Q&A Discussions

Is there any difference between = and ==?

16th Feb 2016, 12:53 PM

Emanuel Lozitsky

c++if-statements

2 Votes

10 Answers

14th Feb 2016, 5:46 PM

Queenoftheworld

What does :: mean and do?

c++classes

0 Votes

What is the advantage of using the destructor?

14th Feb 2016, 1:00 AM

Jack Gao (JJ)

c++destructors

1 Vote

What is the difference between an identifier and a variable?

10th Feb 2016, 10:44 PM

Mohammed Alghazzawi

c++data-types variables

2 Votes

When should you use recursion instead of a loop within a function?

10th Feb 2016, 10:25 AM

Ashutosh Singh

c++functions recursion

12 Votes

12 Answers

7th Feb 2016, 8:15 PM

Jared O'Leary

Why #include <iostream> instead of #include<stdio.h>?

0 Votes

What is compile time and run time?

7th Feb 2016, 1:05 PM

ali khan

1 Vote

Is there any performance difference between i++ and i=i+1 ?

5th Feb 2016, 1:30 AM

Lead Raven

c++loops

0 Votes

5 Answers

1st Feb 2016, 4:03 AM

Deepak C R

What is the difference between rand() and srand()??? please clarify...

c++rand

3 Votes

Could someone explain me please, why is useful a pointer to a class' object, if I can simply use the name of the object in the class?

31st Jan 2016, 7:58 AM

RAVI KUMAR G

c++classes pointers

1 Vote

Hi I downloaded codeblocks mingw from the given website, after installing that it shows that invalid compiler pls anyone assist me.

30th Jan 2016, 4:33 PM

Matias Beraldo Fernandez

1 Vote

What does GNU stands for?

29th Jan 2016, 4:30 AM

Mohammed Ibrahim

0 Votes

What is diff between java and c++?

28th Jan 2016, 7:26 PM

brian sadock

c++java

0 Votes

Hi, what is cout? What is it for?

23rd Jan 2016, 4:38 AM

Akash

1 Vote

Can I return different types other than void and int? Maybe char, string, float, double etc?

23rd Jan 2016, 1:10 AM

Andres Ned

If it print a random no. Then how can we get same no. Each time?

3 Votes

7 Answers

22nd Jan 2016, 1:31 AM

moise

c++rand

3 Votes

What exactly is the point of the "return"?

21st Jan 2016, 6:25 AM

Ajit

What about memory occupied by templates?

2 Votes

5 Answers

19th Jan 2016, 6:52 AM

Noble S. Ant

c++templates

1 Vote

What is the difference between argument and parameter?

18th Jan 2016, 11:20 AM

chintan patel

c++function-arguments functions

1 Vote

What is the cmath library?

17th Jan 2016, 7:03 PM

Khan

1 Vote

I don't believe I understand the modulus operator very well.

15th Jan 2016, 5:50 PM

Ben Rae

1 Vote

Could you please clarify a bit more about #ifndef?How could be defined header file twice if we don't put #ifndef as we can't have two header files with the same names?

15th Jan 2016, 4:13 AM

Sandra Pérez

c++classes

1 Vote

How would you write the values a 3 dimensional array?

12th Jan 2016, 4:42 PM

Ivailo Ivanov

arrays c++

0 Votes

I can not understand difference between Class and Struct.

11th Jan 2016, 8:41 PM

Luke

c++classes structs

32 Votes

42 Answers

9th Jan 2016, 12:39 PM

dani rzv

Why would you need to use the not operator?

0 Votes

So x++ and ++x are essentially both the same as x=x+1 but the postfix is the only one that changes the value? Or no? I think I missed something.

7th Jan 2016, 6:12 AM

Jackson

So "virtual void attack() = 0" = "virtual void attack(){}"?

4 Votes

8 Answers

6th Jan 2016, 7:47 PM

Geoff williams

abstract-classes c++

0 Votes

What happens if I just declare the variable "sum" but don't put the initial value? For instance, if instead of saying "int sum = 0;" , I said " int sum;"

5th Jan 2016, 2:18 AM

Yangmo Zhu

c++variables

1 Vote

If a template type can take any data type, why would we need multiple template types? Why not just make one template type and use it for everything?

3rd Jan 2016, 10:16 PM

Lucas

c++templates

2 Votes

Can a function be called from another function that is not main?

3rd Jan 2016, 6:26 PM

Taylor Street

If a pointer is supposed to be passed, why is the friend function's argument (MyClass &obj), not (MyClass *obj) ?

4 Votes

16 Answers

3rd Jan 2016, 4:48 PM

Riccarda

c++classes friend

2 Votes

hi guys can anyone tell me what is the use of namespace with an example and why only namespace std not namespace cout and how I know which type of namespace s are used writing an program?

3rd Jan 2016, 2:01 PM

Tesik

2 Votes

how to get Return from a Function created as Private?

1st Jan 2016, 1:53 AM

sivasaiprakash

0 Votes

if a=1,b=0 b=a++ + ++a + ++a what is the final value of a and b?

31st Dec 2015, 9:01 AM

Gaurav Kumar

0 Votes

Why would İ prefer to use a variable rather than a constant?

30th Dec 2015, 11:05 AM

Deepanshu Gupta

c++constants

0 Votes

Can we make an array and read the randomly generated values one by one into the array using a for loop ??

29th Dec 2015, 6:25 PM

Kevin Kiambe

c++loops rand

0 Votes

if we will not declare how many elememt an array will story (int a[];)than it will hold unlimited value?

27th Dec 2015, 2:09 PM

Abhishek Raj

arrays c++

1 Vote

Why would you need to use multiple "<<" in one cout line?

26th Dec 2015, 4:06 AM

Akarsh

c++cout

0 Votes

Does endl and '/n' serve the same purpose?

24th Dec 2015, 8:45 PM

Jason Elkins

c++cout

3 Votes

17 Answers

22nd Dec 2015, 4:12 AM

Saksham Sneh

What is the meaning of 'declare a function'?

0 Votes

What happens if you don't put endl?

21st Dec 2015, 1:02 PM

Prashant Bharduaja

c++variables

0 Votes

Which OS is best for C++ programming, Ubuntu (Linux) or Windows 10?

18th Dec 2015, 2:52 AM

Corbin

1 Vote

8 Answers

16th Dec 2015, 4:43 AM

Brian

Define data types

c++data-types

1 Vote

Can any one tell me what is static typing?

11th Dec 2015, 2:10 PM

Arslan

0 Votes

Why we start the index of array from 0?

11th Dec 2015, 3:27 AM

Rutvik Kapade

arrays c++

0 Votes

So guys... I've been making a custom calc and I was wondering how I would add different operations? Like how do i make it so I can choose an operation?

6th Dec 2015, 6:38 PM

PRIYANKA YAWALKAR

0 Votes

4th Dec 2015, 8:34 AM

Chandler

What is type checking?

0 Votes

What are the defaults? If you just state a variable int x; What is the default size and is it automatically signed or unsigned?

28th Nov 2015, 1:45 AM

Arjoon Srikanth

c++data-types

1 Vote

What happens if you input a negative number to an unsigned integer?

2nd Nov 2015, 4:51 PM

OTheB

c++data-types

0 Votes