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A while back, I had to process millions of database updates in a legacy system that was already hitting its 64 GB RAM limit, so scaling t...
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I am seeing a lot of aplications of Argumentum ad Vericundiam in software discussions. They do link some piece of writing and point us to...
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How I used Duckdbex to go from 35 seconds to sub-second latency on 75M+ data points.
Duckdbex is an Elixir library that embeds the C++ D...
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I’ve published a new article in my Elixir learning series on dev.to exploring module attributes - the compile-time annotations and consta...
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The Phoenix framework is notorious for its long term stability and dependability. Unlike most comparable projects, the Phoenix team activ...
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This Week's Trending
I am seeing a lot of aplications of Argumentum ad Vericundiam in software discussions. They do link some piece of writing and point us to...
New
The Phoenix framework is notorious for its long term stability and dependability. Unlike most comparable projects, the Phoenix team activ...
New
How I used Duckdbex to go from 35 seconds to sub-second latency on 75M+ data points.
Duckdbex is an Elixir library that embeds the C++ D...
New
Continuing my distributed systems learning series with raw Elixir processes.
02 - Correlated Request Reply
This one explores make_ref/0...
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A long-running process in my system owns a unit of work and everything it creates is scoped to that process’s id. When the process rotate...
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I’ve been working on a service for syncing my static blog posts to atproto’s standard.site lexicon, annot.at, which amongst other things ...
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I’ve published a new article in my Elixir learning series on dev.to exploring module attributes - the compile-time annotations and consta...
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This Month's Trending
Hey folks,
I just published a post about Hologram’s funding and where the project goes next - the short version:
Curiosum as Main Spons...
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Hi all,
In this article, I make the case for each test owning its setup.
Usually I forbid my AI agents to use the setup callbacks; I mu...
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As I’ve leaned into AI code generation on LocalCents, the volume I ship has climbed, and my worry shifted from any single change to the l...
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I wrote about an issue I had with a LiveView application, and how I solved the problem by debouncing updates server-side (within the Live...
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I’ve published a new article in my Elixir learning series on dev.to exploring what happens when tagged tuples aren’t enough - the try, re...
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This article demonstrates how to build a minimal stateful process using only Elixir’s core concurrency primitives: spawn/1, send/2, recei...
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I recently figured out how to the the Rust hotpath profiling crate running in an elixir benchmark script (for profiling NIFs). I had some...
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A recent ex_money v6 upgrade was blocked because Timex pins an old gettext. Rather than one big remove-and-rewrite PR, I used a shim: a m...
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Doing a little mini-series on distributed Elixir with some examples, starting with setting up your cluster and monitoring it. If you have...
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I’ve published a new article in my Elixir learning series on dev.to exploring modules - the labeled containers that group related functio...
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I’ve previously written about highest random weight. This post is a part of the distributed Elixir series that started with Cluster 101, ...
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This Year's Trending
TL;DR:
Good: AI is great at Elixir. It gets better as your codebase grows.
Bad: It defaults to defensive, imperative code. You need...
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I’m closing out, for now, my series on questions at the heart of development with an analysis of when we need more abstraction. For exam...
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If I need to ship a new product in a week, Phoenix LiveView is my go-to framework.
Elixir LiveView is incredible, and an alluring choice...
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I wanted to write down some of the main guides I use when writing Elixir tests, so I have summarised them in blogpost.
Furthermore, I th...
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I ran Symphony through Giulia, here’s the AST analysis.
Yesterday, OpenAI open-sourced Symphony — an autonomous agent orchestration fra...
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I’ve been bumping into some rough edges recently with Elixir dependencies that use app config and start their own supervision trees and I...
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Seriously, what do we do with logs in Elixir? There is seemingly no way to make them good both in dev and prod. This is especially notice...
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A long-running GenServer holds orders, positions, strategy state, and operational flags for a system trading real capital. The post walks...
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Hi, I recently thought about a name for this Stack: Rust + Elixir + Phoenix. I came up with Runix (RuNix) and blogged about it on Medium....
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I didn’t have room for this in my book, Advanced Functional Programming with Elixir , but I still thought it was worth sharing on my blog.
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It is a strange time. I personally have seen a lot of people produce very high quality code using AI - code that is well factored and tes...
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I’ve been writing LiveView since 2020. In that time, I’ve seen the same three form mistakes at multiple companies. Here’s what they are a...
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A new article showcasing some of Oban, and Oban Pro’s, distinct agentic workflow abilities.
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More optics in Funx: when you need multiple foci, use a traversal.
Includes a Livebook
<span class="hashtag-icon-placeholder"></span>...
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Hey everyone, I realized I should post this here.
I put some cycles into achieving a really clean deployment process using NixOS modules...
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Trending Last Three Years
Hi! :waving_hand:
I wanted to refresh my knowledge on how to mix phx.gen.auth with local password users db, as well as OAuth providers s...
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We all have varying degrees of exposure to Big Tech. Some of it seems fine, stable and can be relied on. Some of it feels like shifting s...
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One of the Erlang ecosystem’s spiciest nerd snipes are hot code updates. Because it can do it. In ways that almost no other runtime can.
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Elixir is a great language, but some behavior can be unintuitive, confusing and in the worst case lead to bugs. So, I took a look at 10 E...
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Just wrote a new blog post about how to deploy a Phoenix app using Kamal 2. Check it out and let me know what do you think:
https://blog...
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A comprehensive guide for deploying Phoenix 1.8 applications using Coolify on Hetzner servers. Covers server setup, Coolify configuration...
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How the Elixir community can survive — and thrive — in an age of LLMs.
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In this article, we discuss how to create a Docker image for a Phoenix application.
https://t0ha.ru/en/devops/elixir/2023/11/10/how-to-b...
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Use the new log handlers to plug Slack or any other provider into your logging system.
https://rlopzc.com/posts/integrate-slack-into-the...
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This post explores different ways to do test automation in Elixir, focusing on how to handle dependency injection — covering patterns, li...
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In this post I explore the silos that exist in the Elixir ecosystem, the pros and cons, and what we can improve.
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I ran into an interesting problem recently where simple concurrency on the BEAM via Task.async made my application a lot slower and a lot...
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Learn how to leverage Erlang + Elixir’s GenServer to build a robust FTP Client.
https://rlopzc.com/posts/elixir-ftp-client-genserver-par...
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How to set up the Content Security Policy header with Phoenix LiveView and support inline styles and scripts with CSP nonces.
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Phoenix LiveView v0.20.4 offers a hidden gem with its handy little JS.toggle_class/1 feature. This addition simplifies toggling classes f...
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Trending Over 3 Years
Update:
How to use the Blogs & Podcasts section
You can post links to your blog posts or podcasts either in one of the Official Blog...
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How to use the blogs section
You can post links to your blog posts either in one of the Official Blog Posts threads (like this one), or, ...
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Please use this thread to post Elixir related podcasts you find or create :smiley:
Or, if you run a podcast yourself, you can now have a...
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I had a bit of a mini-adventure following Sobelow’s advice on adding a CSP to a Phoenix App. If you want to follow along, or want to add ...
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An infographic that compares Erlang, Elixir, and Go’s strengths in the respect to the programming languages’ concurrency, reliability, sc...
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https://medium.com/blackode
This article comprises of two biggest changes of ExUnit.
Arguments in the failure report
Running mix tes...
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Season four of the Elixir Wizards podcast launches today! This season we’re focused on system and application architecture. We’ll be doin...
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Support for AlpineJS in LiveView was added in 0.13.3 and it works fabulously. I just wrote a blog article about it and plan another one s...
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Our very handsome and humble José Valim (@josevalim) just published Kubernetes and the Erlang VM: orchestration on the large and the sma...
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There are 3 main formatters for Erlang which you can use from the command-line,
rebar3_format,
Steamroller
elmfmt.
Visual Studio Code’...
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Testing is an important part of any modern piece of software. But writing tests can quickly become an exercise in frustration, with tons ...
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Does the world need another How to create a blog article?
Maybe not.
But then again, creating something out of nothing is what we love....
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This is an overview of different ways to try and kill an OTP process (in Elixir) and the behaviour to expect when that happens. I know th...
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Hello all!
I wrote a blog post called Elixir Observability: OpenTelemetry, Lightstep, Honeycomb. The post post covers how to integrate ...
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Hi there!
Recently I was playing around with extracting and updating data in the DB and for fun challenged myself to try to implement a ...
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