I decided to write a book (at the very least attempt to). And yes, there will be some Fedora inside! Continue reading
You can make a single executable from your gem or even a Rails application. I just tried ruby-packer and it works as promised. Continue reading
A quick fix for an annoying (and not very descriptive) error Browsing context has been discarded when setting up Ruby on Rails system tests with Firefox headless.
Just a quick remainder about what slowed me down today. Continue reading
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. Continue reading
This is a simple example of adding a conditional and partial unique index to Rails applications backed by PostgreSQL.
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 to run your code without doing migrations first?