Jobs

• Gusto Is Hiring Great Rails Engineers (SF or Denver)Join us to help thousands of small businesses run payroll and offer health benefits, letting them focus on what they do best. Gusto
• Sr. Ruby Platform Engineer @ Netflix (CA)Ever wondered how Netflix picked up Stranger Things or Narcos? Join the team that builds the technologies used by our content buyers. Netflix
• Looking For A New Job In The New Year?Try Underdog.io, where hundreds of the best tech companies go to meet top ruby engineers. Companies email you directly as soon as next Monday. Underdog.io

In brief

• Paris.rb Conf 2018 (June 28-29 in Paris, France) news
  Some great speakers lined up already but you can propose your own talk too. 
  
• Is 2018 the Year to Finally Get Your Rails App Up-To-Date?   
  Depfu  Sponsored
• How Do Ruby and Python Profilers Work? tutorial 
  Julia Evans
• Field-level Rails Cache Invalidation: A DSL Solution tutorial 
  Orban Botond
• Comparing Timestamps in Rails tutorial
  Use ActiveSupport extensions to make working with times and dates easier in Rails. 
  Chris Kottom
• Limit Memory Usage, Fix R14 Errors, and Save Money on Heroku tutorial
  Solid tips on reducing the memory footprint of your Rails app on startup and in production. 
  Paweł Urbanek
• Event-Driven Microservices with RabbitMQ and Ruby tutorial
  How to use RabbitMQ to support an event-sourced architecture with MongoDB. 
  Daniel Battaglia
• The Command Pattern in Ruby tutorial 
  Sihui Huang
• Tip: Do Not Run Rails with Pending Migrations (and How) tutorial 
  Josef Strzibny
• Rails 5.2 Allows Mailers to Use Custom Active Job Classes tutorial 
  Prathamesh Sonpatki
• The Ruby 2.5.0 Feature Nobody Talks About tutorial
  It’s ‘branch coverage’ and I can say I honestly wasn’t talking about it. 
  Alessandro Rodi
• Ruby 2.5 Allows Creating Structs with Keyword Arguments tutorial 
  Prathamesh Sonpatki
• A Simple Introduction to Content Security Policy for Rails tutorial
  In the light of recent vulnerabilities, this is something we should all know. 
  Chase Gilliam
• Mixins in Python and Ruby Compared tutorial
  A detailed look at mixins in both languages with lots of code. 
  Andrew Brookins
• (Another Roundup of) Ruby 2.5's New Features tutorial 
  Christopher Rigor
• Creating Lightweight Tests for an NGINX API Gateway with Ruby tutorial 
  Mateusz Korszun
• Jenkins VS GoCD opinion
  We compared GoCD with Jenkins on philosophy, continuous delivery & plugins. Understand how these CI/CD tools fit your needs. 
  GoCD  Sponsored
• Things I Wish ActiveRecord Had After Using Elixir's 'Ecto' opinion 
  Vladimir Rosančić
• Redmine Security Scanner tools
  If you use the Rails-based issue tracking tool, this tool runs checks to make sure you’re not vulnerable. 
  Planio
• Slow CI Build? Make It Run in 2 Minutes or Less with Boosters tools 
  Semaphore  Sponsored
• Lurn: A Ruby Gem for Machine Learning code 
  Dan Carpenter