Agile Web Development with Rails 5, 1st Edition

Incremental Development

We’ll be developing this application incrementally. We won’t attempt to specify everything before we start coding. Instead, we’ll work out enough of a specification to let us start and then immediately create some functionality. We’ll try ideas, gather feedback, and continue with another cycle of minidesign and development.

This style of coding isn’t always applicable. It requires close cooperation with the application’s users, because we want to gather feedback as we go along. We might make mistakes, or the client might ask for one thing at first and later want something different. It doesn’t matter what the reason is. The earlier we discover we’ve made a mistake, the less expensive it’ll be to fix that mistake. All ...