Change products per page for individual categories in magento

Hello 

Change products per page for individual categories in magento

 all your default values are set in "Products per Page on Grid Allowed Values" in Admin > system config > Catalog > Catalog > Frontend

Layout handle for product grid and list view in magento

 Layout handles for product grid and list view in MagentoHello

Using the handles: catalog_category_default, catalog_category_layered and catalogsearch_result_index you should be able to change the template of the products listed.

How to pass value from Javascript to php variable on the second page?

hello

How to pass value from Javascript to php variable on the second page?

I am giving example of how pass value using javascript.

create .php file like demo.php write to code

Build a PHP MVC Application

hello here exmaple video for build a php mvc application in php. please check out this below video. i

Connect to MySQL with PHP in XAMPP / Create a new database

hello this video display conction with mysql in php here display how to connect in xampp. nice video

how to create magento static block

hello 

Create How to Create Magento static Block in magento.

Magento secure url Secure/Unsecure Link - Link Securely for Secure Pages only

hello

Your first (with the {{media}} tag) is correct and should work.

In the admin go to System > Configuration > Web > Secure and make sure the following are set:

    Base Link URL - {{secure_base_url}}
    Base Skin URL - {{secure_base_url}}skin/
    Base Media URL - {{secure_base_url}}media/

    Base Javascript URL - {{secure_base_url}}js/