49,762 Topics
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| | Ok so I am using Microsoft Visual C++ 2008 express edition to compile my programs. I have used this for a while now and i want to make a program that will open another executable file. I have done this successfully with system(), however whenever I put spaces in the … |
| | Hey, everyone! I've got small problem in this code! I cannot find a mistake in this code. I was playing many times by changing functions and values, but something wrong. I'm beginer in C++, but I would like to be professional. I never ask for codes, only help for explaining. … |
| | Simple program opens a text file and counts all the lines. Then it returns the pointer to the beginning of the file and starts pulling in the lines for data manipulation. The Problem: If the file "triangle.txt" ends with a newline everything works fine until the last [i]while[/i] loop which … |
| | Hi, im a student taking information tech. and im a newbie in this forum... i need help on the machine problem that my prof gave me... please help me i cant figure out what codes do i use..:confused: the number 5 is user's input... the output is this... [QUOTE] [B]Input … |
| | Hello everyone! I'm working on a little 2D Game, and I managed to make a 32x32 fill out my whole window :) and I also managed to override the whole 32x32 grass terrain with a 40x40 desert/sand terrain. But I can't figure out how to remove the images I applied … |
| | Hi, I'm am very new to wxwidget. After reading certain guides, I finally managed to set it up. But I'm still facing problems while executing my own 'independent program'. I'm using wxwidgets 2.8.10 and Visual studios 2008 express. This is what I did: [b]I used the below tutorial for building[/b] … |
| | the function is used to write things into a txt file. the function works quite well except there is a blank first line in the txt file. i think the error is caused by "ios_base::app", which always write to the end of the file. i want to write to the …  |
| | I currently have a Windows Service written in C# .NET 2.0 which is automatically started and runs under the LocalSystem account - lets call it Serv.exe - this service is responsible for performing administrative tasks (a bunch of them). There is another application (lets call it A.exe written in C++) … |
| | So my assignment is to go a little farther in this Mortgage calculator. by the way thank you for all the help thus far. I am trying to get this right, but can seem to get the math right. Here is the assignment: Write the program as a procedural C++ … |
| | Hello All, I am still pretty new to C++ and am just trying to create simple codes to strengthen my skills. I have written the code below that is supposed to allow the user to pick a shape (either circle, square, or rectangle) and then input either the radius or … |
| | Hi, I have never worked with threads before so I am wondering how to go about it. I have a windows application that runs just fine. It is just that when the user trigger a command that takes several minutes to complete, the window get the hour glass and the … |
 | Error message: ...error C3867: 'temp::addition': function call missing argument list; use '&temp::addition' to create a pointer to member [CODE=C++] #include "stdafx.h" #include <iostream> using namespace std; struct temp { int addition(int x, int y) {return (x + y);} int operation (int x, int y, int (*functocall)(int,int)) { int g; g … |
| | Hi all, I am trying to read double numbers from a txt file and calculate average and standard deviation. It builds successfully but gives an error when it is run. The error I see on the screen is -1.#IND. Do you have any idea what it is and how can … |
| | I am trying to implement some getters and setters in an abstract class that I am calling from the derived class draw functions but I can't get the thing to compile and I don't know why. Shape is the abstract base class. I am getting the compiler error that says … |
| | I have a created a C# windows service (Serv.exe) which is responsible for performing various tasks at the request of a running application (A.exe), some of these can take long periods of time and I need a way to know the status of my requested operation (running on the service) …  |
 | i tried to open another form from the solution when i clicked a button, but i cannot make it work, the errors are; [ICODE]Error 3 error C2061: syntax error : identifier 'ayarlar' c:\documents and settings\administrator\desktop\develop_dersane\etud\Form1.h 211 Error 2 error C2065: 'ayar' : undeclared identifier c:\documents and settings\administrator\desktop\develop_dersane\etud\Form1.h 211 Error 4 … |
| | Hello i have two questions 1. I have vector that I have delete several members from it after I do it I have a problem to access other member because index if other members has changed. What is the best way to know and access the members of the vector … |
| | i m idiot programmer.......... i need to make a good project on c/c++. kindly help me. thanks |
| | Goodday everyone,i am working on an archive like application.i intend to have a global index of data and thier physical file location stored in a stl map,then saved in a file. I would want to know if the file containing the map can be read quickly or is there a … |
| | Hello, Anybody can give me idea, How can i check COM port? I want to check, is it already open or not? if it is already open, just avoid to open the port. Thanks.  |
| | hi, can anyone please provide me with a cpp code solution for the attached question. its based on arrays and pointers and i have no idea how to go about doing it. can someone please help me please. i have till wednesday(26/08) to finish it. please help me please. i'm … |
| | Hi, I have one address (0xffbff21c) where I have stored 2 int values, depending on the way I read it. Where is the second value stored (at which address)? My code is [code=c++]#include <iostream> using namespace std; int main() { const int a1 = 40; const int* b1 = &a1; … |
| | QUE1: If I have declared a really large aaray inside a function, would it be automatically deallocated on exit the scope of the function?? QUE2:While using mpz_class in GMP is the memory automatically deallocated after exiting the scope i.e. are the appropriate destructors for giving the memory back to O.S … |
| | I am currently having problems with my ADO connection string. I have searched all over the internet for a solution to this problem but I have yet to find a solution. Can someone help me with the proper configuration for a SQL OLEDB connection with a windows authentication? I have … |
 | Hi there, I have a simple problem. I have a namespace with a couple of classes declared in a header file. The classes have functions but no body. When I include the header file and try to call a function, i get the error unresolved external symbol referenced in function … |
| | I am learning openMP in C++ in Linux environment, and I am using Netbeans for programming. I want to test the parallelization of my program by multiplying two 1000*1000 matrices on a dual core processor. When I run the program, it terminates by segmentation fault for stack overflow. My program … |
| | Hi all. Majorly bamboozled by the wxwidgets file streams. does wxFileInputStream have a GetLine() function, similar to the normal c++ file stream class??? had a wander thru the wx docs, and just ended up more confused. heres what i want to do btw. (note, functions are seperate but operate on … |
| | Hi, I need to develop a C++ application for Linux, and I am worried about its compatibility with between different distros, for example if I develop it on Kubuntu, is it possible that I may have compatibility issues if I run it on Gentoo or Open SUSE for example? In …  |
| | I want to convert string to integer. My string values are something like 0x000,0x0001 and etc(i.e. values are in hexadecimal format). if i used atoi() function then it will take only 0. but i want the entire string. e.g. string abc = "0x0000"; i want... int i = 0x0000; can … |
| | Hey all - got a very basic question here, not even looking for answers per se, but more just for any sources of information I can read up on to help me out with this. I've got an application which controls a robot. The application recieves geographical information, currently in … |
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