Programming

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Can you solve Gotta Snatch'Em All in Elixir? Improve your Elixir skills with support from our world-class team of mentors.

A lesson in database design and using correct solutions

I recently read part of a pretty awesome book called Let Over Lambda by Doug Hoyte. Full of nice examples, wisdom and funnily opinionated remarks. I was also working on a personal project involving a couple of libraries where I suddenly saw how I could use one of the first patterns explained in the book. Let Over Lambda In lisp and lisp like languages you can rely on lexical binding to manage scope in a way that is for today's standards (at least to me) intuitive.

Explore planned Permit updates including Absinthe integration, Phoenix scopes, policy visualization tools, and static rule validation enhancements.

Explore Permit 0.3 updates, Phoenix LiveView support, and the new Absinthe integration for GraphQL APIs presented at ElixirConf EU 2025.

When deidentifying sensitive data, is it better to remove names or to replace them with randomly generated names?

Why didn't Phoenix take off? I ask whether contexts killed the momentum.

Tony Hoare introduced Null references in ALGOL W back in 1965 "simply because it was so easy to implement", says Mr. Hoare. He talks about that decision considering it "my billion-dollar mistake".

Beginners are always overthinking yet, but it doesn’t need to be confusing

Hey, everyone. It's another weekend, and I was exploring what to build. So I decided to build a simple yet completely functional load balancer. Let's discuss it in this post.

Discover how DSL-based OpenAPI specs hurt productivity, complicate AI use, and why plain YAML is a smarter choice for documenting REST APIs.

In this post, we dive into how to deploy Phoenix applications using Kamal.

Andy Jones personal website

Don't reinvent the wheel - use what HTML gives you!

Immersive, project-based adventure that reimagines the classic Northwind database.

A visual tour of how `phx.gen.auth` looks to the user, what the core schemas/contexts look like, and I'll sprinkle in some personal commentary as we go.

How to test for leap years (until year 102499) in the proleptic Gregorian calendar with just three 32-bit instructions, with detailed explanation of the bit-level tricks.

Find out how you can implement a local RAG system in Elixir.

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.

An introduction to `rag`, a RAG library for Elixir.

This game was a highlight at Code BEAM Lite London and Code BEAM America. For those attendees lucky enough to experience AstroBEAM, Hernán Rivas Acosta...

It can be hard to keep tests asynchronous as Elixir applications grow in size and complexity. Let's see why, and explore fixes.

Another follow up to Gergely Orosz’ interview of Prof.

I think I'm finally done dicking around with man pages.

Using the Library of Congress as a data source and parsing XML.

A comprehensive guide to choosing between structs and embedded schemas in Elixir, with practical examples and best practices