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$(function(){
	$('input[name="number"]').bind('keypress', function(e){
		var keyCode = (e.which)?e.which:event.keyCode
		return !(keyCode>31 && (keyCode<48 || keyCode>57)); 
	});
});

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$(function(){
	$('input[name="myInput"]:checked').val();
});

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	$('#element').on('keypress', function(e) {
		if(e.which == 13) {
			// action();
			e.preventDefault();
		}
	});

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class FooController extends \lithium\action\Controller {


	public function _init() {
		parent::_init();
		$userNotConnected = true;
		if($userNotConnected) {
			return $this->redirect('logout', array('exit'=>true));
		}
	}

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<?php
/**
 * Test if a variable is set and not empty
 */

//var not defined
var_dump(isset($var) && !empty($var)); // return false
var_dump(!empty($var)); // return false
var_dump($var); // throw a warning
var_dump(!$var); // throw a warning

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var foo;
var bar = foo || 'Hello World!';
console.log(bar); //return 'Hello World'

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// Boolean Value
console.log('===== Boolean Value!');
console.log( ( 1 ) ? 'true' : 'false' ); // true
console.log( ( '0' ) ? 'true' : 'false' ); // true
console.log( ( '1' ) ? 'true' : 'false' ); // true
console.log( ( [] ) ? 'true' : 'false' ); // true
console.log( ( {} ) ? 'true' : 'false' ); // true
console.log( ( '' ) ? 'true' : 'false' ); // false
console.log( ( 0 ) ? 'true' : 'false' ); // false
console.log( ( NaN ) ? 'true' : 'false' ); // false

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<?php
namespace admin\controllers;

class IndexController extends \lithium\action\Controller {

	public function index() {
		
	}
}
?>

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<?php

//...

/**
 * Add the Lithium core library.  This sets default paths and initializes the autoloader.  You
 * generally should not need to override any settings.
 */
Libraries::add('lithium');

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<?php
namespace app\controllers;
use app\models\Users;
use lithium\security\Auth;
use lithium\storage\Session;

class UserController extends \lithium\action\Controller {

	//actions ....