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General C++ Programming - April 2011 (Page 6)

Hello all, I'm new to the forums, though I'm not new to the language. I have a fairly simple question: forward: I'm working on a large computational probl...

[9 replies] Last: Yes, running hundreds of threads in any environment would slow the sys... (by Computergeek01)

by MCJamaica

initialize variable as global

Hello everybody. I try to handle a matrix in my programm. I still reached to declare this matrix as a two dimensional vector in a testprogramm as follows: ...

[3 replies] Last: vector<vector<double> > B; Edit: too late again :| (by Caligulaminus)

by Eskalante

trouble with static

Hi, i have problem with code in my Master's degree work. I have class A and class B. In class C i defined A as private member and class B in database (priva...

[3 replies] Last: i have another problem. data in B::i is changing by itself. at init i... (by Eskalante)

by closed account zb0S216C

Vectors, DirectX10, and Buffers

I'm trying to write a simple geometry loader that loads data from a .OBJ file. The vertices, and indices are stored in vectors. That's all fine. However, when i...

[3 replies] Last: Nevermind my previous post. Apparently, since vectors store their dat... (by blargl124)

by mex2005

Number of word occurrences in a text file

Hello, i'm having some problems with a task I was given. I was asked to read a text file which contains words, one word a line, then print to another text file ...

[9 replies] Last: Thanks CreativeMFS that did help. I took a different approach at this... (by mex2005)

by quirkyusername

including libs in a build

I've got a project that requires a lot of directx9 libraries, can I configure visual studio to include these as part of the build so that I don't have to put th...

[6 replies] Last: Never tried "additional path's" so i don't know for sure. Common way i... (by savavampir)

by cyberamc

No matching constructor for initialization

I am converting a program from Java to C++ which involve me creating a dynamic array of objects. In my Vector class, I keep receiving an error saying, "No match...

[2 replies] Last: Ah okay, I see and why shouldn't be including .cpp files? I am new to... (by cyberamc)

by SofiPashmak

What task has "&" in the following c++ code?

Hi all, I need to understand the task of " & " here. it uses without varible and with varible. //Sofi Pashmak TScanner(const TScanner &);//What does y...

[1 reply] : The & there denotes a reference! http://www.cprogramming.com/tutorial/... (by Albatross)

by markh20

Improvements I could make to my Bships code.

Hey guys, was just wondering if anyone can list me any improvements I could make to my code? Minds blank at the minute. So far, I've got random placements of...

[1 reply] : if (PlayerWon=17) should be ==. CPUTurn doesn't need to be recurs... (by hamsterman)

by metl wolf

bug with input of text files

I took this function from one of my bigger programs, and made it a program in itself for the convenience of you. anyway, it reads from a given text file, and...

[11 replies] Last: Move the "cout << " above the if checks. That would just bring back ... (by hamsterman)

by Krisper

Simulate KeyPress

I am a novice at c++ so please excuse my basic questions. I have a custom game controller that I can get data from using a small c++ console program. I want to ...

[4 replies] Last: According to some guy on the internet: A sure fire way would be to w... (by ultifinitus)

by Gianluigi83

Boost.asio problem at compile time!

Hello everyone, I have to use the library Boost.asio in C + + Visual Studio 2005 (Windows XP). I followed these steps: - I downloaded the executable file. ex...

[no replies]

by KingPing

Exceptions Thrown by the Constructor

If I do: MyClass * p = new MyClass; And an exception is thrown by the constructor of MyClass, do I need to do: delete p In order to free the memory? I have ...

[2 replies] Last: Question 1: No; an object that is dynamically allocated and fails to c... (by jsmith)

by raheelmarwat

getting error..

#include<iostream> #include<conio.h> using namespace std; class evs { private: int k; int b; int result...

[7 replies] Last: thats good :).. (by raheelmarwat)

by antoniouscpro

Assignment problem

im haveing a problem with a c++ assignment that i have to do, i finished reports 1 & 2 already but report 3 doesnt make much sense to i tried doin it but it doe...

[13 replies] Last: Hi im trying to design a menu system on C++, i cant seem to build anyt... (by damthegunner)

by Nisheeth

Calculation code problem

I was trying to calculate the age of a person. I used the following code to get the weeks and days left: unsigned int date; //Today's Date - User Input ...

[14 replies] Last: I used search to find cur_days in the article. I found it three time... (by Nisheeth)

by alexyoung1992

Stack Trace Error

Hi guys, I'm coding a program here that has an array of classes representing a student. I have a search function that allows the user to search the array for...

[7 replies] Last: Okay then, but if I were you I would still ask your teacher about del... (by anonymous23323124)

by Winston12

Combinations

Hello, I am trying to write a program that does combinational logic based off C(n,r)=n!/r!(n-r)! to get the number of combination for a certain number of object...

[4 replies] Last: You got confused: You started out thinking "I need a factorial functi... (by webJose)

by NGen

GUI API Design

I've been assigned with the task of writing a GUI framework for a game, but I'm not entirely sure on which way to go for designing the API. Does anyone have any...

[9 replies] Last: Have a look at the design of QT at: www.qt.nokia.com There is a lot ... (by writetonsharma)

by keithzhou

Write a find function for BST

Hi, I want to write a function find() for recursively for my BST Can anybody tell me how can i implement it? my code include two files BST.h //#include <...

[1 reply] : Firstly, when using new, it doesn't return NULL when there is an out o... (by Zhuge)

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