Useful Full Forms

Below you can find some useful full forms.

Technical

PHP : Hypertext Preprocessor
PEAR : PHP Extension and Application Repository
Ajax : Asynchronous JavaScript and XML
SOAP : Simple Object Access Protocol
HTML : Hypertext Markup Language
CSS : Cascading Style Sheets
SQL : Structured Query Language
ANSI : American National Standards Institute
DBMS : Database Management System
RDBMS : Relational Database Management System
DDL : Data Definition Language
DML : Data Manipulation Language
GIF : Graphics Interchange Format
JPEG : Joint Photographic Experts Group
MPEG : Moving Picture Experts Group
PNG : Portable Network Graphics
AVI : Audio Video Interleaved
HTTP : Hypertext Transfer Protocol
W3C : World Wide Web Consortium
IETF : Internet Engineering Task Force
IRTF : Internet Research Task Force
APC : Alternative PHP Cache
APD : Advanced PHP debugger
SVN : Subversion (version control system)
PDO : PHP Data Objects
FTP : File Transfer Protocol
SFTP : Secure File Transfer Protocol
CGI : Common Gateway Interface
DOM : Document Object Model
JSON : JavaScript Object Notation
MSI : Microsoft Installer
XMPP : The Extensible Messaging and Presence Protocol
REST : Representational State Transfer
RSS : Really Simple Syndication
URL : Uniform Resource Locator
XML : Extensible Markup Language
SPAs : Single Page Applications
RFQ : Request For Quotation
XHR : XML HTTP Request

Non-technical

NEWS : North East West South
WHO : World Health Organization

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Detect an AJAX Request in PHP

Whenever you need to check if request is Ajax or non-Ajax, you can check it using following code.

if(!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest') {
echo "This is an Ajax Request";
}else {
echo "Not an Ajax Request";
}

Reference : http://davidwalsh.name/detect-ajax

WordPress – Add pagination in admin listing page

When you need to add pagination in WordPress admin listing, just follow below steps:

$page_num = isset( $_GET['pagenum'] ) ? absint( $_GET['pagenum'] ) : 1;
$limit = 10; // Number of rows in page
$offset = ( $page_num - 1 ) * $limit;
$total = $wpdb->get_var( "SELECT COUNT(`id`) FROM `wp_posts`" );
$num_of_pages = ceil( $total / $limit );
$lists = $wpdb->get_results("SELECT * FROM `wp_posts` ORDER BY id ASC LIMIT $offset,$limit" );

$page_links = paginate_links( array(
'base' => add_query_arg( 'pagenum', '%#%' ),
'format' => '',
'prev_text' => __( '«', 'text-domain' ),
'next_text' => __( '»', 'text-domain' ),
'total' => $num_of_pages,
'current' => $pagenum
) );

if ( $page_links ) {
echo '<div class="tablenav"><div class="tablenav-pages" style="margin: 1em 0;">' . $page_links . '</div></div>';
}

Leave comments if you find it useful or you have any query about this.

Mysql – Calculate database size

You can calculate MySql database size using following steps.

Login into mysql :

mysql -h hostname -u username -p

Above command will ask you to enter mysql password.
After log in into mysql, run following query.

SELECT table_schema "DatabaseName",
sum( data_length + index_length ) / 1024 / 1024
"DataBase Size in MB" FROM information_schema.TABLES
GROUP BY table_schema;

Just replace your Database name. Thats it.
Please leave your comments if it worked for you.

Install eclipse in ubuntu-linux

Install Eclipse

Type the following command to install extensible Tool Platform, Java IDE, Java Development Tools plug-ins for Eclipse:
$ sudo apt-get install eclipse eclipse-jdt

How to start eclipse?

Click on Applications > Programming > Eclipse

OR type the following command at shell prompt:
$ eclipse &

Done. Enjoy