Q&A Discussions

Why should I use a nested class instead of create a separate One?

21st Apr 2016, 10:18 AM

Angela Lin

c#classes

0 Votes

Why the difference between canvas and svg?

21st Apr 2016, 10:11 AM

andrea zube

canvas html html5 svg

3 Votes

Why function name can't start with number?

20th Apr 2016, 8:49 AM

Walter Nicoletti Jr

functions php

1 Vote

If I add 20+10a it shows 30 but for 20+a10 it shows 20 o.O why is this?

16th Apr 2016, 12:07 PM

Shahid Saddique

data-types php

1 Vote

Can't understand why we need finally when we can just put this code after try-catch?

16th Apr 2016, 5:12 AM

Mohiuddin Sumon

c#exceptions

2 Votes

Why do I have to write "self" in each method definition, if later I won't use any argument?

14th Apr 2016, 10:20 PM

Artem Leshchev

classes python

2 Votes

Why does the NUMBER variable still change although i declared it as final?

14th Apr 2016, 4:40 PM

Andrés Rodríguez

final java

0 Votes

Hi! I'm a bit confused. So why to use abstract despite of virtual?

14th Apr 2016, 11:59 AM

Pavitran

abstract-classes c#

1 Vote

Why this code "False==False or True" is true but "False==(True or False) is not true?

14th Apr 2016, 6:09 AM

Andrei David

operator-precedence python

12 Votes

13 Answers

13th Apr 2016, 9:41 PM

Real Coder

Why we use target?

html links

1 Vote

Why is Abstract class useful?

11th Apr 2016, 10:10 AM

BULAND JANGRA

abstract-classes c++

0 Votes

Why View don't need space to store in a database?

9th Apr 2016, 5:53 PM

Abhishek Jain

sql views

1 Vote

Are these two statements equivalent? Why or why not?

9th Apr 2016, 1:09 PM

Qiao Zhang

sql

0 Votes

Who can answer me on a question? "Why arrays start with '0'?" By technical meaning. Why computer does it?

7th Apr 2016, 7:57 PM

CoJo

arrays c++

2 Votes

Why write <li> after <ol>?

7th Apr 2016, 4:00 PM

Terekhov Dmitry

html lists

0 Votes

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?

6th Apr 2016, 5:43 PM

Maged Elmasry

c++pointers

0 Votes

1 Answer

6th Apr 2016, 11:42 AM

Yuri Predborski

What would be an example of why you would use an embedded vs external CSS?

css

0 Votes

I just don't get why lambdas are called anonymous functions. could somebody explain?

6th Apr 2016, 1:03 AM

J Bairduwpogy

lambdas python

1 Vote

Why is setInterval called "method"? I see it's called like a function — does not have an object and dot before it.

3rd Apr 2016, 3:02 PM

Selva Kannan

date javascript

0 Votes

display: none;... Why not just use <! - - notes? - - - > is there a reason or special thing?

3rd Apr 2016, 1:51 PM

exetwezz

css display

-1 Vote

I still don't get why we use triple quotations. Also what's doc string?

3rd Apr 2016, 12:12 AM

Edwin A. Parada Munguia

python strings

0 Votes

Wait so why is POST safer than GET?

28th Mar 2016, 9:20 PM

B.T

forms php

6 Votes

10 Answers

28th Mar 2016, 2:09 AM

Donovan

Why would you bother to code background-repeat no repeat, it won't repeat of you don't put it in anyway, surely?!?!

background css

1 Vote

Why do we need to use view?

23rd Mar 2016, 6:28 PM

Menelik Simpson

sql views

1 Vote

Why would you use class in Html to define italics when you could just use <I> ?

23rd Mar 2016, 5:53 PM

Mohammed Alghazzawi

css font

0 Votes

22nd Mar 2016, 11:52 AM

Menelik Simpson

why we use AS?

sql

0 Votes

Why do we have to return always 0 in case the return type of the main() is int. What will happen if we return some integer other than 0?

21st Mar 2016, 10:07 AM

naman gupta

c++functions

1 Vote

5 Answers

16th Mar 2016, 9:29 PM

Rahul Singh

Can anybody tell me why the below doesn't work in the code playground part of this app please?

functions javascript

2 Votes

7 Answers

16th Mar 2016, 1:12 PM

Malachi Jones

Can you explain the setter? I know it's supposed to "set", but I don't know what each piece means and why is it in the class?

classes java

1 Vote

Why I must implement hashCode() when overriding equals ()?

12th Mar 2016, 4:37 PM

also trebeck

equals java

0 Votes

After printing "Breaking" why doesn't it print the value of (i) even though in the code it is written print(i)?

10th Mar 2016, 3:09 PM

🇧🇷 Caio Amaral

loops python

0 Votes

= is used to present variable.'Equal to' by '===' Why is 'equal to' presented with only two '=='?

2nd Mar 2016, 2:47 AM

Dave

else-statements if-statements javascript

1 Vote

7 Answers

29th Feb 2016, 5:40 PM

Toni

Why is it so that even without using return 0, the program runs? What's the actual use of return 0

c++

0 Votes

Why we use SET instead of using array?? , it says both are same but i feel set a little bit uncomfortable? is there any idea of using SET? I want to know some cool fact about using set?

28th Feb 2016, 5:19 AM

Ritwik Madhukalya

sets swift

8 Votes

Why cant i run this code in playground?

25th Feb 2016, 11:38 AM

Madhab Dhakal

if-statements python

1 Vote

Why should one choose python instead of java or c++?

21st Feb 2016, 6:04 AM

Prabin Parajuli

c++java python

0 Votes

Why the print statements after return won't execute plz explain

20th Feb 2016, 4:22 PM

Mohammadamin Beiruti

functions python

0 Votes

Why do we use overriding in our code?

19th Feb 2016, 6:46 PM

Ajay Pranav

java polymorphism

0 Votes

Like why do we need to construct a constructor pls can anyone help

19th Feb 2016, 10:12 AM

Mohammed Alghazzawi

javascript objects

0 Votes

1 Answer

17th Feb 2016, 10:31 AM

chandrika kadam

Why we should use the &obj specification for declaration of the operator function?let's use the myObj*

c++operator-overloading

0 Votes

1 Answer

16th Feb 2016, 12:53 PM

Emanuel Lozitsky

Is there any major reason why we should use LİMİT when retrieving records?

sql

1 Vote

What's the true purpose of generators? Why not use lists and range function instead?

15th Feb 2016, 8:49 PM

Kevin Kiambe

generators python

0 Votes

Why is it necessary to close the file?

15th Feb 2016, 10:28 AM

Diego Chinellato

files python

1 Vote

Why use elif if you can use if and get same result?

13th Feb 2016, 3:50 PM

Nicolás Tomatis

else-statements python

0 Votes

Why would you want \n in your output?

11th Feb 2016, 9:08 PM

Luis Daniel Oliveira

python strings

0 Votes

Why main class should always be static?

8th Feb 2016, 10:05 PM

Elena

java static

3 Votes

Why #include <iostream> instead of #include<stdio.h>?

8th Feb 2016, 9:22 PM

Khurshid wali

c++

0 Votes

Why is the output of this code "no"?

7th Feb 2016, 1:05 PM

ali khan

operator-precedence python

1 Vote

Can anyone explain why I need to create a constructor at all when I can just make an regular object and do the same things?

6th Feb 2016, 8:04 PM

Muhseen I. Abdullah

constructors java

0 Votes