General C++ Programming - C++ Forum

I ran into this today which seemed excessively verbose. Does anyone have a cleaner way of doing it? class pet { public: virtual void eat(); }; c...

[8 replies] Last: I often forget about the technical releases (which work quite well in ... (by LB)

by Ishtar

C++, Bitmap Image Arrays and byte padding

Hello everyone I am writing a class which loads a bitmap image into a one dimension char* array. This class has methods to allow for resampling and croppi...

[2 replies] Last: Hi Disch Thank you ever so much, I now have my class working :) I add... (by Ishtar)

by Dilan1020

Best OpenGL library for c++

What OpenGL library should I use for c++. I know there is GLU GLUT GLT OpenGlPlus. I want simple 2D games and GUI applications.

[no replies]

by Marc Colome

Making GUI order

Hello at all, I'm triying to create a GUI with Open graphics Libraries. I have made a basic GUI that exits the program or shows the instructions if a option/P...

[1 reply] : Anyone? (by Marc Colome)

by akash227

string help

Hi there, I've been trying to create a model loader and I have somewhat succeeded but I need these 2 tools to succeed. The first one is say I have a file that l...

[2 replies] Last: I used scanf instead ! (by akash227)

by akash227

File I/O Help

Hi there, I have been trying to load certain file formats but have not had luck due to my lack of knowledge in file i/o. The 2 file formats are .obj and .ply...

[6 replies] Last: Yes, it is too learn and I finally have found the functions used I jus... (by akash227)

by helpstudent

Problem with reading multiple text files and merging them into one output file

Hi, I need help to program as stated by topic. Basically, I need to create a program that asks user to enter the number of input files, input filenames and o...

[9 replies] Last: [quote=helpstudent] const char *cstr ; //... for (int i = 0; i < ... (by LB)

by MeStesso

Problems with Parallel Port

I have written this little code : #include<iostream> #include<cstdio> #include<sys/io.h> using namespace std; int main() { unsigned char a; cin >> a; ...

[no replies]

by AmitM9S6

Vector get passed to a thread by val insted of by ref

I have a function : void UpdateNotefications(vector <string> &Notefic) where I change a vector... I called it with a thread : thread t1 (Upda...

[6 replies] Last: Thanks! (by AmitM9S6)

by MrBrewski99

Array searching problem

I am having a problem printing out the results for my code, It is supposed to print out the largest and smallest value in the array, but keeps giving me a value...

[2 replies] Last: Oh wow, I didn't even realize that. Thanks (by MrBrewski99)

by Ceset

installing SDL_image problem

hi i m having problems for a few days. not sure what the porblem is and here is a pic to show you my installed sdl(in case problem is there) http://postimg.org...

[16 replies] Last: http://www.elfnet.org/2011/11/30/sdl-undefined-reference-img_load-solv... (by Ceset)

by Zyl

Why do virtual enums compile when they cannot be defined in derived class?

Assume this class: class GenericTrafficLight { public: virtual enum LightState; void setLightState(LightState newState) { currentState...

[5 replies] Last: GCC reports two errors for this line virtual enum LightState; mai... (by andywestken)

by andrix

template class for binary_tree

hi i was writing a class template for a binary tree,here's my code: template<class T> class binary_tree{ private: class node{ public: T ke...

[1 reply] : Where do you get an error? P.S. Here is the ordinary function that I u... (by Snaksa)

by TwilightSpectre

std::unordered_map with class data

I'm trying to make an unordered_map with a key of std::string and a data type of my own class, "Variable". This is my code that I've done: #include <iostream...

[4 replies] Last: Thanks, that fixed it! (by TwilightSpectre)

by janluca91

problem about printer operator

I have a problem about printer operator defined in the following class: #include<cstring> #include<iostream> enum tipo_contatto{CELLULARE,CASA,UFFICIO,FAX,E...

[1 reply] : the problem is that you don't have const for the operator<< in DbLi... (by coder777)

by kishan23

const after member function

#include<iostream> using namespace std; class Student{ public: int age; int rollNo,marks; string name; void AddEntry(); void...

[7 replies] Last: Then as already suggested by Daleth, you will have to make Display eit... (by abhishekm71)

by asda333

fails before it starts

Hey guys my program just took a turn for the worst, it starts handing out unhandled exception before it starts executing, before main. It shows chkstk fun...

[7 replies] Last: > i get a whole list of warnings It might help if you pay attention t... (by JLBorges)

by awsdert

Variable length integer multiplication

I already have the standard one that mimics the one taught in schools written but I've found that there is a faster formula that can be used however I not sure ...

[6 replies] Last: I'm aware of how small 8 bytes is but the point is the program I'm mak... (by awsdert)

by jmyrrie

int to char

Hello, I have a problem, I was assigned to print a linked list but as a vector of char (I cannot use the normal string type) ,this is what I have: char* List...

[7 replies] Last: Ok, thanks a lot (by jmyrrie)

by yelnatz

Radix sort question

I have a question about this algo: http://i.imgur.com/aax89z7.png int N = a.length; int count = new int ; for (int i = 0; i < N; i++) count[a +1]++;...

[5 replies] Last: Thanks a lot, helios. (by yelnatz)

C++

Forum

General C++ Programming - August 2013 (Page 5)