Q&A Discussions

Can v edit the column's data type after creating the table?

16th Apr 2016, 3:15 PM

Nuwan Thisara

sql tables

1 Vote

1 Answer

16th Apr 2016, 2:35 PM

Piyush Singh

Why function name can't start with number?

functions php

1 Vote

Please tell the exact difference between float and double

16th Apr 2016, 12:07 PM

Shahid Saddique

c#variables

0 Votes

5 Answers

16th Apr 2016, 8:28 AM

Ammar Israr

Is $_SERVER variable an array?

php predefined-variables

4 Votes

What if I send null as one parameter and try to perform operation on it in the function like adding, then what would the function return?

16th Apr 2016, 7:55 AM

Ajay Verma

functions javascript

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, 6:50 AM

zainul abedin

data-types php

1 Vote

if a class doesn't have a destructor defined, what happens when the object is destroyed?

16th Apr 2016, 5:12 AM

Mohiuddin Sumon

c#destructors

2 Votes

5 Answers

16th Apr 2016, 12:36 AM

Greg Mavhunga

What is the limit for a dictionary?

dictionaries python

0 Votes

1 Answer

15th Apr 2016, 11:20 PM

camelo

What is the diference between RETURN and YIELD?

generators python

2 Votes

Can we use rowspan and colspan at the same time?

15th Apr 2016, 11:16 PM

camelo

html tables

0 Votes

I don't quite follow on the "By Value" and the "By reference". What happens and what is the difference exactly? :-)

15th Apr 2016, 5:26 PM

Farhan

c#methods

3 Votes

Can anyone tell the logic behind this print('print("print") ')

15th Apr 2016, 4:05 PM

Mike Mortensen

output python

0 Votes

7 Answers

15th Apr 2016, 3:53 PM

Vipul Garg

Do I have to capitalize the first letter of Write and Line? also, is English your foreign language ?

c#input

0 Votes

So drag and drop is only a usable part of HTML5 with JavaScript? Without JavaScript it won't work?

15th Apr 2016, 11:45 AM

TheJangleMan

drag-drop html

0 Votes

How can I do a jagged array bidimensional?

15th Apr 2016, 3:03 AM

Emma Theobald

arrays c#

0 Votes

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

14th Apr 2016, 10:27 PM

Bruno Vieira

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

Shouldn't a variable start with a lowercase like "personAge"?

14th Apr 2016, 4:40 PM

Andrés Rodríguez

c#variables

0 Votes

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

14th Apr 2016, 3:26 PM

Elijah (ELi)

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

hello im from germany and so my englisch isnt very good. can somebody explain what the modulus does?

javascript operators

2 Votes

I just wanna ask if how is C# differ from Java?? just curious coz I only know Java and a newbie in C#

13th Apr 2016, 7:11 PM

datweirdboii

c#java

3 Votes

I dont understand what is overloading?

13th Apr 2016, 6:08 PM

a l l y z a

c#methods

2 Votes

6 Answers

13th Apr 2016, 5:57 PM

Shlomo Sfez (ShlomoSfezOfficial)

Whats the difference between abstract class and interface?

abstract-classes interfaces java

2 Votes

Are there any major differences between Python 3.4 and 3.5?

13th Apr 2016, 5:42 PM

Venkata Bodapati

python

1 Vote

Ok I'm confused with the concept of the for Loop

13th Apr 2016, 4:56 PM

L. Taz Hicks

c#loops

1 Vote

Can you use sizeof on a class? If so, does only depend on its primitive values or does inheritance play a part as well?

13th Apr 2016, 2:41 AM

EJ6612

c++sizeof

1 Vote

how var keyword decreases the readability?? i think it is bttr to use,for faster working..

13th Apr 2016, 12:12 AM

Antonio Borges

c#variables

1 Vote

Any ideas, in which cases a sealed class would make sense?

12th Apr 2016, 7:08 PM

Piyush Singh

c#sealed

0 Votes

Can any1 explain the use of static keyword?

12th Apr 2016, 3:01 PM

Dr. Christian Heigl

php variables

0 Votes

Can any1 explain the use of static keyword?

12th Apr 2016, 10:18 AM

Tanvi Singhal

php variables

0 Votes

The maximum of bold can be 900? that's the highest?

12th Apr 2016, 10:18 AM

Tanvi Singhal

css font

2 Votes

6 Answers

12th Apr 2016, 8:39 AM

Nandor Enyedi

Where is HTML1,HTML2, HTML3, HTML4? 😂

html

0 Votes

8 Answers

12th Apr 2016, 6:57 AM

Md Ahsanul Islam

What happens if you use a Raise statment outside an Exception block?

exceptions python

1 Vote

Is swift the only languge to create apps in ios?

11th Apr 2016, 10:03 PM

md123

swift

0 Votes

11th Apr 2016, 3:57 PM

SRI CHANDRA REDDY NAKKA

Why we use target?

html links

1 Vote

What exactly is scripting?

11th Apr 2016, 10:10 AM

BULAND JANGRA

python scripting

2 Votes

How to run runnable class every 1 sec?

10th Apr 2016, 8:57 PM

Priscilla Mosby

java threads

1 Vote

How find if certain value starts and ends wid the same letter??

10th Apr 2016, 11:37 AM

Hemanth S

sql

0 Votes

What are advantages of Python over PHP in the domain of web development?

10th Apr 2016, 9:27 AM

Sudha Silumula

php python

1 Vote

1 Answer

10th Apr 2016, 7:17 AM

Kaushik Patil

Does "innermost loop" equate to "most deeply nested loop"?

c#loops

0 Votes

How come srand() produces same sequence using the same interger? Shouldn't srand change the sequence as true random?

10th Apr 2016, 5:18 AM

Trevor Holowaty

Where is used c#?

0 Votes

5 Answers

10th Apr 2016, 1:22 AM

sunny kumar

c++rand

0 Votes

Why is Abstract class useful?

9th Apr 2016, 9:56 PM

Michael A. Valverde

abstract-classes c++

0 Votes

What's the advantages of external JS over the one included in HTML file?

9th Apr 2016, 5:53 PM

Abhishek Jain

javascript

0 Votes

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

9th Apr 2016, 4:14 PM

Reinhert Onduru

sql views

1 Vote

hi! what's the diference between ' != ' and ' NOT ' ?

9th Apr 2016, 1:09 PM

Qiao Zhang

sql where

2 Votes

9 Answers

9th Apr 2016, 9:45 AM

Eleonora

Are there any use of it other than calculating the factorials?

c#recursion

3 Votes