49,761 Topics
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 | I'm trying to create a loop if the string wordEasy contains more than 5 letters. I am using the 'while' and 'for' but none seem to work. I am hopping if you guys would be kind enough to help me figure out what I'm doing wrong. Here is the 'for' … |
| | Hi everybody, I’m having trouble trying to figure out how to create a loop when the ‘difficulty’ takes a value that is not an integer. I want a player to get the ‘default’ statement presented in the switch . The ‘default’ statement seems to make an appearance but it will … |
| | Can someone please explain what the <atomic> library does? Or what it's for?  |
 | include a member function named rangeSearch. The function should search the list for a specified range values, defined by two numbers. All value found to be within the range shall be returned a pointer to a list of Nodes in search range. If no value is found, the function should … |
 | A short while ago I was intrigued by a reply made by nullptr in [this thread](http://www.daniweb.com/software-development/cpp/threads/458583/shellexecuteex-api). So I began to look for ways to access the rest of IE (IWebBrowser2) interface, and met limited and varied success. Accessing for instance a <div></div> element in a wep page html document was … |
 | Following is the code snippet to override exception::what() function, but what I couldn't figure out how removing const-ness of the function produces following null terminated character string "std::exception". What I could think of is that since exception::what() is const its overriding should also be const. But, even if it is …  |
| | This is a program to reverse the string in place. I have used pass by pointer. Interestingly I have changed the pointer in reverse function which is notable by seeing its output but the pointer which was passed in main function still points to the start of string. This is …  |
| | I want to set a value to a textbox from another class. I have tried to give the GUI as parameter to a function but I can reach it in a .h file, but not in my a .cpp file. Can somebody tell me how it is possible to set …  |
| | Hi there, I want to know about wchar_t data type i.e. how it is used and why we use it. And also what is the difference between char and wchar_t. One last thing why we write L before wchar_t initialization. #include <iostream.h> void main() { wchar_t w; w = L'A'; … |
 | Hi there! I have a problem in dealing with dynamic arrays. I have initialized the objects and now i want to print them. My main function looks like this: char* namesList[] = {"Brad Shaw","Aimen Adams","Sal Dimitry","Cristi Anreaz","Poala James"}; int idList[]={232,444,135,52,134}; Team t; Team t1( namesList,idList,5,"waqas"); //t1.Print_team(); My class Team looks … |
| | Hi, I'm using a C++/CLI form, with a printDialog item: { public: Form1(void) { InitializeComponent(); this->printDialog1 = (gcnew System::Windows::Forms::PrintDialog()); I call the dialog with: printFont = gcnew System::Drawing::Font( "Courier New",10 ); PrintDocument^ pd = gcnew PrintDocument; pd->PrintPage += gcnew PrintPageEventHandler( this, &Form1::PrintInstPrintPage); printDialog1->ShowHelp = false; printDialog1->Document = pd; System::Windows::Forms::DialogResult result … |
 | I have a program using old data for a game I play to indicate which pixels correspond to the health bar in my game. (my program just loops until a button is clicked and presses a key if the health bar drops too low). Unfortunately the health bar has moved … |
 | write a loop which sums all values between 10 and 100 into a variable called total. assume that total has not been initiated to zero. |
 | actually, I was reading C++ from some time , but here i want to learn and imprve my OOPS concepts. IF you have some good links or some e-books or some good book name , please help me here. i have learnt from wiki, my one C book in which … |
| | Hi I learning c++ through a book but I have found that one of the examples provided by the book is an infinite loop. So I was wonderring if anyoone can help me stop it. I tried using the 'break;' statement in every 'for' body to stop the loop but … |
| | Hello, Iv been trying to compile a simple opengl / wxwidgets program in c++ on linux mint. However when i try to compile with : g++ MyGLCanvas.cpp MyGLCanvas.h openGLProjectApp.cpp openGLProjectApp.h openGLProjectFrm.cpp openGLProjectFrm.h `wx-config --cxxflags --libs --gl-libs -lGL` -o simpleprogram I get an error message : cannot find -lwx_gtk2u_-lGL-2.8 collect2: error: … |
| | 1- Write a program that asks the user to input a number of seconds and displays the corresponding time in the form: hours:minutes:seconds. The total number of hours should not exceed 23. Example: if the input is 7275, the output will be: 2:1:15 Hint: if t is the time in …  |
 | My code only outputs 0.00 when 'y' is entered. Clearly, I'm a beginner. #include <iostream> #include <iomanip> #include <string> const double ADULTFEE = 18.00, CHILDFEE = 7.50, TRAINFEE = 6.00, BIRDFEE = 5.00; using namespace std; int main () { char reply = ' '; double adultNum = 0, childNum …  |
| | Hello. I am currently working on a huffman code program for my class. As of right now, I am currently in the development/debugging stage. I've got the whole thing pretty much covered, but I am having trouble with my tree traversal. I am trying to do an inorder traversal but … |
| | I would like to end the process. In Task Manager, but it is not the end. So I want a different way. This process changes the port randomly. PID is also random. How to exit from this situation? I need a source to bat. Process Search> PID Search> PID using … |
| | Hi, I have a little project to do relating picture boxes in visual c++. I have googled for very long and cant find a solution. I have a picture box with 3 buttons, previous, play pause and next. It involves a timer control which will run and enable the slideshow. … |
 | #ifndef LOTTO_H #define LOTTO_H #include <QWidget> #include <QLabel> #include <QTextEdit> #include <QPushButton> #include <QGridLayout> class lotto : public QWidget { Q_OBJECT private: //widget data members QLabel* numbersLabel; QTextEdit* numEdit; QPushButton* lotusButton; public slots: int generateLotteryNumbers (); void displayNumbers(); public: lotto(); }; #endif // LOTTO_H #include "lotto.h" #include <stdlib.h> #include <time.h> …  |
 | hello, I just had a quick question on my program. I'm trying to perform an elevator class program to simulate an elevator that has 3 stops. The only problem is that I can't figure out how my floors increase or decrease, it just increases by one. Here is my code: … |
| | Hi there! I have to read data from a file and load it into an array: here is the data of the text file: Team Creative 6 100 Anwar Khan 201 Belal Ahmed 150 Sara Amjad 400 Nida Khawar 342 Rehan Sheikh 341 Nadia Kanwal My code is: class Player … |
| | Hello. I'm going through LazyFoo.net's SDL tutorials and right off the bat I got stuck. I am using Visual Basic and it is giving me an error saying that the identifier 'args[]' in the main function (line 5) is undefined. Anyone have a solution? //Headers #include "SDL.h" #include <string> int …  |
| | For some reason the program is not reading the if and else statements. Please help The assignment: Assignment: The city zoo charges the fees shown in the table below. General Admission Price Adult $18.00 Child (age 5 to 13) (Under 5 years of age: free) $7.50 Extra Events Train ride …  |
| | Please help me to translate this code from c to c++ #include <stdio.h> #include <conio.h> void main() { int n,i,j,a[20][20],ok=1,grade=0,aux=0;ok=1; FILE *f=fopen("c:\graph.txt","r"); fscanf(f,"%d",&n); for(i=1;i<=n;i++) for(j=1;j<=n;j++) fscanf(f,"%d",&a[i][j]); fclose(f); for(i=1;i<=n;i++) if(a[1][i]==1) grade++; for(i=1;i<=n;i++) { for(j=1;j<=n;j++) if(a[i][j]==1) aux++; if(aux!=grade) ok=0; aux=0; } if(ok==0) printf("graph is not regular."); else printf("graph is regular."); getch(); clrscr(); … |
| | int index = 3; map<int, Class> list; std::map<int, Class>::iterator test = list.begin(); std::advance(test, index); for(map<int, Class>::iterator it = test; it != list.end();++it) { cout << it->first << " " << it->second.GetPrice() << endl; } Hi Everyone, Please help me on this issue. I know how to start at a certain … |
 | I spent about an hour or so googling but no luck. I want to program for hardware(which apparently people seem to think is obsolete for some reason) however i can find no tutorials on it period i suppose i could always use Assembly but my knowledge isn't that great. Is …  |
| | Here is a small--complete--program that includes a sub-routine that inputs two matrices and then multiplies them. Notes: * 1) I happen to like taking input from a text file. It eliminates the need to type input from the console, especially when debugging, it prevents the possibility of making typos. * … |
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