Beginners - C++ Forum - June 2013 (Page 8)

How to send Macro to function with poinetr

Hi, I have function with one input parameter, and I want to send there macro, how should be it done? #define FRAM 0b11 void function(unsigned char * data)...

[2 replies] Last: Thanks a lot! My function is little bit complicated nad I write it for... (by witc)

by ivan1

Delete an element from 2d array of pointers

Hello Everybody! I have a 2d array and I created it with pointers. int **array; array = new int* ; for (int i = 0; i < size; i++) a...

[8 replies] Last: I wonder if there may be another efficient method to get that output. ... (by ivan1)

by otisphat80

validate values in a constructor

Hello all I have a question. What is the best way to insure that the x and y values in this class are always less than 20.I am mainly concerned with the constru...

[3 replies] Last: Thanks alot guys. I need to mention my intentions these points are on ... (by otisphat80)

by Denzel

Parameters

Well, I'll be blunt with you guys. This is an assignment. It was given a week ago. I did everything according to the instructions given, then suddenly my profes...

[6 replies] Last: THANK YOU SO MUCH. :D (by Denzel)

by boringegg

What's wrong with the following code snippet

What's wrong with the following code snippet?Thanks! Shape is the base class and Rectangle is the derived class. void SomeFunction (Shape); Shape * pR...

[5 replies] Last: void SomeFunction (Shape); //a function that does nothing Shape * ... (by Manga)

by Edward01

Virtual inheritance

Can someone please explain me why the out put of this: class G_d{ public: G_d() { cout<<" G_d cTor\n"; } }; class Adam: virtual public G_d{ pub...

[5 replies] Last: if I have two (at least) virtuals which one does it start with? for ex... (by Edward01)

by sam2281

why we need implicit constructors

why compiler creates implicit constructors. Whats the advantage of creating it .

[4 replies] Last: You're welcome. (by MikeyBoy)

by muazu

prime number

am new in c++ programming,so i expalnatory program code on how to display prime numbers. thanks please send me any site in which i can download any material...

[1 reply] : You can display prime numbers either using operator << or C function p... (by vlad from moscow)

by EJ Destua

Elements

I need help, on just the adding part of elements. I have an example at the end of the code. Please help me. :D #include<iostream> #include<algorithm> #i...

[14 replies] Last: @EJ Destua so how can i make them go together. can you please help... (by vlad from moscow)

by atulkhosla13

c/c++ code reading

i am quite new to c and c++ programming.i want to know step by step detail of following code being posted.please write comments in each line of the code. whi...

[no replies]

by GoranGaming

Backwards

This program outputs the input written backwards, but I don't get how it works when looking at the code. Could someone explain it to me? #include <iostrea...

[2 replies] Last: To expand on vlad's answer (because I started typing it ages ago and d... (by MikeyBoy)

by Zincott

M_PI is undefined

I want to use M_PI as the constant for 3.141592blabla, but while Code::Blocks understands it, Microsoft Visual Studio doesn't. I've tried including these: ...

[4 replies] Last: My instructor advised against using #define #define is still n... (by AbstractionAnon)

by Ardeshir81

how copy the content of a file somewhere in memory?

HI! I want to change somethings in a file. I can't just append to it, because I want to change somethings in the first and in the middle and in the last . and I...

[1 reply] : But I'm looking for a better and faster algorithm , because the file ... (by Chervil)

by beginner123

how to send local IP address of a server?

i have created a client and server app in c++ using TCP. The server needs to send its ip address to a web host. The web host is a php script that adds and remov...

[11 replies] Last: the code you gave worked and i set MyIP = inet_ntoa(addr); (by beginner123)

by ratrangana

program

please give me a hint how to find first 100 prime numbers...... using c program

[1 reply] : It is enough to get the first prime number. And then to check any next... (by vlad from moscow)

by LightningBulb

Hi people, C++ for a 11 years old kid.

As the title says, it's good to learn C++ at 11 years old kid? I'm learning Java too, but that doesn't counts here, I think. Or at least, what high-level progra...

[2 replies] Last: This forum is not for C language, I have seen people who asked about ... (by MikeyBoy)

by Ardeshir81

How to write at the first of file while opened is ios::app mode?

HI! I want to open a file and write some characters at the first of the file (or maybe after the 3rd character) and leaving the other characters in the file un...

[2 replies] Last: I want to know how can I write some characters at the beginning of a ... (by coder777)

by stringc

Pointers appear to point to the same address yet de-reference differnt values. I don't understand why?

Pointers appear to point to the same address yet de-reference differnt values. I don't understand why? #include <iostream> using namespace std; void print...

[6 replies] Last: You're welcome! (by MikeyBoy)

by johnc445

Gaming Programming

I know this might be a half ass question but, I need to learn some stuff for game engines, and just plain game programming. I want to make a game like "I see yo...

[16 replies] Last: Do you think I could make a function so it will say "Press enter to co... (by johnc445)

by damian519

How to create objects outside of the main function!

Everything runs fine, but my problem is that my main function is too long. Is there a way to create the battle scene outside of the main function? I have tried ...

[6 replies] Last: but how would i even make a prototype of objects? Void battle(Hero); o... (by damian519)

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Beginners - June 2013 (Page 8)