Q&A Discussões

I don't know why i can't use append function. Func cause programme to crashed as getting to it in for loop.

19th Dec 2016, 1:53 PM

धुंआधार • दुनियादार • व्यापार

c linkedlist pointers

1 Voto

Hey guys can anyone plz help me why upload function is not working when the input value is null?

6th Mar 2018, 5:17 AM

Amin Karimian

css html javascript website

0 Voto

Hey guys can anyone plz help me why upload function is not working when the input value is null?

24th Dec 2022, 5:05 AM

Pranav

css html javascript

0 Voto

Why do the examples all start with html tags and then head and then script...and how do u tell the placement and when to use /

24th Dec 2022, 5:14 AM

harshada patil

.......

-1 Voto

After you put the condition, why do people open up these curly brackets { } If u don't have to even put it..?

19th Jul 2020, 4:19 PM

Nteza Enock Jotherm

else-statements if-statements

2 Votos

Why do the images in my code are not displaying now, despite being displayed earlier? Is there any problem with the new update?

17th Dec 2017, 2:02 PM

Eli Bitton

html images

0 Voto

Can anyone pls tell me that why static is used in every method(function) in java?( while this is not the case in C++.)

17th Oct 2019, 9:15 AM

Roshan Diwan

c++function java method static

2 Votos

Why the font-family accept just old one like monospace and sans-serif !? i wanna type a new font family like Raleway so How

10th Jun 2017, 3:13 PM

Harshal Wadhwa

css css3 html html5

1 Voto

Dear Sololearn, Why is there no provision for practising SQL in Code Playground, like other courses have?

22nd Jan 2019, 11:22 AM

BENELHADJ DJELLOUL Oussama

codeplayground mysql sololearn sql

0 Voto

Why we lost our interests in a language, whether it's C, C++, Java or Python when we reach to the end of it (where complexity..

27th Dec 2016, 7:19 AM

Ajani AbdulGaniy A

c++java python

1 Voto

Hello community ... could someone explain to me why when you print the text of line 24 on the screen do you see strange letters?

23rd Dec 2020, 2:31 PM

TECH_ED

letters print strange

1 Voto

if __add__ is used to add another num to the exsisted num, so is __sub__ , __mul__, etc. then why do i keep seeing this:

27th Mar 2018, 11:40 AM

Jordi Contreras

magic-methods python

1 Voto

Hi my friends . In this sample $x=1 and should run case 1 echo one . But run all of case . Why print all of cases ?

4th Nov 2017, 2:48 AM

monotom

break

0 Voto

Although we have a default protected constructor in abstract class , why we can't create a new instance from it?

22nd Jun 2018, 4:56 AM

Seyyed Reza Rastbod

abstract-classes c#oop

1 Voto

Why we use (using namespace std; ) in c++ program?? But in turbo c++ compiler it is not used Why?

2nd Aug 2017, 4:01 PM

Amin Saadati

c++sololearn

2 Votos

Hey friends am not sure about CSS and JS .... because in HTML 5 why it used for code .....

4th Jan 2018, 3:32 PM

Nikash

about am confused it to

1 Voto

Hey friends! Give me defination of second loop on my below description and reply me why its sum is 20.

3rd Jun 2017, 5:29 AM

Himanshu Saroj

c++is it

1 Voto

Why it is necessary to use <ol> and <li> tags as we can also use <p> tag with <br> tag?

15th Aug 2018, 6:12 PM

Albert Whittaker :Shaken To Code

html lists

1 Voto

Why do we learn C there are many other better languages than this & much shorter code can be written?

21st Nov 2016, 5:28 PM

mathew varghese

0 Voto

Hope y'all having a great day... Why is the tax amount showing zero and how can it be corrected... Thanks

24th Feb 2019, 10:18 AM

Kevan Mehta

c++

0 Voto

why static method doesn't require object to invoke it? what happens if we call that by object( back end process)??

7th Jan 2021, 1:24 PM

Precious Okechukwu

classes java objects

1 Voto

Why are programmers always bizarre..... Like seriously the are with eye lences, loss or absent minded in a conversation ...

25th Sep 2016, 12:21 PM

riyas

c c++cpython html5 java jquery python3

-4 Votos

Why is not working? the description says for me to place the image in the same folder of my project

24th Jan 2018, 3:32 PM

Vals Junior

html images

0 Voto

Why specifying the data type for a given variable in C++, more than once results in a syntax error ?

5th Aug 2018, 1:07 AM

Arildo José Assis Pinto Junior

error syntax variables

1 Voto

In your opinion, why is C++ the most common programming language? [Aside from it is used in making apps... etc.]

29th Jan 2018, 5:48 PM

FullCoder ALCHEMIST

c++discussion programming question sololearn

1 Voto

Did you know that I plan to make an android app with java, and that's why I got this app.

3rd Dec 2017, 8:43 AM

Erik Y. Lenon

java operators

1 Voto

How old did you start or find out about programming. Why did you want to program all of a sudden?

27th Sep 2017, 10:24 PM

GoldenTreesMC MCPE

how Old programing

1 Voto

Why it is asked complete the previous lesson but I already completed again it asked like that and and go to forward?

18th Aug 2017, 2:08 AM

Krieg7

question

1 Voto

When do pointers and dynamic memory come into handy? (C++) Why would we need to store memory? Is the stack worse than the heap?

30th May 2022, 6:15 PM

DUDEKULA Nasar Vali

c++dynamic memory pointers

2 Votos

Please why is the code not working as expected. I inserted some integers and the code is expected to sort the out in asending

8th Aug 2017, 7:10 PM

HJ🐓TDM

bubble java sorting

0 Voto

why is it that when you run python program it will bring something like this "look like your program need input " what shouldido

2nd May 2020, 11:02 AM

David Felix

python

0 Voto

let conn = new XMLHttpRequest(); conn.onreadystatecgange... This is not responding don't know why Pls can you guide me?

9th Oct 2023, 4:36 PM

Layfix103

bootstrap javascript php sql

1 Voto

Why im getting less xp when i win and losing more when i lose? Its totally huge gap.

12th Oct 2019, 9:49 AM

Decodeworms Olamilekan

challenge xp

0 Voto

Why is it that when i type the title or comment it does not appear in the output

20th Sep 2017, 8:22 PM

Siddu Kori

-2 Votos

Why we have the same output with defferent Html forms? Is there many types of html coding system?

15th Sep 2019, 5:17 AM

Kay

form forms html html5

0 Voto

Why does this program doesnt said to be right of "the trip planner", when the answers are accurate?

5th Jan 2019, 6:53 PM

Abdulrahman Mohamed

javascript

0 Voto

Can anybody tell me why my colide detection codeblock is not working? And can you fix it ??

8th Jul 2021, 8:03 AM

Roshan Bharti

bird flappy javascript

1 Voto

Why output is differnt of a C language code. Int a,b,c; a= 4 b=2 c=3 c= --a - ++b + c++ ;. Outpt c=4 in dos and ubunt c=3

24th Aug 2022, 5:17 PM

Somim Ahmed

1 Voto

Why it prints 3 times instead of 4? I thought it will print 5, 4, 3, 2 so it's 4 times, right? Can someone explain it to me? Thanks

17th Sep 2017, 6:00 PM

Praveen Patil

loops python

1 Voto

Why :: (scope resolution operator) is used in c and c++? How it works in a program? Help me to understand

11th Aug 2016, 10:27 PM

Faizal Khilmi Muzakki

c c++

1 Voto

[HELP!] VERY URGENT HUHU! Why won't my program show the Questions part of my program even when I selected a Lesson???

13th May 2017, 5:20 AM

Vignesh

c++if-statements

0 Voto

Why my code that I wrote in IDE change in screen on CODEPEN??? I have to write again my css :(

30th Aug 2019, 12:47 AM

siomai

codepen css html website

1 Voto

Which is more compatible ane preferable in python and why ??? 1. 4 not in nums 2. not 4 in nums

2nd Feb 2018, 11:47 PM

Juliana Rodrigues

lists python

1 Voto

Why does this output 4? I'm having a bit of trouble distinguishing between the OR (| | ) and the Logical OR (||).

11th Nov 2016, 10:51 AM

PAWAN KUMAR

javascript

0 Voto

If I can set an attribute on instantiation of the class by means of a Constructor, why then do I need a Setter?

3rd Mar 2018, 12:26 PM

Briaה‎

constructors java setters

0 Voto

Hello. Can someone tell me why it works only First time? If you click on <p> it becomes field and you can change text. Thanks

1st Sep 2016, 4:01 PM

Promise Emmanuel

javascript jquery

1 Voto

Please tell me why there is no output, it seems like everything is correct in the code. I know it can be done easier, but I'm w

27th Apr 2018, 9:20 PM

Istvan Attila Gazdag

python

1 Voto

Why does the javascript code inside the "JS" window display an error ? Is it possible to work in this window ?

10th Oct 2022, 9:34 PM

Druahlov

html javascript

0 Voto

why my code isn't working ..i have made a calculator earlier using switch...but now i want it to work using if statement

16th Apr 2019, 10:07 AM

José Guilherme

c++calculator if-statements not_working

0 Voto