Q&A Discussions

if $a= 3 then what's the ++$a and $a++?

16th Oct 2015, 7:30 AM

Jake Burkeroe

operators php

0 Votes

How many catch blocks can a try/catch block contain?

14th Oct 2015, 4:42 PM

Mahendra Singh

exceptions java

0 Votes

What's the difference between for and while loop? does while loop keep running until the condition is true?

12th Oct 2015, 11:35 AM

Mohammad Salman Azam

c++loops

0 Votes

How do I build a database for a social network for education purposes?

9th Oct 2015, 2:47 PM

Shashwat Pandey

0 Votes

Why bother with the return of a variable that never gets document.write?

9th Oct 2015, 12:41 PM

Oze Ezeanochie

functions javascript

0 Votes

What happens if we don't use alt.... ?

9th Oct 2015, 5:32 AM

aaron urban

I'm confused by DOM.

dom javascript

8 Votes

8 Answers

4th Oct 2015, 6:24 PM

CDub

html images

0 Votes

Shouldn't the code for the June 11th, 1988 date have a 6 instead of a 5?

4th Oct 2015, 8:51 AM

Akshay Singh

date javascript

1 Vote

Can we use twice AND operator in single query?

30th Sep 2015, 11:08 AM

mavdjtslknceheu

sql where

1 Vote

9 Answers

29th Sep 2015, 6:59 PM

Sukriti Kumari Mishra

Custom Columns: does the colum get added to the original table?

0 Votes

Can someone explain the difference between the use of the $_SERVER as script name and this one for host name?

29th Sep 2015, 3:21 PM

Akshay Dhingra

php predefined-variables

0 Votes

Can someone give other examples of this? Like an example of a script name to be put in the SERVER code or at least a scenario of where and when to use this code? Thank you.

28th Sep 2015, 10:25 AM

Ciara Grace Tenorio

php predefined-variables

1 Vote

I finished HTML, but I would rather learn Java over HTML5. Could I do that?

28th Sep 2015, 10:21 AM

Ciara Grace Tenorio

html html5 java

-1 Vote

What is the difference between UNIQUE and PRIMARY KEY?

27th Sep 2015, 6:39 PM

wolfiefilms

sql tables

1 Vote

I need to know why we need to set the environment path?

27th Sep 2015, 7:54 AM

Lina

java jdk

0 Votes

7 Answers

26th Sep 2015, 1:34 AM

Anup Jaguri

Can someone tell me why are they using " p .italic" and not just ". italic"?

css font

0 Votes

hi there. I have noticed that in the lesson you didn't gave the int datatype a size parameter. Does it mean that int parameter can hold lby default any integer no matter how many characters it consists of?

24th Sep 2015, 8:01 PM

Jose Figueroa

sql tables

0 Votes

After complete the html how i connect with web for create web site?

24th Sep 2015, 8:35 AM

George Shtalman

html

0 Votes

How to connect to external database to iOS ?

23rd Sep 2015, 5:35 PM

tawseef

swift

0 Votes

I still don't understand what relative and absolute means? someone can explain it to me? thanks.

23rd Sep 2015, 2:11 PM

🎈Amit💌

css

0 Votes

7 Answers

23rd Sep 2015, 1:14 PM

Gil

What is cached JavaScript? please anyone tell me.

javascript

0 Votes

java is platform independent. means?

22nd Sep 2015, 1:07 PM

bhupendra godara

java

0 Votes

Will adding serious amounts of comments slow down the program? I mean like a novel length like the types of: war and peace.

22nd Sep 2015, 5:36 AM

Shrisha Yadiyala

c++comments

0 Votes

18th Sep 2015, 5:07 PM

Henrik Karlberg

Is xcode free for mac?

swift xcode

1 Vote

What the actual significance of elements?

18th Sep 2015, 7:59 AM

Prithvi Vivek

elements html

0 Votes

What is the difference between system.out.println() and system.out.print() ?

17th Sep 2015, 6:36 AM

Anurup Nayan

java methods output

0 Votes

Why we write <hr\> not like </hr>?

7th Sep 2015, 9:38 PM

Archi

html

-4 Votes

17 Answers

6th Sep 2015, 5:18 AM

Praddhyumn Mani

Can we attach two eventListeners of same type but different functionality? for example two diff "click" event listeners?

events javascript

0 Votes

What is the difference between For and While...? Looks and works exactly same...!

5th Sep 2015, 3:00 PM

Hamed P

javascript loops

2 Votes

I want to know why make classes? if you can simply make methods in the main class?

5th Sep 2015, 7:13 AM

Anurag

classes java

0 Votes

4th Sep 2015, 11:20 AM

miguel coy

What does <Sup> mean?

formatting html

0 Votes

What is pseudo? In what way are linkes pseudo?

30th Aug 2015, 12:49 PM

Hriday Polasani

css links

0 Votes

Where can I find a good (and easy to install) C++ compiler for mac?

26th Aug 2015, 1:11 PM

Linda Malmgren

c++compiler

0 Votes

I have single table called flow, which has every 10 mins flow sample. I want to show sum of this samples per shift like 8am to 4pm shift1, 4pm to 12am shift2, 12am to 8am shift3

23rd Aug 2015, 7:39 PM

Ciara Adkins

sql union

0 Votes

What are Boolean Literals?

22nd Aug 2015, 5:12 AM

hari Prasad

0 Votes

What are comments used for?

18th Aug 2015, 6:59 PM

Sagnik Mukherjee

comments php

2 Votes

20 Answers

13th Aug 2015, 1:46 PM

Mynks Mynks Villa

Am using mac and no java program installed in my applications. What can I do... It seems totally different on Windows.

java jdk

0 Votes

Can i add a box-shadow on a table?

10th Aug 2015, 11:57 AM

Charlie Wheeler

box-shadow css css3

3 Votes

6 Answers

10th Aug 2015, 10:40 AM

Claudiu Maxim

hi guys, i m just a beginner in c++, this parts i means Pointers is difficult for me, i dont understand clearly and where can i use this if i built app. Is it important in c++ ?

c++pointers

3 Votes

7 Answers

9th Aug 2015, 11:37 AM

Tuang Hau Mun

What does <div> do?

html

0 Votes

What am I doing wrong when I type javac on command prop and it says it's not recognized as internal or external command, operable program or batch file?

9th Aug 2015, 4:00 AM

Kyla Elefan

java jdk

4 Votes

11 Answers

5th Aug 2015, 9:25 PM

Juuso Varho

Why is the "!" used for the comments? What does it mean?

comments html

1 Vote

6 Answers

28th Jul 2015, 5:51 AM

Gabrielle Do

What does define mean?

constants php

0 Votes

Is it possible to accept array elements from the user? If so, how should I proceed?

26th Jul 2015, 12:55 PM

Zakaria Tilburg

arrays java

0 Votes

22nd Jul 2015, 5:08 PM

Chaitri

How to delete a columns?

0 Votes

When do we use pointer? I don't get when to use it.

22nd Jul 2015, 1:24 PM

jibon jesmin

c++pointers

1 Vote

6 Answers

20th Jul 2015, 5:33 AM

Dojee Galtshen

How custom column name generated?

functions sql

0 Votes

How can we use align and border attributes together?

18th Jul 2015, 2:10 PM

Rahul Sounder

html tables

0 Votes

Is it possible to initialize more than 1 variable in a single for loop?!

18th Jul 2015, 7:46 AM

Sharath Jain

c++loops

0 Votes