Web Development

<br />
//First let's find the first result and the last result to show.<br />
$first_res = $_REQUEST['first'];<br />
$last_res = $_REQUEST['last'];<br />
<br />
//Now if null set defaults<br />
if($first_res == null or $last_res == null){<br />
//Defaults are 0-20<br />
$first_res = '0';<br />
$last_res = '20';<br />
}<br />
<br />
$isvalid = validation_function_here($first_res, $last_res);<br />
<br />
//Now check if input is valid<br />
if ($isvalid !== true){<br />
//Invalid input<br />
die('Invalid Format, Please Press back button and choose a different option');<br />
}else{<br />
<br />
//Get data from database.<br />
<br />
//Connect<br />
$con = mysql_connect('localhost', 'root', 'password') or die('Could not connect to database.');<br />
//Select Database.<br />
mysql_select_db('data') or die('Could not select database');<br />
<br />
//Use select query with the LIMIT param<br />
$result = mysql_query('SELECT * FROM table LIMIT '. $first_res .', '. $last_res .';');<br />
}<br />
<br />
//Now simply use your normal display function<br />
<br />
<br />

//This is PHP<br />
<br />
if($_REQUEST['checkbox'] == 'checked'){<br />
<br />
setcookie ("userid", $randomly_generated_userid_for_current_login_session, time( ) + 3600); //I am have actually seen this variable in the wild!:wtf:<br />
<br />
//This cookie will last for 1 hour<br />
<br />
}else{<br />
<br />
//The user does not want to be remembered<br />
<br />
setcookie ("userid", $randomly_generated_userid_for_current_login_session, time( ) - 1); <br />
<br />
//This cookie will expire as soon as the browser closes<br />
} 

Bradml wrote:

setcookie ("userid", $randomly_generated_userid_for_current_login_session, time( ) + 3600); //I am have actually seen this variable in the wild!

UltraCoder wrote:

The cookie does not expire on browser close!

Paddy Boyd wrote:

Can't imagine why this wasn't included in the javascript spec...

popin wrote:

The first dropdown contains the States, the second dropdown should be populated with the City as per the selection of the States and first textbox should contain with the code of the selected City (the codes of the cities are already there in the database) and the second textbox should contain the latitude and longitude of the selected City (the latitude and the longitude of the Cities are also there in the database).