This week's Ruby news, issue 340

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• Senior Ruby on Rails Developer at Catawiki (Amsterdam or Assen)Catawiki’s mission is to make special items available to everyone. We offer a unique opportunity to join our team in Amsterdam or Assen developing products and services used by our millions of customers. Catawiki
• Senior Backend Developer (f/m) at Wimdu - BerlinWe're seeking a creative, hands-on, innovative problem solver who's eager to take on new challenges in a fast paced environment.  Wimdu
• Shopify + Kit: Hiring in the Bay AreaWe’re building a 🤖 that makes our merchants more successful. 🎉 Join us: let’s take AI and chatbots to the next level. 🚀 Shopify

Can't find the right job? Want companies to apply to you?Try Hired.com.

In brief

• ActiveRuby: A Commercially-Supported, Quality-Assured Ruby Distribution news
  Coming soon and seeking early adopters. 
  ActiveState
• Google App Engine Adds Support for C#, Node, and Ruby news 
  Paul Krill
• Ruby 2.4 Has Optimized String's lstrip and strip Methods for ASCII Strings news 
  Chirag Shah
• How do you stop ops from stealing your dev time? 
  Sign up to OpsCare for fixed-price, monthly Rails support for less than $1 per hour and ensure your app is online and doing what you expect. 
  Reinteractive   Sponsored
• Prototypes in Ruby and The Strange Story of 'dup' tutorial
  The differences between dup and clone along with what can be safely duped and cloned. 
  Robert Pankowecki
• Faster Rails: How to Check if a Record Exists tutorial 
  Igor Šarčević
• Handling SSL in Rails Staging and Production Environments tutorial
  This solution uses Nginx to forward the appropriate headers. 
  eLitmus Blog
• Testing Third Party Interactions tutorial
  Various approaches to testing out the pieces of your app that use external services. 
  Joël Quenneville
• Using Google Spreadsheets from Ruby tutorial 
  Phil Nash
• Using Database Replicas in Rails with the Octopus Gem tutorial 
  Omar Qunsul
• A Rubyist's Guide to PostgreSQL's EXPLAIN tutorial
  It displays the execution plan Postgres’s planner generates for an SQL query. 
  Starr Horne
• Rails String Interpolation Can Lead to Remote Code Execution tutorial
  How two engineers at Airbnb executed a shell command via JSON. 
  Brett Buerhaus
• Lightning-fast SSD Hosts for Your Ruby Project tools
  Host Ruby 2.3.0 projects on Linode servers - the fastest cloud hosts available. Use promo code RUBY20 and get $20 credit. 
  linode   Sponsored
• Automatic LetsEncrypt SSL Certs on Heroku tools
  A complete solution for securing a Rails app on Heroku using their free SNI-based SSL and LetsEncrypt. 
  Pixie Labs
• Patme: Elixir-Style Pattern Matching for Ruby Methods code 
  Dmitrii Krasnov
• Rack::Freeze: Thread-Safe Rack Middleware code
  A policy for enforcing immutable middleware in your Rack stack. 
  Samuel Williams
• unibits: Visualize Different Unicode Encodings in The Terminal code 
  Jan Lelis
• SmarterCSV: A Ruby Gem for Smarter CSV Handling code
  For smarter importing of CSV Files as Array(s) of Hashes. 
  Tilo