Q&A Discussions

How does strcpy() works in the code below. Why no Runtime Error ?

19th Jun 2019, 12:42 PM

Krishna Kumar

c mcq pointers runtime strcpy()string

0 Votes

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

25th Jun 2019, 5:53 PM

cool_boy12344

abstract-classes c++objects pointers polymorphism virtual

1 Vote

Does anyone have any practical uses for pointers?

19th Dec 2018, 6:25 AM

Atik🇧🇩

c c++code codeplayground compiler playground pointers practice

2 Votes

28th Jun 2020, 9:25 AM

Clueless Coder

char* in C/C++

c c++char cpp pointers strings

0 Votes

Question on Files and Pointers. Put and Get pointers.

19th Aug 2021, 11:30 AM

Yahel

c++files pointers put tellg tellp

0 Votes

How to know the segmentation faults in C? The code is below(seeing to the word limit its incomplete)

18th Jun 2020, 1:43 PM

Prashant Pant

c coredumped linkedlist pointers segmentationfault

0 Votes

What's the problem occurs during allocating an Array dynamically?

14th Mar 2020, 6:23 PM

Ayush Dubey

arrays c++cpp dynamic integer new pointers

1 Vote

I can't able call the 49th line function in the c programming

29th Nov 2018, 12:17 PM

Surajit

allocation arrays c dynamic functions pointers struct

0 Votes

22nd Jul 2021, 4:20 PM

Charizard

Ideas

coding compiler help html java pointers python ruby sololearn

5 Votes

Need some advices about two-dimensional arrays.

9th May 2017, 11:07 AM

Möbius

advices arrays c code pointers structs

1 Vote

Dynamically allocating a 2D array in C++

18th Aug 2019, 10:49 AM

Ensifer Rus

2d arrays c++dynamic memory new pointers

2 Votes

Pointers, dynamic and static memory

1st Jan 2020, 8:32 AM

Shahil Ahmed

c++dynamic memory pointers static

2 Votes

26th Jan 2017, 1:40 PM

Oriol Hidalgo

Who can answer???

arrays c c++functions iostream linked linkedlist pointers

0 Votes

10th May 2020, 1:31 AM

Mohamed Raafat Elsayed

char* vs std::string

c++char cpp pointers std strings

0 Votes

18th Aug 2021, 8:52 AM

Yahel

Why puts cant work here

c c++getchar gets input output pointers puts

0 Votes

address asm extended-asm inline-asm pointers reference

19th May 2019, 3:09 PM

Dzondzula

[SOLVED] C ext. asm swap

0 Votes

Coding at a higher level?

6th Mar 2019, 6:43 PM

Henrik Andersson

help html input java php pointers python3 ruby

3 Votes

I want to use scanf function to get an input and then assign it's value to my array? Can You Please help me out?

9th May 2017, 11:06 AM

Möbius

arrays c functions pointers programming raj scanf

2 Votes

aggregation association c++composition cpp inheretence oop pointers

18th Jan 2019, 2:11 PM

Vinayak Sharma

Aggregation in C++

1 Vote

This was an example in my book on put and get method for file. It doesn't compile. And now I am confused.

29th Oct 2019, 8:18 PM

Raja Shahvez

c++file get pointers put

0 Votes

How to access the pointer to the character array?? What is the expected output ?

19th Jun 2020, 7:11 AM

Prashant Pant

arrays c c++dynamic memory null pointers

0 Votes

Will C program run C++ programs without any problem like C++ does??

8th Nov 2019, 9:10 PM

Puneet Goel

c c++compiler interpreter pointers

0 Votes

If i increment the pointer and pass it to function why it prints address after returning to main??

18th Sep 2017, 5:02 AM

Praneti Kore

c c++function-arguments functions increment main pointers variables

0 Votes

How can I make an array attribute without predefined size? (God's language++)

27th Dec 2018, 2:56 PM

Rohit

arrays attribute c++cpp dynamic dynamic-array-size dynamic-attribute instance object-attribute pointers

1 Vote

I need help with tellg(). I have pasted the code and where I need help.

26th Feb 2020, 7:35 PM

Seb TheS

c++files pointers seekg()tellg()

0 Votes

Why C strings are declared char * ?

2nd Aug 2020, 5:05 AM

Prashant Pant

c c++memory pointers strings

1 Vote

What is "Global Memory" in C++?

6th Apr 2017, 12:38 PM

João Krejci

c c++heap memory pointers sololearn static

0 Votes

why does case 2 yields error(error: 'ch' undeclared (first use in this function)). when its perfectly okey to declare 'i' inside

19th Aug 2021, 3:57 AM

Samael Morningstar

arrays c c_lang characters cpp doubt for_loop loops pointers strings

1 Vote

c++cpp garbage magic-methods memory objects oop operator-overloading pointers user-defined

16th May 2022, 6:16 AM

blueshipswims

Garbage problem in C++

1 Vote

Can you help me with the LinkedList?

21st Sep 2020, 8:32 AM

Seb TheS

help java linkedlist links lists pointers

0 Votes

How to work with arrays and how to enter data into them and retrieve them for use ???

3rd Jan 2017, 6:33 PM

Mario

arrays c++code loops pointers

0 Votes

Why Do We Have To Initialize When We Reserve Memory With Malloc?

7th Jan 2017, 5:33 AM

Siddharth Naithani

2d array c pointers with

1 Vote

can anybody tell me what im doing wrong here?

14th Dec 2017, 7:31 AM

Yusuf

c++inheritance pointers protected reference value

0 Votes

Cam someone clearly explain why 'int &x' takes the value of a not 'int x'

7th Feb 2019, 1:32 PM

sina

by c++pass pointers reference swap

1 Vote

Can someone explain to me with this code at the switch statement? Anything improvement in my linked list deletion code?

9th Mar 2018, 8:46 AM

Neeraj Jadhav

c cprogramming cprograms deletion linkedlist lists pointers structs

0 Votes

How can strings be allocated in the heap using pointers. Strings can have variable size then how can they given a space in heap?

17th Jan 2020, 6:01 PM

CY_27

allocation c++cin guest memory new pointers strings

0 Votes

C++ forbids comparison between integer and pointer

4th Jan 2020, 2:34 PM

Sajal Chuttani

c++comparison cpp error errors if-statements integer pointers

0 Votes

I have a test tomorrow, any tips?

15th Mar 2023, 6:57 PM

Dronto

c++classes code pointers read test

1 Vote

Passing array to a function. Memory handling.

5th Dec 2016, 7:38 PM

‎ɐısıօլɐ

arrays c++function-arguments functions memory pointers

1 Vote

More questions regarding linked lists

21st Jan 2018, 4:18 PM

Miroslav M

c++data-structures linkedlist lists pointers

1 Vote

How the C++ polimorphism work with pointers?

27th Nov 2017, 5:38 PM

X-1

c++inheritance memory pointers polymorphism

0 Votes

17th Mar 2017, 3:12 PM

‫ברוך רוטקוף‬‎

what is the use of java

math pointers python sololearn strings

-2 Votes

Is this the right way to delete a vector of pointers?

2nd Aug 2017, 5:29 PM

don

allocation arrays c++dynamic freeing memory pointers vectors

0 Votes

Why does the compiler revive a deleted object?

22nd Dec 2018, 3:09 AM

voidneo

c++constructors destructors instance objects oop pointers static suicide user-errors

1 Vote

In linked list does next pointer contain address of next node actually? Or it just points to the data variable of next node.

20th Jul 2021, 8:10 AM

Purple Requiem

adt data-structure data-types linkedlist pointers structure

0 Votes

Para que asignar memoria con 'new' en c++??

19th Sep 2018, 5:30 PM

Kishor Jena

c c++dynamic dynamics heap memory new pointers stack

0 Votes

5th Sep 2017, 4:07 PM

Carlos Castillo

What is this?

arrays c c++code data-types functions pointers

1 Vote

To find if a matrix is identity or not.

10th May 2019, 6:19 AM

ravi shanker

arraylist arrays code codeplayground interpreter math pointers self-learning sololearn xcode

-1 Vote

🙏🏻Help: Pointers, classes, Structs, arrays, file I/o, functions

2nd May 2020, 2:13 PM

Tipu Sultan

arrays c++,classes cpp,functions help pointers structs

1 Vote