3 Approaches to Solving the New Year Chaos Logic Problem
Software engineer, Jonathan Walters, breaks down three approaches he took to solve the New Year Chaos logic problem from HackerRank.
Continue Reading My Favorite Functions and Patterns: Function Clauses in Elixir
Elixir is far too generous. I realize how cossetted I am when I go to use function clauses in JavaScript. Because you can’t do that. I personally detest if statements, along with case — perhaps to a fault. Function clauses redeem me. Why? Because there is lawtable by which I abide: Let the complexity of […]
Continue ReadingElixir Releases: Moving Past Elixir 1.8 and Distillery 2.0
Elixir 1.9 has been released with built-in support for releases, a need that was previously served (and continues to be) by the Distillery package.
Continue ReadingHow to Delegate with Defdelegate
Software engineer and Elixir pro Bryan Joseph explains how to delegate functions to another module with a secret weapon, also knowns as defdelegate.
Continue ReadingElixir Releases and Docker Multi-Stage Builds on Kubernetes
At Revelry, we’ve recently changed how we deploy Phoenix / Elixir apps onto Kubernetes. We’re using a new feature of Elixir called “releases” alongside a Docker feature called “multi-stage builds.” The result is that we are making smaller and more secure Docker images than with our previous approach.
Continue ReadingNodeJS, an Elixir Library for Calling Node.js Functions
Having this Elixir-to-Node bridge allows us to use a tried-and-tested JavaScript library for our app while we get our Elixir client off the ground.
Continue ReadingMonitoring Phoenix Applications and Recording Metrics
At Revelry, we are heavy users of DataDog so this solution leans heavily into putting metrics there.
Continue ReadingSelf-Documenting Code is Real with Elixir Macros
Rather than using code comments, which are removed at compile-time, Elixir uses attributes for documentation, which are not removed. That has some very nice implications when you’re writing macros that define functions.
Continue ReadingTypes of Pattern Matching in Elixir
There are various ways to define the shape of the data you expect. This post shows the various forms pattern matching can take in Elixir.
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