Short Ruby Newsletter
Posts
Short Ruby Newsletter - edition 111

Short Ruby Newsletter - edition 111

The one with 2 book launches, tickets available for BrightonRuby, a new release of ruby/json making JSON.dump twice faster

Lucian Ghinda & Neenu Chacko
October 28, 2024

In partnership with

🚀 Launches and discounts
📅 Events
👉 All about Code and Ruby
🧰 Gems, Libraries, Tools and Updates
🤝 Related (but not Ruby-specific)
More content: 📚 🗞 🎧 🎥 ✍🏾

Try the internet’s easiest File API

Tired of spending hours setting up file management systems? Pinata’s File API makes it effortless. With simple integration, you can add file uploads and retrieval to your app in minutes, allowing you to focus on building features instead of wasting time on unnecessary configurations. Our API provides fast, secure, and scalable file management without the hassle of maintaining infrastructure.

Try it now!

🚀 Launches and discounts

🚀 Jason Swett launched their new book Professional Rails Testing

Source: Amazon

🚀 Josef Strzibny announced the second edition of Kamal Handbook

Source: @strzibnyj

🚀 Socket now supports #Ruby in beta!

source: @SocketSecurity

🚀 Jelly: A Better Shared Inbox is open for business

Source: [email protected]

📅 Events

📅 Brighton Ruby announced the tickets are live for BrightonRuby:

Source: @brightonruby

📅 Ruby Conf India shared RubyConf India

Source: @rubyconfindia

📅 Ruby Conf announced a series of speakers, I am adding here one of the announcements:

Source: @rubyconf

📅 Tropical.Rb announced a series of speakers confirmed for the conference and will have the tickets on sale on 30 October

Source: @tropical_rb

📅 Check RubyConferences.org for meetups or conferences happening this week and don’t forget to submit yours if you are organising one.

Why struggle with file uploads? Pinata’s File API is your fix

Simplify your development workflow with Pinata’s File API. Add file uploads and retrieval to your app in minutes, without the need for complicated configurations. Pinata provides simple file management so you can focus on creating great features.

Build now!

👉 All about Code and Ruby

👉 There seems to be some people from the Ruby community creating accounts on BlueSky and starting posting there. In case you think to join, Joshua Wood created a Starter Pack with Ruby and Ruby on Rails people:

Ruby and Ruby on Rails Starter Pack

💻 Code Samples

💻 Dave Copeland shared a code sample about combining rightwards assignment with then:

Source: [email protected]

️💻 Rob Lacey shared a code sample about removing memoization when using memery: A gem for memoization in Ruby

Source: @braindeaf

️️💻 Michael Chaney shared about hash rocket syntax (here is just a part of the big post shared my Michael - read it full on Threadreader):

Source: @MichaelDChaney (read on Threadreader)

️💻 Nate Berkopec shared a code sample to Test your seed file

Source: @nateberkopec

# Source: https://gist.github.com/nateberkopec/46882c217140e46f670085f767cbe748

require "test_helper"

class SeedTest < ActiveSupport::TestCase
  def total_count
    ActiveRecord::Base.connection.execute(
      "SELECT SUM((SELECT COUNT(*) FROM #{ActiveRecord::Base.connection.quote_table_name(t)})) FROM (SELECT tablename as t FROM pg_tables WHERE schemaname = 'public') tabs"
    ).first["sum"].to_i
  end

  def test_seeding_successfully
    ActiveRecord::Base.connection.execute(
      "TRUNCATE TABLE #{ActiveRecord::Base.connection.tables.join(',')} RESTART IDENTITY CASCADE"
    )
    assert_difference "total_count", 1000..Float::INFINITY do
      Rails.application.load_seed
    end
  end

  def test_idempotent
    Rails.application.load_seed
    assert_no_difference "total_count" do
      Rails.application.load_seed
    end
  end
end

R.J. Robinson added a version for RSpec:

# Source: https://gist.github.com/nateberkopec/46882c217140e46f670085f767cbe748?permalink_comment_id=5253019#gistcomment-5253019
require 'rails_helper'

RSpec.describe 'Database Seeding' do
  def total_count
    ActiveRecord::Base.connection.execute(
      "SELECT SUM((SELECT COUNT(*) FROM #{ActiveRecord::Base.connection.quote_table_name(t)})) FROM (SELECT tablename as t FROM pg_tables WHERE schemaname = 'public') tabs"
    ).first['sum'].to_i
  end

  before(:each) do
    ActiveRecord::Base.connection.execute(
      "TRUNCATE TABLE #{ActiveRecord::Base.connection.tables.join(',')} RESTART IDENTITY CASCADE"
    )
  end

  describe 'Seeding the database' do
    it 'seeds successfully' do
      expect {
        Rails.application.load_seed
      }.to change { total_count }.by_at_least(1000)
    end

    it 'is idempotent' do
      Rails.application.load_seed # Initial seeding

      expect {
        Rails.application.load_seed
      }.not_to change { total_count }
    end
  end
end

💻 Jon Yongfook’s fav feature of rails is the before_action callback

source: @yongfook

️💻 ️Ruby Cademy shared tips that helps you make better use of rails console

source: @RubyCademy

Here’s how to clear your terminal screen when running rails console!

source: @RubyCademy

The up_only method in ActiveRecord allows you to create migrations that apply changes to the database schema without the option to roll them back, which can be particularly useful for certain irreversible operations

source: @RubyCademy

Here’s an example of Static Model Pattern in rails

source: @RubyCademy

💻 ️Victor Cobos shared a template for Custom Error Pages | Rails Bytes

source: @elalemanyo

️💻 Dennis Paagman shared a tip for triggering a Turbo preload

Source: @djfpaagman

️💻 Christopher Winslett shared about using Kamal 2 with for a preview host:

Source: @winsletts

💻 CJ Avilla shared a code sample showing how to use retry to wait for a toast:

Source: @cjavilla.bsky.social

💻 Stephen Margheim shared an advice about testing ActiveJob:

Source: @fractaledmind.bsky.social

📐 Thinking about Code Design

️📐 Jp Camara shared a benchmark of Ruby/Falcon vs Bun bench.txt

Source: @jpcamara

📐 ️Michael Chaney warns us about a potential pitfall in Rails regarding the normalizes feature

source: @MichaelDChaney

️📐 Jean Boussier shared about working on a blog post about the new out of band GC:

Source: @_byroot

️📐 Nate Berkopec shared about Minitest:

Source: @nateberkopec

️📐️ Lukasz Reszke shares a couple of drawbacks he noticed on keeping logic outside model

source: @lreszke

📐Last week there was a big discussion about Kamal that started with Javi Ramirez sharing about Kamal a couple of point that they think will make Kamal in danger of not being continued. Here is just the first 2 points (out of 14 points Javi shared - read it all on Threadreader). While reading the pros and cons I ask you to please be kind and appreciate people having an open public debate sharing their personal experiences.