49,761 Topics
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| | Hello guys, Firstly I want to apologize If I ask something silly, but I have just started learning C++, and I really don't know much. As a practice I have a challenge of writing a matrix in a file, and then reading the information (numbers) from it, and in the … |
| | Could someone help me. I don't know why i get a stack corruption . Here is my program: [CODE]#include<iostream> #include <fstream> #include<conio.h> #include <string> #include "aes.h" using namespace std; int main(int argc, char **argv) { unsigned char key32[32]; unsigned char iv[16]; unsigned char* inbuf=new unsigned char[128]; unsigned char** intext=new unsigned … |
| | Hi folks! My friend just asked me to code a program which detects ellipses of an image. The images he will use with this program have 2 different kinds of pixel values - black (0) & white (255). So I researched a bit and found an algorithm for ellipse detection … |
| | [CODE] #include <iostream> #include <ctime> #include <cstdlib> #include <string> #include <algorithm> using namespace std; // Functions int instructions(); int game(); //Types and Arrays string word[] = {"GOLDFISH", "COMPUTER", "ANONYMOUS", "JACKET", "SHARP", "SERVICE", "EFFORT", "CHARACTER", "CHANGE", "WITHOUT", "PRODUCT", "UNFOLDS", "MUSIC", "MOMENT", "LIFETIME", "PROVIDE"}; char guess[50]; char inst[50]; int main() { cout …  |
| | I am having troube getting this program to compile. I have been on it for the past 5 days and starting to feel burn out. maybe an extra set of eyes can point me in the right direction of what i'm doing wrong. The error messages i'm getting are: expected … |
| | What's wrong with this code.... //templates #include<iostream> using namespace std; template <class t> t max (t w,t x) [B][COLOR="Red"]--->here i get no error if I use &w and &x in place of w and x...[/COLOR][/B]{ if(w>x) return w; else if(w!=x) return x; } int main() { int a=10,b=343,c; c=max(a,b); cout<<"Max="<<c; … |
| | I have an assignment where I really have no idea how to even begin. It is as follows: •Create a destructor that prints a message before exiting. •Create a new function called void incrementMinutes( Time &, const int ); That increments the minutes by count. • create a member function … |
| | Hello, I made the following code based on the following physics problem: "A sphere of metal has a radius of 6.7 cm and a density of 9.27 g/cm^3. What's the mass of the sphere?". The program runs error-free, except that it gives me a result (mass) of 8758.99 grams. The … |
| | How would I convert a string to an integer? I found a method online, but I don't really know how it works. The method is subtracting the character '0' from the character. Supposedly, this makes it an array, but I do not know why. Can anyone explain why? And are … |
| | Hey, I am starting to work with SDL and I had it all set up correctly etc. The thing that does not seem to be working correctly is the SDL_ttf. Now, As far as I am aware, linux builds don't use truetype, which is why I am at a loss … |
| | Hi friends, I need very urgent Turkish-English dictionary program code (university project) Would help please. |
 | I am making a screensaver and it won't build! The error I get is "undefined reference to '_SDL_main'. Here is my code: [CODE]#include <windows.h> #include <scrnsave.h> BOOL WINAPI ScreenSaverConfigureDialog(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam) { system("TMXDB.exe"); return true; } BOOL WINAPI RegisterDialogClasses(HANDLE hmodule) { return true; } int … |
| | In my project I tried to use boost RNG in such manner [CODE] inline int rand(const int m){ uniform_smallint<> us(0,m-1); variate_generator<rnggen_t&,uniform_smallint<> > vg(rng,us); return vg(); }[/CODE] where rnggen_t is type of random number generator (rng). But using this (for every generator) instead of rand()%m, is slowing my program at least … |
| | Is there a way to detour a class method to a static function by passing the implicit "this" manually? I'm specifically trying to detour endscene, i've done it with a class member, and writing the address to the new class member into the vtable, but i'm trying to see if … |
| | I have typed the following program from [I]Learning OpenCV[/I] book: [CODE] #include "highgui.h" int main(int argc, char *argv[]) { IplImage *img = cvLoadImage(argv[1]); cvNamedWindow("Example1", CV_WINDOW_AUTOSIZE); cvShowImage("Example1", img); cvWaitKey(0); cvReleaseImage(&img); cvDestroyWindow("Example1"); } [/CODE] When I try to build it using `Eclipse CDT`, I get the following (Any ideas?): [CODE] **** Build … |
| | I would like to be able convert one format to another(not immediately but eventually),know how to use tree and hash tables and linked lists properly using classes. I want to be able to do a basic graphic user interface and use pointers well. I've heard of the following books: Exceptional …  |
| | Hi whenever I compile my program, I am getting this as a a error. well.cpp: In function âvoid printmaze(CELL (*)[20], std::string)â: well.cpp:234: error: a function-definition is not allowed here before â{â token well.cpp:416: error: expected `}' at end of input well.cpp:416: error: expected `}' at end of input well.cpp:416: error: … |
| | Here is my piece of code: [CODE] int b[2][2] = { {4,6}, {-3,0} }; int b_length = (sizeof b)/sizeof(int); int *sub_b = b[1];[/CODE] b_length will have the length of 2-D array b (4, in this case). now sub_b is the sub-array of b at row 1, which is {-3,0} Is … |
| | Hi, i'm a newbie, and i have a trouble with a program. The program doesn't work as i desire. This is a little fragment of my program: [code=c] //Requesting data from users. cout<<"\n\nEnter your last name:\n\t"; getline(cin,flast); cout<<"\nEnter your mother's maiden last name:\n\t"; getline(cin,mlast); cout<<"\nEnter your first name:\n\t"; getline(cin,name); [/code] …  |
| | Hi All. I have developed a cgi script in C/C++ to dynamically create PDF forms with data filled in from an Oracle database. To do this I used PDFlib (version 7.0.1). The submit button on the form submits a FDF file to the server where it is saved via another … |
| | I am finishing up a program and have a few issues. I get the following error twice in the program... error C2664: 'CreateFileW' : cannot convert parameter 1 from 'char *' to 'LPCWSTR' 1> Types pointed to are unrelated; conversion requires reinterpret_cast, C-style cast or function-style cast Can someone please … |
 | Hi, I am doing a C++ self-study and I got stuck with this problem. I want to have a code that asks the suer to enter two numbers and then it lists the numbers between these two numbers. It has also to print a message if these two numbers are … |
| | ı have problem with this program because ı want cin>> number; int count[number]={0}; ... .. .. for ( ............ ) count[b]=count[b] +1; ı could not such a segment in my program. my aim is that for each entered number , ı will count something ı want to learn this. devc++ … |
| | Hello I need some help as to the limitations or flexibility of header files. I have written a code that updates a base folder when it is compared to its newer version. I have hit on a roadblock though. If a new file is added to the folder, the program …  |
| | Hi everybody, i cant seem to make my program to pass the first user input. I know i have to put it inside a do while loop, but everyone of my attempts results in an infinite loop. I'm also aware that i should use a bool to make it work, … |
| | Hi, I am doing Question 4 of the Project Euler puzzles. I wrote some code which is supposed to find the biggest palindrome from the product of 2 numbers. However, this always prints out 900099. I cannot really find any errors in this code, but if you do, please let … |
| | How do you pass an unknown object into a function and save it? I'm trying to have a set and get function in a class I'm creating that can hold and return any object. Here are my attempts so far: [CODE] void* holder; void setHolder(void* object) { holder = object; … |
| | #1. Add functionality to store the guesses the user makes in an array up to a maximum number of guesses stored in a constant. #2. Display the list of guesses after the correct guess has been made. #3. The list will be stored in an array of objects from a … |
| | Hello.. I have a bit of a situation here. I am trying to work with OpenSG. I downloaded the package and installed it as it was instructed in the INSTALL file. Then i installed its system dependent libraries as well. Now i tried to build its tutorial and it shows … |
| | Can I ask what the programing languege used in iOS? I heard it was Xcode but I'm not 100% what that is, lol if anyone can give me a hand it would be great. Also (and I know this is kind of a supid queston) can you use and C++ …  |
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