General C++ Programming - C++ Forum

Please refer the the post: http://www.cplusplus.com/forum/articles/6046/ On line 25 it says myStream >> myNumber where myNumber is initialized to 0 in lin...

[4 replies] Last: it says to read an integer from the stream and put it into myNumber. ... (by jsmith)

by angelinetan85

Background Subtraction

I really need help in the codes below? If anyone knows pls help me out! I don't understand that why we need to set the high threshold to 7.0 and low threshold t...

[1 reply] : If you used Code tag's then maybe your code would be slightly readable (by jloundy)

by awais hec

need explanation for one line of code

class const_iterator: public map< T, int >::const_iterator { ............. }; Currently i am reading Data Structures with C++ using STL. In the source c...

[2 replies] Last: This part class const_iterator means you're declaring a class called... (by Hammurabi)

by iochinome

convert rgb to bmp file

hello all, i am trying to convert a rgb colorspace retreived from a webcam into a bmp file so it can be viewed. does anyone know the process for doing this? it ...

[no replies]

by Vicky

C++ Book

can some body give me the internet link of the deitel and deitel c++(2nd edition), from where i could download this book in pdf format or some other readable an...

[4 replies] Last: I wouldn't even bother with large books now adays. I barely ever open... (by kempofighter)

by helios

SDL and main()

I found this in SDL.h: #ifdef __cplusplus #define C_LINKAGE "C" #else #define C_LINKAGE #endif /* __cplusplus */ /* The application's main() function...

[6 replies] Last: This is a known issue with SDL. When I tried it - I did do the undefi... (by guestgulkan)

by pccX

open file with a variable file name

When we want to open a file using C++ instruction, 'open()'. The file name must be 'const string'? I have tried to find the way to use a variable file nam...

[3 replies] Last: Helios and EverBeginner, Thank for your answers. (by pccX)

by TheCluelessGuy

2D C++ Game Programming

Does anybody know some good programs/libraries to help me get started making games in C++? 2D for now, I don't think I'm ready for 3D yet. Thanks.

[4 replies] Last: Allegro still exists, but its really only for hobbiests that have no i... (by Return 0)

by andonyan123

Problem with operator overloading

Hi everyone, im fairly new to programming and i'm having problems solving my homework. My assignment is: Define a class Quadratic that stores the coefficient...

[9 replies] Last: Return a reference (ie, pointer) to a stack variable that has since be... (by jsmith)

by GenTiradentes

Reorder dimensions of a dynamically allocated array

So I have a 2D pointer array of integers: int** someArray = new int* ; for(int i = 0; i < sizeFirstDimension; i++) someArray = new int ; This a...

[4 replies] Last: Nope. (by Hammurabi)

by Return 0

To Typedef or not to Typedef

That is the question... I have yet to find any resource that can convince me of the value of typedef and yet its crawling around everywhere in C++ programs. I...

[14 replies] Last: I use typedefs to minimize ugliness and make code more readable. ... (by Hammurabi)

by RicksteR

How do I instantiate an object within an object?

Heyy what im trying to do in this program is create a new instance of another class within a class. Im having trouble doing so, iv already tried defining the 'W...

[2 replies] Last: Haha is that it? ah thanks alot :] (by RicksteR)

by asma1

need solution

Problem Statement: 1. Create a BankTransaction class. 2. Create following static data members: Balance to show balance. New Balance to get Ne...

[4 replies] Last: This website is not only for you, but that doesn't forbid you to post ... (by wmheric)

by sidekick3006

Produce a usable program?

Ive taken a class in C++ and played with it a little so I know the basics, but Im having a little problem. This is a very simple question that Im afraid probab...

[3 replies] Last: Hello, There are no usable standalone exes that can be produced by ... (by EverBeginner)

by Jmartian

problem Counting letters in a dynamically created array of chars

This program is supposed to store random lowercase letters into an array and then count each letter occurence. My problem is that for some strange reason this p...

[3 replies] Last: Make your life easier. For dynamic arrays, use std::vector. For coun... (by kempofighter)

by EverBeginner

C++ does not let to express voids naturally

Hello EverBody, I am trying to express naturally: void __stdcall functWrite_ItUp(void* ptrROW) { (byte*)ptrROW ='A'; (byte*)ptrRO...

[2 replies] Last: Thanks. (by EverBeginner)

by oramiq

what is this??

hello every body i saw a code that contain strange charachter "~" it is used with zero only ex: if(x==~0) ex2 y=~0 any body know what is this mean ...

[4 replies] Last: i compile the code today with no errors !!!!!!!!!!!!!! i didn't chang... (by oramiq)

by GenTiradentes

Passing a 2D array to a function

I have a 2D array, "someArray" I'm trying to pass to a function. This function needs to iterate through the 2D array, treating the second dimension as a single-...

[7 replies] Last: x_x yeah sorry. I didn't see your username, I just assumed you wer... (by Disch)

by amanyasin

LNK1120 error

Hi, Dear can you guide me to solve this link error. i think there is no problem visual studio settings. 1>AlgoPC.obj : error LNK2019: unresolved extern...

[7 replies] Last: When dealing with template classes and functions, the easiest solution... (by jsmith)

by nhimxivn

Can we delete a line in cosole windown?

I'm newbie, so there are manything i don't known. To clean screen we can use: clrscr(); // In Borland C system("cls"); // With Visual C++ To delete a cu...

[1 reply] : Take a stroll through the Windows Console Functions http://www.google... (by Duthomhas)

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General C++ Programming - June 2009 (Page 10)