Here is a quick guide on how to change admin url path in Magento. This need to be done for security reason to be safe from hacking/cracking issue. Basically, this is done not to let any general user to access the admin page.
Generally, we do have ‘admin‘ as the administrator path for Magento. So, the admin URL will be http://www.example.com/admin/

This article will show you how to create shopping cart price rule in Magento through code.
Shopping Cart Price Rules are applied when the customer reaches the shopping cart.
To create a Shopping Cart Price Rule from Admin Panel, we go to Promotions -> Shopping Cart Price Rules and select Add New Rule.

Here, you will see how to create Catalog Price Rule in Magento through code.
Catalog Rules are applied on products before they are added to the cart.
To create a Catalog Price Rule from Admin Panel, we go to Promotions -> Catalog Price Rules and select Add New Rule.

Suppose, you have added a new extension to MagentoConnect. You may have situation to delete that extension later on. However, there is no delete option in Manage Extension section in MagentoCommerce (My Account -> Extensions and Languages -> Manage Extensions). You can Edit your extensions yourself but you cannot delete them.
To delete you extension, you need to send message to Magento Team through the contact us form. Here are the steps to do so:-

Here is a quick tip to sort/order latest product by both created date and new from date.
Created At date is automatically added when you add a new product. However, you have to set New from Date manually while adding or editing product.
You may have product with same new from date. And, then you need created at date to sort the latest product.