Implementing a basic debug mode for your Ruby CLI

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 […]

Do not run Rails with pending migrations

Database migrations are the tricky part of any deployment. They make zero-time deploys problematic. They requires special attention since they can break stuff. Some might choose to run migrations automatically, some of us run them manually. But one thing is almost always true; the production code without migrations should not ever run. So how not […]

Editing XFA PDF forms on Linux/Fedora

PDF should be this nice universal format that many government institution now work with. But what if they require you to fill in XFA forms inside their template PDFs? The ones I need to fill for my insurance company are certainly not supported in the standard Document Viewer shipped with Fedora. This weekend I tried […]

Invoicing from the command line

Are you a freelancer? You don’t need to leave your command line to create invoices for your clients. InvoicePrinter is a Ruby library for producing PDF invoices without too much hassle. If you haven’t seen it before, you can read more about it in the announcement or its GitHub page. With the upcoming 1.1.0 release […]