Articles

The Team Refactor Meeting

April 11, 2022

With everything we have to do, is another meeting necessary? It is if you want to engage your engineering staff and taking ownership over the product they work on.


Elixir Processes: Testing

June 27, 2020

Thinking in processes is already difficult; writing automated tests for those processes shouldn't make it worse. Elixir provides the necessary tooling to ensure your processes are rock solid. This article explains how to use them.


Elixir Processes: Observability

May 29, 2020

Observability in most programming languages is really just guesswork, but Elixir gives you the tools to know exactly what's happening in your processes and applications. This article shows you how.


Elixir Processes: Linking and Monitoring

April 16, 2020

Erlang's motto is "Let it crash." But what then? What do you do with a dead process and how do you even know it's passed on? Linking and monitoring is the answer, but which one do you choose and when? Let's find out.


Elixir, Poolboy, and Little's Law

March 14, 2020

Most programming languages use thread pools to improve performance; in Elixir, we use them to constrain our applications. In this article, we explore both why and how to do that with the excellent Poolboy library.


Elixir Processes: Spawn, Send, and Receive

December 8, 2019

All of OTP is built on a handful of process primitives. In this article, we'll explore three in particular – spawn, send, and receive – to see how they work together.


Understanding Elixir's Broadway

October 21, 2019

Broadway is Plataformatec's fourth attempt at streamlining the retrieval and processing of data in Elixir. This article gives you a glimpse into that journey, provides a deeper understanding of the library, giving you everything you need to build your own Broadway application.


Elixir Telemetry: Metrics and Reporters

September 2, 2019

For measurements to be valuable, they must be collated into metrics. Elixir's Telemetry.Metrics library enables us to aggregate measurements from functions and processes into valuable metrics to aid us in making decisions about our projects.


Just Enough Erlang

August 1, 2019

Erlang can be an intimidating language, but it doesn't have to be. This article explores the more common features with the goal of enabling you to more easily include Erlang libraries in your Elixir projects, and to read and understand the documentation.


The "How"s, "What"s, and "Why"s of Elixir Telemetry

June 24, 2019

It's commonly quoted that 'What gets measured gets managed,' but how do you do that? Elixir's Telemetry library enables you to stop worrying about *how* to capture your system's data and more time thinking about *what* data to capture.


The Google Fast

May 9, 2019

Is there anything to be gained by not using search engines? Do we rely on them too much and think too little?


Elixir Protocols

March 31, 2019

A look into what Elixir protocols are, why we should use them, how to implement a protocol on a struct or type, and finally how to create our own.


My System for Rating Books

February 17, 2019

Literally a exposition of what parameters I consider for rating a book on a 1-5 star scale.


Phoenix Templates: Rendering and Layouts

January 1, 2019

In this article we look at how to render templates from within Views, Controllers, and even other Templates. We also look at how to work with Layouts and Nested Layouts.


Phoenix Templates

December 16, 2018

A look at why Phoenix templates are so performant and an introduction into how to build them.


Getting Acquainted With Elixir's Plug Library

November 19, 2018

At first glance, web development seems overwhelmingly complex. Elixir's Plug library's simplicity reveals just how simple the web really is.


Just Five Minutes

November 4, 2018

It's just five minutes. What could you possibly achieve in that amount of time? More than you'd believe.


Effective Code Reviews

October 31, 2018

Code reviews are the most important activity a development team can incorporate to drive down bugs, share knowledge, and increase development speed.


More Than 1:1 With Elixir's Genstage

August 4, 2018

Most articles and documentation show Elixir's GenStage to communicate between stages in a 1:1 fashion. It can be so much more


CSRF Protection and Ruby on Rails

November 28, 2017

CSRF errors can be a pain to work with. Rather than skipping them, learn how to avoid the errors and ensure the security of your site.


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