49,766 Topics
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| | Hi, I am writing a simple program to read and write a serial port. I only have access to one serial port on my pc so I am using a HugePine RS-232 to USB convertor. The driver is installed and windows recognizes it is attached. My question is what comm … |
 | Hello Well I have this coding and I thought I set it up ok to catch this simple exception, but as of right now, the program continues to run after the exception happens and its not even catching it. where did I go wrong. Thank you all Your rookie programmer … |
| | Hi, My below code compiles and builds ok but it behaves a bit unexpected. Please see my comment where I am having the problem. Any advice will be highly appreciated. [code] while(count<9) { system("cls"); printf("\n\n\n"); printf("\t\t\t PURCHASE ORDER SYSTEM \n\n\n\n\n\n\n\n\n\n\n"); printf("\t\t\t\t INPUT NEW ORDER DETAILS MENU\n\n\n\n\n\n"); printf("PLEASE SELECT ONE OF … |
| | Hello all, I am working on a program that takes input from a file, removes extra white spaces and outputs the edited text to another file. So far my program deletes 1 whitespace whether the whitespace should be deleted or not. I have read about peek() and putback(). I am … |
| | I have just started today. I put the following code into DEV-C++: [code=cplusplus] #include <iostream> int main() { std::cout << "Enter two numbers:" << std::endl; int v1, v2; std::cin >> v1 >> v2; std::cout << "The sum of " << v1 << " and " << v2 << " is … |
| | [B]Background:[/B] I am developing a library for an existing (network) protocol that frequently changes. I want to develop the library to be compatible with the current protocol and support future changes, while maintaining backwards compatibility. Right now, my concern is about the protocol model. I'm trying to find the best …  |
| | I want to compile a Visual C++ project made by another person and then the following error appears: LINK : fatal error LNK1104: cannot open file "uafxcw.lib" What may be the cause of this problem and any suggestions on solving it? Thanks. Jov Edit/Delete Message  |
| | Hello Frnds, I m configuring msxml in my VC++ but it s giving some errors like Error 13 fatal error LNK1169: one or more multiply defined symbols found D:\Major_project\practice\validate\Debug\validate.dll Error 11 error LNK2005: "public: virtual __thiscall _com_error::~_com_error(void)" (??1_com_error@@UAE@XZ) already defined in stdafx.obj comsuppwd.lib Error 12 error LNK2005: "public: static long … |
| | How can in the output, I want ONLY ONE LINE from 1 to 99, the windows is not enough.. myvector contains: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 …  |
| | How to correct it? ompiling... 27.cpp C:\Documents and Settings\ashida\My Documents\MASTER C++\main\27.cpp(21) : error C2065: 'aTable' : undeclared identifier C:\Documents and Settings\ashida\My Documents\MASTER C++\main\27.cpp(21) : error C2109: subscript requires array or pointer type C:\Documents and Settings\ashida\My Documents\MASTER C++\main\27.cpp(21) : error C2228: left of '.size' must have class/struct/union type C:\Documents and Settings\ashida\My … |
 | Hello all, yes yet again an Assignment problem I need help with haha ;) Anyways this time my code is correct, I think, but I am getting hung up on an ifstream issue. Here is the code: [CODE] ifstream infile; ofstream outfile; infile.open("C:\Users\***\Desktop\School\chapter5.txt"); if (!infile) { cout << "Cannot open … |
 | Can C++ draw a table for matrix? or I must draw a line like this? __________________________ __________________________ _________________________ _________________________  |
| | Hey guys, I was doing my reading last night and was trying to come up with a program other than the practice assignments. It has been hard remembering all the keywords when they are given to you in the practice assignment. I came up with one and kinda got myself … |
| | I have an assignment dealing with polynomials and adding two of them together. Am using vectors to approach this and i have one vector assigned for coefficients and the other exponents Am very very new to c++ and am at a lost. Here is my + operator [code] Polynomial operator+(Polynomial& …  |
| | whats the different between two multidimensional vector and array? |
| | Hi, I am programming in VC++/MFC to make applications for Bus, Airline and other ticket booking softwares. In those applications i need to display the available Buses/Flights in as in Web pages. i.e., like tables. A row for a flight like that. Currently I am making such a view by … |
| | Hello, i need some help with C++...I'm attempting to make an 4x4 array. The user inputs the array "Line 1: " // the the user inputs his 4 numbers for line 1 and so on.... the program then adds the array across on all 4 lines, and twice diagonally. I … |
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| | How is a string vector array declared using a Form application ? This seems to work for int in a Form Application: [Code] std::vector<int> Value(10); [/code] But if you change int to string in the same example the compiler says that 'std::vector' : class has no constructors |
| | This doesn't work. Please help. (line 8: invalid conversion from `const char' to `const char*' ) const char *alphabet="ABCDEFGHIJKLMNOPQRSTUVWXYZ"; int i=0; do { new_ptr = (struct node *)malloc(sizeof(struct node)); new_ptr->next = NULL; if (start == NULL) { strcpy(new_ptr->letter, alphabet[i]); start = new_ptr; current = new_ptr; } else { strcpy(new_ptr->letter, alphabet[i]); …  |
| | I need to let the user input a line of words and make all the 4 letter words in the sentence "love".... example: cin>> I hate programming output --> I love programming does anybody know if there is any library, or string member functions would help doing this task? below … |
| | is there a quicker way to fill the list with A,B,C,...,Y,Z whithout doing all this? 1. #include <stdio.h> 2. #include <stdlib.h> 3. #include <string.h> 4. #include <malloc.h> 5. 6. struct node /* Declaration of structure "node" */ 7. { 8. char letter[1]; 9. struct node *next ; 10. }; 11. … |
| | ok so I class telling a point to rotate 90 degrees till it reaching the original point.... I'm not using Visual Studio when it compiles just looks like crap.. [code] #include <iostream> #include "point.h" using namespace std; void rotate(point &p); int Main() { a.point(0,0); cout << "(" << a.get_x() << … |
| | I am to open a text file, copy it, increment its ASCI characters by ten and then write it into a created text file. This is the code that I have so far.(visual c++ 6.0). The problem is that I cannot increment the characters. It gives me and overwrites my … |
| | So so so....finally I have learnt to create a DLL in DEV C++ (Open src compiler with IDE) Now I have also created a DLL in VC++ and I am trying to call the DLL in my DEV c++ EXE project. I have correctly specified the library file (.lib) of …  |
 | Hello everyone! I have seen some code where some variable gets inserted into string throught the % sign, like so - [CODE]("insert into songs values (%Q ,%d, %d, %Q, %Q, %Q, ... ", someInt, someChar, someChar... )[/CODE] I have tried to look it up in google but I do not … |
| | How to arrange the number properly? [code=C++] /*------------------- Two dimensional array -------------------*/ #include<iostream.h> #include<fstream.h> #include<iomanip.h> ifstream infile("STA83EXM.txt"); void main() { const int row = 140; const int column = 140; int matrix[row] [column]; //**************creates Matrix**************** int num; for(int i = 0; i<=row-1; i++) { for(int j = 0; j<=column-1; j++) … |
| | Hi, I am using Microsoft Visual C++ 9.0 Express Edition. In File > New > Project, you can select Win32 group and then the Win32 Application. I think, when you use this in your project then the compiled program should run on Windows without .NET Framework too. How is it? …  |
| | Hi, I am getting a syntax error : \Sainath.C(24) : error C2059: syntax error : '__stdcall' for the below code: [code=c++] int main() { COORD WINAPI GetLargestConsoleWindowSize( __in HANDLE hConsoleOutput ); printf("%d",x.WINAPI); // I know its the printf statement which is wrong as only when I wrote it I got … |
| | 374 / 9 = 41.6 (from calculator ) if in c++, it will become 374 / 9 = 41.555 how do i make the final calculation become 41.6 ? i've tried ceil() and setprecision(1) , the answer i got quite big different compare with the answer from calculator. answer from … |
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