Create multiple coupon codes in Magento Programatically

we can create multiple coupon code for a rule using below code:

Magento multiple category custom attribute save

We can save custom attribute value for Multiple categories at once   // $collection is your categories collection

Magento Checkout error: Undefined review error on Place order

Recently i came up with issue in Magento check out order review process. when clicking on Place order button it does not work i have tried in all browsers but still the same.The interesting thing is this issue is happening only for few random customers.I have google around and found few blogs which says this Read more about Magento Checkout error: Undefined review error on Place order[…]