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General C++ Programming - February 2009 (Page 2)

here's my simple code.. #include <stdio.h> #include <conio.h> int main () { clrscr(); FILE * pFile; char name , address ; pFi...

[1 reply] : If you can use C++ instead of C you should read this: http://www.cplus... (by Bazzy)

by kartheepanmirra

c++ caling a dll

Hi i have a requirement where a cpp file should load a dll viz gzip.dll.then the cpp should call few methods in the dll.well im able to call the methods with no...

[7 replies] Last: But the problem is i have to decompress the compressed data returned b... (by kartheepanmirra)

by tition

Where is the memory leak?

Hi all, I just learned how to look for memory leaks from this forum, and found my code has one. I eliminated all code not relevant to the memory leak. The c...

[7 replies] Last: [Edit:] besides the below measures I took for a memory leak I found wh... (by tition)

by matrebatre

Saving/loading PNG images (or any other format that supports alpha)

I am trying to make a DLL that generates images out of other images. The DLL has to be small, because the whole point of the DLL is to make my program smaller (...

[3 replies] Last: Isn't there some windows DLL like winAPI to save and load images (my ... (by george135)

by KarlisRepsons

Get a pointer to built-in 3D char array?!

In some cases like when some application needs to describe arguments and options it supports, there is a further need to pass a pointer to that description, but...

[5 replies] Last: Thank you for participating ... (by KarlisRepsons)

by Forcedmeme

Problem with While loop

I have this program due soon but im having trouble adding a "Are you done? (Y/N)" loop in it... i just dont know where exactly to put it here's the program: ...

[5 replies] Last: You do need to declare the Boolean, as all names (identifiers) m... (by closed account z05DSL3A)

by unstman

clear screen??

How do i clear the screen of the program because i want to make a text game??

[1 reply] : If you are using visual studio 2008 or 2005 and have the platform SDK ... (by Mythios)

by platypus1130

terminal shortcuts within source code?

Is there a way to output shortcuts, like CTRL-U, in the source code of a C++ file? And how? (For those of you who don't know CTRL-U clears the line you are typi...

[1 reply] : It's unlikely that your terminal would interpret output as a keyboard ... (by Skorj)

by Tarou San

Using images

I'm pretty new at this yet, so I'm asking if using images is something very... advanced. I would like know that because I wish start create games (very simple o...

[1 reply] : It depends on the library you're using. There are many libraries for ... (by Disch)

by f ben isaac

Can't fstream Grab the Source Code of a Binary File? C/C++

QUESTION: When i read a binary file from fstream, the data in file is read in Hex! If thats true, then i can read any closed source application easily. I jus...

[2 replies] Last: Disch is right, but I would like to add something. What he said is co... (by helios)

by Otto

Playing midi sequences from memory/resource

So I know how to open a resource to memory but don't know how to play it. So any idea how to do that? if it helps, I can use .rmi (riff midi) encryption in my...

[2 replies] Last: Ehhh... Thanks, but I'm not sure about using sdl in my project. I f... (by Otto)

by openSource

interobject communication

hi, anybody have an idea how I can get two objects of the same class to communicate with each other. The objects are contained in a vector. Thanks, openSou...

[6 replies] Last: Make all objects being added to the vector have a pointer to the objec... (by helios)

by masiht

local,static,register,extern and global

I want to know what is local,static,register,extern and global ? please explain with examples.

[2 replies] Last: http://www.cplusplus.com/doc/tutorial/variables.html http://www.cpp... (by elpis)

by thomas2388

2 . cpp files and 1 header file

am making this rectangle program...and my teacher would like us to make the project have 2 .cpp files and header file...i have the program sorta running with on...

[2 replies] Last: Generally the way to seperate/organize your files is to have a class o... (by Disch)

by mansu

Make a snapshot of a website

hi to everyone, i have a little, but nasty, trouble. I have to create a C/C++ program that must create a snapshot of a website and it must be platform indipen...

[no replies]

by elshrew

cout affects memory?

I've been building a basic matrix class (based on Capper's book) to do some other work. While testing the class and functions, I noticed that the result I get f...

[2 replies] Last: thanks for the explanation, this was really frustrating. Is there a b... (by elshrew)

by Mythios

Which one of these would be faster?

Not sure if there is any speed difference at all. I'm not looking for a correct way of doing it. Just curious which is faster or if they are the same. if(...

[9 replies] Last: Though I think something like this would fall under #0 in C++ Coding S... (by jsmith)

by shaoen01

2 Dimension Subscript Operator Overload? (1,2)

Hi all, I am trying to figure out how to do a 2-dimensional subscript operator overload. I have tried searching for some information and found that it is bet...

[22 replies] Last: Thanks Bazzy for being so patient with me! You have helped me so much,... (by shaoen01)

by scuba steve

cin.getline issue in my program

My program is having an issue with cin.getline in my void getnames function. It skips the line completely and doesn't let me input a name. I'm not exactly sure...

[2 replies] Last: Thanks now i know the reason. it seems to work after i put cin.ignore... (by scuba steve)

by masiht

cout.setf(ios::fixed)

cout.setf(ios::fixed) please tell me what is this and why do we use this ?

[3 replies] Last: Well, that would depend on what type of display you want. Usually a fl... (by Zhuge)

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