F&A Diskussionen

What does it maen by input(": ") ? I know what it is but i dont know why it should look like this!

17th Jan 2020, 9:36 PM

Ambitious Coder

calculator

0 Stimmen

multidimensional array / why does it says "array doesnt have that many of arrays inside it" even though it is 0 index based

16th Apr 2020, 6:46 PM

Hosna Hashemi

c c#csharp

1 Stimme

Why is the value of n (when printing n1:{n} after the r(lst,n-1) becomes 2 and not 1?what happens when the function do return?

6th Jun 2022, 3:58 AM

Mohammad _io_

code python resursion

0 Stimmen

Why is it so easy to learn Python but when it comes to writing code you encounter errors you didn't even know existed.

9th Jul 2023, 1:40 PM

Azalea

python3

0 Stimmen

Why doesn't the value of this code come out as False? How can I get the value of this code to come out as False?

12th Aug 2019, 9:42 AM

Lewis Muriungi

python

1 Stimme

hey guys I am in method and i didn't interstade why we write static when our method has no return but when we our method have a

11th Jul 2024, 12:08 PM

Hawon

0 Stimmen

In the code I've used array splice method, why it only removes one item ? As I've used -1 as index and 3 as remove count. Help!

9th Nov 2020, 8:01 PM

El mhadji Mohamed abdelhak

arrays javascript splice

1 Stimme

What I don't understand is that, it is being said that java doesn't support pointers as c++ for more security, so why is "this pointers" are used???

22nd Jan 2020, 12:32 PM

Argon

java

0 Stimmen

4 Antworten

28th Jul 2016, 4:37 PM

kartik shouche

i dont know why am unable to complete my course on ML it showing payment method and i guess it free?

data

0 Stimmen

Why i can't enter 4numbers and they came out as 4 numbers since its 2d array, Im trying to do the same code i did in c++ in java

21st Nov 2024, 4:32 PM

Gbolahan Osunsusi

2d arrays c++java

0 Stimmen

we could have print the value of age variable directly in the class, then why use this.age ?

12th Nov 2019, 10:45 PM

Doaa Ahmed

c#this

0 Stimmen

Can somebody talk about game maker languge. Lol this app pretty much ghosts it.. i understand why though

4th May 2016, 6:57 AM

Umesh Kuniyal

help

0 Stimmen

Why my sign up box is disappear after click on sign up (Click on sign up and then click on the sign up button to watch)

20th Aug 2018, 12:31 AM

BMiser

html5 javascript

0 Stimmen

Why keep the notation of starting at 0 for counting? It's obviously confusing when learning, and I'm guessing that it leads to all kinds of mistakes?

19th Oct 2022, 7:08 AM

Pooja Sahoo

0 all and at confusing for guessing i'm it it's keep kinds leads learning,notation obviously of python starting that the when why yo

1 Stimme

Can anyone tell my why this code does not work to solve the end of chapter python regex problem? Thanks. I apologize if I have p

1st Dec 2016, 7:38 AM

Abbass

bugs code problem python regex

0 Stimmen

in sololearn i cant challenge someone with weapon of sql why ? there is any reason or it is happen only with me? plz tell me

11th Mar 2022, 12:30 AM

Chris

challenges scripting-languages sql

1 Stimme

Everything seems perfect and thats why i wonder if this application can really make me a java master. I mean, is it full course?

10th Sep 2017, 11:01 AM

Swati Jain

java sololearn

-1 Stimme

4 Antworten

27th Jan 2017, 9:21 AM

Виктор Младенов

Why i have to write this class MyClass { public static void main(String[ ] args) in a java program

@java

-1 Stimme

Why am i getting the output like this "lvalue required as decrement operand" when i run this program ?

19th Apr 2022, 10:29 AM

new use

operands operator-overloading operator-precedence operators

0 Stimmen

hello everyone, I need your advice: why does rounding work incorrectly when entering "3", what needs to be corrected?

1st Nov 2019, 12:41 PM

Sk. Ahmed Razha Khan

0 Stimmen

#include <iostream> #include <cstdlib> using namespace std; int main() { cout << rand(); } output = 41 Why this code code gi

6th Dec 2022, 3:43 PM

Олег Макаров

c++rand

0 Stimmen

why here the challenging option are JavaScript and c++?? I would like to challenge html, css and php.. i need badly those.

30th Apr 2017, 9:56 AM

urvi

c++challenge css html javascript php

0 Stimmen

why the object pass to the friend function in declaration is different from invocation? (declaration with & and calling without & operator)

2nd Dec 2016, 7:40 PM

Siam Al Mahmud

c++classes friend

0 Stimmen

Guys have you done a game on java? I just can't see the output I can't play the game but why??? Please answer if you know why

23rd Jun 2016, 10:37 PM

Hosein Aghajani

code game java

2 Stimmen

could anyone tell why if i enter any digit lower than 5 output cones to be 5 but if more than 5 say 6 ans is 30 y so?

14th Jun 2020, 12:32 PM

Ailana

c++loops

1 Stimme

Hi guys, i hope you can help me to fix this problem. Why * inside forloop doesn't show on p tag. Sorry for my English.

6th Apr 2018, 11:31 AM

Sahil Chauhan

html javascript website

0 Stimmen

Why do we need linear and binary search in python if I can work with say if 120 in range(0,1000):\nprint('f')\nelse:\npass

24th Jul 2022, 6:58 AM

Wage

beginner python

0 Stimmen

Why this code of method overloading not working? The only addition I made was one more to original one as described in dunders

17th May 2020, 1:52 PM

swaggy tarret

dunder python3

0 Stimmen

21st Aug 2018, 7:12 AM

fnwttui

C#.net datatype

c#.net datatype floating is not point supporting unsigned why

0 Stimmen

To override method , is it compulsory to use override keyword? why we can't override method just like in c++ using same name with different definition.

16th Aug 2018, 1:46 PM

mupparaju lakshmikumarimupparaju

c#polymorphism

1 Stimme

Does anyone know why certain code does not work in Code Playground but works OK on the IDLE suggested by SOLOLEARN?

9th Sep 2018, 5:29 PM

shiwangee pathak

error idle python

1 Stimme

What is the logic behind string comparisons, why ("H">"c") is False and ("H">"C") is True? How does the case sensitivity works?

27th Jan 2018, 8:41 PM

Mark Spencer

booleans python

1 Stimme

Why are there different outputs when I change the order in the Code of different ways of incrementing by 1 ?

19th Apr 2017, 8:27 AM

Jeffrey Wong

java

1 Stimme

What happens in the coding where we write total+=number and why we write num and number which is same i guess.

20th Dec 2016, 10:37 AM

eternallatesummer

c++loops

1 Stimme

why it is showing "fatal error: jni.h: No such file or directory"? I have this jni.h at exact same location that i mentioned in

4th Apr 2017, 6:44 PM

Anurag Janghala

javatoc jni

0 Stimmen

Why there is a problem while displaying image in GUI called from another GUI in python tkinter???

22nd Oct 2021, 3:10 PM

Pratik Kumbhar

#python3#tkinter

0 Stimmen

Why is solelearn app saying cant find my file I can open it in my code bit. Only when I try to run it then says cant find file?

2nd Feb 2020, 7:32 AM

Prathamesh Ramane

0 Stimmen

Suppose we are using int main() and after that in the last of the program why we are writing that return o;

11th Jun 2020, 9:47 AM

Steve Dagada

c++

1 Stimme

What does the DOCTYPE declaration do? Why should I do it? & is it important? plz, Answer or at least up vote...

14th Dec 2016, 3:12 PM

chandraprakash

html

1 Stimme

Why we use php for creating forms mainly for webpages?Is there is any alternative language to fill that plot of creating forms

5th Sep 2016, 1:56 PM

TAREQ AZAD

alternative php

1 Stimme

nums=[123] print(nums *3) gives o/p as {123123123} but print(nums[2]*3) gives o/p as {9} why don't op as {333}?

8th Dec 2017, 8:28 PM

Yash Singh

lists python

0 Stimmen

Is . h and . cpp files are same? If not why they have used in this page?

20th May 2017, 3:05 PM

sai charan tej

c++destructors

0 Stimmen

Why doesn't constructors in java don't have a return type? not even void? The are functions too right?

9th Dec 2016, 8:38 AM

Satish Mhetre

constructors java

0 Stimmen

Why we use method overriding and method overloading in there any such use of them can anyone explain

3rd Oct 2017, 10:13 AM

Supriyo Paul

java polymorphism

0 Stimmen

The address of a variable can be directly accessed by Ampersand....Then why do we use pointers isn't useless....

2nd Jul 2017, 5:31 PM

Jayram

ampersand c++pointers

0 Stimmen

Why we use same name of instance variable as the argument name( of initialize method) followed by @

15th Dec 2018, 12:20 PM

Aamir Mehmood

classes ruby

0 Stimmen

What does self do? what is it meant to be? and is it mandatory? What does the __init__ method do? why is it necessary? etc

2nd Dec 2016, 12:57 PM

abhishek sharma

python

2 Stimmen