Asynchronous JQuery script

http://forum.jquery.com/topic/load-jquery-js-async-possible

http://www.yterium.net/jQl-an-asynchronous-jQuery-Loader

Disable the Plugin and Theme Editor | Disable Plugin and Theme Update and Installation

http://codex.wordpress.org/Editing_wp-config.php#Disable_the_Plugin_and_Theme_Editor

http://www.tcbarrett.com/2011/09/remove-and-disable-wordpress-theme-and-plugin-editors/#.UlvWq1N7yLU

Perl script for documents backup

#!/usr/bin/perl

# Configuration params
$backup_dir = '/home/username/public_html';
$file_prefix = 'doc_backup_';

# Get the timestamp for today
$date = `date "+%Y%m%d"`;
chomp($date);

chdir('/home/username/backup/doc_backup') ;

`tar -cv -f $file_prefix$date.tar $backup_dir`;

`bzip2 $file_prefix$date.tar`;

# Below line is used to remove the backups older than 5 days to free up the server space
system("find . -mtime +5 -type f -name  'doc_backup_*' -exec rm {} \\;");

Perl script for Database backup

#Configuration params
$host = 'localhost';
$user = 'username';
$pass = 'password';
$database = 'dbname';
$backup_dir = '/home/username/backup/db_backup';
$file_prefix = 'database_backup_';

# Get the timestamp for today
$date = `date "+%Y%m%d"`;
chomp($date);

`mysqldump --host=$host --user=$user --pass=$pass  $database | bzip2 -c > $backup_dir/$file_prefix$database$date.sql.bz2`;

How to use locks in PHP cron jobs to avoid cron overlaps

http://stackoverflow.com/questions/10552016/how-to-prevent-the-cron-job-execution-if-it-is-already-running

http://abhinavsingh.com/blog/2009/12/how-to-use-locks-in-php-cron-jobs-to-avoid-cron-overlaps/