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Beginners - June 2010 (Page 24)

int i , j c = ((((i&0x8)==0)^((j&0x8))==0))*255 What does it mean ???

[8 replies] Last: You try reading this code, It is the openGL and cheakImage is an array... (by vampire)

error: initializer fails to determine size of 'state'

Trying to generate a function to get a char array. Heres my code: #include <string> #include <sstream> using namespace std; char* getstate () { ...

[4 replies] Last: Thank you both (by Toothkiller)

by xander333

Weird outcome

So I wondered if you could do cin>> var1, var2; and I made this little program. the only flaw is, it always says FALSE =S #include <iostream> using nam...

[2 replies] Last: Thanks (again) Albatross! (by xander333)

by PGP Protector

New to C++ , Converting C#.NET to C++ (Unmanaged / Managed ???)

I'm New to C++, normally did most of my Programming in either C# or VB.NET I've written a DLL in C# that is used to Communicate to our Software via a BiDriec...

[1 reply] : Code for above DLL using System.IO; using System.IO.Pipes; usi... (by PGP Protector)

by romasi

Passing between class methods

When passing non-const passed values from one overloaded method to the other causes a segfault but once they were changed to const it worked fine... curious as ...

[6 replies] Last: I would strongly recommend that you get into the habit of writing cons... (by jsmith)

by matioli

Problem with template class

Hi Guys...First, sorry for my English, I'm not american... I already know about templates class, but I can't split the declaration and the implementation int...

[6 replies] Last: But then, there is a question: The STL classes, like vector, list, et... (by moorecm)

by Kathy L

myList.erase(reverse_iterator)

i want to erase some elements in the list pointed by a reversed iterator,and i wrote like this list<int>::reverse_iterator it=mylist.rbegin(); mylist.erase(it...

[7 replies] Last: I believe 'itr++' resolves to list<T>::iterator::operator++(). Erase ... (by Disch)

by gers1978

Function only works if I use constant variable - why?

I have a program with a few functions, for example one to display records and one to read them from a text file. When reading them from a text file, if I use...

[4 replies] Last: This program should really be done with a std::vector, I suggest you l... (by filipe)

by bijan

Multiple commands?

So, Im working on an rpg and now pwople cant buy muiltiple things from the shop. Heres the code #include <cstdlib> #include <iostream> #include <cmath> ...

[1 reply] : Because the shop command should be a loop with an option to escape. No... (by Computergeek01)

by Kathy L

exception:list iterator not decremental

Hi. In my code I used a list to simulate a circle and declared two iterators to traverse it. while running,an exception appeared after eight elements was prin...

[1 reply] : Use code tags, don't cross post http://cplusplus.com/forum/general/... (by Disch)

by bobhaha

Alternative to strcpm()

hey guys.... I need some help with the strcmp() function. I need to know an alternative way to write this because strcmp() gives error invalid conversion from '...

[10 replies] Last: Yep Wikipedia is your friend, I worked it out using wiki for your meth... (by bobhaha)

by akilguo

Which overload function is prefered in this example?

The Example is taken from the < c++ primer > ( 4th Edtion ) by Stanley B. Lippman, and it resides in P681. He says : There are an overloaded function set which ...

[4 replies] Last: OMG! All of sudden, i am enlightened, what a surprising. Thanks you, r... (by akilguo)

by Toothkiller

Counter variable not storing

Trying to write a program that increases a int when called and saves the int so when called again its previous int+1. At the moment it returns all zeros. Her...

[2 replies] Last: Thank you, it worked. (by Toothkiller)

by hogren

Write in Binary format in a binary file

Hello, I begin by give my code : #include <ostream> #include <istream> #include <fstream> namespace std { extern istream cin; extern ostream cout...

[5 replies] Last: Thank you very much ! I will study the bitshifting. Bye Bye (by hogren)

by user1024

Construction, address and value of private variable

Hi All! I am having some troubles of understanding C++ vairable lifecycles. I wrote a tiny application(1) to understand it, but it only complicates the thing...

[2 replies] Last: Athar, thanx for your reply, now I really understand how it's working! (by user1024)

by doppelgangland

How to bridge the gap between newbie and intermediate programmer?

Hi, I'd like to ask experienced programmers for advice on how to proceed. I've read 1 book on C and 3 books on C++ and browsed innumerable web sites by now a...

[3 replies] Last: Debugging helps me in cases like this. It helps you to see application... (by user1024)

by jen5376

using recursion to generate verses of Twelve Days of Christmas

Im trying to make a program that generates all the verses of the song "The Twelve Days of Christmas" using recursion (its homework). Ive read what the book says...

[3 replies] Last: Thanks guys for the help! (by jen5376)

by bijan

Save int's

Hey guys, Im making a C++ rpg as my first app. And i was wondering how do i save intigers to a computer for later use? Thanks, Bijan

[1 reply] : Via file I/O. http://cplusplus.com/doc/tutorial/files/ Welcome to ... (by Albatross)

by gcr114

quick little divison problem

Hey guys, I need to create a program that will: take a meal total, tip amount, and output the meal total, tip amount and tip+meal. #include <iostream...

[2 replies] Last: Note: your "cin >> " statement within the first "if" block retrieves t... (by jrohde)

by gcardonav

Storage size unknown

Morning: I am creating this code to read numbers from a file and then some of the numbers of the file are used to calculate the average of those numbers and ...

[10 replies] Last: Thanks for the advice Albatross, I forgot about that part. I pretty ... (by gcardonav)

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