49,766 Topics
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| | Hello all, what is the difference between [CODE]*grade++ *(grade++) (*grade)++ ++*grade *++grade *(++grade)[/CODE] please with examples... I didn't understand manipulationg pointers very well help asap  |
| | Hi, I've been revising object orientated programming, and decided to have a look at accessing parts of my code in other files. The problem is, I get error messages such as "Player1" not declared, and I can't figure out how to declare them. For example, in my main.cpp file I … |
| | I have been reading about pointers, which IS confusing. I'm sure there is a purpose, but I don't know why I need them yet. For example [CODE] [COLOR=Red]var1 = 23;[/COLOR] [COLOR=Blue]// assigning 23 to var1[/COLOR] [COLOR=Red]var2 = var1; [/COLOR] [COLOR=Blue]// assigning the value of var1 to var2[/COLOR] [COLOR=Red]var3 = &var1;[/COLOR] … |
| | im just a 1st yr college student.can u help me this problems? Compute the power of a number given the base and exponent. Do three versions of this program using a while loop, a do-while loop and a for-loop  |
| | Say i have this 10,000,000 (10 million) byte file. I want to perform multiplication,addition and few other operation on all those bytes(total of 5). And after it is done say if i want to repeat the addition and other operations on the same file like a loop,then How many such … |
| | Hello, Please help me to resize BMP image to bigger and smaller. Actually I'm trying to build PC wallpaer image with some function. And changing wallpaper has no problem but I want to change any image to screen size. Since desktop screen has some infomation section, bmp image should resized …  |
| | I see a runtime error wz message "Unhandled exception at 0x009f5900 in trial4.exe: 0xC0000005: Access violation reading location 0xcdcdcdd5." each time I run the following code. // trial4.cpp : Defines the entry point for the console application. // [CODE]#include <iostream> #include <fstream> #include <string> using namespace std; #define NULL 0 … |
| | Hi guys, I understand the difference is that the params of ctor 2 are declared const with n being passed by reference. However, I don't seem to understand what difference having these params (n and a) declared constant with n being passed by reference makes? I mean, I'd understand the … |
| | hI 2 all, plz I need help in this program I need to draw a right-angle triangle, but empty from inside. this what I did till now: #include <iostream> using namespace std; void main () { int n; int i=1,j; cout<<"Enter the length"; cin>>n; while(i<=n) { j=1; while(j<=i) { cout<<"*"; … |
| | I am attempting to program a doubly linked list template. My program is setup with the class node defined in a header file,the list itself in a header file and finally the main in a separate cpp file which calls the list header. The list header calls the node header. …  |
| | Write a program that will correct a C++ program that has errors in which operator, << or >>, it uses with cin and cout. The program replaces each (incorrect) occurrence of cin<< With the corrected version cin>> And each (incorrect) occurrence of cout>> With the corrected version cout<< For an …  |
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 | I want to know how to write a program that moves for example C:\ex.exe to D:\ex.exe.... What header to use? stdio.h? what function to use? Can i get a link of source(this program) ? |
| | i recently started typing the code for the program to convert a binary number to its decimal form and i got stuck when my compiler reported this error. this is what i have typed till now. [CODE]#include<iostream> using namespace std; #include<math.h> main() { int n,s=0,k=0,a,b,c; cout<<"\n\n\tPROGRAM TO CONVERT BINARY TO … |
| | Heyloo ^_^ I've stumbled upon this code :D [CODE]#define VERSION_MAJOR 1 #define VERSION_MINOR 1 #define VERSION_PATCH 2 #define VERSION ((VERSION_MAJOR << 16) | (VERSION_MINOR << 8) | VERSION_PATCH)[/CODE] I've been searching for some time now, unable to understand what << 16 and << 8 does, and why. I converted VERSION … |
| | Hi boys, I am working for a job interview and I was writing a nice piece of cod in c++, partially copied and pasted. This is supposed to work but now i am obliged to use dev-c++ last version for windows, usually I just use gcc on linux and I … |
| | Hello. I'm wondering if I'm duplicating this class by doing the following. [CODE]SimpleClass *point; SimpleClass sc; sc.somevalue = something; point = new SimpleClass(sc);[/CODE] This post is quite tiny, I'm not being lazy, but I couldn't think of anything else needed for this question. Thanks :) |
 | Hey, I've been working on a project for a while, and had some difficulties at the beginning with the d3dx9.h and lib files, then after some threading here I got the help I needed, or so I thought. It worked well until I decided to make a new project, using … |
| | Hello I am rather new in visual c++ and I learned to code but I didn't find in any book how to ad an interface to my program. So please tell give me some references where from I could learn how to add a proper interface in visual c++. Thanks |
| | Write the definition of a function printGrade , which has a char parameter and returns nothing. The function prints on a line by itself the message string Grade: followed by the char parameter (printed as a character ) to standard output . Don't forget to put a new line character …  |
 | Hello. I have a program that reads from file, modifies its content and saves. But there's a problem - when i write only one block of data, two of them are been written! [CODE]class person { ... }; ... person User; fstream File; File.open("file.dtb", ios::in|ios::out|ios::binary); // Adding 1 record: File.seekp(number, … |
| | Hello, I have done some research and keep getting results to hide the console window. What I would like to do is to hide the output of a command. For example, I have a segment that renews the PC's IP connection, so I get a long stream of the new … |
| | I need to OCR a image and get the text of it .. i wanted to do this in java but , i found out that its hard to implement it that way. so i am trying to do this in C++ .. is there any possibility to do this … |
| | this is the small game using mouse device, I write it in turbo C++, it is a example about using asembler in Turbo C++, but when I write it in Visual C++ 6.0, It haves many error, I think it is a big difficult. Could you help me solve this … |
| | I am coding a program that requires a dynamic 2-d matrix. it is a finite element analysis program using stiffness method to give you some context. Can someone suggest a good free library for matrix operations? Thanks! |
 | i wonder what doesld i use & and * means.....and how could i use both of them?? |
| | Is there any way to hide the command line window where the program runs on? I got a little program and I want to it to go hidden if user writes hide. Is there any way? |
| | I am a new student in this field tell me tips for getting skill in this field |
 | Hi, everyone! I'm having trouble with a linker error (I'm using Visual Studio 2008) and I would like to have some tips on solving this problem: This is my code: Bill.cpp [CODE] #include "Bill.h" #include "../Exceptions/InvalidArgumentException.h" Bill::Bill() { } Bill::Bill(string shopName) { if (shopName == "") { throw(InvalidArgumentException("The shop name … |
 | is there any GDI or GDI+ function or method that copies part of client area? something like this: [CODE] char p[100000]; copy(hdc, p, rectangle(10,10,100,100)); paste(hdc, p, x, y); [/CODE] |
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