Ruby Weekly Issue 369: October 5, 2017

Ruby Weekly

Issue 369 — October 5, 2017

Robert Pankowecki

Could We Drop Symbols From Ruby?

A potentially controversial thought experiment here. Could symbols simply be replaced by frozen, immutable strings?

Ruby Dev Summit

Ruby Dev Summit: A Free Online Event for Rubyists

It takes place October 16-21 and has a lot of great speakers including Matz and Michael Hartl (of Rails Tutorial fame).

Redisgreen Sponsored

Redis 4.0 now on RedisGreen

Redis 4.0 is out and available on RedisGreen with full visualization of your memory usage and top-tier performance.

Daniel Westendorf

get_schwifty: Render Portions of Rails Views in a Background Job Queue

The idea is that slow view partials can be rendered asynchronously in the background and delivered over ActionCable.

Chris Salzberg

Rediscovering Modularity in Ruby

A story about modules, Matz, and Ruby set in the context of RubyKaigi 2017.

GitHub

'ubygems.rb' Removed from Ruby Core

‘ubygems.rb’ was present so that the command line option -rubygems would work. It has now been removed as RubyGems will always be loaded anyway.

Kelly Sutton

Embracing Functional Programming in Ruby

Using functional constructs in Ruby to create expressive interfaces that are easy to test and handle change well.

Jobs

Senior Ruby EngineerNetwork for Good is in growth mode and is looking for a Senior Ruby Engineer who desires both technical challenges and creating code for good (not evil :-)). Network For Good
Ruby on Rails Full Stack Engineer (California, USA)The Apple Media Products Engineering team is looking for a software engineer to build and enhance algorithmic quality evaluation tools. Apple
Full Stack Rails Engineer (Remote in US, Canada, Brazil)Help us make the hiring process better for 100m+ job seekers across the globe. Work on product, scalability or internal tools. Interviewed (acquired by Indeed)

In brief

Announcing Hanami V1.1.0.beta3 news
Luca Guidi
Surrealist: A Gem to Serialize Ruby Objects According to a Defined Schema tutorial
JSON serialization based on a user-defined schema that includes the ability to use dry_types.
Nikita
Create a Ruby App with Web Apps on Linux tutorial
Create a Ruby on Rails application you then deploy it to Azure as a Web App on Linux.
Microsoft Sponsored
How to Program Vim Using Ruby tutorial
If you’ve compiled Vim with Ruby then you can avoid using Vimscript and modify the editor using your favorite language.
Gabriel Poça
Perusing delegate.rb from Ruby’s Standard Library tutorial
Eliav Lavi
Accessing Hash Values with Fallbacks for Missing Data tutorial
Thoughtbot
One Simple Trick to Make Event Sourcing Click tutorial
Separate the public interface from the private consequences of the event.
Arkency Blog
Some Interesting Methods and Behavior with Arrays in Ruby tutorial
Sergii Makagon
Ruby 2.4 Has Optimized Enumerable 'min' and 'max' Methods tutorial
Chirag Shah
Considering Performance and Unique Validations in Rails tutorial
Igor Khomenko
Ways to Check Which Ruby Version You're Using tutorial
Robert Pankowecki
Daily Fantasy Football Salary Tracker with Ruby and Twilio SMS tutorial
In this post we’ll show you how to build a price tracker for your favorite fantasy sports site with Ruby.
Twilio Sponsored
A Reddit AMA with the Authors of 'Effective Testing with RSpec 3' story
Myron Marston and Ian Dees answered lots of questions earlier this week.
Reddit
How A Lifelong Rubyist Made Some Python Code 5x Faster story
Richard Schneeman
What I Learned After Going 18 Months Without Rails story
Love Rails, hate Rails, leave Rails, truly understand Rails. Rinse. Repeat.
Wojciech Maciejak
Don’t Use default_scope. Ever. Here's Why. opinion
Andy Croll
Expert’s guide: Should I hire Ruby DevOps or Outsource to a Provider?
Engine Yard Sponsored
Recommended Ruby and Rails Books for Experienced Developers tools
Prograils
render_async 1.0: Render View Partials Asynchronously via Ajax code
Rendered Text
Virtualearth: Bing Maps API Wrapper code
API wrappers for the Locations, Elevations, Imagery, and Routes APIs.
Andrey Zinenko