Remove file extension from url using htaccess ?

RewriteEngine on 

RewriteCond %{REQUEST_FILENAME} !-d 

RewriteCond %{REQUEST_FILENAME}\.php -f 

RewriteRule ^(.*)$ $1.php

How to get Duplicate Record From Mysql Database ?

Use this query to get duplicate record-

SELECT mobile, count(id) as total_count FROM servicecall

GROUP BY mobile HAVING total_count > 1

How to set multiple google maps on single web page using javascript ?

script type="text/javascript" src="http://maps.googleapis.com/maps/api/js?sensor=true"></script>

<script type="text/javascript" src="http://google-maps-utility-library-v3.googlecode.com/svn/tags/markerwithlabel/1.1.5/src/markerwithlabel.js"></script>

<script type="text/javascript">

// Enable the visual refresh

google.maps.visualRefresh = true;

// Set the Map variable

var map;

var infowindow = new google.maps.InfoWindow();

function initialize() {

var myOptions = {

zoom: 8,

mapTypeControl: true,

scrollwheel: true,

streetViewControl : true,

mapTypeId: google.maps.MapTypeId.ROADMAP,

styles:[

{ featureType: "water", stylers: [ { color: "#8DC4E1", hue: 0.1 } ] },

{ featureType: "landscape.natural", stylers: [ { color: "#F4F3EF", lightness: +100 } ] },

{ featureType: "road.local", stylers: [ { color: "#FFF" } ] }

],

};

var all = [

["4605 S Tamiami Trail, Sarasota, FL 34231, USA", "27.287359", "-82.530634"],

["8519 state road 70 east bradenton fl 34211", "27.439685", "-82.452375"],

];

var infoWindow = new google.maps.InfoWindow;

map = new google.maps.Map(document.getElementById('map_canvas'), myOptions);

map1 = new google.maps.Map(document.getElementById('map_canvas1'), myOptions);

// Set the center of the map

var pos = new google.maps.LatLng(27.287359, -82.530634);

var pos1 = new google.maps.LatLng(27.439685, -82.452375);

map.setCenter(pos);

map1.setCenter(pos1);

function closeinfocallback(infowindow)

{

return infowindow.close();

}

function infoCallback(infowindow, marker,map)

{

return function() {

infowindow.open(map, marker);

};

}

function setMarkers(map, all,i)

{

var name = all[i][0];

var lat = all[i][1];

var lng = all[i][2];

var latlngset;

latlngset = new google.maps.LatLng(lat, lng);

var marker = new google.maps.Marker({

position: latlngset,

map: map,

});

var content = '<div class="map-content"><h3>' + name + '</h3></div>';

var infowindow = new google.maps.InfoWindow();

infowindow.setContent(content);

google.maps.event.addListener(marker, 'click', infoCallback(infowindow, marker,map));

}

// Set all markers in the all variable

setMarkers(map, all,'0');

setMarkers(map1, all,'1');

}

// Initializes the Google Map

google.maps.event.addDomListener(window, 'load', initialize);

</script>

<div id="map_canvas1" style="height: 300px; width: 100%;">  </div>

<div id="map_canvas" style="height: 300px; width: 100%;">  </div>

How to send mail using PHP ?

You can use this Script to send mail !

$headers = "From: Company name<info@domainname.com>\r\n" .
"Reply-to: Customer<info@domainname.com>\r\n" .
'X-Mailer: PHP/' . phpversion() . "\r\n" .
"MIME-Version: 1.0\r\n" .
"Content-Type: text/html; charset=utf-8\r\n" .
"Content-Transfer-Encoding: 8bit\r\n\r\n";
$subject="Service Invoice";

$to ="amit******@gmail.com";
mail($to,"Subject","Test Mail" ,$headers);

What is SSL ?

Secure Sockets Layer (SSL). cryptographic protocols which provide secure communications on the Internet.

How we can increase the execution time of a PHP script ?

I have given you some function using them you can increase the execution time of a PHP script.Default time for execution of a PHP script is 30 seconds.These are -

1.set_time_limit()//change execution time temporarily.

2.ini_set()//change execution time temporarily.

3. By modifying `max_execution_time' value in PHPconfiguration(php.ini) file.//change execution time permanent.