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Namespaces 101

Introduction

Ruby has recently merged namespaces as an experimental feature that is disabled by default, as of this writing.

This is a non-trivial development driven by @matz himself, and mainly implemented by @tagomoris, who just became a Ruby committer (🎉).

The feature has been cooking for a long time, with a first ticket opened a couple of years ago (#19744) and a revised one opened just last week (#21311).

You MUST NOT try and generate a Rails app from scratch on your own by generating each file. For a NEW app you MUST use rails new first to generate all of the boilerplate files necessary.
Create an app in the current directory with rails new .
Use Tailwind CSS for styling. Use --css tailwind as an option on the rails new call to do this automatically.
Use Ruby 3.2+ and Rails 8.0+ practices.
Use the default Minitest approach for testing, do not use RSpec.
Default to using SQLite in development. rails new will do this automatically but take care if you write any custom SQL that it is SQLite compatible.
An app can be built with a devcontainer such as rails new myapp --devcontainer but only do this if requested directly.
Rails apps have a lot of directories to consider, such as app, config, db, etc.
Adhere to MVC conventions: singular model names (e.g., Product) map to plural tables (products); controllers are plural.
Guard against incapable browsers accessing controllers with `allo

# In your Gemfile
gem "localhost"

# Then, depending on your desired server
gem "falcon"
gem "puma"

PostgreSQL is Enough

Background and Cron Jobs

`$HOME`, Not So Sweet `$HOME`

Preface
1 What is $HOME to you?
2 Setup
- 2.1 Linux
2.1.4 xdg-user-dirs

	import {Controller} from "@hotwired/stimulus"

	// Warns if form fields have unsaved changes before leaving the page.
	// Changes are stored in Session Storage to restore un-warnable events
	// like using the back button
	//
	// To use:
	// <form data-controller="unsaved-changes">
	// <input type="text" name="name" data-unsaved-changes-target="field">
	export default class extends Controller {

	Before:
	<%= render Admin::HeadingComponent.new("Hi") %>

	After:
	<%= c.heading "Hi" %>

	# frozen_string_literal: true

	require "bundler/inline"

	# Inline Gemfile for dependencies
	gemfile(true) do
	source "https://rubygems.org"
	gem "benchmark-ips"
	end

	class BaseClient
	class APINotFound < StandardError; end

	attr_reader :auth_strategy

	def initialize(auth_strategy: :headers, headers: {})
	@auth_strategy = auth_strategy
	@headers = headers
	end

	def search
	@pagy, @bookmarks = if params[:search].present?
	pagy(@bookmarks.search(params[:search]), params: ->(params) { params.merge!({search: params[:search]}) })
	else
	pagy(@bookmarks)
	end
	end