Programming

There are some helpful techniques you can employ to help you and your coworkers when writing long changeset functions. It's hard to remember what's required, optional, and defaulted. DB-generated UUID

Recently in a Phoenix project I needed to use a UUID column to represent an external identifier. I had previously used UUID’s with the binary_id field type b...

Learn how to improve the SEO of your pages with future-proof URLs using dynamic slugs and Base62-encoded UUIDs.

Without CSS or JavaScript

Learn about our approach to connecting multiple nodes in Elixir using Postgres

In my last post, I discussed some work I had done building Nero, the assistant of the future that I’ve always wanted. I ended up creating an end-to-end example which used Nx, OpenAI APIs, and…

The tutorial will show you how to make a simple, serverless text-based prediction model based on Jane Austen’s "Pride and Prejudice."

Adam Silver – interaction designer - London, UK

How to segregate commands and queries, and leverage the Commanded library for event-driven architecture, ensuring auditability, time travel, and scalability.

Documentation and guides from the team at Fly.io.

The focus of this article is to demonstrate various ways of registering a GenServer in Elixir so that the server can be discovered and communicated with by sending messages. Elixir runs on Erlang BEAM virtual machine and BEAM nodes can run on a singl...

How I roll my own fixtures logic in ExUnit.

Learn how to create quoted expressions in Elixir using quote and unquote, the basic tools of Elixir macros and metaprogramming

Learn how to use SELECT, FROM, JOIN, WHERE, GROUP BY, HAVING, ORDER BY, OFFSET and FETCH to retrieve data with SQL.

Documentation and guides from the team at Fly.io.

From learning, to prototyping, to production - Livebook can really do it all.

As Yoda would Say - A joke it is not to add slop to a search system.

How to set up Content Security Policy with Phoenix LiveView.

Learn when and how to use GenServer effectively for real-time apps, game servers, and more, with practical examples and use cases.

I wanted to get some telemetry data from a LiveView page.

I did a livestream where I talked about Object Storage. The how and why. The Bad Old Days. And also the neat and interesting stuff just beyond the basics. I figured I'd cover that in text as well.

Let's explore how you can upload from Phoenix LiveView directly to Amazon S3.

A standard Phoenix app contains a priv/repo/seeds.exs script file, which populates a database when it is run, so that developers can work with a conveniently prepared environment.

A fast image processing library with low memory needs.

Programming Adventures with Michał Kalbarczyk