General C++ Programming - C++ Forum

Hi, I have a peace of code that I wrote in C long time ago. Therefore it uses functions and unfortunately also global variables. Its purpose was to read parame...

[1 reply] : Maybe something like Parser p("filename"); Calculator c( p.get_some... (by hamsterman)

by treepig

[Help] C++ Object Oriented Programming

Solved

[1 reply] : The code itself is fine, though I don't see why you have the name and ... (by Zhuge)

by geomike2

Email issues

I can't send an email with c++ and i have been searching for a while and it's bugging me. here is my code: #include <iostream> #include <winsock2.h> #prag...

[6 replies] Last: A little googling produced this: http://www.coastrd.com/smtps which ma... (by Galik)

by Compucles

String as Variable Name

Is there any way to use the data from a string variable as the name for another variable?

[5 replies] Last: myvars["whatever"] = 5; . Line 13 does that only with the name stored... (by hamsterman)

by closed account zwA4jE8b

My first Game - Snake

This is my first attempt at a game. It is a classic, snake. If anyone has any pointers or constructive criticism that would be much appreciated. If so, p...

[5 replies] Last: come on disch. I said it was my first game. I didn't say it was bad... (by Disch)

by vince1981

pausing a program before it terminates

I've found a number of different ways to "pause" a program before it terminates, and each one seems to have its own dear friends and bitter enemies. The most...

[3 replies] Last: I just do this: while (true) {} (by creekist)

by howtechstuffworks

What does this below line means.

In the function declarations, the argument identifiers are optional. In the definitions, they are required (the identifiers are required only in C, not C++). ...

[1 reply] : Ok essentially it means that the specific names of the local variables... (by creekist)

by howtechstuffworks

Include guards in C

Is it necessary to include guards in C. Because we can declare functions anytime(only the definition needs to be once). C++ have classes hence there is a chance...

[3 replies] Last: Oh Thanks. Structs are there in C++. I was just wondering why do we ne... (by howtechstuffworks)

by Vindifreek

Fibinacci Algorithm help

#include <iostream> using namespace std; int fibinacci(int n) { int u=0; int v=1; int i,t; for(i=2; i<n; i++) { t=u+...

[8 replies] Last: @Vindifreek what I meant with using a string is then the maximum numbe... (by shacktar)

by TheCreator

Sockets?

Why do you need to telnet the client and server? Doesn't connect() do the job of connecting the computers? What does telnet do and how do I make my client/ser...

[9 replies] Last: oh okay thanks that summed it up perfectly (by TheCreator)

by defcon2006

SendMessage()

I'm making a simple console program that will use FindWindow to get the HWND of another program that is open. I'm then looping in a while loop trying to use Se...

[1 reply] : The SendMessage function does not return a bool (or int) indicating su... (by shacktar)

by paki programmer

Global Objects

Im making a game engine right now and i need to make an object called "engine" from the Engine class available to all the other classes i made in other source f...

[5 replies] Last: Hi, I believe if you want to make members of objects of type Engine to... (by creekist)

by Nybble

File I/O manipulation

for (int y=0;y<MapH;y++) { for (int x=0;x<MapW;x++) { fscanf(FileName, "%d:%d ", &a, &b); } } This works really well for load...

[4 replies] Last: I don't understand why it is working now and it wasn't a minute ago...... (by Nybble)

by cmaypara

How do you pass an integer to a string?

I'm wondering what are some other ways to pass an integer to a string. I know of using the stringstream function from the header file <sstream> but when I do u...

[4 replies] Last: Just for fun I'm posting another method that is a little more versatil... (by disciple777)

by nano511

What is wrong with my HandleEvents function?

Hello, what this function is suppose to do is wait for the user to either click button one, button two, or ex out the program. Instead, i get this error: ...

[4 replies] Last: @ disch: Here is the code for ChangeState: void ChangeState( GameSt... (by nano511)

by eth0

Correct return/reference for Multidimensional Structure

Hi there, I have 2 structures defined as follows: struct afb2d_Adata{ int hpfR,hpfC,lpfC,lpfR; float *hpf; float *lpf; } struct afb2d_data{ afb2d_A...

[4 replies] Last: Thank you! (by eth0)

by TheCreator

Installing Libraries

Im trying to install sfml library on a Mac. I use netbeans, but I couldn't find any instructions for netbeans. Could you please give me detailed instructions o...

[1 reply] : Not that I've ever used Natbeans much or have a Mac.. see http://zetco... (by hamsterman)

by TnGraham

Declaring ofstream variable in Visual Studio 2010

Hey, How do you declare a variable as ofstream type in Visual Studio 2010. I have the following and am getting an error stating:syntax error:missing; before ...

[3 replies] Last: Visual Studio 6.0 comes from a time when C++ looked a lot like C. Nowa... (by Catfish)

by eth0

Structure Data Corruption

Hi there, I seem to be having data corruption within a structure. In a function in which I manipulate data I have tested the contents of the function and they ...

[6 replies] Last: Awesome, that fixed it. Thanks for the help and the tip! (by eth0)

by phhs80

Looking for examples of OpenMP in C++

Dear All, I would like to use OpenMP in C++. Could someone please direct me to some working examples? Thanks in advance, Paul

[2 replies] Last: Thanks, Ausairman, for your useful reply -- I will try to follow your ... (by phhs80)

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General C++ Programming - July 2011 (Page 11)