Ajax (Asynchronous JavaScript and XML) - Part 1

Ajax is to update the web page, using data fetched from the server/internet, without reloading the whole page in the browser.  

CAPTCHA Image Code - JAVA, JSP, AJAX

CAPTCHA - Completely Automated Public Turing test to tell Computers and Humans Apart
A CAPTCHA is used to ensure that the response is not generated by a computer, means response from human. It is used to distinguish between human and bots.

Force SSL/https using code - PHP, JAVA, .NET, C#.NET

Below the codes will explain to detect if URL is secured ssl with php, .net or java in https. If not, then code will automatically change to the secured page from http to https.

Executing SQL Server Stored Procedure from PHP

Difference between PHP on Windows and PHP on Linux is:

On windows, the MS SQL Server support module is running as a DLL file. In order to enable the extension, must uncomment the line from the php.ini file : extension=php_mssql.dll

On Linux, the MS SQL Server support module is compiled into libphp5.so, there is no need to load it from extensions.