51,593 Topics
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| | I was trying to format the string of type CString so that when you input for example once upon a time in Mexico it would return Once Upon A Time In Mexico [code] m_VideoName.Replace(m_VideoName[0],toupper(m_VideoName[0])); for(int i=1; i<m_VideoName.GetLength(); i++) { if(isspace(m_VideoName[i])) { m_VideoName.Replace(m_VideoName[i+1],toupper(m_VideoName[i+1])); } } [/code] however it keeps returning Once … |
| | Hye all.. Can anybody here give some ideas or repair to make this program better.. I mean a good programming style.. This program is about using POINTER only..:) [CODE]//This program find the total rain for each year, the average //yearly rainfall and the month with the highest and lowest rainfall … |
| | Hello all I joined newly in this forum. I recently started using dev-c++ 4.9.9.2 compiler for my c++ programs. I am presently reading c++ from c++ design by Cohoon and trying programs from it. For this I need to use a library called "ezwin" developed by the author. I have … |
| | the problem is as follows my teacher wants me to: write a program that reads lines of text into a string using the getline(cin,line) function and then type sets these lines of text so that they are column aligned on the left and right margins as shown in the second …  |
| | Hi. I have a problem. This is my code. // the array.h file #ifndef ARRAY_H #define ARRAY_H #include <iostream> #include "arr_exception.h" using namespace std; class Array { friend ostream &operator <<(ostream &os, const Array &arr); // done public: Array(int n); // done Array(const Array &array); // done ~Array() {cout << … |
| | i encountered the problem below, anyone can explain to me, thanks. for (;*sPtr!='\0';sPtr) cout << *sPtr; how to understand for loop ";"? thanks |
| | Hey, Well I am fairly new to C++ and am supposed to create a program that compares various pizza's between size and price so the unit would be dollar/area^2 The input from the user should first be how many items you have to compare.. The next input from the user … |
| | dear all what is difference when a function was called with an array as an argument and with a point as an argument? thanks. anyone can give me an example?  |
| | I was hoping that someone could help me out with this. For our program, we are supposed to write the following function [QUOTE]int reportMaxima( double array[ ] [ NCOLS ], int nRows, int nCols, double xMin, double xMax, double yMin, double yMax ); Finds and prints out cells in the … |
| | I'm still working on the same Flight Database as before. It's a program using 3 classes each with their own header and implementation files. The 3 classes are Date, Flight, and Trip. The Date Class is only used within the Flight and Trip Classes. So those two classes each have … |
| | I have three child classes which 2 of them work and the last one has the "not a base or memeber error" can anyone tell what went wrong? please see the last file at the bottom [code=cpp] # include <iostream> # include <string> using namespace std; class Employee { public: … |
 | [code=cplusplus] #include <iostream> main() { int employeeid; int hoursworked; float hourlyrate, grosspay; cout << "ENTER THE EMPLOYEE ID: "; cin >> employeeid; cout << "ENTER THE HOURS WORKED: "; cin >> hoursworked; cout << "ENTER THE HOURLY RATE: "; cin >> hourlyrate; grosspay = hoursworked * hourlyrate; cout << "EMPLOYEE …  |
| | Hi, I am new to VC++ programming. I need to create 2 forms and and collect the data that is input in the forms to a class. Now the forms are defined in the form1.h and form2.h files. I have a class "Railway_Input" in the main cpp file. The cpp … |
| | Hello, I have been wondering how to keep a value even after a program ends. An example could be a countdown of days on a trial of a product. It must be able to not be changed by the user. How would I do this? |
| | Hello Everyone, I have a Blackjack Assignment due in a few days in my Programming class. I have completed the program and it seems to be working. Could I ask someone to take a look at it and tell me how it looks. Where I could make improvements and so … |
 | Hallo, i stumbled over a curious behavior today, which i never saw in more than 15 years of usage of cpp compilers: The following gets compiled without any error message by gpp 3.4.5 (from mingw, included in devcpp), where i normally would seriously expect an error message: [code]sometype funcname(sometype somearg) …  |
| | I have two classes, Date and Flight. In my Flight object I have Two date objects. I'm running into trouble when trying to initialize the Dates. My current code is below. I don't understand why what I'm doing doesn't work. The flight header file has a #include "Date.h" command, so … |
| | I wrote this code that inputs employees salaries and distributes them to how much they made. I need some help translating this code into C++ [code=c] #include <stdio.h> int main(){ int sales[9]={0}; double gross=0, percent=0, salary=0; int total=0; int counter=0; printf("For 5 peoples salary ranges, Enter the first gross\n"); scanf("%d", … |
| | Hi, everybody. This is my first day here. And I create a new account because I hope to learn more from you. Here is the my task. I have a text file, it contains a DNA sequence. I want to fragment it into sequences with a definitive length into a … |
| | I'm currently trying to manipulate TShape objects over multiple classes, I had a problem with #includes and now that is sorted, the only thing i'm trying to do is create shapes on one form from another class, by creating the function and then calling it in my main class, here's … |
| | i compile this code in Microsoft visual studio C++. No errors.. but i cant save the file.. why ?? [CODE] #include <iostream> #include <vector> #include <fstream> #include <conio.h> using namespace std; using std::vector; class Service { public: Service( string d ) { strcpy(servDate,d.c_str()); } void setDate(string d) { strcpy(servDate,d.c_str()); } … |
| | How do I access a private member of a class? [code=cplusplus] class Foo { public: int blah; private: bool whatever; }; int main() { Foo* myFoo; myFoo->whatever = true; //does not work obviously } [/code] How do I access 'whatever'? Thanks. |
| | #include<iostream> #include<fstream> #include<iomanip> using namespace std; class lohi { int x; int y; public : lohi() { x=10; y=20; } }X; int main() { fstream io; io.open("just1",ios::in | ios:: out | ios::app); io.write((char*)&X,sizeof(X)); io.close(); } in this programme i expect a file to be created and contents of x,y to … |
| | This is the code char number[]="0.58"; double value = atof(number); When I execute it value is 0.57999999999999996 Do you know why? Thanks in advance |
| | Hello Trying to fetch a part of a string with g_regex_split. The string may look like: `"9999 00 00 CC 03 00 CC 00 00 'xxx'"` What I want is to remove everything except: `00 00 CC 03 00 CC 00 00` My idea is (since there is no get_this_part_of_string … |
| | How do I write a C++ for loop that displays the following set of numbers: 0, 10, 20, 30, 40, 50 ..... 1000 I don't know anything about loops, so any help will be much appreciated Thank you much. :) |
| | Here's a challenge for you C++ aces. The challenge is to write a function with the following declaration: [code] unsigned long extract_digits ( unsigned long x, size_t n, size_t i ); [/code] This challenge has three parts. [B]Part I (Beginner):[/B] Write the extract_digits function. It should return a sub-value of … |
| | Need some help. I have an assignment that calls for the sorting of two arrays. One is an array of doubles, the other chars (two dimensional). I cannot figure it out for the life of me. Here is the whole program. [CODE]#include<iostream> #include<iomanip> using namespace std; //Function Prototypes double sumRain(double[], … |
| | Hi all! I have just started learning c++ and i have a lil' problem compiling one of my programs (ADT). I havent finished it yet and started partialy verifying it, if it's correct or not, but i just met an error and i have no idea what the hell is … |
| | Although not a C++ specific problem but you may have an idea how to help me anyway. A program that has worked for a long time suddenly stopped working and I suspect it's a security patch issue. Background: I've made a program on a Pocket PC (Windows Mobile 5) that … |
| | Hi, Guys Here's an important problem I have been facing lately. My idea is to partition an array on basis of an element such that, this element has all the elements smaller than it before it and all the elements greater than it after it ... ( Similar to pivoting … |
| | hello everyone. im a newbie at working with c++ and i have just got my assignment and it is to create a piece of software to analyse images of coins. can someone help me? i just need help starting it off then i can get the rest done. never done …  |
 | [quote]Reposting from another forum as i didnt get many suggestions there[/quote] Hi Guys, In my project the user will enter the name of the organization and it's floor map has to be displayed. the maps have to be made by us and need not be complicated at all. what i … |
| | I have an exam tomorrow and just going over quizzes I did not do all that good in and was wanting to know if anyone could assist me w\ my mistakes Quiz 6 This question asks me to put in the output int Function_one(int y, int x); int main() { … |
 | I was wondering if what I have done is correct or not. Here's what my book says to do: [I]"Write a function template that accepts an argument and returns its absolute value. The absolute value of a number is its value with no sign. For example, the absolute value of … |
| | Using OpenGL in Visual C++: Part I #1 Jul 14th, 2004 Here is the example i also used to implement an opengl window ready for painting. But the problem is i still have flicker. How can i get rid of it ? pls help me... here is my code : … |
| | Is there any way to create a variable amound of endl: i.e. divide height by ten and make that many endl in a cout statement? |
| | For our class, we're supposed to simulate a moon lander program. For a given starting value for the height (200 feet above the surface), amount of fuel (100 pounds of fuel), and velocity (0 ft/sec), we're supposed to simulate a ship landing on the surface of the moon, depending on … |
| | Hi everyone. I'm trying to create an array of distinct random numbers. This is what I have so far. [CODE] std::vector<int> randomNumberVector; randomNumberVector.resize(10); void CBlah::Randomize(void) { int randomNumber; int length; int i; BOOL isTaken; length = randomNumberVector.size(); for(i = 0; i<length;i++){ while(randomNumberVector[i] == NULL){ randomNumber = GenerateRandomNumber(); isTaken = CheckRandomNumber(randomNumber); … |
| | Dear c++ guru: In c++, normally we will call a function as shown below: [code] int funct () { ...; } void main() { funct(); } [/code] main will call the function "funct()" which is defined within the same file. However, in my case, i wish to have the "funct()" … |
| | Hey Guys I am trying to get a basic program to work with dynamic memory allocation. I have a problem with a overload operating my stream operator...<< On my previous program i used this: [code] ostream& operator<<(ostream& output, const Vector& p) { output << "(" << p.x << ", " … |
| | Hi, I wish to read an input file 5 times. I am able to read it once but when i try to read it second time i am unable to do that because the file pointer is stuck at EOF. Can anyone suggest a small sample code of how to … |
| | [B]The problem:[/B] Given a list of imployees, create a simple program that allows the user to insert, delete, display and search an employee. The prog. shall display 10 imployees as default. Also a list of menu should be display. The menu names are insert, delete, dsplay and search. [B]My questions … |
| | I'm not sure if this is possible but maybe somebody can help me. Is there a way to have a C++ programming running and extended it's code with code from an external file while it is running? In other words, more functionality needs to be added as the program is … |
| | Hi everyone! What is the code if I want to connect to MS ACCESS or SQL SERVER using C++? Is there a special compiler for c++ for that database code? Thanks |
| | i have been having problems inputting some data from a file and i am clueless as to why i keep getting the output i do. This is a partial part of my code but as you can see from my output for some unkown reason I am not inputting an … |
| | I'm making a program that reads in data from a file into 2 different arrays (one is an int array and another is a char array). And they are parallel. These are songs and song types (hip hop, jazz...etc). I want to print the songs as a playlist then I … |
| | dear all i am a newcomer, i read c++ book already, still so blur for private, public and protected variables, anyone can give me examples for differe from them and some explanation. thanks a lot. LI |
| | I have been reading the posts on radix sort here at DaniWeb and at [url]http://www.cubic.org/docs/radix.htm[/url]. I have already created the code for the counting sort which will do the rest but I do not understand how to do the radix part. I guess what I am asking is if you … |
| | hey guys, I want to create 6 different random numbers without repetitions and this what I have done. I just wanted to make sure if this logic makes sense. [CODE] for(int n=0 ; n<6 ; n++) { randomInt[n] = generateRandomInt(0,20); cout << randomInt[n] << endl; } for(int i=0 ; i<6; … |
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