June 2025
Intermediate to advanced
488 pages
12h 27m
English
Content preview from Agile Web Development with Rails 8
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We cover:
- Modifying the schema and existing data
- Error diagnosis and handling
- The flash
- Logging
Chapter 10Task E: A Smarter Cart
Although we have rudimentary cart functionality implemented, we have much to do. To start with, we need to recognize when customers add multiples of the same item to the cart. Once that’s done, we’ll also have to make sure that the cart can handle error cases and communicate problems encountered along the way to the customer or system administrator, as appropriate.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.