Q&A Discussions

How can I do a copy of a pointers list? C++

11th Jun 2020, 12:28 AM

Prashant Pant

c++copy lists pointer pointers

1 Vote

10 Answers

14th Oct 2020, 7:26 AM

Eduardo Perez Regin

Can we change const object's variables by first making a pointer to it and then using the selection operator -> ??

1 Vote

What's wrong in array of parametric constructor

3rd Sep 2019, 5:13 PM

DÄRK PRÌÑÇÉ [ Inactive ]

c++constructor parametric pointer

2 Votes

How to write a code in c++ that differentiates between using asterisk(*) for pointer declaration and the deference operator?

6th Apr 2022, 12:21 PM

Ketan Lalcheta

2 Votes

Why do we need to declare pointer dataype with string while it has a hexadecimal integer??

9th Jan 2018, 6:18 PM

Tesneem Tarik Mohamed

c++data-types pointers

1 Vote

an output showing the value of a pointer contained a digit x. Why is it so?

27th Jun 2017, 1:52 AM

Pramit@10

2nd exercise pointer

0 Votes

Can a pointer of integer type hold the value of character type or float type ?

16th Mar 2017, 11:15 AM

Ankit Prasad Patel

beginner c++pointers pointertype

0 Votes

Hi! I code this and output is : 2686748 5 why? I think it should be : 6 6, and when I use +=1 instead the output is6 6

1st Sep 2017, 1:47 PM

Satyam Anand

cpp help pointer question

2 Votes

7 Answers

23rd Jul 2017, 9:43 AM

ghazal minaee

how can i assign value to a variable using memory address in c++m

c+pointer var

1 Vote

When declaring a pointer to a variable, do we need to initialize to NULL all the time? Why?

6th Nov 2020, 1:30 PM

SHAHAB SAQIB

c null pointer

1 Vote

Difference between passing by reference and passing by pointers in c++

30th Dec 2018, 8:46 AM

Konybud

c++call pointer reference

1 Vote

what is the (technical) difference between a pointer variable (<datatype>*) and a reference variable (<datatype>&). which one should be preferred?

5th Mar 2020, 4:52 PM

Armina

c++pointers

3 Votes

Why is not there any error?

25th Jun 2016, 2:09 PM

multimodcrafter

c++constant pointer

1 Vote

Why this code shows warning? please clear my doubt

27th Mar 2019, 2:25 PM

Alireza Abbasi

array multidimensional pointer

1 Vote

array c++pointer structure

21st May 2021, 7:27 AM

Yogeshwaran P

why output is not zero

3 Votes

How to build the concepts of pointer?

15th Jun 2020, 2:27 PM

Ketan Lalcheta

c c++java pointer

3 Votes

Hi everybody, Can you give me some exemples in what case we can use pointer in a program? Thank you.

3rd Mar 2019, 11:52 AM

Parmesh Joshi

0 Votes

Why the pointer increases by 4 when the increment operator is used (ptr++)? Why there's something to do with int?

14th Aug 2016, 11:39 PM

Attitude

increment-operator pointers

1 Vote

The output is 55, but I don't understand why the memory address of the *ptr is 23fe3c.

4th Dec 2018, 3:53 PM

Konybud

address_arithmetic c memory_address pointer

1 Vote

5 Answers

30th Dec 2018, 1:43 PM

Konybud

how to make sure a dynamic variable is removed in C++?

c++cpp dynamic-memory pointer

1 Vote

Integer pointers vs pointers to integers

11th Mar 2024, 9:19 PM

Sanan

c int pointer quiz

1 Vote

Fill in the blank to declare a pointer to the "st",where "st" is of type "student",then call printAge() via the pointer?

17th Mar 2020, 5:13 PM

Silman

c++question

-3 Votes

I seek explanation of following question

6th Jul 2020, 3:11 PM

Devarinti.Venumadav

double function pointer

1 Vote

Newbie to C++: How to use pointer to reach the different elements in a row of a vector

17th Apr 2019, 5:04 PM

Satyajeet Kumar

c++pointers vector

0 Votes

A program to determine the area of a rectangle while passing parameters by reference using the width as the only pointer

27th Mar 2020, 2:08 PM

汝風留名

-1 Vote

Tried copying structure pointer to structure which is possible while the reverse is not possible: Can someone help out?

20th Feb 2020, 9:26 AM

Peter Njenga

pointers structs

0 Votes

IN C++ FILE HANDLING HOW TO MOVE THE POINTER TO A NEW LINE WHILE WRITING TO A TEXT FILE

21st Feb 2019, 6:43 PM

Ranjani Sathyamurthy

1 Vote

16th Nov 2018, 6:27 AM

Cipher

Output of C++ code

c c++pointer

0 Votes

When I write 'MyClass obj;' in C++, is obj a pointer or an object? Differences with Java

23rd Jul 2020, 6:40 PM

Edward Finkelstein

c++java objects

0 Votes

Find the output asap.. And explain the program's working...

4th Nov 2016, 8:07 AM

Elia Perantoni

c++char pointer

0 Votes

Why is different specifier used to print out address of variable and pointer some use %x, %u i need clarity please.?

13th Sep 2017, 4:24 PM

Utsuk Smile

pointers

0 Votes

Why is it giving 'hexa' and not 'he'? (the same output for cpp too)

10th Jun 2020, 8:37 AM

Femi SONI Y

array c cpp pointer string

-1 Vote

9 Answers

9th Sep 2020, 6:17 PM

Aayu

Display an alert when the mouse pointer is over the div tag: <div_______="alert("Hi");"> put the mouse Over me</div

<div>

-2 Votes

Can explain how its working?

27th Aug 2020, 12:22 PM

Godfirst Amaka

array matrix pointer

0 Votes

Why size of any pointer variable depends on Computer Architecture ? And If not then on what it depends ?

29th Mar 2021, 6:41 AM

Karitoriki Nya

1 Vote

Why "pointer" concept is not in java programming language ?

9th Aug 2017, 3:01 AM

Arvind Singh Rawat

java pointer programming

1 Vote

Display the alert tag when the mouse pointer over the div tag. Please give the right ans to complete this code

3rd Nov 2018, 9:30 PM

Bipin Tatkare

_______="alert('hi');></div><div

1 Vote

What is the difference between * as a symbol of pointer and * as a dereference while using both in a same code?

28th Mar 2019, 8:10 PM

Divyansh Rajak

C dynamic memory

array c c++memory pointer

2 Votes

5 Answers

25th May 2018, 2:30 PM

Kevin AS

0 Votes

[Solved] Dynamic arrays in C++

4th Sep 2018, 3:18 AM

Maitrey Bhaskar

array c++dynamic input memory pointer solved

5 Votes

8 Answers

13th Nov 2022, 8:01 AM

Maisu

Hi, I am complete beginner. Plz can anybody tell me wat does the star (or pointer !!?) before c signifies in the following code?

begginer programming python python3

1 Vote

21st Dec 2017, 3:51 PM

Drishti Sharma

Pointers in c++

array c c++pointer

0 Votes

28th Sep 2018, 4:00 AM

Jheniffer Gonsalves

ARM assembly and C

arm c c++pointer stack

3 Votes

Hey guys Idk why when i creat a new file and i write on it when i try to read from by program the pointer always stay in null va

12th Sep 2021, 3:57 PM

Mehran

c files handling in

0 Votes

7 Answers

10th Jan 2022, 11:38 AM

Coderalgeria

What does this code mean??

array c++cpp new pointer

1 Vote

What is the use of n here ?

16th Feb 2022, 1:23 PM

DevAbdul

address array point pointer

1 Vote

When pointers are used, when reference types are used?

8th Jul 2019, 7:02 PM

Krishna Kumar

pointer reference reference-types

0 Votes

Do we have pointers in Python?

7th Jun 2017, 5:03 PM

Sriram Valiveti

pointer pointers python

0 Votes