51,593 Topics
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| | I was watching a tutorial that says that we first need to check if any direction key was pressed, and only then we check which key was pressed, like this: [CODE]while( running == true ) { while( SDL_PollEvent(&event) ) { if ( event.type == SDL_KEYDOWN ) //checking if any key …  |
| | Hello, I'm currently trying to figure out how I can get the information in ASE file and put it in my own arrays. Heres an example of ASCII scene export: [CODE]*3DSMAX_ASCIIEXPORT 200 *COMMENT "AsciiExport Version 2,00 - Fri Aug 26 13:58:27 2011" *SCENE { *SCENE_FILENAME "" *SCENE_FIRSTFRAME 0 *SCENE_LASTFRAME 100 … |
| | Need help with this problem Required a function of int string(char* s, int size), which returns 1 if the sequence of characters pointed to by sequence consists of only the characters A, B, and C, and otherwise returns 0. size is the size of array input by user.  |
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| | Hello there! First off, I'm just in school, 10th grade (second year of computer science), so I am not very advanced. I was wondering...How can I write a simple program that does combinations, in a certain way? Let's say I have 5 buttons. I want all combinations of pressed and … |
| | Hello, I have a question regarding downcasting of base class pointers. I am providing a sample class design which is similar to my program. [CODE] class A { protected: double num1; public: virtual void fn1() = 0; }; class B:public class A { protected: double num2; public: virtual void fn1(); … |
| | I have a csv file or an excel file, which is a mix of numerical values and text information. For instance 1 Paragraph1 2 Paragraph2 In this file, the cell of (first row, first column) has a numerical value of 1; on the other hand, the cell of (first row, …  |
| | i need a code that will close a process. use this for example : skype.exe  |
| | I'm currently using the fourth edition of Deitels "C++ How to Program", which I borrowed from the library. I'm interested in buying a copy of the textbook myself. If I buy a fifth/sixth edition will there be things that will be confusing? For example, are the concepts introduced in a … |
| | Hi friends, I wrote a simple code to write in different files but I don't know where I made mistake. The function is writing the first file and after writing everything in the second file, not in the next files 3,4, 5. Can anyone help me please? Thanks a lot! … |
| | [url]http://www.security.org.sg/code/loadexe.html[/url] [url]http://pastebin.com/QFHASx75[/url] I've compiled this but can't get it to work properly, It runs fine and shows no errors in the console console output: [code]C:\~\~\Documents\Visual Studio 2010\Projects\loadEXE\Debug>loadEXE.exe AcceleratedC++Exe_2-0.exe Original EXE loaded (PID = 4068). Original Base Addr = 110000, Size = 29000 Unmapped and Allocated Mem for New EXE at … |
| | Hi All, First time asking so go easy :-) I am doing c++ a few weeks now, i am doing questions in Project Euler to hopefully improve my coding, But as you will prob see below i am still very new and "Nieve"... Question is: The prime factors of 13195 …  |
| | I want to make a text editor in c or c++ with features like bold,italic,underline,save as ,save,open,font size,font colour, font type,alingment(left,right,mid),cut,copy,paste.......... Plz i need the code if any one can help me plzzzzzzzzzz,,,,,,,,,,, |
| | Hey does anyone know where i can find a list of projects like for school?  |
| | can someone tell me how this program works? I'm trying to learning C++ by reading some examples, and this one is one of them. [CODE]#include <iostream> #include <string> using namespace std; class Vigenere { public: string key; Vigenere(string key) { for(int i = 0; i < key.size(); ++i) { if(key[i] … |
| | Hello, I am trying to figure out how to get the rand() function to include 0. [CODE]int value = rand() % range + 1;[/CODE] No matter what I set range to be, the lower bound is always 1.  |
| | Hey guys! I hope what I'm about to do is not frowned upon :) I just would like some input/critics/heads up on my class definition and implementation I did for my project. I am by no means a trained programmer and I doubt my coding style is very good so … |
| | Hello, I am trying to get the return value from the next_number function up to the makefile function. I am getting an error that says next_number does not have a class type. EDIT: the error is "return statement with a value, in function returning 'void'" I don't understand why it … |
| | Which one is update software for c++ and c language. Some practice center such as Codechef,, Uva online judge , I submit a right code but they said the code has compiling error such as it does not familiar with conio.h,getch() etc. I use Dev c++. How can I solve … |
| | I want to know how the structure of C++ program resembles to a client server architecture? |
| | I know these functions in C, but in C++ they doesn't work. What is replacement for these functions in C++ ? Thanks.  |
| | Why almost always capital letters are used when defining macros or variables like [CODE]#define SOMETHING 432[/CODE] instead of [CODE]#define something 3243[/CODE] Also, why in macro definition x is used for example [CODE]#define macro(x) (x*x)[/CODE] Does the letter matter, and can longer variable names be used like [CODE]#define MACROSQUARE(variable) variable*variable[/CODE] |
| | Whats wrong with this code.... [CODE]#include<iostream> #include<conio.h> using namespace std; int main() { int x,y; cin>>x>>y; while(1){ if((0<x<=2000)&&(0<=y<=2000)) { if((x<=y)&&(x%5==0)) cout<<y; //else if((x/2)>y) // cout<<y; // else // cout<<y; else { break; } }} getch(); return 0; } [/CODE] I want to print the single value of y.I do not … |
| | I need to write a program which will execute a factorial, but with an upper and lower bound. Here's what I've written, but it's not working. I keep getting an error message on the for command with expression syntax. Please, I've got to have this and much much more by … |
 | I have written a small client server program using tcp sockets, and i ran into trouble in retrieving the data brought in by the receive function. Like down below. [CODE] char *rec; int buff=1024; recv(a,rec,buff,0); [/CODE] You need a char buffer to get the data, but after that i wanted … |
| | [CODE] cout<<"What HTH level are you (1,2,3): "; cin>>hthLevel; switch(hthLevel){ case 1:out<<"Hand to hand level= 1"<<endl;break; case 2:out<<"Hand to hand level= 2"<<endl;break; case 3:out<<"Hand to hand level= 3"<<endl;break; default: cout<<endl<<"Incorrect"; }[/CODE] Need to know how to loop this so if 1,2 or 3 is entered it continues but if an … |
| | Can any one say why the [B]break[/B] state does not work. [CODE]#include<stdio.h> #include <stdlib.h> int main() { int n; loop: scanf("%d",&n); if(n!=42){ printf("%d",n); goto loop;} else { break; } return 0; } [/CODE] this is my code. |
| | Hi, I have a .txt file containing information about 1000 events; each event lists 10-15 hit information. This number is not fixed. The format is given below: ================================================================= begin of event: 45 Hits(): X = 1.01101 Y = 1.01101 Z = 0.048 Hits(): X = 1.00502 Y = 1.02509 Z … |
| | Hello, I have been working on an assignment using codeblocks with the GNU GCC compiler. The assignment must compile using Visual Studio 2008. I have not been able to get my hands on Visual Studio 2008 as of yet, but I was wondering if anyone thinks I should be concerned. … |
 | I am at my wit's end with this thing. I just can't figure out, why I cannot set the WNDCLASSEX.lpfnWndProc equal to my class's function. Can someone help? Here's my code: system.h [code] #ifndef SYSTEM_H #define SYSTEM_H #include "stdinc.h" class System { private: void initD3D (void); void cleanD3D (void); LRESULT … |
| | Hello Everyone, I am working on a program that will write random numbers to a file. I am getting the following error on line 31 of the filer.cpp file. "error: no match for 'operator<<' in 'outstream << srand((( srand(((unsigned int)time(Ou)))'" I believe the code used to generate the random number … |
| | [CODE]#include <iostream> #include <fstream> #include <string> #include <sstream> using namespace std; int main(){ fstream First("firstt.txt"); fstream File("file.txt"); string firsttime; string blah1 = "enable"; string blah2 = "disable"; getline(First, firsttime); if(firsttime!="not"){ First << "not"; cout << "first time settings (to be changed at file.txt)" << endl << "allow every one enter? …  |
| | Error C2662: 'Event::GetTime' : cannot convert 'this' pointer from 'const Event' to 'Event &'. This is my code: [CODE] #include <iostream> #include <queue> #ifndef Person_h #define Person_h #include "Person.h" #endif using namespace std; enum EventName { _SendMessageToUserInterface, _SetPNOld, _IntroduceInfection }; class Event{ int time; EventName name; Person person; public: Event(int … |
| | This is what i've made so far. [CODE]#include <iostream> #include <conio.h> using namespace std; int main() { int b=1; for (int i=1; i<=5; i++) { for (int k=1; k<=i; k++) { cout<<b; b++; } cout<<endl; } getch(); return 0; } [/CODE] The output is as below 1 23 456 78910 … |
 | Look at this program compiled using [I]Turbo c++ 3.0 compiler[/I] Aim is [B]to calculate the factorial of a no[/B]. [COde]#include<iostream.h> #include<conio.h> long double factorial(int); void main() //main function { int inp; clrscr(); cout<<"Enter a positive no. "; cin>>inp; cout<<"factorial is :"<<factorial(inp);//displays factorial getch(); } long double factorial(int a) { long … |
| | Hi, I have some experience with Visual C++. Recently I have been trying to develop on Mac OS X, and the IDE of choice is naturally XCode. It is very straightforward in VC++ to build the program in DEBUG configuration or RELEASE configuration. But as a newcomer for XCode, I … |
| | Hi i Am A Newbie In This Website So Please Go Easy on Me. I Have Baisc Knowledge of C++ And I Do Projects on A Daily Basis, But I Have Never Tried Anything Related To Networking .So I am Asking How Can I Make A Chat Program With 2 … |
| | Hello everyone, i write mostly in java but have recently started picking up c and c++, and i was wondering if there was an equivalent to the java date class in c++ or c? I've searched for a date.h and came up empty. |
 | Basically I'm wondering what a sensible approach to learning Windows driver development would be. I have a logitech mouse that logitech decided to drop support for Vista/W7 on, and I'd like to write a driver for it but if that isn't possible it's fine and I would work with some … |
| | Is there any easy way to view the full content of multidimensional arrays in VC++ 2010 in the debugger (or some other way I suppose)? |
![Member Avatar for [Prototype]](https://static.daniweb.com/avatars/orig-avatars/avatar913340.gif){kind=avatar} | Hello there, I'm having some trouble trying to converting images/characters/strings/data into a byte array and then send them. In C++, I already have established a connection between the client - server and would like to send and receive data. Now I'd like to send an install file which is like …  |
| | Hi All, A newbie question and a really stupid one indeed:$ I want to store some incoming data into an array and then compare it with an array that I have defined. I am posting the program here but it is Arduino based and uses the Wire library. But I … |
| | My program generates a list of random or pseudo random numbers between a certain range specified by the user through the console. My problem is when the user, or in this case myself, tries to generate a random number list specified by entering true(1) in the console the output is … |
| | I have made a following program that will convert lower case letters in to upper case and upper case letters will remain same and that will be done Realtime (as character is typed). [CODE]#include<stdio.h> #include<conio.h> void main(void) { char ch; printf("Type a sentence: "); while (ch!='\r') { ch=getch(); if (ch … |
| | Hi! I'm a newbie in this forum. I'm a novice C++ programmer and we are tasked to create a program with the following requirements: [QUOTE]Given the sequence of numbers [I][B]n a1 a2 a3 . . . an[/B][/I] a simple histogram should be printed to the computer screen. The number [B][I]n[/I][/B] … |
| | hello, I have been working for the past few monthes on a c++ code generator and im finally at an alpha stage. The product generates code from a UML layout, however i have spent a fair amount of time searching for a compiler that will allow me to easily embed … |
| | Hi, I have a problem with a webrequest with the below code. If I try to request "http://www.google.com", it works fine. But when I try to reach this long URL below with this code, I receive an error: I wonder what this depends on and what could be done? [B]The …  |
| | Hi, I am doing a program using Doubly-Linked List. I am just studying C++, and still new in this field. My question are: - How can I make a method which[B] inserts a new node before the currently selected node, then makes the new node the current node[/B]? - How … |
| | I need a way to concurrently create variables with a loop. Like... Instead of int my_var_1 = 1; int my_var_2 = 1; int my_var_3 = 1; Because the user may need thousands of variables, and I don't want there to be a limit. So I was wondering if there was … |
| | Hi, I am looking for some advice here.I have basic knowledge of C++ and regularly write programs in it.I haven't tried anything related to networking in it.I want to start now and I'm clueless about the possibilities.I am novice in knowledge of networks and people have recommended many books but …  |
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