Ruby Weekly
Issue 289 — March 17, 2016
Jon McCartie
Uses ‘resolv-replace’, part of the stdlib, to replace the typical DNS resolution process in Ruby, letting you override lookups with a custom hosts file.


Jake Yesbeck
ActiveRecord uses Arel, a relational algebra library, under the hood to put together SQL queries, but you can use it directly for more power.


Lazarus Lazaridis
A Rails app that helps you quickly mock API endpoints and includes a straightforward interface to set them up.


Imgix  Sponsored
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Imgix

Richardson Dackam
Looks at JVM options, how garbage collection works, how to deal with memory errors, and tools specific to the JRuby ecosystem.


Peng Lv
An extension for Microsoft’s free code editor that provides rich Ruby language and debugging support. Still under development.


Harry Lucas
A thorough Ruby-oriented introduction to a design pattern that allows a group of interchangeable, similarly structured, multi-step algorithms to be defined.


InfraRuby Vision Limited
It requires annotations for field types, method signatures, etc, but supports much of Ruby and boasts high performance.


Jobs

  • Ruby Skills are in demandIndeed Prime is an elite new program from Indeed.com that presents in-demand tech talent like you to top employers. Indeed Prime opens the door to exciting career opportunities with one simple application. Join today.  Indeed.com
  • Software Engineer, Billing Payments (London, UK; Remote OK)You’ll build software that creates our financial infrastructure, aggregates data across our business, and allows us to operate. You’ll code in Ruby and JavaScript with the opportunity to bring in new languages that fit. AlphaSights

In brief