49,761 Topics
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| | I'm having trouble with this program from right out of the book. Its just supposed to write an integer array to a file that it creates. I've compiled it without any errors, but when I try to run it, it fails and tries to debug. can anyone help me figure … |
| | Hello I have made a function that determines whether 2 words are an anagram or not. [B]My Problem is:[/B] that if the word contains 2 or more of the same letters(eg hello, arrest, gall) the function doesn't work even when the 2 words input are an anagram, If i input … |
| | Hi everyone, I have a problem about inheritance and I can not solve it since Monday. I have two classes [B](Student_Patient and Emp_Patient) [/B]inherited from [B]Patient[/B] class. [B]Patient [/B]class and [B]Doctor [/B]classes are inherited from [B]Person [/B]class. The [B]Doctor[/B] class has a member function[B]double get_fee_of_doc() const;[/B] which returns a double …  |
 | #include <time.h> // double RAND_MAX = 4294967296.0; //2147483647; // void aleatorio(); void warmup_random(double); void advance_random(); int flip(double); double randomperc(); double aleatorios_0_1(); long rnd(long, long); double Rseed; /* Random numbers seed */ double oldrand[55]; /* Array of 55 random numbers */ int jrand; /* current random number */ /* Initialize random … |
| | Hi everyone! I am starting my first year of college classes next week with an intended entry into a computer science major. I am most proficient in Java and PHP, and understand that C++ and the former are vastly different. In doing some research, I have found that my professor … |
| | Hello everyone.... I have gotten this far with my mortgage calculator....the problem is the while loop and the actual calculation isn't working correctly. The while loop really doesnt do what i was hoping for it to do...and being pretty amature at this...i am not sure where to go. i built … |
| | I'm trying to write a peice of code that will convert all the uppercase characters in a word to lowercase, and to store that in an array. I know how to convert individual characters, and to output all these characters in the fixed lower case. The thing i'm unsure about … |
 | hello , i am a newbie in c++ and desperately wanna learn it. icoded this but i m gettin some error [code]# include<iostream> using namespace std; class cat { public: unsigned short int age; public: void meow () { cout<<"MY AGE IS "<<age<<endl; } [/code] [code]# include"cat.cpp" int main() { … |
| | [CODE] #include <iostream> #include <algorithm> #include <conio.h> #include <cmath> #include <iomanip> using namespace std; int main() { int terminals[]={1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20}; int count,row,col,i; int limitcomp[20]; int coordinates[2][20]; double smallest = 0.0; double current = 0.0; double x, y; int network = 1; double chunk, total; do { cout<<"Enter number of computers: "; … |
| | Hi all, I have a simple question. I am working on it for a long time and I feel that I am almost done except for a small problem. As seen below there is a member function of patient class. It takes variables name and visit_duration. In addition to these …  |
| | I am writing in C and using using VC++ 2008, .net 3.5 sp1 framework using a USB - to serial converter for serial port -- it comes up as COM4 on Windows 7 x64 as the operating system. Need to read and write to a circuit board which gives out …  |
| | Hello, I am having a trouble with the proxy I am making with C++. I am connecting a client to a server trough my program. client talks to my program, program talks to server server talks to my program, program talks to client Like that. However, when I receive something … |
| | I have an MFC SDI application in VC++6. Data is read from disk in the Doc, converted, and displayed in the View. I have implemented a CDialog, launched from an entry on the main menu, in order to permit the setting of data display options. By including the CDialog's header … |
| | Hi all I have a function writetofile() which save a record to a file but the problem is when its writting to a file it doesnt write the record in a correct order, here is the code for WriteToFile() [code=c++] void StudentC::WriteToFile() { ofstream Outfile; Outfile.open("File\\Student.txt", ios::app); Outfile << Count …  |
| | error C2106: '=' : left operand must be l-value for (int m=0;i<4 && i%2==0; m*m =i) { cout<<"Multiplication of all positive even numbers which are greater than N: "<<i<<endl; } |
| | Hello all. I get a small problem compiling it. And get the next error: \client/windows/handler/exception_handler.h(72) : fatal error C1083: Cannot open include file: 'client/windows/crash_generation/crash_generation_client.h': No such file or directory So how i proceeded : Installed mozilla-build 1.4, reinstalled the windows sdk(to the latest version), and have Visual Studio 2008 Professional … |
| | Hi, I am having a problem trying to get a callback function to work within a class. Its from the DXUT Direct X source code example. I'm basicly trying to get a callback to call a function within a class. I'm stuck, been reading around looking at all these pointers … |
| | I have this code: [CODE] #include <iostream> #include <string> #include <vector> #include <algorithm> #include <fstream> #include <stdlib.h>//(for atoi to work) using namespace std; void usage() { cout << "Usage: <input1> <input2> <output>\n"; cout << "\n see README for more details.\n"; exit(1); } int main(int argc, char *argv[]) { cout << … |
| | In my project there is a need to for multiple inheritances and I have figured out that i need to inherit base classes virtually. The code that I have works fine, but I would like to know in particular what happens internally during inheritance. The classes that i use and … |
| | Hey guys, I've been working with KML files for displaying placemarks on Google Earth. Through my C++ application I need to insert new placemarks in a generated file. Some example code follows and may give you an indication on what kml is and what i want to do. As the … |
| | Hi, i would like to know if list is able to achieve these : 1) to get the range of elements such as .. A list of 10 elements beginning from value 1 to 10. I would like to get the range from element 3 to element 5 and add … |
| | Hey guys. I was just following lazyfoos' SDL tutorial when i got stuck on lesson 08. Everytime i try to compile and run the source code the program closes immediately and a window pops up that says "An access violation(segmentation fault) raised in your program.". :S The compile log: Compiler: …  |
| | When I compile the code below it generates more than 30 syntax errors. It does not make sense. The problem is probably somewhere in [CODE]Patient(string name_of_patient, int age_of_patient, string address_of_pat, double visit_duration_ofp, string ssn_of_patient, Doctor &doc);[/CODE] but I could not figure out the problem. I know it is not convenient … |
| | Its my 1st time posting here... Do tell me if I am doing anything wrong. [code=c] cout << "Please specify a question that has a yes answer for your object and a no answer for my guess:" << endl; getline(cin, qtn); foundyq = qtn.find_first_not_of("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ "); while(int(foundyq) != -1) { if(noTry …  |
| | Basically the idea is to center a string. I selected the total length to equal 80. I know there is no fail safe placed into this program. I know there is another way to do this. I am stuck in a way. The program works, but I think I am … |
 | I'm trying to make a simple program to improve my use of pointers (because I suck very badly at that), and I was doing fine, until I found this problem: -- HEAP CORRUPTION DETECTED: after Normal block (#155) at 0x007D18F0. CRT found that the application wrote to memory after end … |
| | our task is to determine how the computers should be connected into such a chain to minimize the total amount of cable needed. there are 20 terminals each has a corresponding coordinate(x,y). the user will just choose which terminal he will put his pc's. 1. you wil ask the user … |
| | Hi all, I have two classes [B]C[/B] and [B]D[/B] these classes are inherited from [B]B[/B] class. My question is how can I use a member function of [B]C[/B] at[B] D[/B] and at [B]D[/B]'s child classes? I tried to do it with a regular function but it does not work in … |
| | Hello. I'm a new c++ user after having used Java for a few years as well as php. I'm having trouble with strings and how they can be used with classes. This is what my runner.h file looks like [CODE]#include <string> #include "TestApp1.h" #ifndef RUNNER_H using namespace std; class Runner{ … |
| | Hi, I want to retrieve the hardware information (CPU info, RAM size, HDD info, VGA info) for dos platform. Anybody can help me with Turbo C or C++ source Code? Any help will be greatly appreciated. Thanks |
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