Discussions Q&R
why we cannot write constructor in interface? while we can write constructor in abstract class?
0 Vote
1 Réponse
I cannot connect c# with xampp databas when i want create windows application .😚:-(
2 Votes
1 Réponse
props are read-only, and components cannot modify their props. I want more explanation with examples
1 Vote
1 Réponse
Please, I'm getting 'Uncaught TypeError: Cannot set property 'innerHTML' of null' in my web codes. How do I debug this?
2 Votes
4 Réponses
Can you please explain how to use an abstract class because i cannot initialize it.
0 Vote
3 Réponses
I cannot connect c# with xampp databas when i want create windows application .😚:-(
0 Vote
2 RéponsesVery urgent pls helpC# Operator '>=' cannot be applied to operands of type 'string' and 'int'.
0 Vote
2 Réponses
why i cannot find python for beginners, python for data,python for finance,machine learning in my profile?
0 Vote
1 Réponse
New Code block in the updated app looks terrible. It's so dark that i cannot see any line clearly without opening the playground
8 Votes
4 Réponses
I dont know why cannot find widget or abbreviation for argument:'i1'.
How to modify?
0 Vote
2 Réponses
If you were to select top 5 sololearners, what would be your list.? And why?..Note !!! you cannot choose yourself..
9 Votes
2 Réponses
my tablet does not appear to have brackets. I cannot type brackets . anyone else have this problem?
1 Vote
5 Réponses
Why is my code not going through? it's indicating >>> uncaught TypeError! cannot read property 'getContext' of null line: 5
0 Vote
5 Réponses
Cannot login to sololearn.com website with correct info., only on phone app, any ideas? Sorry if wrong forum.
0 Vote
2 Réponses
When I enter data from php to sql, it is accepted only once. I cannot enter more than one value. Is there a solution?
1 Vote
7 Réponses
Tuple Hadouken : I cannot tell what this is, in Python 3.11 (problem likely not due to it being in 3.11 though)
1 Vote
4 Réponses
Please the private chat group what does it mean when it says you cannot respond to this conversation
0 Vote
2 Réponses
In java , why abstract class have static variable even though abstract class cannot be instantiated
0 Vote
1 Réponse
Is there any way to make class attributes unchangeable, so one cannot change not for class, nor for the object of the class?
3 Votes
5 Réponses
Can I learn security of networks and information or I cannot learn except one thing of them??
1 Vote
3 Réponses
A namespace cannot directly contain members such as fiels and methods. - error
What it means?
0 Vote
2 Réponses
Why the console shows an error, as"` str` object cannot be interpreted as an integer. "
0 Vote
3 Réponses
Why messages cannot be sent to anyone in sololearn nowdays.?. I couldn't able to chat with my friends..
1 Vote
1 Réponse
There is problem with the solo app . Cannot show leader board , it says Internet connection problem
0 Vote
2 Réponses
How do I fix (warning: session_start() : Cannot send session cache limiter) on my php script???
0 Vote
2 Réponses
Hye,what is mean about the constant that we cannot changed or undefined after they been defined?
1 Vote
2 Réponses
now i understand const cannot be reassign unlike var
so so what is the essence of using it (const)
0 Vote
4 Réponses
Why in java we have to write class name same as file name?? And without same name it shows that main function cannot load?
2 Votes
5 Réponses
Uncaught Type Error : cannot read property of 'addEventListener' of Null line : 5 . In my code check the code
1 Vote
4 Réponses
PYTHON LOVERS! IF i take a input from user , then how we write code by which, user input cannot be enter the input blank.
4 Votes
7 Réponses
Python.. output is 5. I cannot figure out how to step through this recursive function in my head and get it. Help?
2 Votes
2 Réponses
What's the best channel for HTML, CSS on YouTube. I cannot remember compeletely HTML codes. Anybody knows channel on YouTube.
2 Votes
2 Réponses
Hello could you please help me? It says it cannot read line 11. But I can't figure it out why...
0 Vote
3 Réponses
How to create expired date? But, expire date cannot input before today
I am really confusing about this issue. User want to inp
3 Votes
5 Réponses
JavaScript is not printing spaces in code playground. Is this a bug or JavaScript cannot print spaces at all?
4 Votes
2 Réponses
when I run the program,it says
project cannot be built until build path errors are resolved
how can I resolve this issue?
0 Vote
8 Réponses
i am trying to create an animation with JS and has a linewith obj.style.left but displays that it cannot read the property style
7 Votes
4 Réponses
Can someone help with Gotham City challenge I tried this with Python it shows test case 3 and 4 cannot be done
0 Vote
3 Réponses
Hi everybody. I am having trouble with something. I cannot know how one page is accessed as the button is clcked
2 Votes
3 Réponses
Aujourd'hui en vedette
Hello World!
0 Votes
Script file names
0 Votes
What to learn🤔
0 Votes
Messages problem
0 Votes