Detect Code Breaks in Real-Time

Rollbar detects when code breaks in real-time and provides the full stack trace and diagnostic data to help you defeat impactful errors. Debug with data and instantly know what's broken and why. Try Rollbar for free!

Events and different kinds of coupling

There’s a common misconception that events reduce coupling. Sure, this statement can be true. But it’s extremely inaccurate.

An Unprecedented Subtraction

The beauty of this trick is that the code examples work in both Erlang and Elixir, with barely any changes at all… I’ll do it in Elixir, feel free to try them out in Erlang or efene if you like.

An eInk display with Nerves & Elixir - Getting started with Inky

So I've been curious about what kinds of displays you can connect to the Pi-series single board computers for a while. I happened to accidentally order a few. Among others an eInk display. I ordered the PaPiRus ePaper. It ended up being dead on arrival and then out of stock so I received an Inky to replace it. Fair enough.

Elixir lists vs Elixir tuples

Along with maps, Lists and Tuples are both ubiquitous and somewhat surprising for Elixir learners. Here's a quick guide.

Testing Phoenix custom error pages

A short post on using assert_error_sent to test custom error responses on status code, response headers, and body. And when it doesn’t work.