Tips for Twits

class ImageHelper {
 
	static function treatFilename($filename) {
		$newfilename = strtolower($filename);
		$newfilename = str_replace(" ","_",$newfilename);
		return $newfilename;
	}
 
	static function isPotrait($srcimage) {
		if (!file_exists(realpath($srcimage)))
			return;
 
		return !ImageHelper::isLandscape($srcimage);
	}
 
	static function isLandscape($srcimage) {
		if (!file_exists(realpath($srcimage)))
			return;
 
		$size	= getimagesize( $srcimage );
		return ($size[0] > $size[1]);
	}
 
	static function resizeImage($srcimage, $destimage, $width, $height) {
		if (!file_exists(realpath($srcimage)))
			return;
 
		$srcpathinfo 	= pathinfo($srcimage);
		$srcext 		= strtolower($srcpathinfo['extension']);
		$destpathinfo 	= pathinfo($destimage);
		$destext 		= strtolower($destpathinfo['extension']);
		$size 			= getimagesize( $srcimage );				// Get the size of the original image into an array [0]=> width, [1]=> height
		$image			= null;
		$canvas 		= imagecreatetruecolor( $width, $height );	// Prepare canvas
 
		// Create a new image in the memory from the file 
		switch ($srcext) { 
			case 'wbmp':
			case 'bmp':
				$image = imagecreatefromwbmp($srcimage);
				break;
			case 'jpg':
			case 'jpeg':
				$image = imagecreatefromjpeg($srcimage);
				break;
			case 'png':
				$image = imagecreatefrompng($srcimage);
				break;
			case 'gif':
				$image = imagecreatefromgif($srcimage);
				break;
			case 'xpm':
				$image = imagecreatefromxpm($srcimage);
				break;
			default:
				return;
		}
 
		// Calculate dimensions
		$widthratio		= $size[0]/$width;
		$heightratio	= $size[1]/$height;
		$dimensions 	= array(
						'ratio' 			=> $widthratio,
						'source_cropwidth' 	=> 0,
						'source_cropheight' => 0,
						'source_offsetx' 	=> 0,
						'source_offsety' 	=> 0
						);
 
		if ($heightratio < $widthratio)
			$dimensions['ratio'] 			= $heightratio;
 
		// let say image is 1200*800, then:
		// widthratio = 1200/400 = 3
		// heightratio = 800/300 = 2.66
		// since there is less height than width, the max scale we can do is 2.66, then
		// the targetwidth to crop = 400 * 2.66
		// the targetheight to crop = 300 * 2.66
		// the offset width = (1200 - (2.66 * 400))/2 = 68
		// the offset height = (800 - (2.66 * 300))/2 = 1
 
		$dimensions['source_width'] 		= $size[0];
		$dimensions['source_height'] 		= $size[1];
		$dimensions['source_cropwidth'] 	= $width * $dimensions['ratio'];
		$dimensions['source_cropheight'] 	= $height * $dimensions['ratio'];
		$dimensions['source_offsetx'] 		= ($size[0] - $dimensions['source_cropwidth']) / 2;
		$dimensions['source_offsety'] 		= ($size[1] - $dimensions['source_cropheight']) / 2;
 
		imagecopyresampled($canvas, $image, 0, 0, $dimensions['source_offsetx'], $dimensions['source_offsety'], $width, $height, $dimensions['source_cropwidth'], $dimensions['source_cropheight']);
 
		switch ($destext) {
			case 'jpg':
			case 'jpeg':
				imagejpeg( $canvas, $destimage );
				break;
			case 'png':
				imagepng( $canvas, $destimage );
				break;
			case 'gif':
				imagegif( $canvas, $destimage );
				break;
			case 'wbmp':
			case 'bmp':
				imagewbmp( $canvas, $destimage );
				break;
		}
 
		imagedestroy( $canvas );
		imagedestroy( $image );
 
		return true;
	}
}

ssh root@wits.sg 'mysqldump -uroot twits> /tmp/twits.backup.sql && bzip2 -9 /tmp/twits.backup.sql'
scp root@wits.sg:/tmp/twits.backup.sql.bz2 /var/backups/twits/`date "+%Y%m%d-%H%M"`.sql.bz2
ssh root@wits.sg 'rm /tmp/twits.backup.sql.bz2'

30 05 * * * /root/twits_backup.sh

SELECT `name` FROM `organizations` WHERE SOUNDEX(`name`) = SOUNDEX('dog');

var form = new Ext.form.FormPanel({
	baseCls: 'x-plain',
	labelWidth: 140,
	url: 'abc/def.php',
	defaultType: 'textfield',
	items: [{
		fieldLabel: 'Name',
		name: 'name',
		anchor:'100%'  // anchor width by percentage
	}, {
		xtype: 'textarea',
		fieldLabel: 'Description',
		name: 'description',
		anchor: '100% -30'  // bug in IE6
	}]
});
 
var window = new Ext.Window({
	title: 'Some Window',
	width: 500, height: 300, 
	layout: 'fit',
	plain: true,
	buttonAlign: 'center',
	items: form
});
 
window.show();

Ext.override(Ext.form.Field, {
    adjustWidth : function(tag, w){
        tag = tag.toLowerCase();
        if(typeof w == 'number' && !Ext.isSafari){
            if(Ext.isIE && (tag == 'input' || tag == 'textarea')){
                if(!Ext.isStrict){
                    return this.inEditor ? w : w - 3;
                }
                if(tag == 'input' && Ext.isStrict){
                    return w - (Ext.isIE6 ? 4 : 1);
                }
                if(tag == 'textarea' && Ext.isStrict){
                    return w-4;
                }
            }else if(Ext.isOpera && Ext.isStrict){
                if(tag == 'input'){
                    return w + 2;
                }
                if(tag == 'textarea'){
                    return w-2;
                }
            }
        }
        return w;
    }
});

Options +FollowSymlinks
RewriteEngine on
 
RewriteCond %{REQUEST_URI} (index\.php|webroot/|images/|css/|js/|robots\.txt|favicon\.ico)
RewriteRule ^(images|css|files|js)/(.*)$ webroot/$1/$2 [L]
RewriteRule ^(favicon\.ico)$ webroot/$1 [L]
 
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ index.php/$1 [L]