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I wrote a script called phx-docker-compose-new that can be used instead of mix phx.new to generate a new Phoenix application. Building the development environment for a Phoenix application using Docker Compose is convenient because you can set up not...
この記事について Raspberry Pi、TensorFlow、Pythonのいずれにも詳しくない筆者が、物体検出をやって楽しんだ成果の記録です。 TensorFlow公式の物体検出のサンプルプログラムを実行します。 動作環境 ボード Raspberry Pi 4 Model B OS Raspberry Pi OS (32-bit または 64-bit) デスクトップ環境 カメラ Raspberry Pi カメラモジュール v2 Python Python ...
One day I was trying to upgrade one of my Phoenix 1.5 apps to Phoenix 1.6. In that app, I customize Bootstrap styles using SCSS. I want to talk about what I found and stumbled on when setting up SCSS. TIL All explained in Phoenix 1.6 Asset Managemen...
This is written in Japanese. I might convert it to English later, maybe. はじめに Elixirのテストでモックを用意するときに利用するElixirパッケージとして、moxが人気です。Elixir作者のJosé Valimさんが作ったからということもありますが、ただモックを用意するだけではなくElixirアプリの構成をより良くするためのアイデアにまで言及されているので、教科書のようなものと思っています。 一言でいうと「その場...
TIL Access supports keyword lists (Keyword) and maps (Map) out of the box, but not structs. There is a reason why Elixir does not implement Access behaviour for structs. Perfer data.key for accessing predefined atom keys of map or struct. Access be...
I want to enable my Nerves devices to talk to each other using Distributed Erlang. Here is my memo. Preparation Find hostname or IP address for each device When shelling into a Nerves device, we will see IP address and host name printed by nerves_mot...
I wanted to make a simple URL shortnener app like Bitly using Phoenix.LiveView. This article called URL shortener with Elixir and Phoenix by Aleksi Holappa was helpful when I started off. What I want to do User is able to create a short link to a gi...
I like the simplicity of SQLite for my local development; however when I deploy my app to a cloud platform like Gigalixir, Fly.io, etc, often PostgreSQL is preferred. I was wondering if I can switch between them based on MIX_ENV. Elixir version etc e...
にほんご The other day I played with DYP-A01 ultrasonic distance sensor on my Nerves-powered Raspberry Pi. Here is my note. Long story short I wrote an Elixir program that enables us to communicate with an ultrasonic sensor through serial ports on Rasp...