49,766 Topics
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| | Hi, I am working on this code: [CODE]#include <iostream> using namespace std; send(to, from, count) { register int *to, *from; register int count; { register n=(count+7)/8; switch(count%8){ case 0: do{ *to++ = *from++; case 7: *to++ = *from++; case 6: *to++ = *from++; case 5: *to++ = *from++; case 4: … |
| | Im trying to read from a file using classes and objects. i keep getting this error [CODE]main.cpp:16: error: no matching function for call to ‘Game::fillGame()’ Game.h:41: note: candidates are: bool Game::fillGame(std::ifstream&)[/CODE] here is code that goes with the error [CODE] //Game.h bool fillGame(ifstream & din); [/CODE] [CODE] //Game.cpp #include<iostream> #include …  |
| | [CODE] #include <iostream> #include <vector> #include <algorithm> using namespace std; class A { public : void getData(vector< A > &); void putData(vector< A > &); private : int x; char name[90]; }; vector< A > v; void A :: getData(vector< A > &Aref) { cout << "id = "; cin … |
| | Hi, I'm a beginner programmer and I have an assignement of making the radix sort! My plan is to make a helper function that will return the place value of a number. (for example, if the number is 127, then the function will return either a 1, 2 or 7) … |
| | Hey guys! I'm trying to write a program that involves a switch/case on Microsoft Visual Studion 2010. Unfortunately, some of my variables are not being initialized. I am a very novie programmer so please have mercy on me! Two of my options (1,4) are working but options (2,3) are not. … |
| | Hey everyone, I'm new at visual c++ and MFC Applications, and so I am going through Ivor Horton's Beginning Visual C++ 2010 to make a drawing application through Microsoft Foundation Class. I added menu bars for options, such as shape(rectangle, line, and ellipse) and select colors (black, red, blue green). … |
| | Hey everyone! I was recently assigned this program in class and have only finished about half the work but am already very confused. I was just hoping that some of you could give it a shot and share what kind of code you came up with. Well here it is …  |
| | I keep getting an output of zero, I don't know what's wrong.. #include <iostream> using namespace std; double determineCommissionRate(double totalCommission, double totalSales); double determineBasePay(double basePay, double yearsWorked); int main() { double yearsWorked, totalSales, totalPay, totalCommission, basePay; cout << "Please enter the number of years you have worked at this company" … |
| | Hello, I have a line on my image and i want to find the maximim grey-level value on that line . so i need to scan the line and pick the pixel with the highest value how can I do this? should I calculat the gradient magnitude ? Thanks in … |
| | Local * pLocal = *(Local**)0xE6EB54; // valid How would u interpret these in english i understand it has to do with a pointer to a double pointer? Local * pLocal = (Local**)0xE6EB54; // not sure if this is even valid if the above is valid as well how would u …  |
| | What are the most useful keyboard shortcuts for visual c++ 2008? |
| | I am doing a program involving an unsorted list of names that I have to turn form Firstname Lastname into Lastname, Firstname. So I wrote the main program, and my instructor told me that under my getList function, to retrieve the data just do data >> first and data >> … |
| | Hi, i need to write a code which can convert a raw image to anyother desired format like BMP or JPEG etc. |
 | n windows I used GDI+ to capture a region of the screen. Is there something similar for linux? I want to do ScreenCapture(Top, Left, Width, Height); and save it to a file (png or something). What's the easiest way to do this? Thanks, Dave |
| | I am learning C/C++/oracle/Unix? I am thinking of developing some application on my own, but I have no Idea what else is required. If you take an example of C++.I have very basic knowledge of it(data types, oops concepts,vectors,file handling,exception handling etc) I am not an expert though. I have … |
| | I'm making a project in c + +. I am now creating help, so if you push a button or F1. but I do not know how to make this. can someone help me Thanks in advance jongen joeri |
| | [CODE]#include <iostream> #include <string> #include <cstdlib> #include <ctime> using namespace std; void displayCardFace(int value)// gives 10 value cards a face to make gameplay more realistic { if ((value >= 2) && (value <=10)) cout << value; else if (value == 1) cout << "Ace"; else if (value == 11) cout … |
| | Hello. I have been programming for a while now and am ok but for some reason i can never figure out weather or not to do something like this [CODE] code * c; c->something(); [/CODE] or [CODE] code c; c.something(); [/CODE] no where has explained that to me, but ive …  |
| | I am trying to move a ball using time. What do I need to know to move the ball? How can I move the ball 20 pixel per second? [CODE]#include <allegro.h> int ballx = 320; int bally = 240; void ball(){ if(key[KEY_RIGHT]){ } else if(key[KEY_LEFT]) { } acquire_screen(); circlefill(screen,ballx,bally,5,makecol(255,255,255)); release_screen(); … |
 | OK I figured after looking at some of my top down style original application that I wanted to make it a bit more classy, and organized as well as simply just use a class to both keep familiar and give me dynamic options. I have ran into problems and cannot … |
| | So ive been trying to figure this out on my own and searching the books and the net and still no success. Can anyone give me some input with this thing. [code=php] #pragma once #include<iostream> #include<cstring> using namespace std; class hugeint{ friend ostream &operator<<(ostream &, const hugeint &); public: hugeint(long … |
| | [COLOR="Red"][B]//This is the main file[/B][/COLOR] [CODE]#include<iostream> #include<fstream> #include<string> #include "Books.h" #include"account.h" using namespace std; int main() { cout << "\tWelcome\t" <<endl; cout << "1-Login" <<endl; cout << "2-Register" <<endl; cout << "3-exit" <<endl; cout << "Please enter a choice: "; cin >> choice; switch (choice){ case 1: system ("cls"); cout … |
| | Hi people, I am a C4 Quadriplegic I use WiViK 3.1 desktop keyboard with word prediction called wordQ but I keep getting the same error. I have reinstalled it many times, I have up to date antivirus and spyware. [URL="http://www.wivik.com/description.html"]http://www.wivik.com/description.html[/URL] I host and design websites but know nothing about C++ … |
| | Dear friends; I write a stack template, the head file and the main are as follows; but when i test the push function, it give me the following error. i do not understand the reason. could you please help me out. 1>f:\computation\datastructure\stack template\stack template\main.cpp(31) : error C2664: 'Stack<T>::push' : cannot … |
| | I've been tasked with reading in multiple emails that are stored in a single archive file and then scanning it to find certain things. My problem now is that I seem to only be reading in the first of the many individual files stored in the single archive. The "archive" … |
| | Newton’s Law says that the force, F, between two bodies of masses M1 and M2 is given by f=k(m1,m2/d^2) Where k is the gravitational constant and d is the distance between the bodies. The value of k is approximately 6.67 x 10-8 dyn.cm2/g2. Write a program that prompts the user …  |
| | I can't make my array work. I have never encountered this error before and I am a beginner programmer, this is my homework assignment. Please help! I really don't understand/know a lot of terminology, so it would be most helpful if you showed me how to change my errors. Thank … |
| | Hello! I'm just starting out with makefiles, and I'm doing something using SDL (it's a cross-platform window manager). For this project, I want to incorporate a makefile into it, but I don't know what to do. The tutorials for SDL say to compile the program, use this command: [CODE]g++ sdltest.cpp … |
| | Hi everyone, I am trying to create Tag Extractor which is much like Twitter's Trending topics or Google's Top searchwords. Input file consists of a collection of some 3000 tweets. Problem 1: I am using "Qt" as the front end.(Entirely newbie to qt). Using two "List View" controls. one loads … |
| | Hi, I am writing a piece of code for a student database. I have one abstract base class named student and three classes (physics student, biology student and chemistry student) derived from student. I want to overload the insertion operator (<<) so that at some point in main I can … |
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