49,766 Topics
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| | HI!!!!!!!!! How can I find the index of same digit which is at diffrent postion in any given number(number can be of any length).... Like we have any number, suppose, 982625 How can we find the index of two 2s in this number......... I have made a form in which …  |
| | hi!!!!!!!!!!!!!! i m unable read fasta format file using c++.is threr any way to read 'em? |
| | Hi all, I have tried this several ways. I need to get the user function to return userIn1 to main. I don't need to read anything from the call to the function, but if I leave out paraneters, it really does not work. My original issue was that the string … |
| | Hi everyone! I'm totally new at C++ but quite good at Java. I know the syntax basics and that kind of stuff in C++ but when it comes to using .h files in my .ccp programs I'm totally on bare bottom. I use Dev-C++ 4.9.9.2 to compile my C++ programming. … |
 | What the diffrent bettween while looping, conter-controlled while loop, sentinel-controlled while loop,flag-controlled while loop, do while loop and For loop. when we use each one of them??? please, explean in detileas. thanx :) |
| | I am using MS VC++ '08, ad have run into a problem that stumps me : [code] void printtext(char **lotsoftext,int m,int n) { for(int i=0;i<n;i++) for(int j=0;j<m;j++) print(lotsoftext[i][j]); } [/code] The error is as follows : cannot convert parameter 1 from 'char' to 'const char *' How do i correctly … |
| | I made an IDictionary where each value is a user-defined class called employee, and the key is an integer (the employee's id number). Now, im using such a statement: [code=CPP] for each(employee^ de in globals::clientBase) { sr->WriteLine(de->employeeName); } [/code] but i get an error at runtime saying that they couldnt …  |
| | Hello, i have a problem constructing a regular expression to strip out puntuations from a document.Below is a simple example of my code [CODE=c++] # //headers here //... string a="kennedy .really-really. .cool"; string replace=" "; string newStr; boost::regex expression("[ ]+(\\.)|(\\.)[ ]+",boost::regex::icase); newStr=boost::regex_replace(a,expression,replace); cout << newStr << endl; //output kennedy really-really … |
| | The google references were a bit varied and ambiguos and my textbook ironically doesn't cover templates ._. if I were to make [code=c++]template <typename typ> class stk { public: stk(); ~stk(); private: struct STK { typ dat; STK *lnk; }; *chn; int ctr; }; [/code] do I have to do … |
| | consider this: float a=3.145698,b; que: now how can I assign b=3.14 using 'a' instead of 3.145698. pls help me... thank you very much.... |
| | OK so how can i have sscanf scan a string with an undetermined number of separators in it, then separate it out into separate strings inside a array of strings. So essentially, how can I modify this code to make it work? [CODE=c++] char * commands; //simple string as pointer … |
| | Hello all. I have some problems with compilation while working with WinApi. Here is the code: [code=c++]// include the basic windows header file #include <windows.h> #include <windowsx.h> // the WindowProc function prototype LRESULT CALLBACK WindowProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam); // the entry point for any Windows program … |
| | Hi guys, I have started to learn c++ yesterday, and now i have little problem due to lack of knowledge. I developed this simple code: [CODE]#include <cstdlib> #include <iostream> #include <winbgim.h> using namespace std; int main() { int gdriver = 9, gmode = 2; initgraph(&gdriver, &gmode, ""); setbkcolor(WHITE); setcolor(BLACK); cleardevice(); …  |
| | Now i learnt basic windows programming long time ago and now use dev-cpp,i can run the simple Hello World program in that,but don't know how or where to implement cout and if statements type programming ? [ICODE]#include <windows.h> LRESULT CALLBACK WindowProcedure (HWND, UINT, WPARAM, LPARAM); char szClassName[ ] = "WindowsApp"; …  |
| | I'm supposed to write a program that stores data about a soccer player in a structure: Players name, players number, points scored by the player. The program should keep an array of 12 structures. Each element for a differnet player on the team. When the program runs it should ask … |
| | I have successfully managed to write a program which generates a messagebox but there is one PROBLEM on previewing; instead of "\\n" going to newline it appears visible on the messagebox, when i try "\n" it doesnot work. Please help me. |
 | Hi, all I'm beginner in c++, and sure exercises important for any beginner, so i Google a lot about " c++ answered exercises ", and may be i can't search well, so if someone know any " c++ answered exercises " links, tell me please regards iammfa  |
| | Hello, me again. Sorry for asking such a silly question, but I need the consultation of you guys, experts in my sights. :D Well, basically, I've been fiddling around a lot with C++, looking at various tutorials at the internet, making simple programs such as Calculators, password-protected stuff which spit … |
| | Every time I try to execute my program I get an error:"The instruction at "0x00401585" refereced memory at "0x00000028".The memory could not be "read"". Pleas help me! I have linked -lagl -lalleg -luser32 -lgdi32 -lopengl32 -lglu32 I can't see the problem. :( [code=C++]#include <gl\gl.h> #include <GL\glu.h> #include <allegro.h> #include <alleggl.h> … |
| | i want to know how to access virtual table for a class this is my attempt to do so ........ [code] #include<iostream> using namespace std; class sample { public: virtual void fun(int q) { cout<<"fun"<<endl; } void g() { int *p=(int *)this; p=(int *)*p; p=(int *)*p; void ( sample::*pfun)(int); pfun=(void(sample::*)(int))p; …  |
| | I have a member variable wchar_t * _message; This array is allocated in the constructor, _message = new wchar_t [messageLength]; But when I try to free the memory with delete in by destructor, it crashes with a a HEAP CORRUPTION error. This my class: [code=c++] class ExampleZero { public: ExampleZero( …  |
| | Hey guys, I'm stuck on an assignment for school, was wondering if you could help me out. So I have a text file similar to this: [code] Joe Jim Hello Jim, Just wanted to say hello! -Jim EOF [/code] This is supposed to be like a message system. The first … |
| | [code=cplusplus]#include <iostream> #include <cmath> using namespace std; int main() { int a, result, factorial(a); { cout << "please enter a number "; cin >> a; cout << factorial(a); } for(a=1; a>0; a--) { factorial *=a; } return 0; }[/code] |
| | This program is supposed to ask the user for 2 numbers first, then print out a menu asking which operation they would like to perform on the number, then output the result. the problem is, there needs to be a function for getting the numbers, functions for each operator, and …  |
| | Hi everyone! I just want to have random numbers which are unique. For example I want 5 unique numbers for a lottery game I am trying to make, nothing special just a console game. I was thinking of using loops and dead long boolean algerbra lines of || (OR) and … |
| | Could anyone recommend some higher-level c++ programming classes that are either online, or local in Austin, TX, that a 16 year old can enroll in? All my school offers is basic java, and ive tried the University of Phoenix online, but 16 is below their enrollment age. |
| | Hello all!! Im a newbie when it comes to C++ and I am constructing a program that, a. reads a file called weatherdata.txt, that contains the type of weather, number of years, then the average data for the months(i did three years) b.The program displays the informations for the months … |
| | I'm trying to create a function that draws with the mouse using allegro. Here is the original code: [code=cplusplus]int SCREEN_WIDTH; int SCREEN_HEIGHT; BITMAP *buffer; int sandcol; int pthickness; int mx, my, mx2, my2; void ThickLine(BITMAP *bmp, int x, int y, int x_, int y_,int thickness, int color){ int dx = … |
| | Hi.. I'm a beginner and just study programming. I have to make some random number. I found many solution in this site, but does'nt seem to be like i want. Please see this [URL="http://lh6.ggpht.com/_T3iApStJb64/SnMJmXJd0WI/AAAAAAAAASM/z5jEJagUjz4/s144/sudoku.jpg"]screen shot[/URL]. I have to make some simple program like sudoku game. And must put random number … |
| | Hi, I've tried to output pointer in decimal but can't do it [code] int a = 10; int* p = &a; cout.unsetf(ios_base::hex); cout.unsetf(ios_base::oct); cout.unsetf(ios_base::dec); cout << showbase << dec << p << endl; [/code] it still shows this output in hexadecimal format. Any reason why this doesn't work. Thanks in … |
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