General C++ Programming - C++ Forum - December 2010 (Page 6)

2D Array Passing to function - only reads first line

Hi guys, Hoping someone has some insight to what my issue is. Any help would be greatly appreciated. I have an array of char 4x4 that is being passed into a...

[2 replies] Last: The game board never changes (or gets modified). Since I never made a... (by ghostfacelz)

by hannes

header reference problem

Hi, I've just started developping my program today and i recieve some errors already. Code: //A.hpp #ifndef A_HPP #define A_HPP #include "b.hpp" ...

[3 replies] Last: ok, thanks for advice, the article was really helpful! hannesvdc (by hannes)

by jonnie

class template specialization - incomplete type

Hi, I have a problem, this code won't compile. It says the class foo<10, int> is incomplete... Can someone here tell me what's wrong, and how to correct it? ...

[1 reply] : Partial Specialization of template functions are not allowed E... (by guestgulkan)

by keepjumpin

Converting 24 bit bmp to 8 bit grayscale

Hello! I am trying to write a bmp class. I became interested while studying pattern matching in artificial intelligence. For class, we had to write an algori...

[9 replies] Last: ah, yep... I see it now... Thanks. Things are starting to clear up n... (by keepjumpin)

by gardinerca

How do I have undeclared functions?

Here is my random code. Im trying to figure out what Im doing wrong here. Anyone help? #include <iostream> #include <string> #include <vector> #include...

[4 replies] Last: There's no standard way of creating a backspace, although I'd suggest ... (by Albatross)

by shadowayex

Conventions with Objects

I am working on a project that has a tree of objects. I just took a beginner's C course and my professor mentioned something about using pointers with structure...

[no replies]

by joeneldeasis

comparing a string from a file in C

guys could anyone help me how to compare a strinf from a file. example i entered the word "plus" then the program should search it from a file then print if i...

[1 reply] : strcmp returns 0 when strings are equal. if(strcmp(store,get)==0) //... (by Null)

by smd75jr

Hashing troubles

Hi, I'm trying to write a program that is a calculator that (as an added bonous) will also calculate the md5 hash of a given string of text. I am having s...

[2 replies] Last: Hi, I want the user to be able to enter in the text they want to be... (by smd75jr)

by Krisando

In need of a ini library with sectionNext and keyNext

Hey guys, I normally don't like asking for links to resources, however, after trying a dozen ini libraries/source for such functionality for seeking sections/k...

[4 replies] Last: Thanks, had no idea it had an ini parser due to the name. =P (by Krisando)

by aatwo

Array Pointers

Hi. Just curious. When passing array pointers around functions is there a difference between the following lines of code? ... // Function to which the array ...

[3 replies] Last: int *ptr = NULL; &ptr ; // Is it safe? (by ne555)

by shadowayex

string variables as arguments to constructors

I'm trying to accomplish something of this fashion: // Constructor for class A A::A(string filename) { ifstream file(filename); // Do stuff ...

[2 replies] Last: That worked wonderfully. Thank you very much for the help =) (by shadowayex)

by uiiihr

Priority Queue - very slow

Hello! I am trying to use priority queue to store my nodes, and I need to insert and retrieve elements very frequently. The size of the queue increases dramatic...

[4 replies] Last: No, it will not. I did an experiment, the code finish the loop in a se... (by uiiihr)

by mothmann

New Pointer Object and leaking?

So let say we set up a vector. Then we push_back an instance of our first custom class. vec.push_back(new Ccustom1(24)); std::cout << vec .custint /// s...

[2 replies] Last: You meant "destructor". Alternatively, check out boost. The STL ... (by kempofighter)

by alexmbcm

Using overloaded iterators inside class functions

Hi; I have the following simple 2d array class: /* * array2d.h * * Created on 04/04/09 * * 18/12/2010: added swap function, another opera...

[9 replies] Last: I got it, thanks (by alexmbcm)

by Gnaget

array being filled with same pointer

First, and foremost, a warning: I am a c# developer, so c++ is a whole different beast for me... I am using OpenCV to grab images from a webcam, and I am try...

[5 replies] Last: The MAX_HISTORY - 2 is used since the loop references i+1 Yes, but ... (by Athar)

by matt295

c++ problems with printing bubble, insertion, and selection sort program?

I have been working on a program that requires me to use bubble,insertion, and selection sort. My program runs without any compiler errors. I have printed out t...

[1 reply] : template < class ItemType > void Swap(ItemType r, ItemType l); That ... (by ne555)

by m75214

Mercurial

I use Wifi, so I don't have an SMTP server. However, I want to use Mercurial to e-mail myself changesets. Is there an easy way to do this?

[no replies]

by mdanyjam

how to load image files in c++??

I'm in 3rd semester/term of BS(CS). I have got a project to make Pacman game only in 2 weeks. I request my seniors here to give some idea n guide me...

[3 replies] Last: Thanks Athar & Duoas... (by mdanyjam)

by Null

How to avoid goto in this code

Hi, How can avoid using goto in this code? int f(){} // may or may not throw an exception int main() { int x; try { x=f(); } catch...

[4 replies] Last: This problem can be fixed with another try-catch block: int f(){} ... (by Null)

by lovelyhakeem

pointers

Hi……..can any one help plz.. I want to know clear difference between them….(plz explain with example in every case) Const int *p Int const *p Int ...

[2 replies] Last: tnx alot (by lovelyhakeem)

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General C++ Programming - December 2010 (Page 6)