Q&A Discussions

So what is the difference between a float, double, and long double?

7th May 2016, 2:08 PM

Paul Skinner

c++data-types

12 Votes

12 Answers

6th May 2016, 7:24 PM

SJKakjASKAL

if the base class has a overloaded constructor, can we specify which to be called when creating a derived class from the bass class?

c++inheritance

3 Votes

What will happen if we do not declare namespace?

30th Apr 2016, 3:19 PM

Moria

Can we create an array of type string?

11 Votes

13 Answers

29th Apr 2016, 5:00 PM

Mannan Bansal

help . what is signed and unsigned??

0 Votes

6 Answers

28th Apr 2016, 12:13 PM

Nick Fererr

c++data-types

1 Vote

7 Answers

26th Apr 2016, 4:42 PM

reza

hy guyz can u plz tell me the role of #include<string> and the difference between it and #include<iostream>

c++include strings

2 Votes

Is there modes in cpp as in c (r w a)?

25th Apr 2016, 12:47 AM

Adinanii Habimanaa

c++files

0 Votes

Why the size of int a =[5] is 5 instead 6 , isn't the first term is 0?

23rd Apr 2016, 6:11 PM

Akash Narayan Sutar

0 Votes

What is Object Oriented Programming? Procedural Programming?

22nd Apr 2016, 2:07 PM

Zhi Hao

0 Votes

Can you use sizeof on a class? If so, does only depend on its primitive values or does inheritance play a part as well?

21st Apr 2016, 12:26 PM

Christian Pecson

c++sizeof

1 Vote

How come srand() produces same sequence using the same interger? Shouldn't srand change the sequence as true random?

13th Apr 2016, 12:12 AM

Antonio Borges

c++rand

0 Votes

Why is Abstract class useful?

9th Apr 2016, 9:56 PM

Michael A. Valverde

abstract-classes c++

0 Votes

Is the var available in C++??

9th Apr 2016, 5:53 PM

Abhishek Jain

c#c++variables

0 Votes

7 Answers

8th Apr 2016, 1:07 PM

Hadi Hatami

Who can answer me on a question? "Why arrays start with '0'?" By technical meaning. Why computer does it?

2 Votes

Hello guys , i have created an application using win 32 api. But the real problem is how to convert it into an app(android)?

7th Apr 2016, 4:00 PM

Terekhov Dmitry

0 Votes

I don't get char pointer, which stores something other than char... Isn't c++ type safe language? Why can I store a string in a char?

7th Apr 2016, 2:03 PM

Danyal Shahid Shamsi

c++pointers

0 Votes

Is there a way to see all your variables and their values in Code blocks or devc++?

6th Apr 2016, 11:42 AM

Yuri Predborski

0 Votes

So what is the size of an int? In the Console it says 4, but on the Summary it says 2 ( for standard int, not short)?

4th Apr 2016, 8:37 PM

Mohamad Mohamad

c++sizeof

0 Votes

What's the difference b/w methods and functions?

4th Apr 2016, 3:18 PM

Patrick White

c++functions methods

2 Votes

What im doing wrong?it's says compilation error,help

2nd Apr 2016, 9:21 AM

Venu Gopal Pulivarthi

c++if-statements

0 Votes

8 Answers

31st Mar 2016, 6:29 PM

Dimitry

I don't understand the difference between a base class with virtual function and without it.

c++polymorphism

1 Vote

When parenthesis are nested which pair of parenthesis is evaluated first?

31st Mar 2016, 6:19 AM

Alessandro Noferi

c++operators

0 Votes

Can you give an example Of practical use Of operators overloading?

30th Mar 2016, 5:13 AM

Abdulqahar M U Abubakar

c++operator-overloading

2 Votes

Can anyone help me... what is the difference between int *ptr and int **ptr.?

26th Mar 2016, 8:08 PM

Julio Muñoz

c++pointers

0 Votes

25th Mar 2016, 3:15 PM

REIFFORD NONGBRI

What is constructor?

c++constructors

0 Votes

So I'm guessing that the default statement doesn't require a break because it's already at the end of the switch statement?

24th Mar 2016, 2:15 PM

Amita Rana

c++switch

0 Votes

What exactly is a namespace?

23rd Mar 2016, 9:40 PM

Sara M

0 Votes

What happens to private or protected inheritance?

23rd Mar 2016, 9:06 PM

Cameron Dunn (cdunn2013)

c++inheritance

1 Vote

What is meant by return type?

20th Mar 2016, 6:03 PM

andwan0

c++functions

2 Votes

Why do we have to return always 0 in case the return type of the main() is int. What will happen if we return some integer other than 0?

18th Mar 2016, 4:19 AM

Adele Lawal

c++functions

1 Vote

I didn't get it... how can an oerator be overloaded?

16th Mar 2016, 9:29 PM

Rahul Singh

c++operator-overloading

0 Votes

What is the point of arrays? When are they used when programming for a website?

15th Mar 2016, 2:45 PM

Praman Kasliwal

0 Votes

What is a string concatenation?

10th Mar 2016, 10:13 PM

krisd1

c++strings

1 Vote

I still don't get the assignment operator. How could x += be possible? How can you assign x equal to itself plus something?

10th Mar 2016, 12:02 AM

chris

c++operators

2 Votes

6 Answers

9th Mar 2016, 6:25 PM

Angelo

What happens if i put && and || together.?

c++operators

0 Votes

What happens if the user entera a different data type than the expected one (for instante a char instead of an int)?

9th Mar 2016, 11:01 AM

Sayan Ghosh

c++variables

0 Votes

I don't really fully get what "case" And "break" are doing -- I'm mainly just copying the code there -- anyone have any helpful hints?

9th Mar 2016, 12:44 AM

Javier Gonzalez

c++switch

-1 Vote

Can someone please provide a simple real-world code example situation of when one would use the while loop?

9th Mar 2016, 12:24 AM

chris

c++loops

0 Votes

Is there a way in c++ to directly access balance as a getter without having to do a function call but only be able to modify it through related methods?

8th Mar 2016, 8:15 PM

chris

c++encapsulation

0 Votes

Can you guys tell me what is the difference between header <iostream> and <stdio.h> ?

8th Mar 2016, 6:18 PM

Josie Thompson

0 Votes

Is there anyway to integrate a graphics library in Dev C++ Bloodshed?

5th Mar 2016, 9:43 AM

NaMan GuPta

2 Votes

How long did it take you guys to learn C++? I actually hope i learn this language in 2 months!

2nd Mar 2016, 9:54 PM

Armando Herra

c++classes

1 Vote

15 Answers

2nd Mar 2016, 7:11 PM

player_001

Why is it so that even without using return 0, the program runs? What's the actual use of return 0

0 Votes

For what purpose does double pointers is used?

28th Feb 2016, 5:19 AM

Ritwik Madhukalya

c++pointers

0 Votes

What is the max size an array has?

25th Feb 2016, 10:28 AM

Aditya Ahale

0 Votes

Is it mandatory to define function outside the class?

24th Feb 2016, 5:59 PM

Ashu Babbar

c++classes functions

3 Votes

What is the difference between class and a function?

23rd Feb 2016, 8:38 AM

NavatejaReddy

c++classes functions

0 Votes

Why should one choose python instead of java or c++?

21st Feb 2016, 1:21 PM

Ajmal Hassan

c++java python

0 Votes