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Elixir Radar Newsletter
Issue #528
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This issue is brought to you by Code BEAM Europe 2026 ...
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21-22 October, Haarlem, Netherlands & Online + training day on 20 October.
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The BEAM community's flagship European conference is back. This year José Valim keynotes with "Set-Theoretic Types from Scratch", building Elixir's new type system live, from the ground up, with extended time for Q&A + Sam Aaron and Brooklyn Zelenka delivering keynotes on Day 1 & 2.
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Two full days of Elixir, Erlang and Gleam talks and hands-on tutorials. Come and join!
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Zach Daniel introduces temporal resources, a new experimental Ash feature to read and write data at any point in time, even in the future, with one as_of option.
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How do you build a long multi-step form where users can leave and come back later without losing their progress? Dean Kinyua shows his approach with Phoenix LiveView and Ecto: a changeset per step, a draft saved on every step, and the current step kept in the URL.
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Elixir Patterns -
Sponsor
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Learn recipes and patterns specific to Elixir/OTP and leverage the power of the BEAM. Some examples: cron jobs with GenServer, hydrating ETS from DETS, delegating work with supervision trees, and dynamic rate limiting.
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Mike Zornek shares why he prefers phoenix_test for Phoenix feature tests. He compares it with LiveViewTest, covering things like writing a whole user story as a single pipe, filling in forms by their labels, and getting more useful failure messages.
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Krishnadas is back with part 5 of his series on distributed systems in Elixir. He builds a one-for-one supervisor from scratch with just spawn/1, spawn_link/1, Process.flag/2, send/2, and receive/1.
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Brian Meeker once found the same PubSub event broadcast from three modules, each with a different payload. Not good, right? Inspired by Phoenix verified routes, he shows a proof of concept that catches invalid or unhandled messages at compile time. Still a POC, but cool idea!
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Nutrient - Fully remote and async-first
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We’re looking for a backend engineer passionate about building robust and scalable systems, excited about working with modern cloud technologies and distributed systems to power our Document Engine and SaaS products.
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October 21-22 / Haarlem, Netherlands & Virtual
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November 12-13 / Austin, USA
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May 20-21, 2027 / Curitiba, Brazil & Virtual
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Understand financial markets using Elixir, so you can analyze your own portfolio and investments.
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As always, thanks for reading Elixir Radar!
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-- Hugo
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