I Built a Roblox Game Just to Try
I spend my days in Ruby, Elixir and Emacs. On a whim I tried building a Roblox game in Luau, and found a real, typed, test-driven codebase hiding behind the ...
Recent Posts
Writing a DSL in Ruby
An internal DSL is just Ruby that reads like a little language of its own. RSpec, Rake and Sinatra are all built this way. Here’s how to build one yourself, ...
Straightforward Auth in Phoenix, 2026 Edition
Back in 2016 I left myself a note: for simple auth in Phoenix, skip Pow and hand-roll it like the book shows. Ten years later the honest answer is different....
Blocks, Procs, and Lambdas in Ruby
Blocks are everywhere in Ruby: every each, map, and File.open relies on them. Treat blocks, procs and lambdas as one idea and the iterator methods you use da...
How Ruby Finds a Method
Every method call in Ruby is a search. Once you can see the chain the interpreter walks (modules, prepends, singleton classes, super), the object model turns...