General C++ Programming - C++ Forum

Hi, I have a class that has a function that dynamically allocates a friend class and tries to access one of its private methods. I'll simplify the code to sh...

[2 replies] Last: Much appreciate the quick response, works like a charm. (by yoonkwun)

by hazarada

hook dll

Hello, ive been trying to create a winsock send/recv hook dll which i could inject into programs but despite my best efforts it just crashes the target program....

[no replies]

by ibwood

Program character interpretation USB ports

Hi all, I am working on a program that takes a character input from the user and sends information through USB ports to motor controllers of a robot. The pur...

[6 replies] Last: Awesome thanks! That fixed the problems :) now i just need to somehow ... (by ibwood)

by agoswami

Singleton Class

I have some question about singleton class. 1) what is singleton class 2) how can a write a signleton class code 3) can we write any class which return...

[8 replies] Last: It's not so simple to create a template for a Singleton class. If it ... (by jsmith)

by skater

Need an ideea for Chess

Hi everyone, i am looking for a way to generate the moves for each depth without them interfering with eachother, More explicitly i'm looking for a way to do Ge...

[9 replies] Last: UPDATE: i've implemented a depth-first like algorithm .. that ta... (by skater)

by aymank1985

multimap inside class accept stuct

Hello guys I am stuck in a small part . How do you declare a class class test{ private: multimap<int, stuct member<; }; its not working with me , can ...

[6 replies] Last: Good catch. I was thinking of actually comparing pair to pair, but th... (by moorecm)

by forstudy3

vector push_back crashes application

In my C++ app. code created using VS 2008 I have used vector to store name of comp.The issue I m facing is if comp name is somewhat smaller (lets say "p1") it w...

[3 replies] Last: Well what does ConvertWstringToString do? How do you expect us to kno... (by kempofighter)

by timothyguo

reference parameter in constructor

class engine{ public: engine(); engine(const engine& eng); engine(double mass); ~engine(); void run(); private: ... }; class rocket{ public: ...

[4 replies] Last: I got it! rocket::interval is a struct timespec* pointer. I now... (by timothyguo)

by mohammedhmandour

What is wrong with this?

when I enter The code below it says 2 errors and both are : too many characters in constant too many character in constant #include <iostream> using nam...

[4 replies] Last: int b is integer type, not a string. You can write #include<string>... (by timothyguo)

by gr3go

simple operator<< question

Hello everbody! I am wondering what is happening behind this code: int x = 4; cout << ++x << x++ <<endl; int y = 4; cout << y++ << ++y; The output...

[4 replies] Last: Thanks for the quick answers :) The undefined behavior seems to be a ... (by gr3go)

by KarlisRepsons

realloc is not your friend?

So the contents of a vector get ALL copied when a memory reallocation happens. I wonder, why exactly did my book say, that realloc isn't my friend and for what ...

[11 replies] Last: Ok, thanks for that. However, it would need to be written for completi... (by KarlisRepsons)

by drBrule

Code::Blocks and GDI+

Hello everyone. I was just wondering if anyone has or knows how to use gdi+ in C::B. I'm using C::B in WinXP with the GNU GCC Compiler and I've downloaded t...

[no replies]

by vivmen

operator overloading fails

hello all here operator overloading of -> operator fails , why ? any idea ? , thanks in advance class test { public: void operator->() { c...

[4 replies] Last: thanks R0mai. it really helps. (by vivmen)

by karthick88

Name Mangling in C++

Hi friends, I came across a thread which said name mangling is the thing which makes C++ code to be re-compiled everytime when a different compiler i...

[11 replies] Last: Yes, it's impossible. Giving the compiler the freedom to generate what... (by helios)

by qabil

about source code

hy.. I have make a program..but I lost the source code can I get the source code from the program ?

[4 replies] Last: I don't think you can get the source. You better get ready to write it... (by EliteHussar2)

by mcleano

Issue with Boost

Im getting a compiler error with boost: 1>------ Build started: Project: boost test, Configuration: Debug Win32 ------ 1>Compiling... 1>main.cpp 1>Plea...

[7 replies] Last: Properties > C/C++ > Command Line (by helios)

by aymank1985

Inherit class form different header file

Hi, I have a problem with my project. I need to inherit a class vector from element class , heres what i have now , i tried alot of things but they didnt work...

[10 replies] Last: I am sorry if i am not clear in explaining the problem . basically fo... (by aymank1985)

by magnificence7

Ctor, Dtor problem with handles

Hi all, I've created a class which uses the winapi. It has a number of constructors and a destructor. The class is called 'Thread'. When I use it like this: ...

[4 replies] Last: Ok thanks! (Many C programmers are used to the "declare on one line,... (by magnificence7)

by yilmazma

hash_set vs hash_map

I have a class that looks like: class MyClass { private: std::string _name; // Some other stuff public: std::string getName(); // returns _nam...

[3 replies] Last: Use a map with the name as the key. (by PanGalactic)

by KarlisRepsons

const pointer in a throw list + inheritance

My experiments with exceptions and throw lists in particular lead me into this problem: I can't compile with GCC the following code, which works just fine, if t...

[11 replies] Last: (And one other thing... it is recommended to throw by value and catch ... (by jsmith)

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General C++ Programming - June 2010 (Page 5)