General C++ Programming - C++ Forum - February 2015 (Page 13)

by tmason

Faster to create new variable or reuse existing one for math calculation?

Hello, So I have a question that sprung out of curiosity as I was programming; is it better to re...

[1 reply] : Hi, the first is equivalent to the copy constructor. glm:mat4 newVi... (by Mathes)

by Macalay7777

Overload >> operator using both character and integer

Hi all, I'm trying to overload my >> operator for a dynamic array class. My code works, but I would...

[9 replies] Last: Great. Thanks everyone! (by Macalay7777)

by Allison2106

Beginner C++Programming - Functions?

'Write a program that uses three functions: DisplayInstructions() is a function that takes no argum...

[no replies]

by aseemgoyal

returning by reference from function

#include<iostream> using namespace std; int &fun() { int x = 10; return x; } in...

[1 reply] : The behavior is undefined, anything can happen, including the output o... (by Cubbi)

by albertkim

Trying something

The program prints numbers between 1 and 16 using a for loop can you help convert it to a do...... w...

[1 reply] : If you want the program all coded, you will get nowhere. http://www.cp... (by iQChange)

by NumericsNewbie

OpenMP parallelisation of linked list

Hello friends of C/C++, I am a beginner in OpenMp which I use to parallelise my numerical simulatio...

[no replies]

by realityking

Database Join OPERATION

Hello, i have taken an university course called Database Systems even though i don't even have an id...

[1 reply] : Please do not post the same topic multiple times. http://www.cplusplus... (by Zhuge)

by Fisher86

Dijkstra’s algorithm c++ coding explanation ?

hi,this code describing the work of Dijkstra’s algorithm,but i dont know how it works,anyone can e...

[3 replies] Last: thanks for the notes (by Fisher86)

by sjonnalagadda

c++ program to implement bubble sort

4.)Design a C++ Program to implement the following functions: a.)the function for bubble sorting ...

[1 reply] : Please note, that this is not a homework site. We won't do your homewo... (by MiiNiPaa)

by Bdanielz

Question about domain of problem

Disclaimer this is homework, but just s small piece of a larger problem. I have built my code to g...

[4 replies] Last: Sorry, but I am not understanding. but is 2^1 through 1^500 1^500 t... (by TheIdeasMan)

by BillyBob

Questions

Hi, everyone! There are 2 questions at the end, check it out. Thanks. #include <iostream.h> ...

[1 reply] : Hi, what " pool + p" will return, because "pool" is the name of arra... (by TheIdeasMan)

by sujitnag

#define

format of #define token value like this // I know about in details but in header file we use only ...

[4 replies] Last: thnx both. that means #if not work here. #define token value #ifdef... (by sujitnag)

by emckai

delete

delete

[no replies]

by AKnifeAndACoke

Magic Square Help?

I'm a bit lost as to why my program is getting an error code as it runs. It will compile I get an er...

[3 replies] Last: debugger, backtrace valgrind is quite useful too. By instance, it dete... (by ne555)

by iQChange

Should I use POSIX or OS default functionalities?

What should I use? Why? What are the pros/cons of using it?

[2 replies] Last: I actually use boost for a lot of things. But sometimes it's too heavy... (by iQChange)

by Tig3r125

Killing a program using an input rather than ctrl+c?

I have a program that i am trying to terminate using a input of "quit" i have called the exit () fun...

[1 reply] : Please, do not double post. It clutters forums and spreads attempts to... (by MiiNiPaa)

by prestokeys

Nice little exercise

I ran into this during my own programming. I just wanted to share it with you because it looks inte...

[3 replies] Last: Use pointer to data members: #include <iostream> struct Base { ... (by prestokeys)

by Cobryn

Help with this error check please!!

This program is working but the Error Check is kicking my butt for some reason because it detects th...

[6 replies] Last: Well, do you have another idea for doing the error check instead of w... (by Cobryn)

by jared181

Parsing #IF Directive

Hi, I need to write a script which parses #ifdef directive. I'd need to support different types as ...

[4 replies] Last: Hi, I'm sorry for not explaining my objective correctly. I edited the... (by jared181)

by justhappy

homework help please

thanks everyone.

[7 replies] Last: thank you all for your input. (by justhappy)

General C++ Programming - February 2015 (Page 13)

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