Q&A Discussions

0 Votes

Why we need object constructor to construct any object?

18th Jun 2016, 5:00 PM

Franz Smith

javascript objects

0 Votes

18th Jun 2016, 1:16 PM

sorath Peetamber

why is return necessary

c++operators

4 Votes

What does += means? And why we use it?

18th Jun 2016, 6:00 AM

Shubham Priyam

c#operators

1 Vote

why are there quotation marks before and after the container tags?

16th Jun 2016, 8:31 PM

Utpal Kumar

php

-1 Vote

Why this course is so short ?😞

16th Jun 2016, 6:50 PM

mbackbone

5 Votes

If we dont use break, why would it compile the cases that dont match

16th Jun 2016, 12:30 PM

Edson Aires

c++switch

0 Votes

why do we have to end with return 0

16th Jun 2016, 8:08 AM

Nisarg Uchiha

1 Vote

I don't understan this operator %= why the result is 3 for this expression? int x = 15; int y = 6; Console.WritLine(x %= y);//output 3

16th Jun 2016, 7:05 AM

Monu Maheswari

0 Votes

9 Answers

15th Jun 2016, 5:53 PM

Tommaso

Why do you need dynamic memory?

c++dynamic memory pointers

3 Votes

why did we put <td> <td>, i don't get it

15th Jun 2016, 4:46 PM

The Little Stick Man

html tables

0 Votes

why $_GET is dangerous? Does it?

15th Jun 2016, 3:51 PM

nxt-inv

forms php

0 Votes

why i can't see this array

15th Jun 2016, 4:49 AM

Boris Atanasov

php

0 Votes

14th Jun 2016, 10:54 PM

Loïc Caumontat

Why to use php?

php

3 Votes

Why is the answer 16 for this question?

14th Jun 2016, 10:27 PM

Utpal Kumar

javascript loops

5 Votes

Why is it important to include return 0? What happens for other values other than 0?

14th Jun 2016, 8:01 PM

cassie

c++return

1 Vote

Why aren't there semicolons after each line

14th Jun 2016, 4:28 PM

Green Turtle

elements html

1 Vote

5 Answers

14th Jun 2016, 4:02 PM

Louis

Why variable name did not declare with no in name?

c#variables

0 Votes

why come this output ==10? int x=3; x= ++x + ++x; cout<<x;

14th Jun 2016, 2:04 PM

Muhammad Waqas Bilal

4 Votes

why this output? int x=3; x=++x + ++x + ++x; cout<<x; //output==16 ?

13th Jun 2016, 1:44 PM

Lekhraj Singh

0 Votes

Ok. In these lessons there is one thing I couldn't understand. What's the point about operator overloaded and why are they useful?

13th Jun 2016, 12:41 PM

Lekhraj Singh

0 Votes

Why do we need pointer? What is the real use of it in real life? I do not get why we need to use pointer while we can just refer to the variable itself?

13th Jun 2016, 6:06 AM

Andrei Cîrpici

c++pointers

2 Votes

Why not use CSS for this?

12th Jun 2016, 6:04 PM

Moona Arita

attributes css html

0 Votes

7 Answers

12th Jun 2016, 2:15 PM

Flow Ryan

What's the main reason why you can not use number to start a variable?

php variables

4 Votes

in the chapter of using array in loops why do we assign the value of x to the array?

11th Jun 2016, 10:36 PM

Emmanuel Uzomah

1 Vote

can anyone pls tell me what is method=post and why is it necessary, and what does it actually do.

11th Jun 2016, 5:23 PM

Ishaan kesarwani

forms html

1 Vote

Why there is option for comment in html?

11th Jun 2016, 9:22 AM

Parth Naria

comments html

1 Vote

Why is the horizontal line starting from center?

11th Jun 2016, 4:08 AM

SWAPNIL DATTARAY SASTE

headings html

0 Votes

1 Answer

10th Jun 2016, 10:57 AM

Alankar Mahajan

Why l can not set a image?

javascript

0 Votes

why autoplay is not playing the audio and video file ?

10th Jun 2016, 3:06 AM

Rezaul Karim

html html5 video

3 Votes

5 Answers

10th Jun 2016, 2:11 AM

Shiva Bhardwaj

both state width="400" height="300"> why is black so much larger than green? Am I missing something?

canvas html html5

0 Votes

8th Jun 2016, 9:02 PM

Andres Haiat

Why <canvas> is used?

html html5

3 Votes

why we r using different variable lik cx cy fr circle.. x y fr rect and x1 y1 fr line???

8th Jun 2016, 7:16 AM

K M Rejowan Ahmmed

html html5 svg

2 Votes

why should we use colorcode...? as we indicate colors as white black etc easily by writing its name(eg. bgcolor="white"

8th Jun 2016, 3:21 AM

Govindhrazz Allu

colors html

1 Vote

why other half of paragraph not aligned center?

6th Jun 2016, 2:55 PM

Govindhrazz Allu

attributes html

0 Votes

why there is CSS in HTML??? and what's its functions???

5th Jun 2016, 11:19 PM

Arafat Rahman

0 Votes

when we write audio or video tags ,what does this means - video /audio is not supported by your browser ?? why this sentence exist ??

5th Jun 2016, 7:07 PM

Adnan Fahim

audio html html5 video

0 Votes

This text is aligned to center in the above code why center is written in double quotes.? I tried it without quotes and I still works.

5th Jun 2016, 4:54 AM

Prathamesh Kinare

attributes html

2 Votes

What is Bootstrap ?? why we need to learn it ?? is it more efficient that HTML 5 ??

4th Jun 2016, 2:18 PM

Bhushan Babar

bootstrap html html5

1 Vote

4th Jun 2016, 5:56 AM

Prathamesh Kinare

Why ""?

0 Votes

Anyone can explain to me, why it is important to comment the first line in CSS sheets?

3rd Jun 2016, 7:58 PM

seith

0 Votes

9 Answers

2nd Jun 2016, 6:20 AM

Smukeliso

why do we use div tag??

html html5

-1 Vote

Why to learn to code HTML?

1st Jun 2016, 3:19 PM

Rosan karel

android code html

1 Vote

Why it is a good practice to write " ", instead of " "?

30th May 2016, 9:04 PM

David Nunes

2 Votes

What makes the article tag different from div and why was the div dropped?

29th May 2016, 6:03 PM

Tudor Gălățan

Can anyone explain why overriding is a runtime polymorphism and overloading is a compile time polymorphisms ?!?!!

0 Votes

1 Answer

28th May 2016, 9:12 AM

Fredrik Mörtberg

java polymorphism

5 Votes

Why is fallthrough disabled in c#?

18th May 2016, 3:53 PM

Rand Hazem

c#switch

0 Votes

Why does 'from module import *' exist when you can just use 'import module'?

15th May 2016, 7:07 PM

dustin

modules python

7 Votes

7 Answers

13th May 2016, 4:21 PM

Bas Bothof

So why would I ever use const instead of readonly?

c#readonly

1 Vote

When declaring myArray[5] it's creates elements from [0] to [4] why not from [0] to [5]?

8th May 2016, 12:27 PM

Martin M. Klöckener

arrays c#

0 Votes