General C++ Programming - C++ Forum - September 2012 (Page 18)

I was just wondering if anyone out here knows any good websites or resources for a tutorial on Computer Simulations in Science? Such as making a program to simu...

[5 replies] Last: Well, a quick Google later, I've found a tutorial on rope physics Rop... (by andywestken)

by ryan7136

What should I do?

I have learned the language, but i cant think of anything to do. can anyone give me ideas, if you need something coded, just ask for a download link.

[1 reply] : Try this thread mann it's great. http://www.cplusplus.com/forum/begin... (by Aceix)

by ustulation

using static_cast to downcast

I have been handed a project in which mostly static_cast 's are used for down-casting. I always did dynamic_cast so this was surprising and i went on to stud...

[3 replies] Last: any kind of dereferencing is undefined when you have a bad pointer. (by Disch)

by wawa2

<SOLVED><HELP> error type

#include <iostream> #include <iomanip> using namespace std; //class_matrix.cpp class matrix { private: int column; int row; fraction** mtx;...

[3 replies] Last: thanks..!! it is working.. haha.. the error is very simple.. never not... (by wawa2)

by NostawTtam

Error LNK2019, I cant get rid of this error

I am trying to call a function within another function but I do not want to return any values so I am using void functions. I having difficulty with passing my ...

[6 replies] Last: Show the new code you have, and please format it in your post (look fo... (by Mathhead200)

by Alx101

Linker: Unresolved externals

I am trying to use AngelScript into my project but i keep gettig this annoying linker error: error LNK2019: unresolved external symbol _asCreateScriptEngine re...

[8 replies] Last: Nvm i solved the problem by switching the angelscript.lib to angelscri... (by Alx101)

by jsheuirjfjekk

Random number

Lets pretend that i got a random number generator. And i want ot connect it to "int" or "double". If its a success. When i type cout << the_interger; c...

[1 reply] : class Random{ private: int range; public: Random(int range):ran... (by ne555)

by Jenny heaven

Checking a network

My problem goes something like this. I have a variable of 5 arrays a for storing the 5nodes of a network. The network is randomly formed by the random number ...

[no replies]

by DreamCore

Casting enum to other enum?

Hi, I have two classes, Board and PuzzleSearch. Both contains a private enum named MOVE_DIRECTIONS with the same values MOVE_UP, MOVE_DOWN, MOVE_RIGHT and MO...

[9 replies] Last: Why didn't I think of that? Silly me ;) Thanks! (by DreamCore)

by DexterMorgan

50% off sale on some Programming books at amazon.co.uk

The 2012 edition of The C++ Standard Library: A Tutorial and Reference for 34 euros. Many other books for 50% off incl. The D Programming Language, effective c+...

[1 reply] : Thanks Dexter XD - but when will you no longer need your dark passenge... (by soranz)

by beakie

ItemArray constructor: Syntax

What is happening in the constructor? struct ItemArray { RS_size count; RS_size capacity; t *items; ItemArray() { count(0), capacity(0), ite...

[1 reply] : > What is happening in the constructor? > ItemArray() { count(0), capa... (by JLBorges)

by cyril98

c++ 3d game engine request

could anyone please code my 3d game engine i seriously will give a lot credit for the engine please help me because i need it now bad i can wait a few weeks or ...

[6 replies] Last: a framework for 3D rendering and game development for Python and C++ p... (by editableclips)

by mikeecb

shuffling a packet of cards

Hey guys, I know you can use rand_shuffle or something along the lines to shuffle a packet of cards but I want to see if I could do it just using srand(time(0))...

[1 reply] : First read this: http://en.wikipedia.org/wiki/Fisher%E2%80%93Yates_shu... (by JLBorges)

by beakie

Maths: Graphing Quadratic Equations (without gaps)

How to draw a quadratic curve? I have a quadratic in the form of 3 floats A, B and C.... I want to draw it! I need to do this using ONLY a setPixel function....

[7 replies] Last: @ne555 thanks, will have a read of the maths in your first example... ... (by beakie)

by s123456

c_string need help with output

firstName is assigned "Tom" and the lastName is input from user and im having trouble using fullName = firstName + " " + lastName; i remember the professor ...

[5 replies] Last: change to: char age ; ... cin.getline(age, 3); ... (by SIK)

by ratscab

Odd Getline Error

I am working on a sorting program for hockey stats, (school assignment) and for some reason when I attempt to read from a text file I get weird output. It doesn...

[1 reply] : Im not sure i understand. You have a function called pname(string) wh... (by pogrady)

by t2nator

2d Vector Printing

Should be a simple question: How does one print one element of a 2D vector? For example with an array you would use int myarray = {4,3,1,2}; cout << myarray ;...

[3 replies] Last: I think you need the at function ( a member of vector) Google C++ vec... (by TheIdeasMan)

by peaco19

Priority Queue comparator problems

This is basically what I have in main: struct CompareBoard : public std::binary_function<Board*, Board*, bool> ...

[1 reply] : I figured out a way around my problem. Instead of calling the Board cl... (by peaco19)

by s123456

OUTPUT how do i avoid it repeating the question and having the user input their answer twice.

when i ask to enter choice ..the user inputs choice presses enter and the program asks user to enter choice again. i know its because of getChoice(); but ...

[2 replies] Last: thank you! (by s123456)

by TheAristocrat0

Need help with adding to and searching through a list.

Hi guys! The program I'm using revolves around the following structure: struct people { int ID; char name ; char address ; }; The first thing ...

[1 reply] : 1) Use getline instead of cin. 2) Separate first name and last name... (by tolga gerekci)

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General C++ Programming - September 2012 (Page 18)