At some point, almost every product served by a web application needs a reporting functionality for its admins. This may be a page showing a graph and a table, or a spreadsheet download. Admins can usually select a date range, and possibly provide...
We used a feature toggle to gradually re-build parts of the business logic of our app. We were then able to switch to the new logic, and seamlessly roll back to the old logic in case of unforeseen problems. We had to come up with two interesting...
Shared test setup operating at the application level or below always made my test code hard to maintain. I stopped using test framework mechanics for this, in favor of concise repetitious setup pipelines at the start of each test.
A tale about language features and HTTP streaming This might sound familiar to you: You want to measure how well a product is doing and need some kind of reporting mechanism that provides you with insightful KPIs. Surely you don’t want to log into a...
and keep concerns separate along the way The official announcement of Elixir 1.5 was dominantly about improvements for debugging. Here I want to talk about a seemingly small change to how supervisor children can be specified. This change demonstrates...
Elixir and Phoenix are promising to become a productive foundation for creating backend applications. While the software ecosystem is not yet on par with Rails, we think that this technology is on a very good trajectory. It is already superior in a...
Version managers have been around in the ruby ecosystem for quite some time. You switch (cd) to a project using a different ruby version, and voilà, you are magically using the desired version of ruby. When running ruby, rails or any other binary...
