General C++ Programming - C++ Forum - December 2008 (Page 3)

New to the world or programming, I'm trying to resolve an issue in a program involving a check box that doesn't display the 'check mark' once it's been clicked ...

[4 replies] Last: is this MFC? I work directly with the win32 API, I haven't done anyt... (by Mal Reynolds)

by rottmanj

Best practices question

To get things started, I am re-writing an application that I originally wrote in perl. So I am some what sticking with the same concept as I did for the perl ve...

[3 replies] Last: i would still do it using object oriented design. I would think you c... (by Mal Reynolds)

by Zettai Baka

read() function with THREE arguments???

I am referencing a code sample I found on the web, and there is a read() statement which takes THREE arguments. Open this URL: http://www.ncsa.uiuc.edu/Peopl...

[2 replies] Last: Thanks, I think I've found it here: http://www.opengroup.org/onlinepub... (by Zettai Baka)

by Vater

pointer to function

Hello, I've a question concerning pointers to functions. In my self made menu class a function should be called, if the user clicks on a part of the menu. Rig...

[4 replies] Last: O_o. Implementing this in my class produces another error. It seems, t... (by Vater)

by caramelo

basic type to string

Hi all, why is there no operator like template<typename T> std::string operator+(std::string const& s, T const& t); template<typename T> std::string ope...

[8 replies] Last: Ok, thanks. That's something... =) (by caramelo)

by CPlusplusdna

Max file size

Hello, How do I determine what the max input file size is for my implementation of the standard library? I guess what I am getting at is a 32-bit file p...

[3 replies] Last: Thx helios, I have been trying to avoid the Win32 API for future po... (by CPlusplusdna)

by Superheftig

Call by Reference

I have the following function. class MyData : public Singleton<MyData> { template <class QUEUE_TYPE> void MyData::dequeue(int name, QUEUE_TYPE *data...

[2 replies] Last: Y I will test it tommorow. It makes sense when i think about it :) (by Superheftig)

by jereme

a C++ algorithm problem- skyscrapers (1,2)

Hi can someone plz take a look at this skyscrapers problem in SPOJ: http://www.spoj.pl/problems/CEPC08B/ The time limit is although 10s, but still not enoug...

[22 replies] Last: Argh. I just realized that I completely messed up the indices (no excu... (by exception)

by bouboune

Adding page to a property sheet causes error

Hi, First of all i'm using VC++ 6.0 My program has a property sheet called "CPropSheetPR" with 10 property pages in it. All added with AddPage(&m_RM) for exam...

[2 replies] Last: Anyone? (by bouboune)

by Rausaen

Making your own printf like functions

Hello. I have currently made a function which is declared as follows: inline void fdebugPrintf(FILE* file, const char* fmt, ...){ #ifdef _DEBUG fprintf(...

[6 replies] Last: It has a number of features that are all there for a reason Some fe... (by Bazzy)

by tom1410

Problem with pointers

Hello everyone! I have a structure: typedef struct Node_ { struct Node_ *left; struct Node_ *right; struct Node_ *parent; bool color; int data; ...

[13 replies] Last: If you need a pointer, then yes, you must do it that way. But: REM... (by firedraco)

by wanting2learn

Rounding Numbers

Hi I need to either round a number up or down depending on the users choice. For example: 3194 can be rounded to either 3200 or 3190 3194 can be rounded to ...

[2 replies] Last: http://www.cplusplus.com/forum/articles/3638/ (by helios)

by asmtom

Inserting an X into a table depending on user input

In my program I have a table of mon-sun on top, and morning, noon night on the side. I want the user to insert which of the options they want, and then an "X" ...

[3 replies] Last: It's a console application, I'm just doing a first year C++ course, so... (by asmtom)

by sharik

System() ; Spawn*() ; does not work properly for my specific EXE program

hi to everyone i use Borland C++ 3.01 (yes that "ugly" blue screen , why? because i write programs that manipulates txt files and Dos C++ works faster then a...

[2 replies] Last: Maybe the problem is in Borland? I have heard that isn't really good. ... (by Scipio)

by evanescence

where's my mistake? [SOLVED]

Hi! I have to make a program in C++ using Visual C++ 6.0 .There must be a list of options for operating with the program: 1..Creating a file which holds inform...

[5 replies] Last: fp.write((char*)t,(nomer-1)*sizeof(prep)); //saving the eleme... (by lightlord)

by wiki2005

argv to string

Hi, I am a absolute c beginner... for now, I have the following problem: #include <stdio.h> #include <string.h> #include <stdlib.h> #include "aspell.h...

[1 reply] : You can use sprintf(word,"%s",argv ); Here the C++ way: #includ... (by Bazzy)

by jcorral79

program that reads file

Hey guys. When writing a program that reads from a file, where do I save the file so the program can read it? Thanks for your help in advance.

[2 replies] Last: Don't post twice! http://www.cplusplus.com/forum/beginner/6419/ (by Bazzy)

by amir

copy the whole row or column whithou loop

Hi there, how can I copy one whole row of an array to another array. Is it possible without loop? In Fortran or Matlab: array(:, j) means the column "j" ...

[1 reply] : I suppose you mean matrix. Take a look at the STL copy algorithm (by Corpus)

by dm10

Memory Game Program

I need some help with this problem: A common memory matching game played by children is to start with a deck of identical pairs face down on a table. A playe...

[3 replies] Last: cards =rand()%8+1; the way you initialize the cards isn't co... (by anders43)

by epiqu1n

Using "return 0;"

Hey I'm making a program that gives me a few strings from an array depending on how many I ask for. The arrays are in a separate class in a .h file. But I wan...

[3 replies] Last: Nevermind, I get that you can't pass an array. Originally what I was ... (by epiqu1n)

C++

Forum

General C++ Programming - December 2008 (Page 3)