Q&amp;A Discussions

String s; //enter whatever you want in it for(int i =0; i<s.length(); ++i){ System.out.println(s.substring(0,i)); }

7th Oct 2018, 7:04 AM

Vaibhav

doubt java pattern sololearn substring

0 Votes

Please tell me WHY IS IT SQUARE?

8th Mar 2017, 6:45 PM

0000

css doubt html html5 question sololearn square tag

4 Votes

6 Answers

26th Mar 2019, 8:01 AM

Poorva Mahesh Shukla

Google replica issue

css doubt html stuck

1 Vote

What is worng in my code?

30th Apr 2020, 7:34 AM

Dhruv Naidu Alti

doubt error help input output python

0 Votes

4 Answers

24th Jun 2022, 9:58 AM

Surya S

When should we jump to other programming languages,any criteria??

c c++discussion doubt language

0 Votes

How can I create a combat fighting game using c++?

7th May 2020, 2:59 PM

Nikhil Sharma

c++create doubt games help how to

-3 Votes

10 Answers

2nd Sep 2017, 3:29 PM

Deathstalker

What is difference between while , for and if?

c c++code cpython doubt run

0 Votes

Are the courses here (sololearn) like java C++ etc ,Are complete courses Or not?

11th Sep 2021, 6:03 AM

sparkle

doubt help new progress

0 Votes

Don't you think that the user can create new tags, codes and shortcuts like for example <body> cout print develop their own pro

4th Mar 2017, 2:38 AM

Manideep Yadav

a doubt just thank you

1 Vote

What is the function of <= \ >=

19th Sep 2020, 5:53 PM

Karan Mahesha

booleans doubt operators python python3

1 Vote

What is an "ENUM" and what is it for?

8th Jun 2019, 1:11 AM

Uditya Kumar

a^=b?

assignment c++challenge cpp doubt learning operator question quiz

2 Votes

15 Answers

22nd Sep 2017, 2:36 PM

Siraz Naorem

ask c#doubt enums what

-1 Vote

Compilation error message- Lvalue required in C ??? What it actually mean??

4th Mar 2019, 1:18 PM

Thiago Jose

c c++compiler doubt java learn solo

2 Votes

7 Answers

21st Jan 2017, 2:35 PM

Ankish Gupta

Please explain this code

doubt forloops lists python python3 whileloops

3 Votes

c doubt getch()problem programming questian

29th Jan 2018, 4:40 PM

Vinyas Amin

Use of getch(); in c

0 Votes

What is the use of the Ruby languages?

7th Jan 2018, 12:35 PM

ajmal yousuf

challenges doubt regular-expressions ruby

0 Votes

What is the use of the Ruby languages?

5th Oct 2017, 6:18 PM

Ash Krishna

challenges doubt regular-expressions ruby

-1 Vote

Can anybody explain me why I need to delete the pointer of object in this?? this was shown in most of the website I was seeking

5th Oct 2017, 6:18 PM

Ash Krishna

c++class doubt important object pointer

1 Vote

16th May 2022, 3:22 PM

Cyber Eagle

What is Pyscript?

coding doubt html programming python

-1 Vote

What should i Learn after I have leaent HTML ans SQL?

7th May 2022, 12:08 PM

Anas Dharar

doubt help html question sql

0 Votes

"When passing two-dimensional arrays, it is not mandatory to specify the number of rows in the array. However, the number of col

8th Aug 2020, 12:28 PM

Dharmik Bhimani

2d_array arrays c clanguage doubt

0 Votes

26th Apr 2022, 6:56 PM

blueshipswims

Polynomials.

c coding cprogramming doubt help linkedlist linkedlists node pointers sololearn

1 Vote

What is the use use of System.out.write();

24th Sep 2020, 12:27 PM

Manav Grover

doubt it question to use want

0 Votes

Why isn't the for loop being executed even once in this code? Even when k=0

21st Jul 2018, 9:15 AM

Vivek Mishra

c doubt forloop goto help identifier label loop

0 Votes

7 Answers

2nd May 2020, 11:05 AM

Priti Barman

Which game engine to choosr

doubt engine games unity unreal

1 Vote

Why after calling the QuickSort function it doesn't show the sorted array

1st Jun 2020, 5:41 AM

Ashraf Vp

c c++code codeplayground doubt functions questions quicksort self-learning sort

1 Vote

8 Answers

23rd Jan 2021, 3:22 AM

zaya1235

audio password

audio doubt password python speechrecognition wave

0 Votes

30th Jun 2021, 4:17 PM

Sahil Jain

PURE function in Python.

complex doubt function no pure python terms

3 Votes

I found Something while learning html in this app but couldn't understand...

2nd Sep 2017, 2:55 PM

Sampath Kumar

applet doubt html html5 iframe ins map object

5 Votes

I have successfully completed html course. Now, which course should I start next?

1st Jul 2020, 2:39 PM

Prasant

c++course css doubt html java

1 Vote

[check code] : Why does Code 1 prints the characters as it is sent through "scanf" and code 2 doesn't. Please Explain

31st Oct 2017, 8:34 PM

Abhishek Tomar

arrays c characters clang cpp doubt java strings

1 Vote

Is PHP Form Validation supported in online coding platforms such as SoloLearn and Codecademy?...

16th May 2022, 5:42 AM

blueshipswims

code doubt form help html php validation

2 Votes

What is meant by Action listener program in java

8th Jun 2018, 4:12 PM

Siddharth

clear doubt i the to want

0 Votes

Code :- a,b,*c = 1,2,(),[] ,print(*c) output was:- ()[]

30th Oct 2019, 5:37 AM

Srujan

*c doubt identifier python rule variable

0 Votes

I want to become a webdeveloper.? What should i have to learn.? Is this value in future..?

4th Aug 2022, 7:16 PM

Abhinay Singh Bhadouriya

designing devloper doubt future plan web webdesigning webdeveloper website

2 Votes

8 Answers

5th Nov 2017, 11:10 AM

Praveenram Balachandran

Apart from the topics given in C++ module in sololearn, what are the other topics one should know in C++?

c++cpp doubt knowledge learn modules sololearn topics

0 Votes

7 Answers

20th Sep 2017, 5:38 PM

Siraz Naorem

any java, html & css expert available? I need urgent help in customization of my blog at blogger.. please help me😢

blog blogger css doubt expert help html java urgent web

3 Votes

8 Answers

8th Dec 2017, 11:46 AM

Akshay Jain

Explain how we get 2 for below c++ program int x=0; for(int z=0;z<5;z++){if((z>2)&&(++x>2)){x+=7;}} cout<<x;

a doubt had i java major question seeing this when

4 Votes

Confused about difference between Void and Int functions?

21st Jun 2017, 10:47 AM

siva leela

c++cpp cs doubt java question

0 Votes

How String in java is immutable?

12th Nov 2017, 1:45 AM

Jonathan Álex

c++class code doubt immutable java mutable string

0 Votes

Can u tell how to make this pattern program???in java

28th Oct 2020, 6:53 AM

Abhishek Dimri

doubt java program question sololearn

1 Vote

Why can't I pre define symbols +, -, *, / as string and make use of them???? Can someone please help....

1st Mar 2017, 12:13 PM

0000

c#calci calculator doubt help problem question

1 Vote

Call function when input is cleared.

7th Mar 2020, 1:16 PM

Addy

css css3 doubt functions html html5 input javascript js

1 Vote

4 Answers

27th Jul 2020, 10:17 AM

GOLLAKOTI VENKATA SAI SIVA MANI CHANDU

Can anyone please explain me the concept of functions as arguments in python?

arguement arguements code doubt function python query sollolearn

0 Votes

[Solved]Can we replace the "main" method in Java to some other name like "hello"?

2nd Jun 2020, 3:32 PM

Sundharesan M

classes conventions doubt java jvm main method question solved

-1 Vote

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

4th Dec 2021, 2:33 PM

ltsRoy

arrays c c_lang characters cpp doubt for_loop loops pointers strings

1 Vote

4 Answers

16th May 2022, 6:16 AM

blueshipswims

Any way to make this code faster? (C++)

bhaskara c++coding doubt function math optimize pls pls-help question

2 Votes

some people have 1000 or very much XPs in a particular course. Is the XP is divided between courses ?? you can see it on your "l

2nd Oct 2019, 2:38 PM

Drodrigues

doubt help html mods python question xp

0 Votes

How will you explain Static and Auto data types to a layman?

26th Jun 2020, 7:34 AM

Kishlay

auto c c++datatypes doubt explain layman static

0 Votes