Q&A Discussies

0 Stemmen

why this code is giving me 41 as output only if this function is generating random numbers than it should give me different values every time I run it .

26th Jun 2016, 8:03 PM

Alex H.

c++rand

2 Stemmen

why in a normal list the brackets do not appear, and an empty list if they appear? for example: list_1 = ["1,2,3"] empty_list = [] print (list_1) 123 print (empty_list) [] sorry for my English 😩

11th Oct 2016, 7:04 AM

Samarth Madan

lists python

-1 Stem

4 Antwoorden

11th Aug 2016, 3:05 PM

Moto Brian Ortiz

If we write int a=42 and then write a do...while loop,we write cout..... and then a++ why doesn't it change the value of a

c++loops

0 Stemmen

Why following code is unable to upload a vide ?it only upload images i want it would work for uploading video too ,What,s error?

8th Mar 2017, 8:21 PM

Nour Ghazal

html php

0 Stemmen

Could you explain why the output of the code is nothing. My understanding is that "A a()" calls the "A(int a)..." function but f

7th Dec 2017, 6:52 PM

hassan

c++classes

1 Stem

Why do I get "Update course" option in my Android app of solo learn? Everytime I update my course, it won't make any change.

26th Aug 2017, 12:53 AM

Aurora

sololearn

1 Stem

Why the loop starts from 14 in my compiler? But when I run it in SoloLearn compiler , it starts from 0. Thank you.

26th Aug 2017, 8:31 PM

Uly Miguel Marmolejos Ruiz

0 Stemmen

why not int[ ] a = new int[10]; int k=0; for (; k < 10; k++) { a[k] = k*2; } foreach (k in a) { Console.WriteLine(k); }

5th Jan 2018, 2:41 AM

Boran

arrays c#

0 Stemmen

why it is not show any output when run this program #include<iostream> using namespace std; int main(){ for(;;){ int i=0; if(i==1){ cout<<i; break; } ++i; }}

6th Jul 2016, 6:11 AM

Abdelrahman

0 Stemmen

Why is it that when I am trying a simple text output in html , I don't even have to tag the text with <p><\p> ?

2nd Sep 2016, 6:28 PM

Lekhraj Singh

comments headings html

0 Stemmen

Can someone explain me how classes work in c++ ? I don't know why would i want to use them and how do they work :3

13th Feb 2017, 11:59 PM

yasser

c++classes

0 Stemmen

When I declared a variable like public int n the compiler is showing an error stating that it is the illegal start of an expression. Why is that. I am using JDK 1.8. Please help

13th Nov 2016, 9:14 AM

Megmind

access-modifiers java

0 Stemmen

I hve a prblm..during the module quizes mny times i know the ri8 ans but when i enter the ans it shows wrong ans Why is it so ?

6th Aug 2016, 9:46 AM

Learner

damm irritating query quizes

0 Stemmen

Why in HTML there is 2 types of tag <b> and <strong> whether there meaning is same that is to bold the word or sentence?

26th May 2017, 7:50 PM

Itz_me_sandy_

html

0 Stemmen

Why does my if else statement not execute with addition if the user input is [c = +, a = 2 & b = 3]

17th Mar 2018, 1:28 PM

Aniket Shaw

#beginner #ifelse #java

0 Stemmen

I am a foreigner. Why does not provide the function of selecting word in the text, so I can copy it and query the translation?

29th Dec 2017, 1:51 AM

Nibras Alam

select translation

0 Stemmen

NEED HELP FROM EXPERT! Please put comment on every line of my code. Like why we use this code in this line. For my report.Please

18th Dec 2016, 1:01 AM

bbd

beginner c++cin comments cout cpp iostream java

-4 Stemmen

I don't get char pointer, which stores something other than char... Isn't c++ type safe language? Why can I store a string in a char?

22nd May 2017, 11:52 AM

eiro Jan

c++pointers

0 Stemmen

can anyone tell me why when I put 0 the programm work when I put negatif number or greater than 10000 there is nothing happen

6th Apr 2016, 11:42 AM

Yuri Predborski

python3

0 Stemmen

question about the output: if shout is placed before the last print statement, why does it give you a "no output" if you run the

24th Sep 2018, 5:33 AM

mbappe08

"""a an def exclamation mark print shout(word):with word

-1 Stem

Why my unordered one list item display in top in my browser instead bottom? I code my unordered list in bottom in my code HTML.

14th Jun 2020, 11:23 AM

H Liu

bottom display instead item.list top

-1 Stem

Why when I run the build does the output screen not stay open? At the same time it ends with a message "ConsoleApp1.exe has exi

11th Mar 2021, 1:34 PM

Malick Diagne

c#methods multiple perameters visualstudio

-1 Stem

guys, evethough i learned so many about javascript, i odnt know why when i get to any app's page source i cant read its codes!

5th Jul 2017, 11:30 PM

James Lanier

javascript

0 Stemmen

why am isn't the text size changing here if I use " font-size:10px" .. it works on PC... but it's not working here in this app .. why? is it due to compiler difference?

29th Sep 2017, 4:24 AM

f.rubaui3i

font html increase size text

1 Stem

What ever I learned here most of the things are not working in turbo c++ ? i.e . instead of iostrem I have to write iostream. h . why is this so?? also it is not accepting this- using namespace std; . and also not accepting return 0; . Please help me iam really confused. Thanks :)

3rd Oct 2016, 4:19 PM

siva ram

why you did I loose a challenge if did not make a single mistake? this is ridiculous. either it should be a draw or let a challenger response to the 6th question. If this is going to work like this I am not going to challenge anybody.

0 Stemmen

5 Antwoorden

16th Sep 2016, 2:19 PM

Rishikesh Joshi

javascript playground

0 Stemmen

4 Antwoorden

17th Sep 2016, 7:49 AM

K T

Why is the base class constructor called before the derived class and the derived class destructor called before based class destructor? Please I need brief explanation on this.

c++inheritance

0 Stemmen

In the continue Loop - i = 0 while True: i = i +1 if i == 2: print("Skipping 2") continue if i == 5: print("Breaking") break print(i) print("Finished") It shows the output being "1 Skipping 2 3 4 Breaking Finished" Why are the last three lines not "Breaking 5 Finished" Where it shows print(i) after break?

6th Aug 2016, 3:10 PM

shola ola ibrahim

loops python

1 Stem

can someone please explain why this code keeps telling me complication error instead of outputting the value of speed. #include <iostream> using namespace std; class myClass { public: void setcarspeed (int a){ speed=a; } int getcarspeed(){ return speed; } private: int speed; }; int main() { myClass obj; obj.setcarspeed (40); cout<<obj.getcarspeed ; return 0; }

3rd Oct 2016, 11:10 PM

Adam Atkinson

2 Stemmen

I thought that a canvas was just a container for graphics made using JavaScript. So why is it that were able to draw those filled squares, when the canvas is empty?

23rd Dec 2016, 11:10 AM

Cody Arthur

canvas html html5

0 Stemmen

Please why is it not running in the solo play ground?.....but it runs in python 2 and 3 on my system but not here.....am a novic

29th Sep 2016, 3:43 AM

Tenzin Kalden

python

1 Stem

Why am I not able to execute the if condition in this program? My output is just Enter your age to get maximum heart rate 60

27th Aug 2017, 7:24 AM

AYODELE S. ADEBAYO

input java

0 Stemmen

Why output is 60 if i won't to divide the root on 10? I won't to divide any numbers while it isn't 1. How can i do it?

3rd Sep 2016, 5:27 PM

Dheeraj k

c++loops variables

0 Stemmen

I would value an advice on the while loop. When i am in the loop i=i+1 i=1 while i<=0 i can't make up why 1 appears on screen?

14th Nov 2018, 8:17 PM

Igor The Golden Fish

loops python

0 Stemmen

public static void main (string[ ] args) i have understood little bit that public means for whole method. static? void? main is a method which creates a string array named args. why the name args? please explain and correct if i am wrong?

19th Aug 2016, 3:11 PM

Τηλέμαχος Στικούδης

java

0 Stemmen

In this code if I dont define "f" in the if else stat then the output comes out wrong. Why is it imp to define it in the stats??

16th Aug 2016, 2:52 PM

rajat kumar raicha

else If

0 Stemmen

is the javascript used for server side same as that of client side javascript?? i mean is syntax exactly same. i want to know difference. there must be some. i know node.js is used in backend and jquery,angular in front end, but overall they r javascript so why should it matter???. thanks in advance

13th Sep 2016, 11:01 PM

Sarvagya

javascript

2 Stemmen

public class Program { public static void main(String[] args) { int[ ][ ] myArr = { {1, 2, 3}, {4}, {5, 6, 7} }; myArr[0][2] = 42; int x = myArr[1][1]; System.out.println(x); } } why it does not give any garbage value as output?

18th Dec 2016, 5:36 PM

manish rawat

arrays java

-1 Stem

4 Antwoorden

9th Nov 2016, 6:21 PM

Sandesh

Why this code runs?: nums = [4, 5, 6] msg = "Numbers: {} {}". format(nums[0], nums[1], nums[2]) print(msg) Numbers:4, 5. Byt the code: nums = [4, 5, 6] msg = "Numbers: {} {} {} {}". format(nums[0], nums[1], nums[2]) print(msg) leading to error? IndexError: tuple index our of range

python strings

1 Stem

Why c,cpp and java must told what program include ex. c and cpp told by '#include' java told by 'import'? while javascript not to told what web include with

16th Oct 2016, 10:28 PM

питер огнекрылый

c c++java javascript website

0 Stemmen

why we need to use single line comments the slashes tell the coiled to ignore everything that following until the end of line if we will not use // print " hello world " it will not changes statement

21st Aug 2016, 8:16 AM

JS of MC(not C++ || java)

c++comments

0 Stemmen

Why do i get index is out of range if it is in a separate if statement and how do i fix this? For example when it says if len(c)

22nd Sep 2016, 9:44 AM

aakash purohit

help programming python

0 Stemmen

While prototyping friend functions in a class is it necessary to always pass the address of the object as parameter?If so why is it that we have to pass address as parameter..In programs involving compositions we never used addresses...Why is the need for address of the objects while using friend?

17th Oct 2018, 5:30 AM

NicoChis

c++classes friend functions

4 Stemmen

I don't get when one would use magic methods. if I use them when i need to do complex operations, why would I not use a function that I define? thanks

24th Jul 2016, 6:16 PM

Aditya Pai

magic-methods python

0 Stemmen

I have many doupt about python...... why going for python? what is the use of python? what is the different between python to other language? which is python IDE name pls?? I want to answer technically frdssss..

10th Aug 2016, 1:27 PM

Davide Polizzi

basics python

-1 Stem

so i heard tht applets have lost its popularity and it has no use of learning so my question is shd i learn or not? and why the hell we shd work along with html while creating an applet rather than just in java????

24th Sep 2016, 10:46 PM

Ramanathan Raveendran

c++java

0 Stemmen

in the LIMIT section it is said that the offset starts from 0 then why in this BETWEEN section rhe example is not like that...we are declaring from 3 to 7 and it is displaying from 3-7...as per said in the LIMIT it must have started from 4...can anyone explain this please???

16th Jul 2016, 9:32 AM

Suhail Pappu

sql

2 Stemmen

Why is it that this app is no longer explanatory as it used to be? In css3 tutorials, the entire css input is not shown, just the new line of code. And the corresponding html code isn't shown and explained as it used to be in html and css tutorials.

8th Aug 2016, 12:47 AM

Gadagoju Prudhvi

box-shadow css css3

0 Stemmen

why when i use editor for that code didn't print the result automatically and i shoud insert print function first the code is: float (insert('enter a number: ')) + float (insert(' enter another number: ')) when i use this code in IDLE the program prints the result automatically

20th Jun 2016, 11:33 AM

Lawrence Ainetor

editor python

0 Stemmen