Just a quick remainder about what slowed me down today.
Next release of InvoicePrinter will include a server with JSON API. That means you will be able to create simple and beautiful PDF invoices in seconds from any tech stack.
We should all strive to handle all possible errors in our programs and display nice error messages to the users, but one can hardly be sure that nothing will ever go wrong. That’s why I believe we should try to embed a debug mode that users can take advantage of when submitting the issue or solving the problem. Luckily this is very simple thing to do.
This is a simple example of adding a conditional and partial unique index to Rails applications backed by PostgreSQL.