51,593 Topics
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| | please visit the following link: http://www.techgig.com/codecontest/problem/Rolling-Dices-36 click on participate and please see the code editor on the right side. In the code skeleton there, you can see a function with taking two arguments,both character arrays. I know a method to solve this problem if both the arrays were integer arrays. …  |
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 | Hey! i've been trying to create a header file using dev C++ but i'm stuck with sum errors. Can anyone help me out in this? #ifndef SUM_H #define SUM_H template <class T> class add { private: const T a,b; public: T sum(T,T); void displaysum(); }; template <class T> T add::sum(T …  |
| | Hi, I have a homework to do for college, which asks me to write a pascal lexical analizer in C. I'm trying to figure out the best way to ignore the comments, so far I've written this code, which works, but I would like to know if there is an … |
| | Recently i saw this code on the net and i have some questions taht i dun understand. Hope some1 can help to ans. #include <iostream> #include <stdlib.h> #include <time.h> #include <string.h> using namespace std; struct combos { char key[3]; char holder[3]; }; void displayBoard(); //display board void computerMove(); //AI;s Move … |
| | Creating a simply data base to store these variavles. The three entities are book, brower and Records. Using these we will create a simple database from dev c++. |
 | A really rooky question here but I'm still trying to understand something. If I'm using WXWidgets I assume the purpose of the GUI is to provide a trigger point from where I can process event s via the event loop. I basically create the gui as I want it and … |
| | Hello I am an beginner programmer in: Java,C++,C i was wondering if anyone could help me make a online language conversion tool that can convert from java into C++ Any help will be appreciated |
| | in the following code how does the compiler comes to know that it has to call the postfix function class Digit { private: int m_nDigit; public: Digit(int nDigit=0) { m_nDigit = nDigit; } Digit& operator++(); // prefix Digit& operator--(); // prefix Digit operator++(int); // postfix Digit operator--(int); // postfix int … |
 | Hi! I understand almost all basic theory in C++ (including templates, inheritance, STL etc.) and I'd like to start understanding C++ in Windows, specifically stuff related to memory, calls, hooks, stuff like that. I don't visualize what do I want to do exactly (probably that's why I'm asking here) but …  |
| | I came up with a bit of code that I think will theoretically factor any given integer within the range of integers. I'm posting this thread to ask two questions: First, is there any way that I can do this more efficiently, and second, what is the easiest way to … |
| | Hi there, I'm fairly new to this C++ thing so I hope you can help. I'm writing a program that prints out the coordinates of atoms in a simulation box (30x30x30). I have a fair few header and .cpp files so I'll only paste the bits that are faulty. I …  |
 | My question is basically if I have a 4D vector like _declspec(align(16)) class Vec4 { float x; float y; float z; float w; } and I want to use operators like `Vec4 a(Vector4.One),b(Vector4.One),c(Vector4.Zero);` `c = a + b; //Creates a 4th Vector4 here that is wasted` It would seem it …  |
| | What is it : A simple logic (text based) game, in which you are required to identify the counterfeit coin within 3 chances. How it works : You are given 'x' coins ( best is to play it with 12 coins ). You are asked how many coins you want …  |
| | a small video editing Application using the core of GIMP and Audacity.... libraries that will embed GTk+ and wxWidgets... Which one will you go for?... I am fairly proefficient with Qt |
| | After I implement the following function: void List::insert(int index, const ListItemType& newItem) throw(ListIndexOutOfRangeException, ListException) { int newLength = getLength() + 1; if ((index < 1) || (index > newLength)) throw ListIndexOutOfRangeException( "ListIndexOutOfRangeException: insert index out of range"); else { try { ListNode *newPtr = new ListNode; size = newLength; newPtr->name …  |
| | Good day Gentl'men! Is there a way in c++ to convert a string variable that holds time of format like "17:30" to time_t variable? Lets say!: #include<iostream> #include<ctime> using namespace std; int main() { time_t timein,timeout; float timediff; string stimein,stimeout; cout<<"Enter time-in: "; cin>>stimein; cout<<"Enter time-out: "; cin>>stimeout; //convertion from … |
 | At the moment I have one question about vectors but I want to leave this open ended so if I obtain more questions I can come back here. So I was looking at different containers for a player inventory that can be dynamically changed on the fly due to events … |
| | As I describled,I want to use the macro TRACE in conventional chracter-mode programming. When I try directly using the command TRACE(...),I encounted a mistake tips which says that TRACE ,identifier not found. So,what should I do to solve this problem? |
 | Hello, having a weird problem and wondering if someone can help me.. Basically, I'm trying to read in a .wav file, and I have read in the header information and that's all fine, it's just the data.. Here is the code: bool Wav::readHeader(ifstream &file) { file.read(this->chunkId, 4); file.read(reinterpret_cast<char*>(&this->chunkSize), 4); file.read(this->format, … |
| | i want the ** Visual C++ 2010 Tutorial as i am the beginner and want to learn coding in visual C++ 2010 free. |
 | I've read that one should use cin.get() instead of system("pause"). Why is that? |
 | This is my program: using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace CountryCurrency { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void rdbRupees_Click(object sender, EventArgs e) { if (rdbIndia.Checked == true) MessageBox.Show("You are right"); else … |
| | Hey guys, thx for the time you spent clicking here :D My question is simple enough. Let me give a basic example though: char a1[]="ok"; char a2[]="yes"; char a3[]="right"; for (int n=1;n<=3;n++;) cout << a<n>; Is there some way to make this concept work? Any help much appreciated! |
| | How to get the **Sine** and **Cosine** of an **inputed** number by the user? |
| | Ok, I am confused by this. I am doing a school project on i/o with an address database. The professor gave us a template to work with, which saved me a few minutes. The problem is I can enter information to the txt file fine. When I attempted to read … |
| | A while back i wanted to develop an application that calculated the integral of any polynomial that was input but I felt it was lacking the capability to to find more complex polynomials such as: > (x^2+x)/(x^2+x^3) Unfortunately my attempts at implementing a numerator and denominator as part of the … |
| | just like java has sun microsystem certification exam what is for c certification? |
| | Would anyone know of a C++ report generator which can be compiled as part of a C++ Applicaiton? Is this how report generators generally work or are they largely standalone applicaitons? Thanks danny2000 |
| | Write a C++ program that calculates and displays the yearly amount available if RM1000 is invested in a bank account for 10 years. Your program should display the amounts available for interest rates from 6 to 12%, inclusive, in 1% increments. Use a nested loop, with outer loop having a … |
| | Good day! I have this code that is assume to get the difference in time. Is it possible to get the difference of from a string time variable? Or, whats the best way to implement this? #include<iostream> using namespace std; int main() string timediff, timein, timeout; cout<<"Enter player time-in between … |
 | Hi All, I'm handling a code which is having signed decimal values(eg: -123.456)stored in a cheracter string.While performing numeric calculations on this field, need to check whether all digit is numeric.Can anyone help me. Your co-operation greatly appreciated. NB: There is strict instruction to store these values in char string.Not … |
| | Here's my code: #include<stdio.h> #include<conio.h> int main(void) { int a[100][100]; /* initializing matrices to '0' */ int b[100][100]; int c[100][100]; /*matrix-c for multiplication*/ /*r1,c1 are rows and coloumns for matrix-a.r2,c2 for matrix-b.*/ int r1,c1,r2,c2; int i,j,k; clrscr(); printf("enter the no of ROWS and COLOUMNS for MATRIX-A\n"); scanf("%d %d",&r1,&c1); printf("enter the …  |
 | Hi, To program does anyone has a good guid to learn C + +, especially to be able to programm games later (AI). I already know the basics of Java is that usefull or have I to start from beginning? best regards |
| | what programming language can i use so that i make my files on a cd not to be copied?(ie.copy protect?).please help |
| | My Borland C++ vresion 3.1 isn't working. It works with simpler codes, but it doesn't works with graphics and animations. Is there any settings that will make Borland work? I'm using Windows 7 but the same happened with Vista and XP also, so help? Please? Thank you all!!!  |
 | I decided to get rid of windows xp and switch over to Ubuntu entirely. In order to do so I had to uninstall XP and Ubuntu so I could start over on my computer. I did this, and everything has been working better. Except for the most important part: my … |
| | I have two classes. One main Game class and an Entity class that needs to point to the Game class so it can call its various functions # Entity.h # class Game; class Entity { public: Entity(Game *game); ~Entity(void); void Draw(float dt); void Update(float dt); protected: Game *m_game; // Missing … |
| | Assumption: 32-bit Machine. Here I am going to explain How Virtual table, Virtual pointer for Virtual functions are internally working. First we have understand memory layout. Example 1: How the class's memory layout Code: cpp [code=cpp] class Test { public: int data1; int data2; int fun1(); }; int main() { … |
| | hey, i've been trying to insert the element in the linked list, but I don't understand why the element is inserted at some other position i.e. it is not inserted at the position which i pass. is there any error in the insert function? template <class T> void insert ( … |
 | Hi there, I’m fairly new a c++ and am having trouble figuring out how to use a returned function variable. Here’s my code #include "stdafx.h" #include <stdlib.h> #include <iostream> #include <fstream> #include <sstream> #include <string> #include <vector> #include <algorithm> #include <iterator> using namespace std; std::string OMPS (char const* path) { … |
 | Hi all! This is w.r.t the thread [How to make my C++ program executable on other computers](http://www.daniweb.com/software-development/cpp/threads/431194/how-to-make-my-c-program-executable-on-other-computers) I didn't want to continue the discussion there, so i created the new thread. I had faced the same problems in the past. I needed some clarification on the following: 1)`The option shown … |
| | Good day! I have this class for Players: #include<iostream> using namespace std; class Players { public: char Level[2]; float SetPower(); }; Players Pl, float Players::SetPower() { switch(Pl.Level) { case '1': return 5000; break; ......... } } int main() { Pl.Level='1'; cout<<"Your current Power is: "<<Pl.SetPower()<<endl; system("pause"); return 0; } Now … |
| | how to edit textbox in visual c++ 2010,windows form application? please any one give me a perfect solution by details and it will be bater if you provode me tutorial link. thanks Rishad1418 [email snipped] |
| | Hey there! I just want some hints for some program I'm trying to make. Say we have a 1GB file full of 0 and 1. What I want to do is to find the patterns of them and rank them. It wouldn't seem so complex if I had to deal … |
| | Hi there I have a question about pointers, i have a functions that takes a path to a txt file, extracts whats in it into an array and returns the array. As i understand it you can't actually pass the array, you have to return the pointer to the array … |
 | Hey Everybody, Allright my setting is like this: I created a derived MVC program using C++ and QT on Visual Studio 2008, that sends multiple instructions to our ERP system through an external program... On each command posted this way the user application needs to wait for a return string … |
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| | I am writing a c++ program using MPI and I have been having trouble passing a array with send and receive. What I have so in my code(sorry if it is a messy(its almost 4am and i am very tired) /* * File: main.cpp * Author: Melissa * * Created … |
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