Elixir - Giant Robots Smashing Into Other Giant Robots

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Supercharge Your Elixir and Phoenix Navigation with vim-projectionist

Toggle between alternate files, edit files by type, and create files with templates — all with vim-projectionist. If you’ve never used it, you’re in for a treat.
German Velasco
November 18, 2019
- Vim
- Elixir
- Phoenix
Mocking and faking external dependencies in elixir tests

Explore a combination of mocking, faking, and dependency injection to focus on the code being tested.
Wil Hall
September 23, 2019
- Testing
- Elixir
Better domain modeling in Elixir with sum types

Sum types are a powerful domain modeling technique. Let’s look at how to use them to remove invalid states.
German Velasco
July 26, 2019
Do you break your Elixir eggs on the big end or the little end?

From big-endian to little-endian through unsigned integers. A tale of two ends, and Elixir shines again.
German Velasco
December 25, 2018
Is Elixir a scripting language?

Elixir is known for being a language made for building distributed applications that scale, are massively concurrent, and have self-healing properties. But is Elixir good enough for the mundane scripts of this world?
German Velasco
October 15, 2018
Chess and Recursion: Part 1

It turns out solving chess moves with recursion and pattern matching is a lot of fun!
Dan Barber
August 10, 2018
- Code
- Good Code
- Elixir
- Phoenix
- Recursion
Long-lived processes in Elixir

Long-lived processes are everywhere in Elixir. Let’s look at why they’re needed and how to create them!
German Velasco
June 18, 2018
Organize your functional code

When coming to a functional language, I often hear people ask, “How do I organize my code?” Let’s take a look at some ways in which data can tell us how to organize our modules and functions.
German Velasco
March 19, 2018
Querying an Embedded Map in PostgreSQL with Ecto

Structs and maps are easy to work with in Elixir, but if they are stored in the database as JSON and accessed via an Ecto Schema, it’s not as clear how to query them. We’re going to explore how to do that, and make it clear and easy.
David Bernheisel
March 9, 2018
- Ecto
- Map
- Embeds One
- PostgreSQL
- JSON
- Elixir
- Query
- Web
Why Ecto's Way of Storing Embedded Lists of Maps Makes Querying Hard

You can use PostgreSQL’s JSON data types to store embedded data on Ecto models. But the way Ecto tells you to store it might not be the best way.
Jon Yurek
February 16, 2018
- Elixir
- Ecto
- PostgreSQL
- JSON
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