This week's Ruby news, issue 321

Jobs

• RoR Developer- Brentwood, TN (on-site)Would you enjoy building websites and digital experiences in Ruby on Rails that reach millions of people with a positive message every day? We are looking for talented Ruby Developers who want to do Work that Matters. Ramsey Solutions, A Dave Ramsey Company
• Senior Full Stack Engineer - San Francisco, CAHave you ever had a horrible experience at the doctor’s office? One Medical is changing the whole experience. We are looking for senior full stack engineers to join our team in San Francisco and help us change healthcare. OneMedical.com
• Don't Get Frustrated - Get HiredSick of pushy recruiters, and dead end interviews? Try Hired to hear from top tier companies, and only talk to relevant companies. Hired

In brief

• Hash#compact and Hash#compact! Now Part of Ruby 2.4 news 
  Prathamesh Sonpatki
• Ruby Looking Weaker on GitHub Trends? news 
  Greg Baugues
• MySQL with InnoDB now on Compose - hosted on AWS, GCP or SoftLayer 
  Your favorite RDBMS now available with 3 Node HA, Daily Backup and Auto-scaling. Deploy and connect in minutes. 
  Compose   Sponsored
• private_constant: A Way to Make Constants Private tutorial 
  Aaron Lasseigne
• Rails Implementation of a Ranking System using Postgres Window Functions tutorial 
  Patryk Szeliga
• Rails: Track Sign In by Device tutorial
  Create separate logins for each device the user uses which can be tracked and destroyed. 
  Vito Botta
• Scope Wars: Understanding Scoping in Ruby via Star Wars tutorial 
  Malinna Leach
• Ubiquitous Language and The Joy of Naming tutorial
  An example of practices that help you write your code in the language of the business. 
  Andrew Hao
• Things to Know When Debugging Rails tutorial
  What one Rubyist wished he knew when he started with Rails. 
  John Mosesman
• Execute Your Bash Profile When Running System Commands from Ruby tutorial 
  Andrzej Krzywda
• The Esthetics of a Ruby Service Object tutorial 
  Andrzej Krzywda
• Track your errors (without interrupting your flow). 
  We log production problems the moment they happen and let you determine what’s urgent. Try free for 15 days. 
  Honeybadger   Sponsored
• Rails API Authentication with JWT video 
  Drifting Ruby
• An Interview with David Heinemeier Hansson (DHH) podcast
  Only 13 minutes, focuses on DHH’s persona, motivations and honesty. 
  Between | Screens
• Recounting Ruby Rampage 2016 opinion
  One person’s take on their experience during last weekend’s Ruby Rampage hackathon. 
  Jake Johnson
• Why Learning Rails Is Still a Great Choice in 2016 opinion 
  Glenn Goodrich
• Why I Don’t Use let/let! in RSpec opinion 
  Robb Shecter
• ExecJS FastNode: A Faster NodejsS Integration for Ruby/Rails ExecJS tools
  Runs a persistent Node process made available via a UNIX socket. 
  John Hawthorn
• Helpy 1.0: An Open Source Rails Based Helpdesk and Support App code 
  Scott Miller and Contributors
• Keight.rb 0.3.0 Released: A Fast, Lightweight Ruby Web Framework code 
  Makoto Kuwata
• DotExample: Keep Your Project's Environment Variables in Sync Across Your Team code 
  Stephen Mariano Cabrera