instructors directions: "The file for this assignment reads a sequence of positive integers from a file (2 3 5 … |
| | C/C++ have Datagridview-Listview-Calend and all those controls? i think c/c++ have only simple controls like msgbox/textbox/&button i have spend lot of hours to find something for win32 but nothing... exist smthing or i must draw byself :-s thats crazy...  |
| | [CODE]//I make program of infix to post fix xpression plz tell me waht wrong with my code //some it true result for arthematic opertaors b,w two oprend but with more then it does //not provide valid output plxxxxxxxxxxxx help me #include<iostream.h> #include<conio.h> #include<stdlib.h> #include<string.h> int presidence( ); void infixToPostfix(char *); … |
 | Ok, I have been trying to work this thing for a week. It is a program that is supposed to read from 2 files (.dat) and write to a third file (.dat) then update one of the first files. i.e. read oldmast.dat read trans.dat compare data write data and changes … |
| | [CODE]#include<iostream> #include<cmath> using namespace std; void getChoice(int& choice); void getInput1(double& foot, double& inche); void getInput2(double& meter, double& cm); void convert1(double foot, double inche, double& meter, double& cm); void convert2(double& foot, double& inche, double meter, double cm); void showResult1(double foot, double inche, double meter, double cm); void showResult2(double foot, double inche, … |
| | C++Syntax[CODE]#include "stdafx.h" #include<iostream> #include<cstdlib> #include<ctime> using namespace std; int main() { srand(time(0)); int arr[10]={0}; for(int i=0;i<10;i++) { arr[i]=rand()%50+1;} for(int i=0;i<10;i++){ cout<<arr[i]<<endl; } return 0; }[/CODE] I want to use the * to display the output, what I should improve? |
| | Hello I need to create a graphic simulator for MIPS CPU, something that will show the structure of the CPU, and when getting a text file with MIPS code- it will show how does each command executed through all the CPU parts. However, i have never worked with grpahics, i … |
| | Hi, I have two classes in two separate .cpp files. I obtain a string using cin and then I need to use this string in a method in a separate class. If that makes sense.. [CODE]class HomePage{ static void HsubmitChangeDutyRequests(string) { Duties::submitChangeDutyRequests(string);} }[/CODE] [CODE]class Duties{ static void submitChangeDutyRequests(string); }[/CODE] This … |
 | C++ was once the King of programming. It would crush any competitor! But, now it seems that C++ is getting less popular. New programmers are rushing to easier to learn, higher level, programming languages (e.g. Java). And with Microsoft coming out with C# which is gaining popularity (even though it …  |
| | Because references always “point” to valid objects, and can never be pointed to deallocated memory, references are safer to use than pointers. Can anyone give an example of this? this doesnt make sense. couldn't you just do [CODE]int& function() { int variable = 3; return variable&; }[/CODE] looks deallocated to … |
| | Hi, im new here, and i want to ask about "how to make a compiler". I'm a Computer Science and part of my subject wants me to create a compiler, and I had no idea of how to create one. Can anyone help me..... |
| | It seems like when invoking a function explicitly, it should be compiled at compile-time with a specific variable type, but I am not sure how implicit function invokation works. I don`t think compiler will create a different function for evey datatype available (since there can be many different data-types in … |
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