51,593 Topics
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| | hey guyz.. I don't understand the REAL job of a controller in MVC pattern. Can anyone show me a simple program with the controller's code? thanks a lot  |
 | Hey guys, I need a really simple code for chatting across consoles. I have looked up many tutorials on how to do this, yet they all seem to fail. All I want is a VERY simple chat that sends data from the client to a file, and then receives the … |
 | [B]Beginner's guide to C++0x: Avoiding Memory Problems by Design of Ownership[/B] If you ever read any resources on C++ programming or object-oriented programming, you must have heard some rethorics like "inheritance is for the [I]is a[/I] relation, composition is for the [I]has a[/I] relation". Is that all? Is that the … |
| | hi, if any body knows please send the information about L value required error in c++. if anybody knows please send it to <email snipped>[EMAIL="satish.paluvai@gmail.com"][/EMAIL] satish.paluvai:?:  |
| | What is the c++ code of this c language code [CODE]printf("%d", b[i])[/CODE] ?? |
| | this is the output of the program. Enter num1: 2 Enter num2: 2 Enter number of iteration: 2 1=1.5 final answer=2.5 we are assigned to do the program . it's really difficult .  |
| | I am trying to sort a vector of strings in order (one line consists of various strings e.g. 12 10 2010) and was wondering if I would be able to extract individual values from one line of a vector? The way I am doing this is by reading lines from … |
 | I would like to know how the isFull() function works for a Stack and a Queue, but by implementing the Stack as a dynamic array(without a predefined size) and implementing the Queue as a linked list. |
 | Hi there everyone, I really hope someone can help me, I am working with Visual C++ with QT libraries and using... well... something that represents MVC (long story)... now I need to pass a const QString& from my 1 controller class to the model of another class... When doing so … |
| | *sigh* Okay, I'm building a small console app to launch batch files. I have user inputs for selecting the drive letter, and the folder path. The batch files have the same name as the drive letter (i.e. d.bat, e.bat, etc.). [CODE]drvPath = (drive + ":\\" + fpath + "\\" + … |
| | Hi all, I am a newbie to C# and need help bad. I am to use looping (do,for, while or any combination).The program will accept a letter 'A' example and then end. What am i doing wrong. Three salespeople work at Sunshine Hot Tubs-Andrea, Brittany, and Eric. Write a program …  |
| | Hey all! I'm new to the forum and a little wet around the programming ears so to speak. Anyway I have a question regarding Linked Lists. I know that typically a linked list looks like this: [CODE] struct Node { dataType varName; //data type and variable name Node *next; //points … |
 | Hi I installed Visual C++ 2010 express today. There is no option to create a .C file. I tried googling but found nothing. Please help me with this |
| | Hi Guys !! I'm new to this forum so please excuse me if i'm not posting my problem correctly. I have been given a project to make a program in C++ that solves a given sudoku problem. Here is what i did : [CODE]#include<iostream.h> #include<conio.h> int board[9][9]; int checkrow(int t, … |
 | Hey guys, I got the icon thing to work(it was pretty easy actually, you just have to download [URL="http://icofx.ro/"]icofx[/URL] and the [URL="http://www.softpedia.com/progDownload/Resource-Hacker-Download-1520.html"]resource editor[/URL] then load icofx, go to tools, resource editor, click on folder icon, open your .exe file in the Dubug part of your folder, and then click on … |
 | Hi.Someone asked a day or two ago for a way to extract the square root of a number without using the std::sqrt function so i thought about writing my own.Here it is and please feel free to criticize. |
| | Just recently started learning SDL and have this problem, this program should properly display my background and message on the screen, but instead its just a black screen. Did the Blit, did the Flip, maybe im missing something? Heres the code: P.S i know i might forgot to add some … |
 | hi, i am making a program that kills a process [CODE]system("taskkill /im explorer.exe");[/CODE] and i need to restart the process using CreateProcess. [CODE]CreateProcess(NULL,("C:\\WINDOWS\\explorer.exe"), NULL, NULL, TRUE, CREATE_NO_WINDOW, NULL, NULL, &siStartupInfo, &piProcessInfo);[/CODE] but i keep getting these errors: 27 `siStartupInfo' undeclared (first use this function) and 27 `piProcessInfo' undeclared (first use … |
| | I've found some similar posts on opening different files with the same file stream but they are difficult to understand. I'm trying to figure out for a larger project why I can't use the same file stream as in this example and what an alternative solution may be. And yes … |
| | hello. Can you recomend me any good OpenGL models type? I would like a type wich would have good editors for that model type and it would be possible to use "skeletal animation" with it. |
 | [code] //A c++ program that calculate and print parking charges #include <iostream> using namespace std; #include <iomanip> const double minimumFee = 7.00; const double hourlyFee = 1.75; const int numOfCustomers = 2; const int numOfMinsPerHour = 60; void inputAndValidate(int,int,int,int); void convertToMinutes(int&,int&,int&,int&); void convertBackToTime(int&); double calcCharge(int&,int&,double); int entranceMinutes,exitMinutes,entranceTimeInMins,exitTimeInMins ; int minutesParked,parkedMinutes,entranceHour,exitHour,parkedTime …  |
| | //A c++ program that calculate and print parking charges #include <iostream> using namespace std; #include <iomanip> const double minimumFee = 7.00; const double hourlyFee = 1.75; const int numOfCustomers = 2; const int numOfMinsPerHour = 60; void inputAndValidate(int,int,int,int); void convertToMinutes(int&,int&,int&,int&); void convertBackToTime(int&); double calcCharge(int&,int&,double); int entranceMinutes,exitMinutes,entranceTimeInMins,exitTimeInMins ; int minutesParked,parkedMinutes,entranceHour,exitHour,parkedTime ; … |
| | I learned that a boolean does not need all the memory space it is provided in order to display true or false (1 or 0), but since the lowest space computers can work with is byte it was expressed as that. I also read that there are ways to store … |
| | Hi i'm pretty new to c++, but i've been programming in java for a while, i've tried to do a simple drag and drop program that when a file is dropped in the main screen it gets the file path and write it in a TextBox, but i doesn't work, … |
 | I started reading Programming Windows API 5th Edition by Charles Pretzold and I compiled and ran the first program and it worked fine but this one doesn't work and I have been messing with it and I don't know what do anymore, the problem is line 22 when I run … |
 | I've made a program of basic bank transaction. I'm having a hard time figuring out how will that cin >> newb; and cin >> currentb; work out...the program works if you remove the formulas..also i'd like to add if (withdraw <=10000) the program will stop the user from withdrawing but … |
| | Hi, I wanted to write a C program which searches for text files in a directory(assuming the directory and files are not write protected),list them and open each one of them(files) write a letter A in them.Can anyone give me a sample code. I believe it can be done with … |
| | I am trying to rebuild my code for my final project due in 2 hours... I am getting a stray \147 and 148 error, along with various other errors. What am I doing wrong???? I am not very good at this C++ stuff, so any help would be appreciated :) … |
 | anyone know how to change network settings like default gateway and DNS? my first idea was to do it from the registry but i read somewhere that it is not good and if OS specific any ideas? thanks |
| | This doesnt work as it should... [CODE]void renameMonths(string month) { if (month == "jan") { month = "january"; } } int main() { string month; month = "jan"; renameMonths(month); cout << month << endl; }[/CODE] the output is just jan, when it should be january. Thanks in advance. |
| | This is my code: [CODE] void removeAppointments() { vector <string> newfile; string line; int i; int n; ifstream Appointments; ofstream newAppointments; Appointments.open(DATAFILE); newAppointments.open(newDATAFILE); if (Appointments.is_open() && newAppointments.is_open()) { // Read the file until it's finished, displaying lines as we go. while (!Appointments.eof()) { getline(Appointments, line, '\n'); // getline reads a … |
| | [CODE]#include<iostream.h> #include<conio.h> class test { public: int data1; char data2; test() { cout<<"contrsuctor"; data1=1; data2='a'; } ~test() { cout<<"destrucor"; } void show() { cout<<"data1"<<data1; cout<<"data2"<<data2; } }; void main() { test *ptr; test object1; ptr = &object1; cout<<"\npointer\n"; ptr->show(); delete ptr; getch(); }[/CODE] |
| | I am making a program (new to c++) which lets you save contacts and then allow you to list them and remove them. I am lost to how I would number each contact, for example: 1. Sam 21340223 2. Jessica 21020303 |
| | I have a switch statement set up, with 2 cases (a or v). I could have just done an OR, but decided to practice with switch statements. So far i'm using it to select what letter they type in, then launch the next part of the program depending on the …  |
| | When I want to access a part of the vector (appointment) it won't allow it, for example simply adding: [CODE]cout << appointment[1];[/CODE] will not work. I also want this vector to be saved to my class (Appointment), so I can later remove elements of the vector. Would I be able … |
 | I am having some trouble getting some overloaded operators working correctly with a simple inherited Vector class (numerical vector, not container) The scalar multiply from the base class doesn't appear to be visible to the derived class. Code follows: Base Class Header [code=c++]#pragma once #include <vector> class Base { protected: … |
| | I just watched this tutorial: [url]http://www.youtube.com/watch?v=NTip15BHVZc[/url] and tried it myself, but I could not get it to work, I get these errors: [CODE]||=== 15. Placing classes in separate files, Debug ===| C:\Program Files (x86)\CodeBlocks\programs\tutorials\15. Placing classes in separate files\src\testClassFile.cpp|1|error: testClassFile.h: No such file or directory| C:\Program Files (x86)\CodeBlocks\programs\tutorials\15. Placing classes … |
| | I am trying to add a numbering system to a list in a datafile: [CODE] Appointments.open(DATAFILE); if (Appointments.is_open()) { // Read the file until it's finished, displaying lines as we go. while (!Appointments.eof()) { getline(Appointments, line, '\n'); // getline reads a line at a time appointment.push_back(line); cout << i << … |
| | Hey guys, I made a program and i was just wondering how to change the icon because right now all its showing is the application file icon. So Any help is appreciated. Thanks! P.S: I already tried resource hacker, and I probably did something wrong but it didn't work. |
| | Hello, I am trying to build cURL 0.7.3. When I configure cURL.pp within the shell (./configure), the program exits with error: cannot find boost libraries. So I used the following command to bypass this step: ./configure --without-boost The configuration finishes with no errors, however, when I try to "make" within … |
| | Hello. I have written my code and I am almost done, but I keep getting LNK2019 errors. I'm not sure what I'm doing wrong. Any suggestions? [CODE]#include <iostream> #include <cmath> #include <iomanip> using namespace std; int getStudentCount(void); double getExamScores (int noStudents); double getLabScores(int noStudents); double calculatePointGrades(double, double); char calculateLetterGrades(double); void … |
| | Hey all, I am designing a budgeting program, not for any particular reason, and am having trouble with my new budget "wizard". I'm just storing the budget info in an xml file, and so far the program can load and modify info (I've yet to implement saving), but it cannot … |
| | #include <iostream> using namespace std; #include <iomanip> const double minimumFee = 7.00; const double hourlyFee = 1.75; const int numOfCustomers = 12; const int numOfMinsPerHour = 60; void inputAndValidate(int&,int&,int&,int&); void convertToMinutes(int&,int,int); void convertBackToTime(int&,int,int); double calcCharge(int,int,int); int main() { int entranceMinutes,exitMinutes,entranceTimeInMins,exitTimeInMins ; int minutesParked,parkedMinutes,entranceHour,exitHour,parkedTime ; int parkedHours; double charge ,totalCharges; int …  |
| | Hello, I am trying to do the following: [quote] Company needs 200 pens a year. Write a program to gauge the expected cost of an item in a specific number of years. Asks for the cost of the item, numbers of years from now it will be purchased, and the … |
| | I am having an issue with my decryption out.txt file. I have gotten the program to open the input file in note pad and encrypt. to an output text file but when I try to decryp to an out text file it doesn't do anything. I figure I am missing … |
| | [CODE]#include <iostream> using namespace std; #include <iomanip> const double minimumFee = 7.00; const double hourlyFee = 1.75; const int numOfCustomers = 12; const int numOfMinsPerHour = 60; void inputAndValidate(int&,int&,int&,int&); void convertToMinutes(int&,int,int); void convertBackToTime(int&,int,int); double calcCharge(int,int,int); int main() { int entranceMinutes,exitMinutes,entranceTimeInMins,exitTimeInMins ; int minutesParked,parkedMinutes,entranceHour,exitHour,parkedTime ; int parkedHours; double charge ,totalCharges; int … |
| | Hi guys, I am trying to create a edit control, with pure win32. When the return key is pressed I would like it to run a section of code. I have tried getting it to handle the return key message through the main windows message handler. Unfortunately that causes it … |
| | Hello I an new to C++ and am making my first program from scratch that has a useful solution after a while debugging I notice a problem with a displayed item and so I change the the code and a new error comes up... [TEX]------ Build started: Project: A_Message, Configuration: … |
| | Hey guys, I made a converter program and i was just wondering how to make it run on its own without debugging it or anything. So, Any Help Is Appreciated Thanks! If you want my code: [CODE]#include <iostream> #include <time.h> #include <string> using namespace std; float FTC (float); int main() … |
| | I need assistance in printing out a Quine. I googled it and stuff, but I didn't understand the code snippets I saw. Can anyone explain in a more lucid tone?  |
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