51,593 Topics
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 | Here is my code : #include <iostream.h> int main (int argc, char * argv[]) { struct { short Signture; long FileSize; short Reserved1; short Reserved2; long ImgDataStartOff; long InfoHeaderSize; long Width; long Height; short Planes; short NumbOfPix; long Compression; long SizeOfImgData; long HRes; long VRes; long NumOfCol; long NumOfImpCol; } … |
| | Hi all, first time posting here, I need some help with this, as my knowledge of c++ is shaky at best. I have points defined like this: [CODE]struct Point { double x, y, z; };[/CODE] I have a 2d vector filled with vectors of these points: [CODE] vector< vector<Point> > …  |
 | I was wondering whether it was possible to use dynamic memory or something else to achieve something to the effect of entering numbers or a string using standard input without first having to specify how many instances you intend to enter. If this can be done through some other method … |
| | I have a custom .Ini file that looks like this : [QUOTE] [Main props] lives=3 name=danny [Mommy props] lives=2[/QUOTE] I want to know how to read from the "Main props" section and assign a new value to the "lives" key and also reading from the "name" key. I dont know …  |
| | I want to know how to make a Bot, regardless game bot or not, I want to know how to move the cursor and how to pinpoint it's destination, how to differentiate between right click and left click. I want to know all about Bot making. Any 1 could help … |
| | Hello everyone, i'm new in c++ and i found a problem when created a code. I want to create a code which read from file .txt and then count the number of each value of the attribute, as the text file below: the attribute is'bembi' and the value is '1,2,3'. … |
| | Hi When I run this program instead of getting the values I initialized with the constructor, I get -858993460. I guess it's wrapping around in some way. Anybody have an idea? Thanks for your help #include <iostream> using namespace std; class Employee { public: Employee(int Age, int Years, int Salary); … |
| | Hi, I'm using Borland C++Builder V5.0. I simply want to pass a variable between two C++ TThreads. I searched a lot on the Internet but can't find anything like that. Simply copying by calling another threads function or property is no option. The compiler thinks it's okay but when executing … |
| | I want to optimize the following small integer program in speed. My g++ compiler version is 4.3.4 on 32 bit linux. Please suggest or comment the following ideas. Some ideas are: 1. use compile flag such as -O3 2. rewrite the bigger function with function object [CODE]#include <algorithm> #include <cstdlib> … |
| | HIII!!! i need to know how to make a random movement for a character?? [CODE]#include <iostream> #include <conio.h> #include <windows.h> using namespace std; char board[20][20]; void setBoard () { for (int j=0; j<20; j++) { board[0][j] = 219; board[19][j] = 219; } for (int i=0; i<20; i++) { board[i][0] = … |
| | I'm having an annoying issue with this code. I get a segmentation fault because of the loop wrapped in comments. Any ideas? This is the goal of this program: First I wrote a simple c++ program and compiled a binary file for it. I then use readelf to dump the … |
| | this is NANDHA KUMAR a class 12 student.. i have to do a project in comp science..... :( i have decided to do a project on super market billing or departmental stores billing.... I SHUD DO A PROJECT IN C++ WHICH INCLUDES CLASSES AND OBJECTS..... if anyone of u can … |
| | Hello. This is my program: [code]#include <iostream> #include <cstdlib> #include <fstream> using namespace std; int main() { ifstream a; ifstream b; ofstream c; a.open("a.txt"); b.open("b.txt"); c.open("c.txt"); int x; a >> x; b >> x; c << x; a.close(); b.close(); c.close(); system("pause"); return EXIT_SUCCESS; } [/code] In file "a" I have … |
| | If i had an Array as seen below, is it possible to use the rand function to randomly select an element within that particular array; if so how can this be done. The Value of the element will be outputted. Any help much appreciated...:) [CODE]int Array[14]={10,10,10,10,11,6,9,2,3,15,11,15,16,15};[/CODE] |
| | can any one tell me whats the problem in evaluation of postfix [CODE] #include<iostream.h> #include<conio.h> #include<string.h> #include<stdio.h> #include<ctype.h> #include<math.h> #define MAX 20 char stack[MAX]; int top=-1; char pop(); void push(char val); int prcd(char symbol) { switch(symbol) { case '+': case '-': return 2; case '*': case '/': return 4; case …  |
| | Hello, I have problem using StrToDateTime function from Borland in my project. I made a custom component, it's called Month view (calendar). One of the basic steps of the component's initialization is to set the default month and year. To do this, I use the "1/1/2010" string passed to StrToDateTime … |
| | Hi, I am using Sparselib++ in this C++ program. [code]#include <iostream> #include <cstdlib> #include "comprow_double.h" using namespace std; int main() { cout << "Sparse example" << endl; // prints Sparse example double val[12]={1,2,3,4,5,6,7,8,9,10,11,12}; int colind[12]={0,1,4,0,1,2,1,2,4,3,0,4}; int rowptr[6]={0,3,6,9,10,12}; CompRow_Mat_double R (5,5,12,val,rowptr,colind); return 0; }[/code] Since I use Eclipse, I have added … |
| | How do I generate an 'Out of Memory' exception for testing purposes in c++? I tried real big arrays but the compiler came up with this: "total size of array must not exceed 0x7fffffff bytes" So i tried the maximum limit allowed by the compiler and still no exception generated... |
| | how can we make a C++ program that identifies whether the user has input a vowel or a consonant specifically by using the SWITCH structure? i mean its simple with if-else but is there a way it can be made with switch and not if-else? |
 | Could anyone point me to a good C++ compiler for Ubuntu, other than Mono. Note that I was using Visual C++ 6. thanks. |
| | My delete function set works perfectly for all nodes but the leaves. The program doesn't crash until I try traversal again, not when actually deleting a node. Here is my code: [CODE=c]void BinaryTree::DeleteNode(int deleteItem) { TNode *current; TNode *trailCurrent; bool found = false; if (root == NULL) cout << "THE … |
| | Hi, I believe this is my first posting to DaniWeb, so thanks very much in advance for your time! I have been doing some searching and I am not sure of a definitive answer to the following problem. I am attempting to make a class that can store a set …  |
| | I need to prevent my window from going minimized to tray when I click the Minimize-Button. I write in native C++ with additional use of DX10, DXGI, Direct2D and DirectWrite. I proceed the WM_WINDOWPOSCHANGING. But how did I know if its triggered from a Minimize-Button ( WM_SIZE is already too … |
| | In my code, I am trying to open a directory of Solaris OS from Windows OS using FindFirstFile(). In Windows XP, the code is working fine but in Window 7 same code is not working. FindFirstFile() returns INVALID HANDLE in Windows 7 and GetLastError() return error code 50, which means … |
| | Hi, I try to make graphic editor with buttons on the left and opengl window on right. Currently I have done it like two windows - opengl and that tool bar.But I want it to be in one window like in most of programs. I have looked for it for … |
| | OK, what's wrong with this? [CODE=C++] int main(int argc, char* argv[1]) { //declare argc and argv to check command-line arguments string arg = argv[1]; //convert char to string if (argc == 2) { //test if arg was entered if (arg == "test") { //test if arg is 'test' printf("you entered … |
| | Hey guys im having a bit of trouble with bubble sorting an array from a file... Basically what needs to be done is i need to read a text file into a struct array and then copy it into a new file after sorting it by a string field can … |
| | [COLOR="Red"][I]Hey everyone, I've finally gotten my program to build with no errors or warnings and I can run it but it doesn't give all of the correct output. The Instructor provided my class with what the correct output should be and my program gets it partly right just not all … |
| | Hello there! I'm new programming in C++, have been learning it for 2-3 months. Now, this uni assignment is working properly, but I'd like to read your advice on how to improve it. All comments are appreciated. Thanks! [CODE] #include <iostream> #include <fstream> #include <string> using namespace std; const int … |
| | Hi, I'm trying to do a hashing project using separate chaining. In order to do the separate chaining I believe I need to make a dynamic array of pointers to the linked lists. This is due to the fact the user can specify the hash table size at runtime. In … |
| | Hello guyz !!! I came across this problem and I am still unable to come up with a good algorithm to solve this problem Problem : given, 1<=n<=1000000, and 1<=k<=9 , calculate the first and last k digits of n^n. for example if n=13 and k=4, then result : first … |
| | [CODE]#include <iostream> #include <conio.h> #include <windows.h> using namespace std; char board[20][20]; void setBoard () { for (int j=0; j<20; j++) { board[0][j] = 219; board[19][j] = 219; } for (int i=0; i<20; i++) { board[i][0] = 219; board[i][19] = 219; } for (int j=1; j<19; j++) { for (int i=1; … |
 | [code] cout << "Introduceti numele: "; // 1 getline(cin, firstname); cin.ignore(); p.setNume(firstname); cout << "Introduceti adresa: "; //2 getline(cin, adr); cin.ignore(); p.setAdresa(adr); cout << "Introduceti CNP: "; //3 cin >> c_n_p; cin.ignore(); p.setCnp(c_n_p); cout << "Introduceti seria si numarul buletinului: "; //4 getline(cin, serie); cin.ignore(); p.setSerienr(serie); cout << "Introduceti valabilitatea … |
 | Hi people, I'm trying to match strings from a pattern containing[B] wildcards[/B]. Basically I need to be able to go through a stack of strings, and see which of them matches my pattern. Fx [B]My*.txt[/B] will match only one of these. [U]MyFile.txt[/U] [I]MyFile.php[/I] I'm aiming to end up with a … |
| | Hi How can I protect/lock a drive from deleting files and format it ? Is there a way to hook a drive? |
| | Hi, I am write code about stack[pop,push,overflow,underflow] but i think i have Mistake in underflow and overflow .. and how i can Enter any thing in my array .. like if i want to enter [$] or[xxxxx] whatever not only int if you can correct in same code >> [CODE]#include<iostream.h> … |
| | Hello, I've got a pretty much burning question here. Its about BitBlt. I have a window that functions as a button but I wanted to do some markup on it. So I the added BS_OWNERDRAW style to the button, and wanted to BitBlt an image on it. I tried it … |
| | If I this function: [CODE] void drawRect(int x1, int y1, int x2, int y2){ HDC screenDC = ::GetDC(0); ::Rectangle(screenDC, x1, y1, x2, y2); ::ReleaseDC(0, screenDC); } [/CODE] How would I clear the screen of the white rectangles ? Can I make them another color ? :) |
| | I'm implementing my own hashtable class as practice, but I'm having trouble retrieving values from the table that were inserted from a file. When I do so from an array however, the program finds the values without a problem... I've tried modifying my hash function to adapt for any potential …  |
| | [CODE]struct piece { piece(){} piece(int spacs[][3]) { spaces = spacs; } int spaces[][3]; };[/CODE] /home/myname/Programming/C++/blokus1/game.hpp|11|error: incompatible types in assignment of ‘int (*)[3]’ to ‘int [0][3]' How can this be fixed? |
| | Hy! I have a project and hav to submit it at 13 june. Can somebody help me to add "Search Code" in this code. Its a student class a data abt student. If i want to search student data printed as Name: Father name: Id: and other data like this … |
| | Hello guys!i am kinda new to C# and i am just learning....the thing is..i want to make a little app.I made something like a login form with a username and password textbox.i need these textboxes to go into the acces database(which i succesfully added to the project and all it …  |
| | Write a program that reads in a sentence of up to 100 characters and outputs the sentence with spacing corrected and with letters corrected for capitalization. In other words, in the output sentence, all strings of two or more blanks should be compressed to a single blank. I don't know … |
| | Is is possible to define a method which returns a delegate, without first creating a delegate type? For instance, in C or C++ I can define a function pointer type, then define a function which returns a function pointer of that type: [code=c]typedef int (*IntVoid)(); // function pointer type IntVoid … |
| | I understand the concept of a binary tree. So I guess, for a programmer defined binary tree, is it basically a doubly linked list except your 2 pointers are your branches? |
| | Hi guys, I am bringing a problem which I thought I had solved, but it has re-reared its ugly head. The problem is one of user input (I can hear you veterans audibly say "Aargh!"). I wish to remove serial numbers (of type string) from a set. To give you … |
| | [B][I]wii anybody plz tell me that how can we count a char in file when it repeats;[/I][/B] |
| | I have to write two arrays of 10 random numbers betwwen 1 and 25 then sort those two arrays in increasing order then make a third array that has all the numbers of the first two arrays in sorted order but no duplicate numbers in the third array. Here are … |
| | Hi, I have to write a little game for school. I am new at C++, but I have to do it on SDI. My idea is to make something like this one: [url]http://scratch.mit.edu/projects/Dthen/3801[/url] I have some questions for you: 1. How to remove the status bar from Main Window of … |
| | hi, i hv to do the inverse of a matrix by row elimination plz help |
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