51,593 Topics
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| | Hello, This is my program here...I want to make it read from a textfile and displayed in this way Number : 1 Roman Numeral : I Number : 2 Roman Numeral : II My textfile is in this form: 1 2 but i still unable to solve it...is something to …  |
| | Hi , I have a stl list which stores my base class pointer .Like [CODE]list<BaseClass*> eBList;[/CODE] now i want to iterate through this list and store it in one local variable. how do i do this. i have shown below the code i tried .... But at one part it … |
 | I'm probably just confusing myself, but what the basic idea is I put in a grade and it outputs if the grade is an f, c, d ... etc. It allows me to enter a number and after I enter it it will continue to show F! repetitively. After this … |
| | How to add keyboard shortcuts to Menu in an SDI application? Some of the things that i have tried is : say Context menu has a sub menu called Menu1 , i have mentioned it as &Menu1 which makes Ctrl + M as keyboard short cut for it [ but … |
| | Hello everyone I am trying to do this assignment in the book: Write a program that reads four words (as character strings) and display them in increasing and decreasing alphabetical sequence. I have done the 1st (easy) part but not sure how to go about displaying words in alphabetical order. … |
| | [CODE]#include <iostream> #include <fstream> #include <string> #include <iomanip> using namespace std; int main () { ifstream fin("program4.txt"); ofstream fout("output4.txt"); string lastName; string firstName; string fournumbers; if(fin.fail()) { cerr << "Unable to open input file\n"; exit(2); } if(fout.fail()) { cerr << "Unable to open output file\n"; exit(3); } while (fin >> … |
| | To pass an ifstream type as an argument for a function? [code]bool initGame(Game &game, int argc, char *argv[]){ ifstream board(argv[1]); // <------------------- This part ifstream deck(argv[2]); int numPlayers= atoi(argv[3]); int numRounds= atoi(argv[4]); if (board.fail() || deck.fail() || numPlayers==0 || MAXPLAYERS < numPlayers || numRounds < 1 || numRounds > 1000 … |
| | 7. Given the class definition [code=cplusplus] class A { public: //constructors // other members private: int x; int y; }; [/code] Give declarations of operator functions for each of the following ways to overload operator+ you must state where the declaration goes, whether within the class in the public or …  |
| | so ive created a function that replaces all user input characters in a string with another specific user input character..the next task is to create a func that replaces a particular part of the string with a substring and ive got something down but i cant really test it becuz … |
| | How is it possible to get a menu where you rightclick on the Form ? I am not sure if this is the contextmenu. I tried to add this to the Form and also some components to it but that did however not work. |
| | hey everyone. i'm fairly new to programming and right now i'm taking a clss where i have no idea what is going on but anyway if someone can help me write a small simple code for a small simple program where i hav to use transducer i can paypal you. …  |
| | If I have a bunch of structures defined within a class header file but outside the scope of the class how would I set a SETTER function to change the values. [code] struct VoltageValues { float Vcc; int TblkLoopEnb; double Blah; }; class TblkArray { public: TblkArray(); ~TblkArray(); struct VoltageValues … |
| | Hi, I am new to C++ and trying to write a function that returns a pointer to a structure. I have a header file as follows. [code=cplusplus] class Blah { public: struct Values *getValues(); struct Values { int A; int B double C; } } My class file is as …  |
| | I wrote the following program with the instructions in the top comments: ( I am using visual studio on vista) [code=cplusplus] #include <iostream> using namespace std; int main() { int num1, num2; int total = 0; cout << "Please enter an integer between 0 and 100: "; cin >> num1; … |
| | Hi, I'm doing a program that has a class called Liga. That class has a vector with 'Equipa's. Liga has a vector called 'pessoas' which I want to access inside a function in each Equipa, is this possible? for example: Liga.h [CODE]... vector<Pessoa*> pessoas; ...[/CODE] Equipa.cpp [CODE]... void Equipa::mostraStaff() { … |
| | If in a class method I pass in a list: std::list< regmatch_t* >& pm_list; and dynamically allocate memory for an array (of type regmatch_t) which is then added to the list as a pointer: regmatch_t* pm = new regmatch_t[ num_subexpressions ]; pm_list.push_back( pm ); will the list destructor automatically deallocate …  |
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| | I have to take the following code and make it tail recursive. I am not looking for the answer, but how to find the answer. How to work through this to understand what I need to do. Our hint is that we can change the parmeters of the function, like … |
| | FIXED - I'm getting a parse error somewhere in this section of code before the else and I can't see it. Please help someone. [B]NEED HELP HERE -[/B] Okay, I'm apparently getting a parse error somewhere in this code. Any help? All the errors are listed as "Parse error before … |
| | Hey, it's me again. This time with a thing that has been bugging me for months and i still haven't gotten around to solving it. I need to install a font without rebooting the computer. Sounds simple but i have to do it in code or with a batch file, … |
| | Is there a way to #define something as a #warning? I tried using the following code, but it gives me an error: 'warning' undeclared (first use this function) This is the part of code where the error appears: [code=c++] #define something #warning This is not a standard function! int main(void) …  |
| | Hello i have a project to write a program that takes 2 binomials from a text file then factor them and output it into another text file. I'm curious on how to begin going about this do i take the 2 binomials such as (x+5)(x+9) and put them in a … |
| | I am using getfilepathname() to get the path of a particular file. but it returns the path of the project. i am using findfirstfile() and findnextfile() to get the handles, but still it doesnot show the directory in which handle is present... can any one help me on this issue … |
| | I have the whole code written for what I want to do, but the only problem is, on my Daily_Average function, I want to print the average of the scores occurring Day 3, but I'm getting average of ALL scores together as one. Here is an example of the scores … |
| | this is my program i am getting a error while compiling it can someone help me... error is ----- Build started: Project: paddy, Configuration: Debug Win32 ------ Compiling... manager.cpp c:\documents and settings\others\my documents\visual studio 2005\projects\paddy\paddy\manager.cpp(51) : error C2664: 'Pensioner::Pensioner(char *,char *,char *,long,char *)' : cannot convert parameter 1 from 'std::string' … |
| | I need to extract complete path for a file givne the file name. I am using the function GetFullPathName() but it only appends the current directory of the project with the file name.. Is there any modification or some other function which can help? I am using visual studio 2005 … |
 | hi, my problem is about socket programming. My code below only connects the client to the server, and it works just fine. However, I should create a 2player game which of course require the interaction of the 1st and 2nd player. The problem here is that they really don't interact … |
| | Hi. I'm new here and would appreciate any help you can give me. I am a college student and I'm supposed to do this assignment where I take data from one txt file and put it into another. This is step one of a larger project. I have some code … |
 | Hello everybody, I am looking for some clarifications/definitions regarding some special concepts for a better OOP design.. I already have some idea for some of them, however I would like to hear what more experienced programmer have to say. :D So lets start... [code] Could u provide a short definition … |
| | ok i just startet coding c++ and ofc im geting alot of errors. but until now ive been able to fix them myself but when i try to debug my program it says misplaced else and i just cant find out how to get it to work. so well heres … |
| | So if I have a header file like this: [CODE]template<typename T> class snake { public: void example(); private: T *start_Ptr; };[/CODE] and then a source file like this: [CODE]#include <iostream> #include <stddef.h> #include "foo.h" using namespace std; template<class T> struct node { T data; node *next; }; template<typename T> void …  |
| | hi everone ,actually i need ur helps. i have to submet my final project next week on 14/10 and i didnt star yet .therefore, i wanna star this week but i dont have enogh ideo 4 my topic (my topic is make program for sell and rant a car ) … |
| | I'm very new to C++ , and if anyone could, could they give me the code for just a simple program, that would click a link on a webpage continuasly for you :p Thanks :)  |
| | Hi, I'm not sure I understand my teacher properly, but he wants me to use the CCTOR of class CPt in the CCTOR of class CCanvas to fill a dynamically allocated array. I'm at a loss of how to call it...maybe a little code will help this make more sense: … |
| | While working on my CS project, I coded the following line: [code] if(...*stuff* || *morestuff* || *evenMOREstuff* || (strcmp(argv[5], "yes") && strcmp(argv[5], "no"){ cout << "Improper arguments." exit(1); } else{ do more stuff} [/code] Where argv[5] is a program argument supplied by the user. Either a yes or a no … |
| | Ok, so I have an array of objects that have 3 get functions. Get last name, get first name (both strings) and get salary. What I'm trying to do is get a user to enter First name and Last name and it search the array for the persons first and … |
| | I'm not too sure why I'm getting memory leaks...hopefully someone here is wiser than me, and can help me find it :P . [code=cplusplus] #include "Canvas.h" CDrawer CCanvas::gCanvas(RGB(0,0,0), 1); int const GREEN(20000),BLUE(50), RED(200), THICK(3); CCanvas::CCanvas(void): _iSize(0), _cptPoints(0) { } CCanvas::CCanvas(CCanvas const & tmpCanvas): _iSize(tmpCanvas._iSize) { if (_iSize > 0) { … |
 | [code=cplusplus] #include <iostream> #include <fstream> using namespace std; int main() { int numberofemployees; int employeeid, hoursworked; float hourlyrate, grosspay, taxamount, netpay; const float TAXRATE=0.10; ifstream fin("C:\Dev-CPP\employee.txt"); while (!fin.eof() )} fin >> employeeid >> hoursworked >> hourlyrate; cout<<"EMPLOYEE ID IS: "<<employeeid<<endl; cout<<"THE HOURS WORKED ARE: "<<hoursworked<<endl; cout<<"THE HOURLY RATE IS: "<<hourlyrate<<endl; …  |
| | Hi, I am trying to list all the files in a drive. when i use "*" instead of "C:\*" in findfirstfile() function then it works fine and lists all the files in the current directory but it does not work when i use "C:\*" and does not list files. can … |
| | first time here so I'm sorry if I didn't do something correctly. I need to find the total number of floors, rooms on each floor, how many empty rooms there are, occupied rooms on each floor, find occupancy rate, and the "Heartbreak Floor". Which has to display the floor with … |
| | Hi, I'm taking a programming class at my school. My teacher gave us a pdf that said "..You will be writing a program that can read a bitmap and insert a secret message into the bytes of the picture in a retrievable way using the picture as a cipher and … |
| | Hi guys! Well they gave me this work, that says as follows: Write a program to score the paper-rock-scissor game. Each of two users types either P, R, or S. The prgram then announces the winner as well as the basis for determining the winner: Paper covers rock, Rock break … |
| | i have a problem creating games with C++, if anyone has a source code in C++, please share with me, i need help, simple game is okay e.g: snake, arkanoid i just need a source code for a simple game, without open GL or something like that (because i can't … |
 | Hi, and here i am throwing a "not the exact version" of my problem, but if this is been solved, my problem is done. Lets suppose i am building a application in c++ that will simply display the content of a text file. I absolutely can make the app take … |
| | Can anyon help me with the code to delete from file using the delete method or function void delete() { } Thanks in advance |
| | How can i print the lower and upper triangles of matrix Please guide me in writing the code. i don't know even how to start writing the code. Please help. |
| | I would like to work with the MFC classes. As far as I Know these are not included with the Visual C++ express edition but only with the standard edition . can i get these classes for free elsewhere or do I have anyother option? please help. |
| | I have some C code that, when compiled under Linux, works perfectly as a CGI. This same source compiles perfectly with Visual C++ producing an exe. My question is how do I use this as a CGI in a Windows, Apache environment. Can I just place the exe in the … |
| | ok, long story make it short I have a quite large project, a makefile and gnu make. All runs fine. Trying to port the project to windows, and building with mingw32-make I come accross some problems... One of it is that i can't use sed for automatic dependeny generation as … |
 | Hiii I just made a small [B]Memory game[/B] with the help of many of the members of [I]daniweb[/I].... Now I have a screen clearing problem... The program is simple...The compiler shows random numbers,then the user inputs the number within a time limit... there is a scoring key.... but I want … |
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