A Rails test works for your colleague but fails on your laptop. Before changing the application, check Ruby versions, installed gems and database configurations. A difference in the setup can send you looking for a bug that has little to…
A wardrobe tracker makes a useful Ruby project because its rules are easy to inspect. An item belongs to someone, has a category and may be available to wear. An outfit combines several items. A wear log records what actually…
A referral has been sent, but nobody knows whether the specialist got it. Reception checks the electronic health record (EHR). A nurse searches her inbox. Another employee looks at the spreadsheet. Consider a Ruby on Rails project built around that…
A customer asks about a charter flight for Friday. Later, they change the departure airport, add another passenger and ask whether the original quote still applies. The team now has several emails describing different versions of the same trip. That…
Every small agency has some version of the same problem: the client says they sent the file, the project manager remembers seeing it, and nobody can find the approved copy. A client document portal makes a useful Ruby on Rails…
A job looks simple on a calendar. There is a date, a customer and something that needs doing. Open the email thread behind the job, though, and things become more complicated. For instance, someone wants to move the appointment. A…
Saving a link takes a moment. Recalling why you saved it can take considerably longer. You see a headline, so you keep the tab open. A few days later, dozens of tabs are in front of you and the detail…
A Ruby script that fetches one price is easy enough to leave in a single file. Add account balances, signed requests and a feed that stays open all afternoon, and that file starts getting awkward. The HTTP code needs one…
The order says paid, and the payment provider shows a completed transaction. Yet the bank deposit is smaller than the invoice. Someone has to explain the difference. This gives you a starting point for a Ruby on Rails project: a…
A customer asks “Where is my order?” in a Rails application. The chat window looks simple, but the application still has work to do: identify the customer, find an order they are allowed to see, and provide a useful answer…