51,593 Topics
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| | and this what is a better way too write this without getting an error if ((symb1 != 'A', 'a') || (symb2 != 'B', 'b') || (symb3 != 'C', 'c') || (symb4 != 'D', 'd'));; << endl; { cout << "Please enter an corresponding letter." << endl; } and this what …  |
| | Hello. I need an example of how to pass an array of pointers to objects as a parameter to a function or a constructor. It's urgent. Please help me. Thank you. |
| | plz chk i want to overload compound assignment operator bt its gving me some error[CODE]#include <iostream> using namespace std; class strng { char s[30]; public: strng() { strcpy(s,""); } void getstring() { cout<<"enter the sting:"; cin>>s; } void displaystring() { cout <<"the string is:"<<s<<endl; } string operator +=(string &t); }; … |
| | How would I make or find a spellcheck for wordpad and I don't mean like all spellchecker I mean like a built in spellcheck like in word were you just press F7 and bam no haveing a whole other program up so how would I even start to make that? |
| | I'm still working on the same problem. Im doing a text-twist code for c++ as part of our school requirement. Last time, I'm having problems on delaying outputs using CLOCKS_PER_SEC and clock(), but thanks to some people, I solved that problem already. Now, Im working on the game's play mode. … |
| | Hello , I need to pass a system (linux) result to a varaiable . Example : ... char KERNEL = system("uname"); printf(KERNEL); ... this example dont work , can you help me ?  |
| | I have a make file which compiles my C++ code on RHEL5. It contains the compilation flags as listed below. Where can I get the description of following g++ compilation flags: -D_UNIX -D_REENTRANT -DUNICODE -D_UNICODE -D__LITTLE_ENDIAN__ -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_LARGE_FILES -DLINUX -D__x86__ -D__linux__ -D____ -D__OSVERSION__=2 |
| | Ok so I am having a problem using the method stat(), I need to find the filesize of a file and return it as a const char *, So i would need to convert the int value to a char. This is what i have now which does compile but … |
| | I use MS VC++6 and when I type code I have problem...let's say I have 123456789 typed and I place cursor between 4 and 5 and than type "something" I get 1234something and not 1234something56789 so it deletes and wont shift right :S also enter doesnt brake new line,space,backspace.... I … |
| | My problem is the array Field which is considered by the compiler as undeclared. I declared the array in main and i'm trying to access it through the following .cpp file. animals.cpp : [CODE]#include <cstdlib> #include "organisms.h" #include "animals.h" // class's header file // class constructor Animals::Animals() { } void … |
| | Although for consistent and reusable design we follow Object Oriented paradigms; “structured approach” has still its worth in some imperative and critical application. wat do u people say about this  |
| | I need function that sends to email (text.txt file) in SMTP protocol? I've googled it up but I mostly found C# or VB codes... Can I get a link or code of such function? |
| | Can any one point out links to some small projects w.r.t C++ ? Now when I say small projects, It [B]doesn't mean[/B] building a calculator or matrix multiplication programs, [B]nor[/B] does it mean building games, [B]nor[/B] does it mean dealing with databases, What I actually want is to use the …  |
| | Hello, I'm seeking a solution to how to keep text updated in windows forms, currently Im using QT forms, and trying to keep my labeltexts updated but always fails, tried infinite true here and there but program always crash=\  |
| | Hello Everyone, As you can see, I am new to DaniWeb, and might I say this is a VERY good community. Either ways, my problem is a pretty complicated one, which I have been working on for a while now, 2-3 weeks. I am assigned by my team to create … |
 | Is there a way to reference winmm.dll's to get ID3 info. Everything I have looked at online shows programming of your own mp3 data (i.e. Title, artist....). There has to be a way to just retrieve the file info from the DLL right??? JamesonH20' |
| | just the words but I am getting errors [CODE]#include<stdio.h> #include<conio.h> void main() { FILE *f1; char c='y', field[10][10]; int i=0, j=0; printf("Fields:- \n"); f1 = fopen("filename","r"); while ((c=getc(f1))!='\r') { while (c!='\t') { field[i][j] = c; j++; c=getc(f1); } c='y'; printf("%s ",field[i]); i++; } printf("i = %d, j = %d", i, … |
| | Hi everyone, I'm reading two values from my text file after that I have to find all the possible points in this row*column data. I wrote this code but I got an infinite loop as a result instead of getting N1=(1,1), N2(1,2) till the the last column which is n, … |
| | Hi all: I am quite new at C++. I am using it to run transport calculations. The results of each calculation (rows and columns of data) need to be plotted. I would like to use Matlab. I have searched Matlab help and found that it is possible to write a … |
| | i am confused about syntax highlighting, if i am paste text from clipboard to RichEdit, the syntax highlighling doesnt work perfectly. here is my code : [code]//On header(FWDesign.h) define TStringList *htmltag; TStringList *atribut; //On FormCreate void __fastcall TFWDesign::FormCreate(TObject *Sender) { htmltag = new (TStringList); atribut = new (TStringList); htmltag->Add("html"); htmltag->Add("body"); … |
| | I am having trouble with getting the math from paper to C++ code ... I am asking for user input for a numerator and a denominator .... the function then treats the variables as a fraction and reduces it to the lowest term ..... I had some math in the … |
| | help me how to do a word scrolling like a snake game without hitting any keys.  |
| | Could someone please have a look at my code and tell me anything that can be improved? Anything at all - layout, using headers etc? Thanks in advance! [code=php] #include<iostream> #include<vector> #include<cmath> #include<iomanip> using namespace std; typedef double(*fun)(double); //Declare functions double gauss(fun f, double &a, double &b, int &n, double … |
| | Before I proceed with the code implementation, I need to find the error that this program initiates. I can't figure out the solution, I guess thats what happens after not using c++ for 4 years... The compilation errors I'm getting are all of this type (11 of them): Error 9 … |
| | I cant find the error here.. [CODE]#include "stdafx.h" #include <deque> #include <list> #include <queue> #include <iostream> #include <fstream> #include <string> #include <sstream> #include <set> using namespace std; char file_name[15]; char links_file[15]; char alg[15]; char with_list[15]; char new_name[15]; int depth; long idstart,idgoal; class Action { public: long start_node; long end_node; int … |
| | Hi guys, I'm new to C++ and I'm doing a small project, I got a little problem with reading a specific number from a text file. for example: size 2 3 I want my program to read the 2 to a and the 3 to b. Also I want the … |
 | Is this API striclty for 3d applications including sound and modeling etc.... or can you program windows forms as well? Just wondering  |
| | hi guys i have a little question i don't understand this line typedef [COLOR="Red"]basic_string <char>[/COLOR] string ; i have searched but can't get it any one can help ur help will be appreciated |
| | As part of a homework, I created the following Puzzle Class and it works. The thing is, it only work if i put the class in q2.cxx, the main code file. If I place them in three seperate files, I get hell load of problem. Can anyone please look at … |
| | Hi, I am a newbie to C++ (and programming in general) I have the following: [CODE] char* fOutMsg; strcpy(fOutMsg, "03DS2"); [/CODE] -------------------------------------------------------------- in another place: [CODE] char fPpn[32] = {0}; strcpy(fPpn, " "); [/CODE] ------------------------------------------------------------------- in another location: [CODE] char fStr; struct* ioEx; strcpy(fStr, W2A(ioEx->authcode)); [/CODE] --------------------------------------------------------------------- more: [CODE] char* …  |
| | Basically, I'm writing some code that will take text from some .txt files and rearrange them into other .txt files. I've written 3 functions, but ignore the 2nd one, I haven't worked on it yet. When I try to call my 3rd function, I get an error message from Dev … |
 | [B]ADT.h[/B] [code] struct process { int pid; // process id char* file_name; // file name of the process to be run int cpu_time; // amount of time the process needs with the cpu int request_priority; // priority from 1-5 (higher is better) int pr; // adjusted priority rate }; /**********************************************************************/ …  |
| | I have the following code ( I'm creating a binary tree and then I want to print the values on it's leafs) but when I'm running it, it never enters in that if from the parcurgere function. What have I done wrong? [CODE]#include <iostream> using namespace std; class node { … |
| | I have about a year of full time experience with Visual C++ 2008. I am productive but I'm still frustrated with the debugger. Is this the right forum to get help with the debugger? My biggest problem is not seeing any value when the variable is deeply burried within an … |
 | Is it possible to read data from a binary file to a C++ class using [inlineCODE]istream::read[/inlineCODE]? I know it can be done for structures, but I couldnt do it for a class. [Edit] Want code? [CODE]#include <iostream> #include <fstream> class BITMAPFILEHEADER { private: char type[ 2 ]; // Magic identifier … |
| | 1) The class interfaces do not follow good object-oriented design principles, which make them bug-prone and hard to extend/subclass properly. Improve the object-oriented design of the classes. 2) The class interfaces are almost completely undocumented. Include proper interface documentation in the .h-file. 3) There seems to be a bug somewhere, … |
| | Hi! I want to read a dbf file in c/c++/vc++. Which platform would be ideal? And how should I go about it? Regards, Nidhi |
 | since few minutes I tried practice "static_cast" to convert from short variable to int variable, I wrote this trivial program to print the variables before using static_cast and after using static_cast in console screen, but the variable not converted..! [CODE] //EGYPT population | static cast #include <iostream> using namespace std; … |
 | I've been messing around with c++ and attempting to fully understand certain behaviors. Given the following program: [code=C++]#include <iostream> class Test { public: Test(); ~Test(); void func(); }; Test::Test() { std::cout << "Constructor" << std::endl; } Test::~Test() { std::cout << "Destructor" << std::endl; } void Test::func() { std::cout << "Deleting … |
| | Create student class to store id, name and phone number. Derive this class as report to store id, name, phone number, mark1, mark2 and mark3. Write constructor, destructor and methods to take data and print data. Also write a method to print total mark. |
| | Hi Guys. I made a WIN32 program in VS C++ Enterprise 2008. It works fine but I need a good example on how to implement a file open function via my menu. Anyone have a good example? Kind regards Kurt |
| | i open the program go to [B]file [/B]and when i press [B]open[/B] the program stop working saying that the program has stopped and then close. everything else is fine. i installed the program again but the same. the same program work without a problem in other computers. i think it … |
| | Hi, I want to make a global 2D array ( i mean outside of the main function), so it will be available from all the functions. But my problem is how can i read it's size from the keyboard? If anyone know, plz help me. Thanks in advance. |
| | Would you be so kind and help me solve this problem? [code=C++] #include <string> using namespace std; class Okno { protected: int x1,y1,x2,y2; string nazwa; public: }; class NieDesktop : public Okno{ private: Okno& ojciec; NieDesktop(const NieDesktop&); }; class OknoWlasciwe : public NieDesktop{ OknoWlasciwe(const OknoWlasciwe&); public: OknoWlasciwe(Okno&,int,int,int,int,string); }; OknoWlasciwe::OknoWlasciwe(Okno& _ojciec,int … |
| | [QUOTE]The static_cast operator can explicitly convert an integral value to an enumeration type. If the value of the integral type does not fall within the range of enumeration values, the resulting enumeration value is undefined.[/QUOTE] Can somebody explain the above stuff with example ?? |
| | On the left is the dialog ran from VC++ On the right is run from my app [url]http://img208.imageshack.us/img208/2019/wonder.png[/url] Why the version ran from my app lacks is: Combo Box Options Color, Design is from the 90's style |
| | Hi All.. I am using Microsoft Visual C++ 6.0 to build a software.. during software running, sometimes will happend application error, and force to shutdown the program. The application error detail like below.. Date : 1/25/2010 Source : Application Error Time : 2:14:09 PM Category : None Type : Error … |
| | ... and I don't know why. I'm just getting back into C++ programming after years of not using it at all. I tried to make a simple program that - Creates 10 random numbers between 0-99 and prints them - Categorizes each number by range - prints the sum of … |
| | This is the problem im working on: *Write a program that has nested loops *First, write the inner loop -Use “for” loop to display Hello two times *Second, write the outer loop -Use “do while” loop to display the inner loop three times -Before the output of inner loop, you …  |
| | [CODE]/* #include <iostream> #include <iomanip> using namespace std; int main() { cout << " " << endl; double sum; double numb; double ave; int counter = 0; cout << "This program averages numbers." << endl; cout << endl; while (true) { cout << "Number: "; cin >> numb; if( numb … |
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