Eldar Amantay steppefox

$c = new EMongoCriteria();
$c->addCondition('is_visible',(int)1);
$c->sort = array('publicated_at'=>-1); // ASC:1, DESC:-1

$pages = new CPagination(Feedback::model()->count($c));
$pages->pageSize = 6;
$pages->applyLimit($c);

$models = Feedback::model()-&gt;find($c);

XLS (Excel) headers in php

header('Content-Type: application/force-download');
header('Content-Type: application/octet-stream');
header('Content-Type: application/download');
header('Content-Disposition: attachment;filename='.$fileName);
header('Content-Transfer-Encoding: binary');

301 Header

Some of the answers here are for inifite page. What Salman is asking is lazy loading of images.

Plugin: http://www.appelsiini.net/projects/lazyload

Demo: http://www.appelsiini.net/projects/lazyload/enabled.html

EDIT: How do these plugins work?

This is a simplified explanation:

RegExp

RegExp constructors

http://leaverou.github.io/regexplained/ - объяснение регулярок в онлайне
http://jviereck.github.io/regexp.js/ - объяснение регулярок в онлайне
http://www.phpliveregex.com/ - PHP regexe

	function string_to_ascii($string)
	{
	$ascii = array();

	for ($i = 0; $i < strlen($string); $i++)
	{
	$ascii[] =$string[$i].':'.ord($string[$i]);
	}

	return(implode(' ', $ascii));

	function plural_str(i, str1, str2, str3){
	function plural (a){
	if ( a % 10 == 1 && a % 100 != 11 ) return 0
	else if ( a % 10 >= 2 && a % 10 <= 4 && ( a % 100 < 10 \|\| a % 100 >= 20)) return 1
	else return 2;
	}

	switch (plural(i)) {
	case 0: return str1;
	case 1: return str2;

	<!-- OLD SCHOOL METHOD FROM 2000 -->
	<style>
	div.center-2 { position: relative; float: left; left: 50%; margin: 0; padding: 0; z-index:2}
	div.center-2 div.center-3 { position: relative; float: left; right: 50%;z-index:2 }
	div.center-1 {overflow: hidden;}
	</style>

	<div class="center-1"><div class="center-2"><div class="center-3">
	...
	</div></div></div>