Musings of a startup junkie and Ruby on Rails nerd.

Welcome to Millarian! I write about web development, Ruby on Rails, consulting, and the occasional startup lesson learned the hard way.

Shrink Your Expo Android App Size with R8

R8 is off by default in Expo. Turning it on cut my Android download from 27.5 MB to 17.3 MB.

how-to javascript react-native android

Supabase RPC Silently Capped at 1000 Rows (PostgREST)

PostgREST's max_rows cut my RPC result off at 1,000 rows with no error. Returning one row per group fixed it.

gotchas postgres supabase

Expo Android Status Bar Icons Invisible in Light Mode

White status bar icons on a white background? Render expo-status-bar once in the root layout.

gotchas react-native android

Rails titleize Breaks Names, Hyphens, and Apostrophes

titleize splits McAllen, drops hyphens, skips capitals after apostrophes, and chops ALL-CAPS words around acronyms. Here's a safer way to recase text.

rails ruby gotchas

Catching Rails Credential Drift Between Environments

Rails ships no check that your credential files declare the same keys. We built credential_parity to catch the drift before it reaches production.

rails ruby open-source

EncryptedConfiguration#key? Missing Before Rails 7.1

delegate_missing_to turns a missing predicate into a confusing ArgumentError, not a NoMethodError.

rails ruby gotchas

Requiring an ActiveSupport Leaf File Breaks on Rails 7.1

require 'active_support/x' alone raises a deprecator NoMethodError unless the parent library loads first.

rails ruby gotchas

Turbo Streams Instead of Nested Forms

When the parent already exists, you probably don't need a nested form at all

rails javascript how-to

Nested Forms in Rails 8: Life After Cocoon and Webpacker

accepts_nested_attributes_for still works. A small Stimulus controller handles the rest.

rails javascript how-to

Building a Pluggable Adapter Architecture in Ruby

How to design a gem with zero hard dependencies and user-selectable backends.

ruby docpdf open-source