General C++ Programming - C++ Forum

how to use a dynamic function parameterlist in a function call hierarchy

hi, i have a question about how to use a dynamic parameter list as in the example required. int func2(int a,...) { //her i will use all the parmeter...

[4 replies] Last: Oh, that's a really crappy situation :/ The best solution I can think ... (by m4ster r0shi)

by Ravskie

Detecting if one of the buttons was pressed?

Hey, Here's what im having trouble with; HWND ebutton; HWND mbutton; HWND pbutton; pbutton = CreateWindow("Button", "Play", WS_CHILD | WS_VI...

[3 replies] Last: Fixed (by Ravskie)

by RyanCaywood

Check this out!

This is an example that I found in a C++ book I found laying around: #include <iostream> using namespace std; int main() { float original = 0.0; ...

[2 replies] Last: Here's how I think it should be: #include <iostream> using namesp... (by Athar)

by PiMaster

Operator speeds

I don't care that much about the speed of various operators, but I'm making a game engine, so speed could quickly become an issue. My first question of speed: w...

[10 replies] Last: Is there a faster way to draw one surface to another than nested for ... (by helios)

by closed account 93MGz8AR

implement dictionary with hashtable c++

I want to implement a dictionary using a hashtable. I have a "word" textfile that contains a list of over 100,000 words (each word is separated by a newline and...

[1 reply] : and they would be? (by Seraphimsan)

by Codeboy

Using extended ASCII in C++.

Hi, So I was curious if you could do something like this: #define ∑ 1 Now I mean something like this for the following reason, when I trying co...

[14 replies] Last: I still don't understand what the goal of defining sigma to an integer... (by Rabtherab)

by Ravskie

How to resume if you press IDNO?

Hey again, Thanks to help of two people, i was able to get this work; TEST = MessageBox(NULL, "Are you sure you want to quit?", " ", MB_ICONQUESTION | ...

[4 replies] Last: Fixed it, i looked wher eit was called and removed DestroyWindow(hwnd)... (by Ravskie)

by qwerty1989

Suffix tree: Deepest Internal node

I read somewhere that you can find the longest repeating substring of a given string by finding the deepest internal node of the suffix tree. Though that makes ...

[no replies]

by atifjatt

Error

invalid conversion from `void*' to `BYTE*' I m using Eclipse C++

[4 replies] Last: thnx dear i got, (by atifjatt)

by Ravskie

Detecting WIN32 button press.

Hey, I have this code; int TEST; // only way i could assign this to the messagebox. void createbox_QUIT() { TEST = MessageBox(NULL, "Are you sur...

[3 replies] Last: Sorry i posted in Windows aswell, i thought i put it in the wrong cat.... (by Ravskie)

by cplusplusstudent

Static Map initialization

Hi , I have a strange problem. Currently i am using array of structures and initializing it statically at compile time. e.g. const MyStruct elements = { ...

[10 replies] Last: +1 moorecm (by jsmith)

by stravant

Stripping whitespace

I have a problem with parsing, to do with stripping whitespace. I'm saving data for an application in JSON format (I'm creating a "schema" parser for JSON, that...

[2 replies] Last: Right now I'm not using tokens, just reading directly from the input s... (by stravant)

by n4nature

Ptr to function syntax

typedef VOID (__stdcall* PFoo)(PObject object); Can anyone summarize what's being represented by the above syntax?

[1 reply] : __stdcall VOID my_PFoo(PObject object) {} would would be of the type... (by stravant)

by vijkrr

How "new" in C++ is working??

Hi I reading about the memory management concepts. I want to know how these new, malloc and all working. 1. How they allocate memory in heap? 2. Is it po...

[6 replies] Last: Notice that with std containers you can overwrite the default memory a... (by kempofighter)

by ragbagger

Problem returning double from function

I am new to C++ and have a problem. I am compiling code with GCC for an ARM processor and have a function that returns a doubel value. Prototype is: double Tex...

[7 replies] Last: What about this? That is if you can't use the <sstream> header then u... (by kempofighter)

by Ditab1

Data Sort - Multi Columns

Moved from Beginners Forum. Code: #include <iostream> #include <fstream> // File Input/Output Stream #include<iomanip> #include <windows.h> using name...

[no replies]

by khaled mohamed hassan

question

hello every body , I 'm in trouble , i have a project about clinic by using borland c++ , my problem is that i want to search in the project of clinic by seri...

[3 replies] Last: Ok, here's an example: #include <iostream> #include <string> #in... (by m4ster r0shi)

by akmal4ik

Need some idea

Hi everybody. I have problem with sending arguments from one function to another. I have operator<< (wich i overload in my function and it is not output stream...

[5 replies] Last: /* line 12 */ }else if (this->state==2){ (by helios)

by s51563946

Question about the static object destruction when degign a memory allocator.

I want to implement a memory allocator but met a problem with the static object. My memory allocator provide a global access interface. If there is a stati...

[5 replies] Last: Or, if you are using a modern OS that won't leak memory, don't bother ... (by jsmith)

by jaapkroe

memory consumption lists

Hi, I created a program to handle large datafiles where I 'pipe' the data trough a list with pop_front and push_back. However I noticed that the program is ...

[6 replies] Last: Thank you for the explanation. My gcc-version seems to have the same ... (by jaapkroe)

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General C++ Programming - July 2010 (Page 14)