51,593 Topics
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| | Hi, I am creating a chess program. I am creating each piece on the board. But when I try to compile the bishop piece I get this error [B][I]FATAL : Out of Memory in function set.[/I][/B] What does this mean? |
| | Hi for all, I'm newer with Delphi can anybody help me to convert the following c++ code to delphi7 one's. many thanks in advance c++ code : ********************************* #include <stdio.h> #include <stdlib.h> #include <signal.h> #include <ctype.h> #include <string.h> #include <errno.h> #include <sys/param.h> #include <sys/types.h> #include <netinet/in.h> #include <sys/socket.h> #include <netdb.h> …  |
| | Hello; I need to develop a money class that will simulate the cash box of a register. The cash box will contain coins and currency in the following denominations: $100, $50, $20, $10, $5, $1, $0.25, $0.10, $0.05, and $0.01. I am barely new in C++. I couldn't figure out … |
| | Can someone help me figure out how to either round up or down down the numbers? The numbers are used with the asterisks in the bar graph. I'm not sure if I should be using fmod or the round function. Any help would be appreciated. [CODE] #include<iostream> #include<iomanip> #include<cmath> using … |
| | Hello, Basically I'm trying to use operator<< to display items from a linked list. coding in the header file. [CODE] template <class DataType> struct Node { DataType info; Node<DataType> *next; }; template <class DataType> class LinkedList; template <class DataType> ostream & operator<<(ostream & output, const LinkedList<DataType> & rlist); template <class … |
| | Hi everyone, can anyone tell me what is an alternate of graphics.h in visual studio/visualc++. Graphics.h is not working on my turbo c complier.plz tell me..  |
| | Ok so I've got this homework problem thats killing me. Here's the problem: A bank account charges $10 per month plus the following check fees for a commercial checking account: $.10 each for fewer than 20 checks $.08 each for 20-39 checks $.06 each for 40-59 checks $.04 each for … |
| | in my code i have declared [CODE]typedef signed long long int slong; const slong limit=4000000; const slong limitsqr=2000;[/CODE] i then created an array [CODE]slong* array=new slong[limit];[/CODE] without any problem. when i try this [CODE]slong* newarray=new slong[limitsqr][limitsqr];[/CODE] i get the error message: in function int main() cannot convert slong(*)[2000] to slong … |
| | [CODE]#include<iostream> #include<iomanip> #include<string> class Pizza{ public: std::string type; std::string size; int toppings; Pizza(){} void setType(std::string type){ type = type; } std::string getType(){ return type; } void setSize(std::string size){ size = size; } std::string getSize(){ return size; } void outputDescription(){ //cout<<"A " cout<<getType(); cout<<" pizza; } }; int main(){ Pizza large … |
| | Hello, I want to write a program in C++ that approaches the number pi by using the Monte Carlo algorithm. Therefore I need random numbers. When the amount of random numbers goes to infinity, the probability will approach the theoretical propability, which is a function of pi. I know all … |
| | Hi there. I am trying to create a class rectangle. It should have data members length and width of type float (which should default to 1). The class should have member functions that calc. area() and perimeter() and also separate get() and set() functions for length and width. These should … |
| | [code=c++]while(!infile2.eof()) { size_t found; string temp2, store, wordtobold; string command1 ("bold"); size_t prev_pos = 0, pos = 0; getline(infile2, temp2); store += temp2; found=store.find(command1); if (found!=string::npos) wordtobold = store.substr (found+4); while( (pos = wordtobold.find(' ', pos)) != string::npos ) { string wordtotag( wordtobold.substr(prev_pos, pos-prev_pos) ); cout << wordtotag; prev_pos = …  |
| | Hi i was wondering if someone could tell if i am anywhere close to being on the right track. I have to create a program which adds, subtracts, multiplies, and divides fractions. I really am trying to get a grip on learning this stuff, so anyone who could give some … |
 | I wonder if anyone can point out the source of my error. I am using the SDK for commercial software which _requires_ that I build etc in Visual Studio 2008. I confess that my C++ is rusty at best and that I don't understand a lot about using Visual Studio. … |
| | Hi all, I have this string "May 19, 2009 15:39:41.606809000" , i need to get the seconds into a double variable. My code is like this: [CODE]double sec; string seconds = str.substr(19,10); istringstream(seconds) >> sec; [/CODE] The thing is that seconds = 41.6068090 , but sec = 41.6068 Why doesn't … |
| | so I'm writing a binary search tree and a (so far very short) program taht uses it. Here's the code as it is (excluding any functions it doesn't actually use yet) main.cc: [CODE=c++]#include <ctime> #include <cstdlib> #include <iostream> #include "bintree.h" using namespace std; int main(){ double aipls[500]; bst<int> k; int … |
 | Hi there, I have a question about header files/source files in Visual C++ (I use visual c++ 2005 express). I used to put all my code in one single .cpp file but now I have a test program (done by my tutor at Uni) which has 3 files: 2 .cpp … |
| | Hi everybody, I bought the book "Deitel C++ How to Program, edition 5", and i am doing the exercises of the chapter 4, the exercise 4.28 ask you to write a program that print the following figure: [ICODE]* * * * * * * * * * * * * … |
| | So I've implemented the binary search tree but i get an error from the insertion function this is my code: [CODE]#include<iostream> #include<stdlib.h> #include<malloc.h> using namespace std; struct NOD{ int inf; struct NOD *left; struct NOD *right; }; NOD *root; bool Erase(int nr); void Insertion(int nr); int Search(NOD* node,int target); void …  |
| | I am developing an application using Win32 GetOpenFileName win32 API. When the window opened even if I click cancel memory usage incredibly increases from 2 mb to 8 mb. What could be the reason of this behaviour? Thanks in advance.  |
| | hey frnz i need 2 make a c++ project ...but i dunno wat 2 make im so confused help me out..i need a guidline |
| | This code has errors [CODE]#include <iostream> void main() { int var [10]; for (I=0; I<5; I++) cout << var(i); }[/CODE] Now what I have come up with is this to correct the errors that I see. [CODE]#include <iostream> using namespace std; void main() { int var [10]; for (i=0; i<5; … |
| | Hi, Friends Here is a site which has video lecturses on C and C++ which are downloadable [URL="http://freevideolectures.com/computerscience"][B][COLOR=blue]http://freevideolectures.com/computerscience[/COLOR][/B][/URL] |
| | im trying to output my bfs in this manner, showing the connections rather than the individual nodes: input 0 1 1 0 1 0 0 0 1 0 0 1 0 0 1 0 output (0,1) (0,2) (2,3) rather than: 0 1 2 3 this is my code so far, … |
| | Hi, I wonder how it would be possible to programatically take a screen shot (Print screen) Then second, I do wonder how I now can save this screen shot to a .BMP or .JPG file? I would be happy to learn how this is possible to do. Thank you! |
| | Hi all, I have a double pointer in C as follows: [code] void foo(char * , char**); main( ) { char * inbuff = {0x10,0x20}; char * outbuff; foo(inbuff, (char **) &outbuff); } void foo(char *inbuff, char ** outbuff); { //code to manipulate inbuff and outbuff. *outbuff = (char *) … |
 | So I am trying to set up Lua on Visual C++ 2008 and I keep getting this error: [B]error C3861: 'luaL_newstate': identifier not found[/B] Here is an example of my code: [CODE] #include <iostream> extern "C" { #include "lua.h" } using namespace std; int main(int argc, char* argv[]) { lua_State … |
| | So basically, I have this: [CODE=C] bool getDouble ( double & value, const string & prompt); int main() { char userSelection; do { cin >> userSelection; if (userSelection == '1') { double radius; if (getDouble (radius, "Please enter a value: ")) { cout << "good"; } else { cout << … |
| | Why is this not reading from the file The contents of the file [CODE] 123456 James.Watson 234567 12.Clover.Crescent Spanish.Town St.Catherine Single Standard Passprot [/CODE] [CODE] ifstream file; file.open( "guest.txt", ios::in ); if ( !file ) { cerr << "File could not be opened" << endl; exit( 1 ); } guest … |
| | Hello, I am currently working on a program that is supposed to do the following: I am supposed to take a data file of 5 student names that are in the following form: lastName firstName middleName. I am supposed to convert each name to the following form: firstName middleName lastName. … |
| | I need help in calculating the variance for randomly generated values (using srand(seed)). When i input 5 i should get 97359589.15265 but i am getting 1.29888e+010. I am almost positive i went wrong in the calculation of the variance but have no idea what to do in making it correct. … |
| | Hi, I'm working on an overloding operator homework. I'm overloading the + = += << [] && operators to work with objects that contain int arrays that can be set to have index from x to y instead of 0 to x. I'm getting the LNK2010 & LNK1120 errors on … |
| | An exercise is to write a program that shows how memory is allocated to stack variables compared to heap variables. I ran the following code. [code] #include "../../std_lib_facilities.h" int main () { char c = ' '; char ch0[10]; char *ch = new char[10]; char *init_ch = ch; cout << … |
| | Im just trying to read a file to see if i did the code correctly but I keep getting this error. Any help is appreciated. [CODE]#include<stdio.h> #include<stdlib.h> #include<string.h> struct Node { char name[15]; char title[15]; int year; struct Node *next; struct Node *prev; }; typedef struct Node* Box; Box build_node(FILE … |
| | So I'm writing a sorting program for my class where we're required to sort three files by Insertion Sort, Shell Sort, and Quick Sort. By the way that it works, I ended up using vectors for all the data, and I've got Everything working now, except for the shell sort. … |
| | [code=c++] while( getline( infile2, temp2 ) ) { size_t prev_pos = 0, pos = 0; while( (pos = temp2.find(' ', pos)) != std::string::npos ) { string wordtobold( temp2.substr(prev_pos, pos-prev_pos) ); cout << wordtobold << '\n'; prev_pos = ++pos; } string wordtobold(temp2.substr(prev_pos, pos-prev_pos) ); // Last word cout << wordtobold << … |
 | If I use a template function with T where T = itk::Image<unsigned char>::Pointer, everything is fine: [code] #include <itkImage.h> class Test { public: template <class T> void Add(T patch); }; template <class T> void Test::Add(T patch) { } int main(int, char*[]) { Test a; itk::Image<unsigned char>::Pointer image; a.Add(image); return EXIT_SUCCESS; … |
| | Just started learning C++ today. I'm writing a program to keep up with school assignments. [CODE] #include <iostream> #include <stdlib.h> #include <fstream> #include <string> struct Assignment { string Period; string Title; string Page; string Date; string Instruct; }; void NewAssignment() { system("CLS"); Assignment Work; cout << "New Assignment Entry" << … |
| | I'm having so much trouble with this assignment, and I was wondering if anyone would be able to help me out. Here is the assignment: This program uses the file "cities.txt", which contains over 136,000 location names in the United States. Each line of the file contains a place name … |
| | Plz help, I have declared three stuct struct student { CString Struct_Name; CString Struct_RollNo; }; struct Division_struct { CString strDivName; CArray <student, student>arrStud ; }; struct Class_struct { CString strClassName; CArray <Division_struct, Division_struct > arrDiv ; }; ///to access class struct CArray <Class_struct,Class_struct> arrClass ; My question is how to … |
| | I'm making a hash table using a linked lists to handle collision. So I'm creating an array of "head" pointers to access each linked list. I can't figure out why I'm getting the error below: error C2440: 'initializing' : cannot convert from 'LinkHash::ListNode' to 'LinkHash::ListNode *' I commented **not working** … |
| | I am working on the UVa problem 10032 - Tug of War, where I'm given the time constraint of 3 seconds to solve the problem. I have pasted the criteria for the problem below. [INDENT]A tug of war is to be arranged at the local office picnic. For the tug … |
| | Sinx= x- (x3/3!)+ (x5/5!)- (x7/7!)+....... I can't solve it Please help me........ |
| | I'm pretty sure there's just a small bug I'm missing, but I can't seem to find it. Error: g++ -Wall Proj3.cpp -o proj3 -pthread Proj3.cpp: In function âvoid initLockVar()â: Proj3.cpp:52: error: expected primary-expression before â{â token Proj3.cpp:52: error: expected `;' before â{â token Proj3.cpp:256: error: expected `}' at end of … |
| | It may be the compiler, but it just doesn't work. The program it's suppose to return the string "a m". [CODE] #include <iostream> #include <string> int main(int argc, char *argv[]) { std::string x = "hola mundo"; std::cout << fromto(x.c_str(),"l","u") << std::endl; return 0; } [/CODE] [CODE] const char* fromto(const char* … |
| | Hi all, i'm working on some exercises which i have to load data from Image library. I write a load function and it work fine except when the number of images in the library becomes large. At this moment, the limited number if around 700 images. When the number reaches … |
 | hi guys, i'm just starting out c++. Now the problem is, no matter whatever program i write, i'm getting this warning. [QUOTE]#warning This file includes at least one deprecated or antiquated header. \ Please consider using one of the 32 headers found in section 17.4.1.2 of the \ C++ standard. … |
| | Hello everyone I am trying to find duplicates for part of a string, not the whole stHello everyone I am trying to find duplicates for part of a string, not the whole string. The strings are stored in a file. Each line of file contains a string and many of … |
| | Hi , I am basically working on a snakes game in C++. I have managed to move the snake around on the screen with the WASD keys . The snake is a result of a looped putpixel() functions in the ancient graphics.h Borland file. I was hoping to find solution … |
| | i've started learnin OOPS lately... and i hav a question... check it out... i started studying abt friend class and friend functins... a friend function program... now, how can i write a progarm 2 add two complex variables... can i use: void getdata() { cin>>a+i; cin>>b+i; } to input two … |
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