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What is the logic behind string comparisons, why ("H">"c") is False and ("H">"C") is True? How does the case sensitivity works?
booleans
python
1 Voto
2 Risposte
19th Apr 2017, 8:27 AM
Jeffrey Wong
Why are there different outputs when I change the order in the Code of different ways of incrementing by 1 ?
java
1 Voto
2 Risposte
20th Dec 2016, 10:37 AM
eternallatesummer
What happens in the coding where we write total+=number and why we write num and number which is same i guess.
c++
loops
1 Voto
2 Risposte
4th Apr 2017, 6:44 PM
Anurag Janghala
C#.net datatype
c#.net
datatype
floating
is
not
point
supporting
unsigned
why
0 Voti
1 Risposta
16th Aug 2018, 1:46 PM
mupparaju lakshmikumarimupparaju
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
javatoc
jni
0 Voti
2 Risposte
22nd Oct 2021, 3:10 PM
Pratik Kumbhar
Why there is a problem while displaying image in GUI called from another GUI in python tkinter???
#python3#tkinter
0 Voti
1 Risposta
2nd Feb 2020, 7:32 AM
Prathamesh Ramane
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?
na
0 Voti
3 Risposte
11th Jun 2020, 9:47 AM
Steve Dagada
Suppose we are using int main() and after that in the last of the program why we are writing that return o;
c++
1 Voto
2 Risposte
14th Dec 2016, 3:12 PM
chandraprakash
What does the DOCTYPE declaration do? Why should I do it? & is it important? plz, Answer or at least up vote...
html
1 Voto
2 Risposte
5th Sep 2016, 1:56 PM
TAREQ AZAD
Why we use php for creating forms mainly for webpages?Is there is any alternative language to fill that plot of creating forms
alternative
php
1 Voto
2 Risposte
8th Dec 2017, 8:28 PM
Yash Singh
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}?
lists
python
0 Voti
2 Risposte
20th May 2017, 3:05 PM
sai charan tej
Is . h and . cpp files are same? If not why they have used in this page?
c++
destructors
0 Voti
2 Risposte
9th Dec 2016, 8:38 AM
Satish Mhetre
Why doesn't constructors in java don't have a return type? not even void? The are functions too right?
constructors
java
0 Voti
2 Risposte
3rd Oct 2017, 10:13 AM
Supriyo Paul
Why we use method overriding and method overloading in there any such use of them can anyone explain
java
polymorphism
0 Voti
2 Risposte
2nd Jul 2017, 5:31 PM
Jayram
The address of a variable can be directly accessed by Ampersand....Then why do we use pointers isn't useless....
ampersand
c++
pointers
0 Voti
1 Risposta
15th Dec 2018, 12:20 PM
Aamir Mehmood
Why we use same name of instance variable as the argument name( of initialize method) followed by @
classes
ruby
0 Voti
2 Risposte
2nd Dec 2016, 12:57 PM
abhishek sharma
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
python
2 Voti
2 Risposte
9th Jan 2017, 5:16 PM
chaurasiya abhimanyu harilal
Is it compulsory to use only P while creating tags <p> if yes . Why can't any other letter if no whats the difference ...
tags
0 Voti
2 Risposte
6th Sep 2019, 7:17 AM
Manem Yaswant
Why this shows no output just by replacing x =name instead of name = x in this code ?
c++
coding
sololearn
0 Voti
1 Risposta
23rd Jul 2019, 5:31 AM
Rahul Singhania
In import numpy as np why do we use only np? Can't we put anything else apart from np?
data
0 Voti
1 Risposta
28th May 2020, 4:03 PM
Shravya Nadig
Why do lessons sometimes say I got the right answer and then have me do it again? (Android 8.1.2)
sololearn
0 Voti
2 Risposte
20th Jan 2018, 2:20 PM
Carter E
Why do we have to use a single and multi- line comment when we can just use multi line?
c++
comments
0 Voti
2 Risposte
13th Aug 2016, 10:24 AM
Atule Samuel
Why when i am going to run my code the link that i have just written not working ??
html
links
-1 Voto
3 Risposte
3rd Jul 2017, 4:26 PM
Martin Boles
In Code Playground,I saw people coding in Web. Why are there separate codes for HTML,CSS,JS. Can't we write it in a single code?
css
html
javascript
0 Voti
3 Risposte
6th Jan 2018, 7:52 PM
Bhanu Prakash
Can you explain me, why does it always output true? I would like to know if appointed substring is present in original string.
c++
0 Voti
1 Risposta
13th Sep 2021, 5:07 AM
TeaserCode
Why does the width attribute brings the horizontal line in the middle and not from the left? Should we add an alignment attribut
attributes
html
0 Voti
3 Risposte
18th Aug 2017, 3:35 PM
Job.A
Below code returns an error b does not name a type. why ?? Is variable assignment not allowed in classes like general assignment
c++
classes
constants
1 Voto
2 Risposte
7th Oct 2016, 12:31 AM
sai chaitanya nandipati
Why do we use far in float celcius=37,far; in 4 th line? What is the purpose of far in that 4th line. Please explain this far
c
0 Voti
2 Risposte
5th Jan 2022, 12:11 PM
Nilambar Karmakar
Why do we use categorical cross entropy for classification of handwritten images into the numbers, instead of binary cross entro
deeplearning
keras
neuralnetworks
0 Voti
1 Risposta
9th Feb 2020, 2:05 PM
Punyasloka Sahoo
Guys ! Why do we need UX design in Web Development and how to create a requirement search tree ?
responsive
ux
web
0 Voti
1 Risposta
12th Jul 2022, 12:00 PM
Ermias Kebede
why use % two times in if statement after top 10 when result show one time %, what is the mean of second percentage?
c
0 Voti
1 Risposta
13th Mar 2020, 7:32 PM
Jitendra Kumar
I Given %2.4f to variable a and %6.2f to variable b but output coming more digts than %w before decimal , why it's happening
float
formatting
input
0 Voti
2 Risposte
30th Aug 2019, 2:46 PM
Mr. Nothing
I am unsure why my program behaves how it does when I input words where it should receive numbers. I'm using try and except.
except
main
python3
try
0 Voti
2 Risposte
8th May 2019, 5:11 AM
Elijah
Why are tests 3,4,5 hidden? This code works on 1 and 2 but not on 3,4,5 and I'm unable to submit it because of that. Any ideas?
basics
code
python
0 Voti
2 Risposte
6th Nov 2022, 1:18 PM
Stefan Ambrose
In C++, why we can not create object of abstract class and we can just create only pointer/referance of abstract class?
a
0 Voti
1 Risposta
11th Jul 2019, 12:44 AM
Amit chavare
blog schedule
colomn
does
lines
my
not
on
schedule
show
the
why
0 Voti
1 Risposta
9th Jan 2020, 1:56 PM
Yahaira Hernandez
Why there is 1/19 in section Paragraph? How can I finish 19/19? I was clicking button Continue and it just skip to the next :(
html
0 Voti
2 Risposte
22nd May 2018, 4:20 PM
Mateusz
Is python good for selenium ? I heard like java is better than python for execution. Can someone tell which is better and why ?
java
python3
0 Voti
2 Risposte
17th Mar 2019, 1:07 PM
N Rajesh
what is the use of dictionary in python..... because there are lists also available in python so why don't we use them instead of dictionary.
dictionaries
python
2 Voti
2 Risposte
31st Jul 2016, 10:39 AM
Aakash Sharma
X value is constant 5 , and z denote the address of x value . But we don't know address of x value.it show error output why ?
cpp
solo
0 Voti
2 Risposte
16th Sep 2020, 12:13 PM
Suparna Podder
Why does my result for Conditionals and Loops Break and Continue question 2 say it's wrong but, all the answers are correct?,
2
and
break
c#
conditionals
continue
loops
question
0 Voti
1 Risposta
17th Sep 2018, 6:42 PM
JOYCE YUN
What is the difference b/w interface and abstract class? We can do all the things in abstract class itself but why interface?
abstract-classes
interface
java
0 Voti
1 Risposta
16th Mar 2019, 12:57 PM
Soma Venkata Sai Krishna
Why is there structure in the same structure ? What does that mean ? And can you give me an Example? Thanks..
c
c++
code
1 Voto
2 Risposte
24th Jan 2018, 4:58 PM
Youssif Almassri
Why my code gives error when i replace these hex number by q ? If address of a pointer is in hex then it should work.
c++
pointers
1 Voto
1 Risposta
24th May 2020, 8:43 PM
Shubham Maurya
Why I use \n in python to make 2 lines when I can use print many times to make 2 lines too ??
c
css
php
python
python3
0 Voti
3 Risposte
1st Dec 2017, 10:18 AM
Omar
print(int(input("Enter a number: ")) + float (input("Enter another number: "))) why this code gives float type output?
python
type-conversion
0 Voti
1 Risposta
10th Jun 2018, 1:59 PM
Sathya R
Why cant we use strings in user defined function ...how to use string in user defined function?????
c++
strings
-1 Voto
1 Risposta
4th Jan 2019, 11:28 AM
Aamir Mehmood
Content "" does it mean in CSS3? Why it is used to make a triangle border? Thanks
border
css
css3
triangle
0 Voti
1 Risposta
28th Nov 2016, 8:05 AM
Infoore
Why Sololearn does not teach C++ 11/14 apart in a way to see to compare them ?
apps
c++
1 Voto
1 Risposta
8th Sep 2017, 5:28 PM
Garry
Is there an option to explain the reason why you're reporting a particular question after a challenge.
c++
challenge
java
php
reasons
reports
-3 Voti
1 Risposta
2nd Jul 2017, 12:31 PM
Richard Opoku
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