General C++ Programming - C++ Forum - October 2011 (Page 17)

by duggarm

question on lists in C++

Hi-- I am having trouble creating a list in C++ where each element of the list is an object of clas...

[2 replies] Last: Thanks a lot. That did it! (by duggarm)

by LiverpoolFTW

Quick Stacks and Queues Problem

We have a project where we create a office simulator where the worker can enter and leaver the offic...

[no replies]

by kraigballa

Reading Integers From File

Alright, I am trying to use isdigit() to determine if the input from the ifstream is an integer. How...

[no replies]

by Nerdy314159265

Header files

I was wondering why it's correct to declare a function prototype in the header file and then you put...

[1 reply] : I read about this a few days ago, but the article itself is slipping m... (by PetKraken)

by foxy16

What's the best angle to hit ?

Let’s see if we can find out the optimal angle at which to launch a ball, in order to have it tra...

[3 replies] Last: For the in vacuum case (no air resistance) the path followed by the ba... (by mik2718)

by kraigballa

Problem opening file

I cannot for the life of me figure out why this file will not open up and be processes like it shoul...

[3 replies] Last: OMG. The file in windows was 3.txt.txt So that is the reason why it w... (by kraigballa)

by larry burns

Erasing element in 2d vector?

I want to delete an element in a 2d vector, say in "Field", which is a 4x5 vector I tried Field...

[2 replies] Last: Also note that the above will only remove the element from Field . ... (by Disch)

by ceruleus

HELP!! ... parameter, va_list, va_start (and other macros)

So I'm trying to write a function similar to printf. The point of this function is to get each argum...

[2 replies] Last: You can do one of two things (or more probably lol): 1 - explicitly t... (by ceruleus)

by EKD

convert string to equation

I have a string variable that is an equation. I'm trying to evaluate the string to compare compare...

[no replies]

by xander333

GUI Design

Dear forum folks, I'm making a GUI library for SFML and thus I'll have some design decisions to m...

[9 replies] Last: For inspiration, some documentation about FOX Toolkit : The base wind... (by bartoli)

by mtbusche

To nest or not to nest...

I'm writing a container class (call it C) and trying to decide whether I want my Iterator and ConstI...

[3 replies] Last: If something is going to be used a lot - I try to give it a short name... (by mik2718)

by TimGalant

Returning pointers to struct members

Hi, I want to write a class that returns a pointer to any data in an array: class CData { ...

[1 reply] : if I am doing c or c++ I need to allocate pointers in memory to use th... (by Azagaros)

by H0m3r0w

Operator Overloading

Well, I had a problem earlier that "mtbusche" helped me out earlier with, but this is a bit differen...

[2 replies] Last: If you have a member (unary) operator+ then the left hand operand is *... (by mik2718)

by Bryce Brown

Methods for Creating a function that reads digits of any number

Here is the RME: //Requires: num >= 0; 0 <= digit <= 9 //Modifies: nothing //Effects: will ret...

[2 replies] Last: Excellent! Thanks.. haha easy. (by Bryce Brown)

by mtbusche

safe container classes

Is there a well-designed stupid-programmer-proof container class library available for C++? BACKG...

[3 replies] Last: where c1 is a set and i2 is an iterator pointing into some OTHER set ... (by ne555)

by RedTheGreen

Doing Something every few milliseconds

I'm doing a game, and I want to update the x and y offsets (integers) of my player image every few s...

[4 replies] Last: Some comments, handled in Disch link : On windows at least, you wan't ... (by bartoli)

by bballamis

formatted output

I would like to format my output so that it looks like this: Head Movement Tracks ...

[1 reply] : Maybe try using "\t" ('tab') instead. Haven't had any odd behavior wit... (by Gaminic)

by H0m3r0w

Exception Handling Help

Well, I have the code, I just don't have a clue how to declare it in the header file because my teac...

[4 replies] Last: Well, I mean I replaced it with "std::out_of_range", and it works just... (by H0m3r0w)

by Trigger84

OpenGL

I'm attempting to draw saturn and I have the sphere but I'm having a little trouble with the ring. I...

[2 replies] Last: Ok got it, wow I did not realize anybody would get back to me this fas... (by Trigger84)

by Pyrius

Automatic ID for class objects

I want to have each object of some class have an ID, but I don't want to have to pass in an ID to th...

[4 replies] Last: Thanks for the help, it works now. (by Pyrius)

General C++ Programming - October 2011 (Page 17)

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