This article describes how to properly index database column.

There are several ways to check if a record exists. This article demonstrates a few examples with benchmark.

This article explains time zones in Rails

It is likely to happen that there will be times when you will need to be able to take payment from your customer at a later time. Maybe you have a thing on back order, maybe you only charge when an item is shipped to your customer.

Taking payments with your web application used to be a difficult if not downright daunting process. With the integration with Stripe, taking payments from your Rails app has gotten a whole lot easier