Today I learned how to use CubDB and some alternatives. CubDB is a disk-based key-value database written in the Elixir language and it can be used as part of an Elixir application without any configuration. Its API is so simple and intuitive to Elixi...
I love Raspberry Pi with the Qwiic connect system for playing with I2C devices. I've been using SparkFun Qwiic HAT for Raspberry Pi in a while and I have no issue. It is nice and easy. So this time I wanted to try SparkFun Qwiic SHIM for Raspberry Pi...
Today I learned how to make a poncho project with the Nerves firmware and Phoenix LiveView UI and how it generally works. My dev environment MacOS BigSur 11.4 MacBook Pro (13-inch, 2018, Four Thunderbolt 3 Ports) erlang 23.3.1 elixir 1.12.0-otp-23 ...
Today I talk about how I customize things that are printed when shelling into a Nerves target board (e.g., Raspberry Pi Zero W). TL;DR Find the rootfs_overlay/etc/iex.exs file in your Nerves project directory. Edit it as you want. Here is an examp...
I had held off setting up CI/CD (continuous integration and continuous deployment) for my personal Phoenix server. As it turned out, it was a lot easier than I expected. Today, I will briefly write up what I learned for future reference. I used Githu...
Today I put together one technique I find useful for writing test. That is to use data attributes for finding DOM elements in test. The same idea can apply to JavaScripting, but I focus mainly on Phoenix LiveView testing here because that is the one ...
