Beginners - C++ Forum - December 2008 (Page 4)

Hi, I am trying to write a program which mimics a card trick that I saw once. The trick starts out by having a person select 1 card from 21 random cards, loo...

[3 replies] Last: You're probably going to want a different algorithm altogether. Try th... (by jeffbmartinez)

by tyky9808

using classes

Need help please. I'm new to classes and I have a program due. I'm reading from a file and using the following functions: readdata() Two parameters, the array ...

[10 replies] Last: Hi jeffbmartinez I know you guys are not getting paid for this. As ... (by tyky9808)

by simsim

whey this code is not correct

How are you all group of this forum I am from KSA , I am beginner in C++ language Dear Members I wrote C++ program to convert binary number to decima...

[1 reply] : bin holds a char, so '1' won't be 1 but something like 49 (by Bazzy)

by cppgans

sizeof a boolean variable ???

what is the sizeof boolean variable does it actually use only one bit if not why not??? can anybody explain

[7 replies] Last: http://www.cplusplus.com/reference/stl/vector/ See the bottom of the ... (by helios)

by gulu

how to store a 1 dimensional array in a 2D array?

I have problems with storing a 1D array (size 16) into a 2D array (4 by 4) what i have come up with is for(int i=0; i<3; i++)//since it is a 4 by 4 matrix ...

[7 replies] Last: If you are translating a 1D array into a 2D array, you only need 1 for... (by seymore15074)

by Gibby

Assignment due for Campus

Hello everyone. My name is Chris and I have a project due for my C++ class, which is ending in 2 weeks. Uptil now, I've been able to complete every project w...

[12 replies] Last: Here are some comments on what you have so far: 1. I don't see a ne... (by seymore15074)

by naab

Pssing arguments in to main.

How does this help..is there any use this syantax int main(int x, char *y )

[1 reply] : It was explained in this post: http://www.cplusplus.com/forum/beginner... (by Bazzy)

by Hellbombil

Loop Problems

Can Someone Show Me An Example Script Of How To Make A Macro: It Needs To Be Able To Press A Key every 2 seconds. its just one key, the space bar. and how do i ...

[3 replies] Last: Hm. I guess I misunderstood you when you said [The macro] Needs To B... (by helios)

by Vector

C++ Strings

Running into a problem with strings. My code will only work if the array i have is intialized.. #include <string> #include <iostream> int main() { ...

[7 replies] Last: No, cmath is the C++ header...math.h is the C header...hence once one ... (by firedraco)

by cppuser7

Macros with undefined number of parameters

Hi, it's possible to write macros that accept an undefined number of parameters?

[2 replies] Last: PERFECT!! Thanks (by cppuser7)

by wachtn

Tips and tricks and other WTFs Idk about

Im new to C++. I have been working on my blackjack program but kinda stuck on how to put it all together. While I sort thru the mess that is (was) my brain,...

[5 replies] Last: - Use clear names for classes, functions and variables (maybe you'll ... (by firedraco)

by wachtn

Random Problem

Hopefully the last stupid question I post for this program. I hope I havent bugged any one yet. Im having some mystery trouble with my RNG. Do you see any...

[3 replies] Last: Well, srand() is the seed. time(NULL) returns the number of seconds ... (by Scipio)

by II15X

Produce a .txt file

Exactly how would I produce a .txt file of everything my program showed? But I want it to print out everything, even if I type something in.... Any suggestions?...

[5 replies] Last: It's always possible to do this from the command line: program >outp... (by helios)

by kunigami

Implementing Constructor of Generic Class

Hi, I'm trying to implement the code for the constructor of the following class, outside it: template <class T> class Matrix { int w, h; T* m; ...

[4 replies] Last: Indeed, I was declaring the class at a header file and trying to imple... (by kunigami)

by htetnaing

hh:mm how to divide it and put it into different arrays ??

Let's say, I've 2:30 stored in time array which is of type "char". I want to divide the char array into hour and min (in the above case hour will get assigne...

[1 reply] : Sounds like a homework assigment, but I'll give one hint: have you not... (by Scipio)

by wachtn

switch case vs if statement

Which is best to use when? Is a switch case statement just a limited version of the if statement?

[2 replies] Last: But, keep in mind that if has a nesting limit, after which the compil... (by DarkFire21)

by OGNNEC

C++ Visual Studio user defined functions

I would like to use some functions that I create directly without copying the function code each time. I have created and used the functions in line. What libra...

[1 reply] : I hope I answer your question correctly. I think you do it the same wa... (by wachtn)

by wachtn

Error with class functions

When trying to compile my program I get this error: In function `void setCardSuit()': 5 `cardSuit' undeclared (first use this function) I get the sam...

[2 replies] Last: I would like to go ahead and claim credit for the solution anyway. heh... (by LacViet)

by Harlequin

About borland c++..

I use Borland C++ version 5.02....... In the text editor i find a line separating the page in two...... can anyone tell me what could its use could be........

[4 replies] Last: Thanks ....I'll follow..... (by Harlequin)

by m3lting

Why this code cant work?

#include <winsock2.h> #include <ws2tcpip.h> #include <iostream> #include <stdio.h> #include <conio.h> using namespace std; #define DEFAULT_BUFLEN 2 ...

[2 replies] Last: Code without the tags is really ugly. I assume your referring to th... (by Umz)

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Beginners - December 2008 (Page 4)