51,593 Topics
 | |
| | I am new to c++ and i advice for this particular assignment. I new to programming. The instruction is to use while loop for the two output process and for loop for the other 2 output. #include <iostream> #include <iomanip> #include <math.h> using namespace std; int main() { system("color 4"); … |
| | Can Someone help me regarding my C++ Assignments? I'll list the questions below: ASSIGNMENT 1 Assume the array in the following table represents the monthly rental price of six resort cabins over a five-year period. YEAR 2005 2006 2007 2008 2009 1 200 210 225 300 235 2 250 465 … |
| | Hello guys! I'm new at C++ (started yesterday) but I'm a fast learner and I think I got pretty far with this noob project! The only thing I need to do is to make C++ open my .txt file and the beta version of this application is done! By the … |
| | Hi everybody, I'm trying to make a strategy game using C++ ,a simple game, my objective is to improve my way in oop analysis, currently I don't have an idea on how to do many things in this game, but I think of making it my companion in learning the … |
| | Hey guys: I'm having trouble breaking out of a loop that takes input from a file. I can only break it if I make a code that specifies how many inputs there are and makes it stop when it reaches the max input. I think it has to do with … |
| | Hey, I was attempting to make a password protection system in windows API where someone can type the password in an editbox and if it is the right password, then continue the program else display an error message box. I've tried a bunch of different things but can't get one … |
| | [B] plz i wont soulotion of my questions by codes : where list is the node pointer for the whole double linked list how i can : 1- add a node after the node that has 30 2- delete a node at the beginning of the list 3- delete a …  |
| | i have made a opengl gui and would like to share it with the public. Please leave any comments, questions, or anything about this that you have and i will try and answer them. It has included examples and you install it like all of the other API's. Thanks. (Its … |
| | This is part of an assignment that I am doing. I have to create a Queue (FIFO) using templates. I have been able to create that and it works. There is one more part to this same assignment where I am unable to figure out how to proceed. Here is … |
| | [code] #include<iostream> using namespace std; class sample { static int i; public: sample() { cout<<"base:construcotr"<<endl; cout<<this<<endl; } ~sample() { cout<<"destructor"<<endl; cout<<this<<endl; } sample(const sample &s) { cout<<"copyconstructor"<<endl; cout<<this<<endl; } /* sample operator =(sample s) { cout<<"==operator called"<<endl; cout<<&s<<endl; return s; }*/ }; int sample::i=0; sample fun(sample x) { cout<<"hello"<<endl; cout<<&x<<endl; … |
| | I have an issue with this assignment, the instructor says that I use the brackets incorrectly that is why the program will not compile. Please provide feedback to correct program. #include <iostream> using namespace std; int main() { system("color 4"); restart: int number, ans; number = rand() % 100 + …  |
| | Hi guys...I am starting with Qt and I have problems with configuring it. It write: "Start C:/Apps/Qt/demo/demo.exe... This proccess could not be started !" I am using Qt Creator 1.2.1 on Win XP SP2. In code: [CODE] #include <QApplication> int main( int argv, char* argc[]) { QApplication demo(argv,argc); return demo.exec(); … |
| | OK, with some help from all of you, I have this working, but I am at a loss as to how to display the number of steps the user asks to show (if they say 10, then every tenth answer displays until the final one) and we need this to … |
 | Hi everyone, I'm trying to do my assignment, and in there, I'm supposed to use a nested class with which seems I'm facing a lot of difficulties. To make things easy to understand and debug, I made a small piece of code as follows: [CODE]class outter { public: int getID(); …  |
| | Hi everyone . I need to play an MP3 with a microcontroller , this project has 2 parts , one part for reading form the MMC and one part is sending the read bitstream to the decoder IC (VS1003) and i didnt do anything about reading the MMC , it … |
| | hi My random number function is meant to loop 6 times & output 6 different numbers. But instead it outputs 6 of the same numbers. How do I fix it? :) Any advice would be really helpful. [CODE=cplusplus] #include <iostream> #include <fstream> #include <cstdlib> #include <ctime> #include <iomanip> #include <string> …  |
| | I am attempting to alter a Blackjack game so that the game throws an exception and repopulates the deck when their are less than 3 cards per player. I am pretty sure I am on the right track but after 3 hours of trial and error I am still unable … |
 | Hello guys, I have loaded akrip32.dll and can get handle within a function, but cannot get it when calling the function in main() Please help me app.cpp [CODE=C++] #include <iostream> //testing function below //main application int main() { CDRip instance; DWORD ver = instance.GetVersion(); LPGETCDHAND cdhandle; HCDROM handle ; handle … |
| | So for my comsci assignment, I need to read in this text file with a butt load of messages. Here is what the text file looks like: [code] 1 R Jemma Harry What were you thinking? Harry, You seriously need to stop claiming your paperclip orders under the heading art … |
| | Hello I am making a function that reads a text file stores each line into a string array. My problem is I am getting errors with the function but I do not understand what I am doing wrong or how to fix it? Can you take a look & see … |
| | Hello friends ... I m student. I m thinking to make my career with C++ and/or JAVA. I know little bit about java career and jobs available in market, but i don't know much about C++ career. Is there good opportunities for C++ programmer in market?? Can i get good …  |
| | help please ok here is my code [ICODE]void sleep() { energy 100; happy + 20; strength - 1; bladder 70; age + (hour * 8); };[/ICODE] ok? all the varibles are preprocesser defined, you know #define energy 100. i have 2 file in this project main.cpp and Brandon.cpp, the funciton … |
| | Folks, I'm having some trouble with overloading the '<<' operator for a templated class. For example, given a very simple template class like this: [code] template<class T = double> class Real { T m_value; public: Real( T val = 0 ){ m_value = val; } T get() const { return … |
| | i wrote a code which should accept only two values, but it seems to accept any values instead. can some show me where i went wrong. sorry about the long code, still a newbie at this. double hr::change_r(double sr) //implementation from class section { dr = sr; if(sr == 17) … |
| | Hi again, My logic is not too good. I am supposed to get this function to be used twice for two different inputs calling the "strings" from within the function and returning the values to main (perhaps my mistake is attempting to call this program twice??? except that is what … |
| | 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. |
 | |
| | 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( …  |
| | Hi every one ; i need to change default printer settings,especially tray selection method . please help me.  |
| | 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 …  |
The End.