Why does the error, "front controller reached 100 router match iterations", occur?

Which will sort products in the catalog by the date they were added?

Is it possible to trigger an event after an order has been set to 'processing'?

Which code samples will get all products sorted by 'position', assuming 'position' is of a numeric type?

Which statements are correct about Magento quotes?

Magento has the ability to run multiple stores from the same database. After adding the new store from System -> Manage Store, what is the correct code to add to the htaccess file to make Magento automatically load the new store?

Get custom configuration into email template.

Which one by exposing core modules. For the core Magento API gives us the ability to manage products, categories, attributes, orders, and invoices?

Add another attribute to Magento products.

What database can Magento use?

Is it possible to install magento in a local server and access it in to another system in the same network.