51,593 Topics
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| | Hey, I've got an assignment from my computer teacher in school. I've got to make a program that displays the prime numbers in a range and also display the number of prime numbers that are present. And i'm only supposed to use the basic header files.....that means the program should … |
 | Hi all, I have a question here :) Suppose I have a library in source code form (Let say [URL="http://tangentsoft.net/mysql++/"]mysql++[/URL]) and I have built it, and now I have the files (.h, .lib, .dll). How do I combine them in project? I use [URL="http://www.codeblocks.org"]code blocks[/URL] Why I ask? Because [URL="http://www.python.org"]Python[/URL] … |
| | Hi, I'm writing a class that controls Bitmap I/O. here's the working code: [CODE] #ifndef __linux__ #include <windows.h> #endif #include <stdio.h> // Our functions class FEN { int not_defined_yet; }; class fileBITMAP { public: BITMAPFILEHEADER file_header; BITMAPINFOHEADER info_header; RGBTRIPLE* image_data; fileBITMAP (int width, int height); int writetodisk(FILE* handle) { printf("writing … |
| | I need to enter 10 students names I did a loop but it does not work well [CODE]# include <iostream> # include <string> using namespace std; //functions prototype void avg (double& average); char grade(double& average); int main() { // String variable for the student's name string name; double theAverage = …  |
| | [CODE=C++]polynomial polynomial :: derivative(void) { polynomial outpoly; outpoly._coef = new double [_degree]; outpoly._degree = (_degree-1); for(int i=0; i<(_degree); i++) { outpoly._coef[i]=(i+1)*_coef[i+1]; } return outpoly; } //header: #pragma once #include <complex> #include <iostream> #include <string> #include <sstream> using namespace std; class polynomial { private: double * _coef; int _degree; public: // …  |
| | Hi, I heard that I can see how VC++ 6.0 converts my C++ code to assembly so I can rewrite it in assembly while removing useless junk. Could somebody tell me how this would be done? Well, guess ill just use ollydbg to see how my programs converted  |
| | I got it when trying to initialize my array of sprites (( the only one trowing me null is the sprite2D[] AllianceCharacters declaration: [CODE]sprite2D[] AllianceCharacters; static string Cardspath = Directory.GetCurrentDirectory() + "\\Content\\Cards"; string[] ActionBar = Directory.GetFiles(Cardspath + "\\ActionBar\\"); string[] Equips = Directory.GetFiles(Cardspath + "\\ActionBar\\Equips"); string[] CharactersAlliance = Directory.GetFiles(Cardspath + "\\Characters\\Alliance\\"); … |
| | quick description: f(n)=n/2 if even f(n)=3*n+1 if odd with given start value it can step back and forth between the two eqtns. Example: f(7)=22, f(22)=11, f(11)=34, f(34)=17 You enter two start values. first and last start value and the program should generate all values in between. With a given max … |
| | can anyone tell me why my output gives me - numbers? [code] #include <iostream> #include<iomanip> using namespace std; void getEmployeeData(int [ ], char [ ], int [ ], int); void displayEmployeeInfo (int [ ], char [ ], float [ ], int); float calculateGrossPay (char [ ], int [ ], float … |
| | Hello, This is what i need: I have a php file on my website ([url]http://example_site.com/php_file.php[/url]) ((and no, that isn't the actual site)) And i have some C++ knowledge. Now how can i get C++ to send a variable (eg: name) to my php file. ((Client -> Server)) I have no … |
| | Hello, i need help with a basic code issue, i ave posted the code [URL="http://turt2live.zxq.net/cpp/hoomin.html"]here[/URL] because it is too long to post... The issue occurs in this section of code: ...(more before) void getInput(int num){ char = one[1]; char = two[1]; char = three[1]; char = four[1]; ...(more after) saying … |
| | Hello everyone, pleased to be on the forum. I'm currently undertaking some game development in Visual Studio, in my spare time. I've been programming for a few months, in Java, and now am having a go at C#. I have however run into a little snag with lists. I'm trying … |
| | Write C++ program to do the following: • Define a Double Linked Lists EmpRank where the data should be of type integer. • Enter 10 Employee Ranks, where each rank should be inserted in EmpRank with respect to its value as ascending order its ordered • Print out the EmpRank …  |
| | So this is just the beginning of my questions, but I'm seriously having problems using classes in C++, I'm writing a program right now to plot points using asterisks on a 40 by 40 plain. right now I'm just trying to write the .h for the point class and i …  |
| | I'm confused with pointers. I'm not sure how to get the vowels to show up in Case A. Also, I would need help by how to get the program to run again after case A instead of ending the program after each case. Should it be in if/else statement instead … |
| | I have two vectors--one with the name of the class and one with the abbreviation of the class. The name of the class is in the same position of the abbreviation in the different vectors. I want to make it to where if I input "AERO" the output should be … |
| | I built a Visual Studio 2008 VC++ project, dialog based using HTML. In my HTML I have: [CODE] <form name="loadExcel"> Choose the file which contains the information:<br /> <input type="file" name="myFile" value="Search" id="myFileInput" /><br /> <input type="button" class="Upload" name="loadExcel" title="Import" id="loadExcelButton" /> </form> [/CODE] The user is supposed to browse … |
| | I am trying to print the corresponding Unicode character for alt+2 to the Windows console window. (the console doesn't display the character, but should display ^B instead) The following doesn't seem to work. Just prints "2". keybd_event(VK_MENU,0 ,0 , 0); //Alt Press Sleep(10); keybd_event(VK_NUMPAD2,0, 0 , 0); // 2 Press … |
| | So I am programming a heap sort and i am gettin pretty close to where i need to be, but I am having trouble in one of my functions when it heapifies my array. here is the code. [code] #include<iostream> using namespace std; class Heapsort { private: int *array; int … |
| | Is there any language or way to write a program that is about 10000 lines in such a way that it can't be re-engineered by decompiling it ? What options are available to pursue ? Thank you for your time.. |
| | Hello everyone, I have used the Vector2 Class which is implemented by my asst. , and I encountered a problem with initializing it. VS2008 kept saying I violate 0xC0000005 Error, and I counldn't find any reason for this. Is there anyone who can tell me what mistakes I have made? …  |
| | Hi all, I'm having a heck of a time with our latest assignment. I've tried everything I can possibly think if to make this work, but with no luck. We need to Load an inventory text file, sort it, search it(haven't even got to that portion of the code). I … |
| | Hello everyone i'm a new member , i need ur help with this code , i want to write a for loop that assigns the 3rd row of the array to 0,, and then print out the array after setting the 3rd row to 0. |
| | Hi there, I am trying to make a program, as shown below. I have used a snippet with hello and bye as the program is really very big. Unfortunately I am unable to edit these functions as they are all part of a complex linked list. I am trying to … |
| | I'm making a graph theory problem solver and basically I made a bunch of functions that will set up the graph and allow the user to modify the graph, but obviously these functions can only be called from the program. The user can't just type the function name and expect … |
| | Hi, Its my first project. I have to develop a c program which can balance a chemical equation by the method of 'Generalized matrix inverse method for balancing chemical equation and their stability'. But I am using a little different method. where I am not able to find complete step … |
| | The company that I work for just bought a Qt License, so we've been messing around with it. So far, it's really nice. I'm more of a Java guy, and it's made the transition from Java to C++ much easier. The only real problem I have with it now, is … |
| | Hello every1 I was making this program of a phone directory to store contacts and all their information in C. I made use of structure and then copied the data of the structure to a file. the structure is [code] struct phdata { char name[20],add[20]; int phno; }ph[20]; [/code] the … |
| | i have downloaded mhah library and i tried to include it in turbo c++ i copied the folder to the turbo c++ when i tried to run the c files in the library i found 5 errors cant able to include mutils/mincludes.h... mutils/mtypes.h... mutils/global.h... mutils/mhash.h... libdefs.h mutils folder is found … |
| | Hi, my name is Jonathan. I am 20 years old and I have just started getting into programming in the C++ language (you must get this alot). I do know a couple of programming languages already. Now before I waste your time let me just say that there is no … |
| | hi to all, I have design a Application that takes input from the Web cam or other video devices. and have to add some frames in the Live video and then display. i have study out the direct sdk , which provide the flexible enviornment. but i dont get the … |
| | I'm creating a media player with Qt & the phonon module: [CODE] #include "mainwindow.h" #include "ui_mainwindow.h" #include <fstream> #include <string.h> #include <stdlib.h> #include <QtGui> void MainWindow::slotFinished(){ int index = sources.indexOf(mediaObject->currentSource()) + 1; mediaObject->enqueue(sources.at(index)); setLabelNowPlaying(); } std::string ExtractFilename( const std::string& path ) { return path.substr( path.find_last_of( '/' ) +1 ); } … |
| | Problem Statement: File Handling in C/C++ On the basis of the given scenario create a file Expenses.txt, Open the file and copy into another Expenses2.txt, Also show output on screen A college has announced the total budget of 50,000Rs.for each game. Games are done four times in a year. Take … |
| | According the exercise, which makes us practice with vectors, i am supposed to write a program that allows the user to enter his/her favorite games, view them and remove any he likes. Obviously, to remove a piece of text, it has to be of the same case as the one … |
| | I am having an issue. I need to check whether the user enters a digit greater than 0. If so the user needs to be reprompted. If 23409932 is entered then the 0 entered should be caught and the proper messaage displayed. Here is my code and please somebody help. … |
 | How do I load 3D meshes from a .x file, and extract the material data from it? Also, how do I apply a texture to the loaded mesh? |
| | i keeps getting error i going to break my head to solve this problem =.= what i am doing is using the a[3][3] to minus 128 but seem i get the problem in minus [CODE]#include <iostream> #include <iomanip> #include <cmath> #include <cstdlib> using namespace std; double shifted_block(double array[3][3]); int main … |
| | I am working on writing a class to define an NxM matrix. A matrix should be printed in the form: [0 1 2] [3 4 5] [6 7 8] [CODE]private: //matrix class member variables unsigned int rows; unsigned int cols; float * data; // constructor matrix::matrix(int r, int c) { … |
| | [CODE] //////////////////////// /////counter.h file///// //////////////////////// #ifndef _COUNTER_H #define _COUNTER_H class Counter{ private: int counter; int limit; static int nCounters; public: Counter(int arg, int arg); void increment(); void decrement(); int getValue(); static int getNCounters(); }; #include "counter.cpp" #endif ////////////////////////// /////counter.cpp file///// ////////////////////////// #include <string> #include "counter.h" Counter::Counter(int a, int b){ counter=a; … |
| | Hi, The problem I am facing is that I don't understand the code mentioned in the following: [CODE]25: /******** this is the main thread's code */ 26: int main(int argc, char *argv[]) 27: { 28: int i; 29: int retvals[NTHREADS]; 30: 31: /* init retvals */ 32: for (i=0; i<NTHREADS; … |
| | In this code I want to have a function to show average of movies saw by students, how to define and declare and call it in this program: [CODE]#include <iostream> #include <iomanip> using namespace std; /****************Function Prototypes******************/ void displayList(int [], int); //function to display array void getAverage (int [], int); … |
| | Plz help me. I am unable to understand this problem statement. Can Plz someone help me? [B]Problem Statement: File Handling in C/C++[/B] On the basis of the given scenario create a file Expenses.txt, Open the file and copy into another Expenses2.txt, Also show output on screen A college has announced … |
| | How do I load 3D models that are in the .x format from DirectX 9? I am trying to make a simple engine and this is the part where I am stuck at. |
| | Hello all, I did this program below, it is meant to get a student name then 5 of his/her grades sums them up in a void function and calculate the average but outputs the average from the main the problem is that the loop goes on and prints the prompt … |
| | My question: What is the output of the code corresponding to the following pseudocode? [code=text] Set y = 0 For (i = 0; i<=6; i=i+3) For (j = 0; j<=15; j=j+5) Set y = y + 1; End For (j) End For (i) Output y [/code] This is what I … |
| | // I am new to C++ and can not seem to get the falling man to output to the screen. Any help would be greatly appreciated. [code] #include <iostream> #include <windows.h> using namespace std; void DrawBar(char guess); int main() { char solution[8]; //holds solution char blank[8]; //holds "*"'s for unsolved … |
| | I just want to know what does the below mentioned function means? [CODE][COLOR="Green"]void swap(char& a, char& b)[/COLOR][/CODE] |
 | I am probably well on the wrong path with this one which is why I can't get the program to compile in the slightest. The assignment instructions are : [quote]The Frozen Tongue Ice Cream Shop sells six flavors of ice cream: chocolate, vanilla, strawberry, mint, rocky road, and mocha. The … |
| | Hello all, I'm trying to parse a file, but for some reason, getline is combining my two letter words with other words. Here is the portion of code I'm working with: [B]note[/B]: my program will always ignore the first word in a line [CODE] char line[256]; string word; char *line2=new … |
| | here is my codes basicallysorting works but now i have to set a counter to display out the contents of array1 and array2 each pass of the sort. the problem is where to put that counter???? [CODE]#include <iostream> #include <iomanip> using namespace std; // Function prototypes void showArray1(int [], int); … |
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