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General C++ Programming - May 2013 (Page 43)

Can someone give me an example of how to create a base class that is derived (inherited) by three other classes? Thanks

[12 replies] Last: Thanks, that helped out a lot! (by t2nator)

What is the diff between pscobject = new _pscmain; and _pscmain * pscobject ? For dynamic memory we need to deal with pointer. So to initinialize pointer i...

[2 replies] Last: Understood :) (by jaden5165)

by MaxterTheTurtle

Faster vs Smaller

Hello, I was wondering. I am a bit curious about this code: #include <iostream> int main (void) { /* faster */ struct big { int x; int y; int z; }...

[7 replies] Last: Does &0xF mean that it is only taking the lower 4 bits from a byte? S... (by helios)

by MonkeyVsMonkey

Find String help

I'm trying to use the find string to erase a '\n' from the end of a word. I tried something along the lines of: if (SecondSide.find('\n')!= string::npos) ...

[7 replies] Last: ut it had no effect. Any suggestions on what I'm doing wrong? It d... (by cire)

by gaurya95

Including a JPEG file

How to include a jpeg file into a c++ program??

[2 replies] Last: Do you mean embedding into executable itself and access it at runtime ... (by modoran)

by Christian Feliciano

No operator matches this operan

Im almost done with this code,, this is what i have to do Write a program that displays the roman numeral equivalent of any decimal number between 1 and 20 th...

[3 replies] Last: Thank you guys! it worked! (by Christian Feliciano)

by newbieg

Why doesn't it run in Release mode?

I've been working on the Euler project problems, and I have the solution to problem 25, but it only runs in debug mode, if I try to run in release mode then it ...

[4 replies] Last: If you want to see which warnings are generated (that warning is one ... (by Ikaron)

by madeinsilence

Ranking Problem With Arrays

At a contest, a team (3 – 4 members) is given one computer and a set amount of time (typically 4 – 5 hours) to write programs which solve a set of problems ...

[no replies]

by omiexstrike

Array into function as parameter pass

Hey everyone, so I have been working on this all day, and its due in like an hour and a half. I have done everything the program wants except the last part. Her...

[1 reply] : Your functions should be outside of main. Forward declarations are d... (by Computergeek01)

by Smac89

data corruption in vector

I have this code that is supposed to store numbers in one vector and another vector stores pointers to the values in the first vector: #include <iostream> #in...

[9 replies] Last: well then for-loops it is. thank you both (by Smac89)

by Donanza

C++ catching strings

I am making a very basic calculator, but the problem is that when I input a string, it goes on repeating itself infinitely. Any help?

[10 replies] Last: Normally cout is "tied" to cin. Whenever you use cin, cout is flushed... (by cire)

by Nathaniel Sheller

Issue with function

void add_inventory(string item){ int x; //Counter while (x << bag_space){ //While counter is lower than bagspace if (inventory == "Empty") {inventory ...

[2 replies] Last: Alright that makes sense. I read somewhere about using inventory .com... (by Nathaniel Sheller)

by philonto

threads : variable allocated on the stack is persisting

I always thought variables allocated on the stack vanish when the function returns / ends However, using threads, I am seeing my variables persist // I o...

[8 replies] Last: No. They are part of the static data area of the program, which exist... (by MikeyBoy)

by latenwrong

converting a double to a string

hi i think i need to convert a double to a string, we are working in visual studio doing a program. when i run the calculator i'm not getting the answer i need ...

[1 reply] : never mind i figured it out that quick, i had area as int and i was di... (by latenwrong)

by Spirrwell

Returning A Different Data Type Depending On A Variable

Okay, I've been working on this Texture class that's going to be compatible with both SDL and OpenGL with the capability to create an array of textures within o...

[4 replies] Last: @ OP: Have you looked at the template tutorial here? It's how I learne... (by Computergeek01)

by kamalashraf

check if number belongs to particular base or not

i am making a number base conversion program in c++, suppose that user enters an base 2 number and want to convert that number in base 4. when he enter the num...

[6 replies] Last: how can i detect that number is belongs to base 2 number system or no... (by cire)

by jayzzz7

if statement doesn't work as I expected

#include "stdafx.h" #include <iostream> using namespace std; int main() { int a,b; b = 2; cout << "Please enter integer in range of –2,147,483...

[6 replies] Last: Pardon me so why it's not working for me ? You're using VC++ which... (by cire)

by CroCo

Winsock & double in C?

Hello all, I'm trying to send a double array using UDP over the Internet. I did establish the connection between Client/Server and I sent char data in Winsock...

[1 reply] : Thank you. I did figure it out. (by CroCo)

by invoker

Getting bug: 'first defined here'

while using codeblocks to compile, I get the errors Multiple definition of main and first defined here These are in the area where int main() ...

[8 replies] Last: Better yet, start a new, clean project. Make sure it is a "command lin... (by Duthomhas)

by abeginner23235616

Problem with members initialisers

Hey, i was practicing member intialisers.. But I am being accused by the compiler for not declaring my class :p . I was actually accesing my class from another ...

[3 replies] Last: where is the object "so", line 9 in main.cpp (by Bourgond Aries)

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