Matheus de Camargo explores how traditional feature flags introduce "temporal redundancy" by re-evaluating conditions that rarely change. He shows how to use Elixir's metaprogramming and BEAM's hot code swapping to eliminate runtime ifs entirely.
Samuel Mullen explores LiveView's async functions: assign_async, stream_async, start_async, and handle_async. He shows how to use each for streaming data, long-running processes, and keeping your UI responsive without fighting the framework.
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Elixir 1.19 now warns when you update a struct without pattern matching first. Zarar Siddiqi explains why this change was needed for the new type system and shows two ways to fix your code.
Adrián Carayol walks through building an ngrok-like tunneling system using Phoenix for the server and Rust for the CLI. He covers multiplexing HTTP requests over WebSocket, Phoenix Channels, and why the BEAM makes real-time systems like this surprisingly simple.
Paul Kinney shows how Nerves, Phoenix, and LiveView come together to build a real-time hardware control system. Using a ball-beam setup, he demos SVG visualizations, distributed RPC for remote control, and Live Dashboard for metrics visualization.
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