49,761 Topics
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| | can someone help me, i want to use c++ and MS-Access as the database so when i use the SQL component instead of the Table i get an error  |
| | For lack of a better workflow I decided to start my project off by focusing on restoring it's state in CWinApp::InitInstance() and saving its state in CMainFrame::OnDestroy() as I put in data structures. One of the items to restore/save is the simulation time. In fact the app pretty much can't … |
| | I have been working with pthread_cond_t and associated functions and I read that usually a mutex is used in conjunction with the condition when calling pthread_cond_wait or pthread_cond_signal/broadcast. The online texts only mention that the mutex is used for 'predictable behaviour'. Does this mean that there's no need to use … |
| | Hi all, I'm having trouble debugging with the MinGW Compiler with Netbeans C++. After having lots of trouble getting the make program to work by replacing it with MSYS, I am now in need of help with the debugger. I have downloaded dbg.exe the help has said. I can't even … |
| | Current Code: [CODE] void findMode(int *array, int size) { int array2[size]; int count; int x; int mode = 0; for (count = 0; count < size; count++) { x = array[count]; array2[x] = array2[x]++; } for ( count = 0; count < size; count++) { if (array2[count] > mode) mode … |
| | Can any one suggest me some online material for "List with static array" example codes ? |
| | [code] #include <iostream> #include<math.h> using namespace std; class Vect3D { friend Vect3D& operator*(double, const Vect3D&) ; friend ostream& operator<<(ostream&, const Vect3D&); public: Vect3D(); Vect3D(double, double, double); const double& operator[](int i) const; double& operator[](int i); Vect3D& operator+(const Vect3D&) const; Vect3D& operator+=(const Vect3D&); Vect3D& operator*=(double); Vect3D& operator*(double) const; bool operator==(const Vect3D&) const; … |
| | Hi im a new visual c++ programmer... i have a program with Form1 and Form2. When i click on a Form1's button Form2 shows and then Form1 hides. But i want to know how can i make Form1 show again when Form2 enters the event Closing. Thanks!! Also how can … |
| | I have a problem with a piece of code where I ask the user to type in a filename and then I need to store the number contents of the file in an array, and then use whats in the array to find the sum of the numbers, the biggest, …  |
| | I'm having problems updating a multimap. I need to change the key value. I have found various examples but none seem to work. Any help gratefully received. Below a simplified map test bit of code. I had hoped the line between the commented asterisks would do the trick but seems … |
| | I am very interested in ASM I wana learn write it and read it like a pro.. Now i'm in CLASS issue I want to know how c++ Class definition looks in ASM code.. for example this code [CODE] class MathFuncs { public: int a,b; private: void SetVars(int,int); }MathObject; void …  |
| | How to link the ws2_32.lib in the visual studio because i am new to this ..so can u help me.... |
| | I'm a newbie to c++, and as I'm reading my textbook, I'm applying different rules to this program for converting gallons to liters and vice versa, My question is how can I check that the user input is numeric and not a string of characters? I've tried several things with … |
| | Hello , My program works fine but I still have one error that appears and I would like to fix it. It is complaining about [code] srand( time(0) ); [/code] with the following error: .cpp(25) : warning C4244: 'argument' : conversion from 'time_t' to 'unsigned int', possible loss of data … |
| | Okay I want to write a programme that saves a screen shot every second, but I don't want to use any print screen function: This is how I'd go about it, with my limited knowledge: first I'd calculate the resolution of the screen, and then loop through all the pixels … |
| | Hello I have an array in a function that I am trying to copy into a private array named pic_links although I am getting an error, it wont let me copy the array into another array. Do you know why? :) Error message: [QUOTE] no matching function for call to … |
| | Hi every one :) Well I wrote this code for deleting the pointers, and it compiles and runs. But at the end of the run it comes up with an Debug Assertion failed. WHY??? [CODE]#include <iostream> using namespace std; int main() { bool boolVar = true; int intVar = 50; … |
| | Hello, Anyone can send me c++ program for Testing LED Blinking which is attached in serial port. It will be simple ON or OFF Program. Actually I want to send data through the serial port (com1/com2 port). But at first i would like to test by using LED. Thanks in … |
| | [CODE] void highscore1() { ifstream readfile; int score; readfile.open("highscore1.txt"); while(readfile >> score) { score += 1; ofstream writescore; writescore.open("highscore1.txt"); writescore << score; writescore.close(); } readfile.close(); cout << endl; game(); } [/CODE] how to i read from the text file, highscore1.txt and do a +1 to the integer inside the textfile … |
| | please teach me how to play music by using dev c++.please... |
| | I'm using Programming: Practice and Principles Using C++ and I've hit a roadblock. Chapters 12-16 cover GUI programming and require the use of the Fast Light Toolkit. Here is what I've done so far. If you need more information I'd be happy to provide. 1. Using Dev-C++'s "Check for Updates …  |
| | hello How do I ensure that the same number does not appear more than once in my random number creator? Eg of output currently: [QUOTE] array = {30, 2, 12, 9, 2}; // has repeats [/QUOTE] Eg of what I am trying to do: [QUOTE] array = {30, 2, 12, …  |
| | I'm working on a simple program to analyse some data and I'm having trouble making multiple passes over my file. I've been trying to do something along the lines of for(n=0;n<Nmax;n++){ while (! inFile.eof() ){ crap done here; }; }; however it won't do more than one pass over the … |
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| | Ok, I have a program I'm trying to get to work, but I'm struggling to get right. I suspect its when it reads the data from the .txt file. I have to get the average of column 1 and the average of column 2, and get the highest of column …  |
| | Hello everyone, I am trying to write a program that gives you 3 options: 1 for encryption 2 for decryption 3 Exits the program If option 1, my program will ask for a password, an input file name and an output file name. My program will then read the file … |
| | This what I have from my last assignment on creating a bank account. This is what i have to add for the next assignment and I'm lost. Can someone please help me do this!! Assignment: 1. Create 3 subclasses that inherit from the bank account class created in homework 3. … |
 | Hello, I want to know how i can build a program that reads what is in a parenthesis and print it using cout, but remember that i have to use this inserted a if method. Here is a sample of syntax: [code]test (test of output)[/code] Remember that this syntax is … |
| | Hello, I'm learning C++ and i want to know how i can develop a program that reads a file like a database, but the program don't know how many lines or columns the file have, and the file is like this: [CODE]"Name Test" "1901" "email@test.com" "John Google" "6673" "john@test.com"[/CODE] And … |
| | I'm trying to make a menu in my c++ console program where a user can hit the up and down arrow keys and this will scroll through the menu options. I got this snippet of code that I could modify to make it do what I want, but its not … |
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