51,593 Topics
 | |
| | Hey people, i am having the next easy problem but i dont find any answer on how to do that: Im using libxml2 to read a XML file, in one part of my code i need to compare two attributes from different nodes which are numbers (1,2,3,4,5,6...). The problem is …  |
| | Can some one help me with this error: =========================================error================================ In file included from /usr/include/sys/signal.h:34, from /util/gnu/lib/gcc-lib/sparc-sun-solaris2.6/3.2.2/include/pthread.h:22, from /util/gnu/lib/gcc-lib/sparc-sun-solaris2.6/3.2.2/include/c++/sparc-sun-solaris2.6/bits/gthr-default.h:37, from /util/gnu/lib/gcc-lib/sparc-sun-solaris2.6/3.2.2/include/c++/sparc-sun-solaris2.6/bits/gthr.h:98, from /util/gnu/lib/gcc-lib/sparc-sun-solaris2.6/3.2.2/include/c++/sparc-sun-solaris2.6/bits/c++io.h:37, from /util/gnu/lib/gcc-lib/sparc-sun-solaris2.6/3.2.2/include/c++/bits/fpos.h:44, from /util/gnu/lib/gcc-lib/sparc-sun-solaris2.6/3.2.2/include/c++/iosfwd:46, from /util/gnu/lib/gcc-lib/sparc-sun-solaris2.6/3.2.2/include/c++/ios:44, from /util/gnu/lib/gcc-lib/sparc-sun-solaris2.6/3.2.2/include/c++/ostream:45, from /util/gnu/lib/gcc-lib/sparc-sun-solaris2.6/3.2.2/include/c++/iostream:45, from main.cpp:1: /usr/include/sys/siginfo.h:259: 'ctid_t' is used as a type, but is not defined as a type. /usr/include/sys/siginfo.h:260: 'zoneid_t' … |
| | can someone help mi out with how to write a simple(2X2) matrix....I need help only with the loop used..... I got a wrong answer with what i got below [code=cplusplus] const int Row = 2; const int Col = 2; int main() { int MatrixA[Row][Col] = {1,2,3,2}; int MatrixB[Row][Col] = …  |
| | Consider this working code: [icode] #include <iostream> using namespace std; class Base { public: void print(string val) { cout<<val<<endl; } virtual void print(int val) { char temp[1000]; sprintf( temp, "%d", val ); string tempstring = temp; print ( tempstring ); } }; int main() { Base a; string whatever= "BLAH"; … |
 | I would like to make a list of colors with an associated color index ie 1, [1 0 0] 2, [0 1 0] 3, [.4 .4 .4] etc So I could make a map map <int, double*> ColorMap; Then I could look up the color by its index like this: … |
| | Can someone take a look at my code, I'm having errors with the end loop. [CODE]#include "stdafx.h" #include <iostream> using namespace std; int area (int, int); // function prototype int volume (int, int, int); // function prototype int _tmain(int argc, _TCHAR* argv[]) { int length, width, depth; // parameters for … |
| | [CODE]#include <iostream> using namespace std; #include <string> #include <cctype> void DrawGallows(int ); int main() { char solution[20]; //holds solution char blank[20]; //holds "*"'s for unsolved letters int counter = 0; //general-use counter int right = 0; //1 = right guess, 0 = wrong guess. char guess; cout<<"Enter phrase 20 chars …  |
| | helooo am new to C++ hope i will find some help here :) well the question is if the i ask the user to input an integer like int a; cin>>a; and if user inputs 2345 and the output i require is 2 3 4 5 how will i do … |
| | i am done with the main of the program but i have difficulty with several functions that need help if u please help me thank u very much #include <iostream> #include <string> using namespace std; void Output(struct Employee *data_ptr); void Input(struct Employee *data_ptr);void AddElement_Front(struct Employee E); void AddElement_End(struct Employee E); …  |
| | Hi all. I want to learn how to manipulate .txt files through C++ program. I want to be able to search trough chars in .txt file,sort them etc. I think the best way for this,should be,loading .txt file in char array and then manipulating the elements. but I don't know … |
| | Hi all, I have a double link list program that compiles ok, and when I run it, I get a message box saying that windows needs to stop the program. Here is the code: [CODE] #include <iostream> #include <conio.h> using namespace std; class linklist { private: struct dnode { dnode … |
| | I am having a problem with the results that I am getting when I run my program, according to the math i wrote in the program when I enter these results object's x co-ord = 0 object's y cor-ord = 0 object's heading = 45 degrees object's distance travelled = … |
| | Greetings to everybody, I am a programming greenhorn and I would like to make a programm which will generate a number in the way that first the user will say how many digits the number should have (i.e. 10 000) and will also specify the rules for creating the number- … |
| | I am developing an interactive client and server system which can response to a typical Human's Interaction. This program is run in unix enviornment. There's a Q&A text file stored, in this format. [Question];[Reply] How old are you?;I Am 1 year old. basically the delimiter is a ';'. Is there … |
| | First off, thank you for taking the time to read this. Here is my question: I am reading data in from a file that contains names for items that I will be placing onto a heap for use in a program. The program gives me all of the desired data … |
| | Hi , can any one tell me how to generate an unique number ? this can be done in C# with great ease. But i wonder how to generate tat in c++:ooh: |
| | I'm looking at this code and I'm not sure what it prints (I don't have a C++ compiler to run it). However, I also would like to understand why it prints what it does? hope someone can help, here's the code: [CODE] class A { public: virtual void p() { … |
| | How we can make a nice table in C++ ? I always use "|" and "___" to manually create a a table, but it often messed up. Please give me some tutorial and if possible table's screenshot. Thank you as always^^.  |
| | Hallo everyone, I have some problems with my assignment. I asked to provide some error-handling in my program. What I want to ask abou how we handle an input that isn't its type. For example i define a variable int a but we "accidentally" input a string or other type. … |
| | Could u please tell me , how to create webpage through Dev C++ and write output on webpage ? |
| | How do I set a fixed number of places. for example I want 1 to be 01. this is what I've been trying, but never works for some reason. Does anyone know how to do this. Thanks. int i = 1; cout << setprecision(2) << 1 ; |
| | How we can limit input data ? For example we only want the user to input 4 characters, user only can write up to 4 characters. Thank you fot your help. |
| | Hey guys im new to C++ so if this is an dumb question all apologies. Whats going on is i am comparing a user entered major with one from a structure of information on students (name,hours,gpa,etc..). for this im trying to pull out majors in example say someone was a … |
| | The following test code compiles and executes correctly: [code=c++] class RegExpTest : public Framework { template <class T> int reParseNumbers( std::string, std::set<T>&, double=-1 ) throw(Exception ); } template <class T> int RegExpTest::reParseNumbers( std::string s, std::set<T> & numSet, double set_size_limit ) throw( Exception ) { // do some regular expression stuff … |
| | I am gettin this compile error and for the life of me cannot figure it out: [CODE] BinarySearchTree.h:22: error: type âintâ is not a direct base of âBinarySearchTree<int, int, std::less<int> >::BinaryNodeâ [/CODE] This is the header file file the error refers: [CODE=cplusplus] #ifndef BINARY_SEARCH_TREE_H #define BINARY_SEARCH_TREE_H #include <cstdlib> #include <functional> … |
| | Could someone help me understand what is going to be returned in following piese of code and why (the processing logic) (I have no way to compile it by myself now....) [CODE=C++]struct A { int value; virtual int access() { return this->value; } }; struct B { int value; virtual … |
| | I have googled the error and found nothing. This is the last bug I've been trying to work out and the only I haven't been able to figure out. Thank you for your time. I'm currently trying to test out a standard simple linked list class. I'm currently trying to … |
| | Hi all, The following code is generated automatically in Microsoft c++: [code] // InventoryAssignment(BETA).cpp : main project file. #include "StdAfx.h" #include "Form1.h" using namespace InventoryAssignmentBETA; [STAThreadAttribute] int main(array<System::String ^> ^args) { // Enabling Windows XP visual effects before any controls are created Application::EnableVisualStyles(); Application::SetCompatibleTextRenderingDefault(false); // Create the main window and … |
| | |
| | Hi, i am using CMsFlexGrid in my project. the problem i m facing is the alignment of data ie when i store integer, double its getting aligned to right when i store strings its getting left aligned pls help. Display look very horrible :( .how to change it i dont … |
| | Generic Double Linked List [CODE="C++"]/* These are generic Functions for a Generic List * Note:-Only Functions not including a Menu and an Interface * You could use these Functions for your own Benefit*/ #include <iostream> using namespace std; template <class X> struct node{ //Template Structure X data; node* next; node* … |
| | Hello, I'm writing a a program in C++ that adds/subtracts complex numbers. I'm having trouble writing the square root of -1 or "i" in a complex number. Complex number: realPart + imaginaryPart * i (where i is /-1) ["square root of -1"] so far I'm thinking the code is something … |
| | Hi all, I added a class named RandomVariableGenerator with the following functions in the .h file [code] static double GetRandomNumber(void); static double GetExponential(double beta); static double GetUnifrom(double a, double b); [/code] but after building them i got the following errors: Error 1 error LNK2020: unresolved token (06000002) RandomVariableGenerator::GetRandomNumber Error 3 … |
| | I have a assignment that we are to write two clases (Ballot, Votes). We are to use an array of Ballot type to hold information for each particular Ballot. The Votes class is used to mark the ballots, count up all to votes, delete a ballot etc. I have the … |
| | [CODE]am trying to login to a server, say my gmail account by sending it my username and password in a typical POST request. to make my life simpler i tested this code on www.campuser.net i was able to see the pages http requests using a firefox addon called tamper data … |
| | Hi all, I used a function called GetRandomVariable to return a double data type and here's its code: [code]double GetRandomNumber(void) { // Zi = (AZi-1 + C)(mod m) // Zi = (5Zi-1 + 3)(mod 16) RandomVariableGenerator::Znode = (double)((5.0*RandomVariableGenerator::Znode + 3) % 16); return RandomVariableGenerator::Znode/16; } static double Znode = 7.0; … |
| | hey..I need to convert a 8 value bool array to char.How can I do this? |
| | i have an array weights[16][60] this being 16 rows of 60 elements in each one i have another error[16] which co incides with each with the 16 rows, this is the error from each row. is there a way i can put each of the 16 in order in the … |
| | [code] #include <conio.h> #include <graphics.h> #include <math.h> #include <stdlib.h> #include <dos.h> void serp(int level, int Ax, int Ay, int Bx, int By) { int poly[4]={Ax,Ay,Bx,By}; setfillstyle(SOLID_FILL,YELLOW); if (level>0) { serp(level-1, Ax,Ay ,(2*Ax+Bx)/3,(2*Ay+By)/3); serp(level-1,(2*Ax+Bx)/3,(2*Ay+By)/3,(Ax+Bx)/2+sqrt(3)*(Ay-By)/6,(Ay+By)/2+sqrt(3)*(Bx-Ax)/6); serp(level-1,(Ax+Bx)/2+sqrt(3)*(Ay-By)/6,(Ay+By)/2+sqrt(3)*(Bx-Ax)/6,(Ax+2*Bx)/3,(Ay+2*By)/3); serp(level-1,(Ax+2*Bx)/3,(Ay+2*By)/3,Bx,By); } else fillpoly(2,poly); } int main(void) { int graphdriver=DETECT, graphmode; initgraph(&graphdriver, &graphmode, ""); int i, … |
| | I need to create a Space Invaders kind of game and I have a demo I need to copy the main features from. The invaders have to be of at least 3 different types and they change color. So I figured the invaders are 3 child classes from a parent … |
 | In C++, where are the header files that define the standard primitives and bitfields? I would like to confirm something, if it is possible. -Alex |
| | Hello, I am trying to declare a 2D array (3x3) inside of a class. I have it set up like this: GameBoard.cpp[CODE] #include "GameBoard.h" #include <iostream> using namespace std; char board [3][3]; GameBoard::GameBoard() { board [0][0] = 'a'; board [0][1] = 'b'; board [0][2] = 'c'; board [1][0] = 'd'; … |
 | Does anyone actually use the .hpp file extension for C++ header files? I've never seen it used, but I was just working with geany, and I noticed that it only syntax highlights C++ specific things if the file extension is .hpp (or .cpp, obviously, but not .h). So what's the … |
| | [code] #include<iostream.h> int main() { int row1[10]; int col2[10]; int m,n,p,q; cout<<"Enter the number of rows in matrix A"<<endl; cin>>m; cout<<"Enter the number of columns in matrix A"<<endl; cin>>n; cout<<"Enter the number of rows in matrix B"<<endl; cin>>p; cout<<"Enter the number of columns in matrix B"<<endl; cin>>q; if(n!=p) { int … |
 | Hi, i was tring to figure how set display mode to fullscreen under win2000, i saw at msdn that theres a SetConsoleDisplayMode, but that is for winXP +.. I tried [CODE] //sets the console window //to fullscreen void FullScreen(){ HANDLE consolehandle; int sysmetrics_x=GetSystemMetrics(SM_CXFULLSCREEN);//get full width int sysmetrics_y=GetSystemMetrics(SM_CYFULLSCREEN);//get full height COORD … |
| | Hello, I'm having a simple problem. For my program, each song has an id number which stores the songs information. For my deleteSong function, I am asking the user what id of the song does he/she wants to be deleted. After the user enters the id of the song he/she … |
| | Hi, I have a program problem with converting decimals to binary and back again. My teacher said that the program is to be like a menu and convert decimals or binary from the user's input. This is part of my code: [code=cplusplus] #include <iostream> #include <string> using namespace std; void … |
| | how would I get the install directory of another program, the registry perhaps? (using HLDS as my directory to be found) [URL="http://storefront.steampowered.com/download/hldsupdatetool.exe"](GET HLDS HERE!)[/URL] i fond the key which might be useful. (how would i open it? [CODE][HKEY_CURRENT_USER\Software\Valve\HLServer] "InstallPath"="C:\\hlds" "Full Name"="Half-Life Dedicated Server" "Region"="5" [/CODE] |
| | I've been trying to convert my Modular programming code from array to link list.. the whole program is kinda messy now.. could anyone help me figure out what problem am having with the code? PS: am using Vc++6 to compile... Thanks in Advance  |
| | whenever the clearMemory function is called i get a segmentation fault and i can not figure out whats wrong. The function is supposed to delete all pointers. The function brings in the pointer to the linked list by reference. The nodes in the list are structs i named bus that … |
The End.