Discussions Q&R

What does a statement like "int& p = a" mean?

7th Sep 2018, 7:48 AM

deepanshu samdani

&int&pointer

0 Vote

Whats is the benefit if we use enemy pointer to the type of it's inherited class ?

9th Mar 2020, 11:13 AM

Сергей Куликов

abstract-classes c++objects pointers polymorphism virtual

1 Vote

Why Python doesn’t using pointer?

19th Dec 2018, 6:25 AM

Atik🇧🇩

What Is My Mistake?

c pointer string

2 Votes

5 Réponses

8th Dec 2017, 9:05 AM

Yusuf

pointer python,

0 Vote

Hey!! Can anyone please say me what is ment by a pointer in detail???

1st Apr 2020, 12:29 AM

Korea Univ

Dynamic memory problem

c++dynamic memory new pointer

2 Votes

12 Réponses

8th Sep 2020, 9:33 AM

Sm Developer

hey man please

-1 Vote

Can you get value from one void to onether by pointer if yes how?

2nd May 2017, 2:27 PM

Viraj Shah

c++dynamic memory pointers

0 Vote

Why is it good practice to assign NULL to a pointer when declaring it?

3rd Jan 2017, 12:03 AM

Justas Glodenis

c++pointers

0 Vote

How to scan elements and access 2D array by the help of pointer .

31st Jul 2016, 7:13 PM

Awni

2d_array array pointers

0 Vote

19th Aug 2017, 9:27 AM

CHandan AGrawal

Pointers

array c++pointer

5 Votes

Hello, can someone explain me, why us needs the pointer in c language and the importance of the malloc()? Thanks !

26th Mar 2017, 12:58 PM

Sahaj Bamba

c#c+cprogramim pointer

2 Votes

What's the difference between a pointer to a string to which i have assigned malloc and an array of chars?

6th Nov 2021, 2:11 PM

Kady

arrays c pointers

1 Vote

Hey Guys I want to create a code, but my program always tells me that I can't compare a pointer and integer

19th Apr 2019, 9:33 PM

Alexander Sheremet

c++if noobquestion

1 Vote

7 Réponses

26th Aug 2018, 3:53 PM

Calvin Knoop

Swapping two numbers in c programming

arrays c pointer swap

0 Vote

8 Réponses

7th Oct 2024, 8:40 PM

Prakash Kumar Jaiswal

Can someone recover this code ?

array cprogramming pointer programming strings

1 Vote

21 Réponses

21st Dec 2018, 1:28 PM

Nurullah Aydın

Pointer++ in c, weird part for me, why?

++assignmnet c pointer

2 Votes

5 Réponses

20th Jan 2022, 5:14 PM

張春德

There is a called function and i allocate memory at run time there and i return pointer

1 Vote

Why this code output nothing ?? Help plz

15th Oct 2019, 1:44 PM

simi sam

%s outputs pointer strings

3 Votes

Why can't we store the address of variable in a normal variable wich is not a pointer? Why the pointer is preferred to

20th Mar 2022, 7:58 PM

Mik

Why tellg is returning negative value?

1 Vote

6 Réponses

11th Mar 2020, 2:56 AM

Lagishetti Venkatesh

negativepointer pointer tellg

0 Vote

The arrow operator has to be used with a pointer - True or False ????

1st Apr 2020, 9:14 AM

Abhishek Dimri

0 Vote

how can we control our array size in java? In C we used to use a pointer and dynamic memory allocation.

27th Jul 2018, 8:19 AM

Vector The King

arrays java

0 Vote

6 Réponses

9th Apr 2018, 2:46 PM

Malik .

Can anyone please explain the working of below code snippet how pointer is pointing and printing the values.

c pointers

1 Vote

Can't be address of a pointer use as random seed for srand() function. And how ?

8th Aug 2021, 5:55 AM

Sanaya Singhaniya

numbers random srand()

0 Vote

Like p is pointer which is pointing first node ...then data is a actual data which node contains and next part contain address

24th May 2020, 8:47 PM

Shubham Maurya

linked list single

3 Votes

5 Réponses

29th Oct 2020, 4:51 AM

Vikramjeet Singh

What is the relation between ' * ' and ' & ' operator

address pointer

0 Vote

What makes difference between char, int, float, double in pointer?

27th Nov 2016, 8:38 PM

MAHESH UMALE

c++pointer

0 Vote

This code in 2nd line pointer access the char and + 5 . But how it's show output learn. Plz explain

15th Mar 2017, 5:51 PM

Shuvam Pal

c sololearn

0 Vote

I coudn't understand the statement "when objects are destroyed by the delete pointer expression or gone out of scope"?

23rd Aug 2020, 5:43 AM

Suparna Podder

c++destructors

2 Votes

Why is it important for a pointer to have the same data type as of the variable it is pointing to?

10th Jun 2017, 8:00 AM

Ahmad Ali Saim

c pointers

1 Vote

I thin the addresses in an arrey is continuous then only the pointer arithmetics will work correctly. Correct me if i am wrong!

18th Sep 2018, 8:40 AM

Rahul Raghuwanshi

address arrays pointers

1 Vote

6 Réponses

24th Oct 2019, 3:22 PM

George Alex

Why we use pointer?

pointer reference variables

1 Vote

If you can add up the value of variable a pointer points to like i did in the code , then why can't you add the addresses

12th Sep 2017, 4:04 PM

$h@dow

What would be a practical example for the use of the pointer rather than the variable? Thanks.

1 Vote

14 Réponses

13th Sep 2018, 4:29 PM

Aditya Prasad

c++pointers

0 Vote

Is there any pointer concepts exist in python? if yes then please give any example.

18th Jul 2017, 5:00 PM

Richard Appleton

pointers python

0 Vote

What will happen if we add some value in pointer which already have a address of a variable .

9th Jul 2016, 11:22 AM

RUDRABHA MUKHERJEE

1 Vote

In C we have pointers to return multiple values from a function but how to do it in java??

7th Sep 2018, 5:21 PM

Test 123

in java pointer

-1 Vote

what is the start of executable code?

23rd Jun 2017, 11:50 PM

Santosh Kondepudi

c function-pointers pointer

0 Vote

13th May 2020, 7:30 AM

Zhengrong Yan

Output of C++ code

c c++pointer

0 Vote

4th Feb 2021, 9:29 PM

Edward Finkelstein

Incrementing an address

c++increment pointer

0 Vote

C- How to iterate elements in array of pointers?

26th Jul 2020, 6:30 AM

Solus

array c iterating pointer

3 Votes

dynamic allocate and free in c

15th Jun 2021, 7:47 AM

Muhd Khairul Amirin

c dynamic free malloc pointer

7 Votes

8 Réponses

21st May 2019, 11:16 PM

ABADA S

If an array in c behaves like an pointer, it is any use to initialize a pointer to the array?

arrays c pointers

1 Vote

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

27th Mar 2020, 4:30 PM

Cristian Daraban

c++classes friend

2 Votes

3rd Jan 2016, 2:01 PM

Tesik

Output of C++ code

2d-array c++pointer

0 Vote

if a pointer has its data typ as integer then how can it store the memory address of a variable which may contain character?

26th Aug 2020, 8:36 PM

Edward Finkelstein

c++pointers

3 Votes

7 Réponses

20th Jun 2016, 7:45 PM

Monic@

What is the difference between declaring a variable and declaring a pointer?

*p c++pointer

0 Vote

Is it necessary to use function as a pointer while returning array from other function to main function in c?

21st Aug 2024, 8:48 AM

Keetie

arrays functions

0 Vote

Call by reference of a pointer?

22nd Jan 2019, 7:25 AM

Ankit Sharma

c call_by_reference pointer

0 Vote