Reduce, Reuse… Refactor: Clearer Elixir with the Enum Module
“When an operation cannot be expressed by any of the functions in the Enum module, developers will most likely resort to reduce/3.” From the docs for Enum.reduce/3
brian-underwood.blogs
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Latest posts
Let Your Database Update You with EctoWatch
Elixir allows application developers to create very parallel and very complex systems. Tools like Phoenix PubSub and LiveView thrive on this property of the language, making it very easy to develop functionality that requires continuous updates to users and clients.
Lifting Your Loads for Maintainable Elixir Applications
(This post was originally created for the Erlang Solutions blog. The original can be found here)
Can’t Live `with` It, Can’t Live `with`out It
(This post was originally created for the Erlang Solutions blog. The original can be found here)
How Far Can I Push a GenServer?
I’ve been using Elixir for a while and I’ve implemented a number of GenServers. But while I think I mostly understand the purpose of them, I’ve not gotten the chance to push one it’s limits, scale it up, and find ways to address it’s bottlenecks. I thought that it would be fun to create something to which I could give the URL as part of a presentation and have some confidence that it would be able…
Why I Love Lodash
I love Lodash, but I’m not here to tell you to use Lodash. It’s up to you to decide if a tool is useful for you or your project. It will come down to the needs of the project (file size, browser/Node.js, how much you use it, etc…). But my new team was surprised by my passion for it and so I wanted to share my thoughts. Specifically: I want to focus in this post on those things which I like,…
Structuring an Elixir+Phoenix App
I’ve mix phx.new ed many applications and when doing so I often start with wondering how to organize my code. I love how Phoenix pushes you to think about the different domains in your app via generators while at the same time I have the freedom to organize modules on my own. Ecto schemas make for a nice abstraction, but where should I put code related just to that table? It could be in the…
Expecting the Unexpected in Elixir
What can a 50 year old cryptic error message teach us about the software we write today?
Analyzing Ruby Code with Neo4j
For a long time I’ve been wanting to use Neo4j as a tool to analyze Ruby code. Using Ruby for almost a decade, I have a lot of experience with effectively finding my way around Ruby code. Still Ruby programs can by very dynamic and thus tools are always welcome. As I’ve begun to use Neo4j I’ve been inspired by code analysis tools such as joern and jQAssistant as well as Aaron Patterson’s…
GraphStarter: Getting a Neo4j Rails app up and running quickly
For a while now I’ve been building various Neo4j.rb educational resources using the example of an asset portal. There has been: