Shorthand maps for Elixir
Javascript has shorthand proprty names for objects. Shorthand is a library that provides a similar feature for Elixir.
Render heex templates directly from a Phoenix controller
Sometimes a controller and a view and a template is just too much. Here's a way to embed heex templates within your Phoenix controllers.
How to get a letsencrypt dev certificate on a mac
Get a development SSL certificate from LetsEncrypt for local development.
How to use the datetime-local input type with timezone in a Phoenix LiveView
How to get a users timezone when using the datetime-local input type in a Phoenix LiveView.
How to respond to channel broadcasts in a Phoenix LiveView app layout (global broadcasts)
How do you respond to channel broadcasts in a Phoenix LiveView app layout? You need a way to subscribe across all LiveViews.
How to update URL params in a Phoenix LiveView
How do you push an update to a single query string param without changing other params in the url or even being aware of the url or its query string. I’ll explain how to build a filter toggle component and tag list component that maintain state in the query string while updating state in the LiveView.
Use Font Awesome icons in Phoenix
Phoenix comes with Heroicons built-in. If you want to change to using another icon library, like Fontawesome, it can be done quite easily with a few small changes. This post will show you the steps needed so the <.icon /> component works with Fontawesome.
Add a tooltip component to Phoenix
How to add a tooltip component to your Phoenix app using PopperJS. Learn how to connect client-side javascript when elements are added and removed from the DOM.
Add utility functions to iex
How to create short functions that can be called directly in your Elixir iex session
Why code_change wouldn’t work on my GenServer
In Elixir code_change/3 is the callback that allows you to upgrade state in a GenServer process during a hot-code upgrade—but it didn’t work for me. Understanding how the erlang release handler finds processes to update helped me to figure out what was wrong and how to fix it.
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