General C++ Programming - C++ Forum - August 2010 (Page 15)

by EverBeginner

Are class operators more efficient than class functions?

There seems no significant difference in the listing between these two expressions: ;x_class=y_v...

[1 reply] : they're the same, performance wise. Overloading operators just make... (by Disch)

by unregistered

does the or( || ) operator use short circuit evaluation?

just like the and( && ) operator?

[3 replies] Last: && and || operator uses short circut evaluation and in C++ we should a... (by rahulroot)

by steve lorimer

how to use explicit correctly?

Hi I'm trying to use explicit to prevent implicit conversions from one integral type to another ...

[5 replies] Last: explicit keywords used to avoid implicit conversion from constructor a... (by rahulroot)

by memecs

typedef and size_t

Hello, I don't understand why this doesn't compile. It returns an error saying that max(long unsi...

[6 replies] Last: Well, here _SIZE_T is just renamed with typedef directive to avoid ... (by EverBeginner)

by majia1

matrix new and delete / memory leak

Hi, There is a memory leak problem in my code, and I could not find where it is. The only place I...

[18 replies] Last: Line no 21 has problem,its writing beyond boundry error.it must be ... (by rahulroot)

by Tiigon

Global variable doesn't work

I tried to create a global boolean to use in two different source files. This is the header file,...

[4 replies] Last: are you including your header file in another source file. Note: In... (by rahulroot)

by kiranindia1986

Searching method

Hi I wanted to create a C++ program.Using constructor and proper methods design a class graphics...

[5 replies] Last: Sorry mate, I can't give you the entire program... for 2 reasons: 1. I... (by steve lorimer)

by yoonkwun

Multi-File Woes

I want two classes defined in two files to have members of each other however my compiler isn't lett...

[6 replies] Last: +1 m4ster r0shi Both .cpp files should be including both headers. ... (by Disch)

by RyRy

Can't get User Input with XOR encryption?

#include <iostream> #include <string> #include <fstream> #include <cstdlib> #include <cstring> ...

[10 replies] Last: [quote=RyRy]I get the same binary as their answer. Well that site do... (by Galik)

by majia1

memory leak detect using _CrtDumpMemoryLeaks

I am trying to detect memory leak using _CrtDumpMemoryLeaks in Visual Studio 2008. The problem is th...

[8 replies] Last: ops, sorry, I made a stupid mistake... Thanks guys! (by majia1)

by jzone3

Quadratic Formula

I made a quadratic formula calculator in xcode, but it says "invalid suffix on integer constant" Ple...

[4 replies] Last: well i figured it out myself. thanks anyway (by jzone3)

by D Technodude

Software Questions

Okay, I have two extremely vague questions: 1) I was wondering how to make it so one program can de...

[5 replies] Last: This here might help too -> http://www.drdobbs.com/cpp/204202899 (by m4ster r0shi)

by RyRy

Problem with some characters.

#include <iostream> using namespace std; int main() { string str; cout << "Input:"...

[6 replies] Last: I've been advised to not use system calls such as system("Pause"). I ... (by RyRy)

by LJones

public class member modifies private member via pointer, runtime crash

I've stripped it down to short files illustrating the issue (I was actually hoping to find the issue...

[4 replies] Last: Looking at this now, I truly have no idea what I was thinking. Thanks ... (by LJones)

by AdventWolf

SFML with Visual C++

I have never used Visual C++ much but I am trying to get SFML to work with it. I copy/pasted the ...

[2 replies] Last: Alright I guess I'll just place it in the same directory. (by AdventWolf)

by eamo2020

MFC

I am working from a code example i found but it uses the following function from the mfc - WCHAR s...

[2 replies] Last: It looks like it's just copying the string in sn to serial. (by helios)

by jhen

2dimension array

im a begginer with this kind of program can you help me how to use the 2d array in c++...because i d...

[8 replies] Last: you know what thanks for that info now i know it....thanks guys!!! ... (by jhen)

by declan

Is it possible to call this operator with a pointer?

Hey guys. I have an operator defined for a matrix class, so I can do int someInt = myMatObj(1,4,...

[7 replies] Last: myPtr -> operator() (1,4,5) how about (*myPtr)(1, 4, 5) ?..... (by hamsterman)

by gaurav13191

Linked List error!

Hi, I have the following code which compiles fine but does not produce any output.. using name...

[1 reply] : The problem is that p keep pointing to NULL. Try this //void append(... (by ne555)

by dragoshcpp

Hash_map

Hello everyone. I have been trying to make hash using hash_map. The problem is that I have to inse...

[2 replies] Last: I'm no expert, but 2 things spring to mind. If you are attempting t... (by steve lorimer)

General C++ Programming - August 2010 (Page 15)

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