web-programming

I have a webpage that at first was working fine. But somehow, within a few days, it started to load more slowly. It's a simple webpage that allows…

I have made a simple system using php and mysql. There are two types of users on my system - one normal-users (user) and another power-users…

Possible Duplicate: PHP /SESSION: Login one per user? Hello all, I need to know how to let one user login once Thanks

class MyClass { private $db; // Constructor function __construct() { $this->db = new mysqli('localhost', 'root', 'root', 'Test_db');…

Hello all, I'am new to mysql and i want to know what KEY (not primary key) means in the query below : CREATE TABLE `users` ( `id` int(11) NOT NULL…

Hi, I'm trying to figure out how to do the following for this site I'm trying to build. I have a service table, a category table, a tag table and a…