This week's Ruby news, issue 330

Jobs

• (Senior) Full Stack DeveloperRoadtrippers is looking for creative problem solvers to write code that simplifies travel planning and discovery. Roadtrippers
• Senior Ruby/Rails Developer at BackerkitJoin our team and work on exciting, uncharted territory in the world of fulfillment and crowdfunding. Backerkit

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

In brief

• Ruby 2.4 Adds Set#compare_by_identity & compare_by_identity? Methods news 
  Chirag Shah
• Coderbyte Ruby Quiz #1 news
  The first in a series of coding quizzes. Can you figure out what the code does? 
  Daniel Borowski
• Want a Less Buggy Ruby App? 
  Rollbar detects when code breaks in real-time and provides the source code & state to help you defeat Ruby errors. 
  ROLLBAR   Sponsored
• Run Structure and Data Migrations Cleanly with Systematize tutorial
  How you can shuffle your data and structure migrations; aligning them to run in the order they should. 
  Hackernoon
• Intro to Ruby Coercion Protocols tutorial
  Avoid using #is_a? and keep your library open for extension. 
  Luca Guidi
• Backing up Route53 with Ruby and Lambda tutorial
  An example of using Ruby (with native gems!) on AWS Lambda to perform a recurring task. 
  Henning Kristensen
• The += Operator Appears to Modify a Frozen String? tutorial
  In reality, += doesn’t do quite what the questioner suspects. 
  Stack Overflow
• Asynchronous Queries in Ruby tutorial
  Use RxRuby to get callback-like functionality (a la Node). 
  Gaurav Singh
• Escaping Characters in Ruby tutorial 
  Tom de Bruijn
• Implementing Soft Deletes From Scratch tutorial 
  Patrik Bóna
• How To Spy on Your Ruby Methods tutorial
  Use TracePoint to capture method call and return values in your code. 
  Jesus Castello
• Event Sourcing in Fewer Than 150 Lines of Code tutorial 
  Miroslaw Praglowski
• Programming in the Small: Kids, Chickens, and Ruby video
  This video from RubyConf 2016 covers of all things, building a chicken coop monitoring system in Ruby. 38 minutes. 
  Coraline Clark and Jason Clark
• Creating Periodic Tasks with sidekiq-cron video 
  Drifting Ruby
• 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
• A Rails Security Checklist tools
  A variety of points to consider. Your own additions are encouraged. 
  Eliot Sykes
• Field Test: A/B Testing for Rails code
  Includes Bayesian statistics and a dashboard. 
  Andrew Kane
• PpSql: Pretty Printing of SQL code 
  Mike Belyakov
• google-assistant-ruby: Create Google Assistant Actions in Ruby code 
  Aaron Milam