---
title: "This week's Ruby news, issue 212"
publication: "Ruby Weekly"
issue: 212
published_at: "2014-09-11"
canonical_url: "https://rubyweekly.com/issues/212"
---

This week's Ruby news, issue 212

This week's Ruby and Rails news[Read this e-mail on the Web](http://rubyweekly.com/issues/212)

Ruby WeeklyIssue 212 — September 11, 2014

Myron Marston[RSpec 3.1 Released](http://myronmars.to/n/dev-blog/2014/09/rspec-3-1-has-been-released)RSpec 3.1 is here and should be a trivial upgrade for any 3.0 users. There are a number of notable changes with project maintainer Myron Marston shows off in this post.


Thoughtbot[Write Reliable, Asynchronous Integration Tests With Capybara](http://robots.thoughtbot.com/write-reliable-asynchronous-integration-tests-with-capybara)Integration tests involving Ruby and JS are fraught with issues. Developers complain of tests which fail erratically, but it’s possible to write reliable, asynchronous integration tests by following some easy-to-remember guidelines.


Justin Weiss[Rails 5, Module#prepend, and the end of `alias_method_chain`](http://www.justinweiss.com/blog/2014/09/08/rails-5-module-number-prepend-and-the-end-of-alias-method-chain/)Justin Weiss looks at how Rails 5, due next year, will require Ruby 2.2 and how Ruby 2's new functionality will have an effect on the infamous alias_method_chain method.


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ruby-lang.org[Bug #10212: MRI Is Not for Lambda Calculus](https://bugs.ruby-lang.org/issues/10212)Despite the title being tongue in cheek, Koichi Sasada notes that MRI copes poorly with large numbers of lambdas compared to JRuby and even mruby.


MIKAMAYHEM[3 Simple Examples From Ruby to Elixir](http://dev.mikamai.com/post/94717466094/3-simple-examples-from-ruby-to-elixir)An interesting look at porting the same script from Ruby to Elixir in three different ways, becoming increasingly idiomatic each time. If you’re not familiar with it, Elixir is a functional language built on top of the Erlang VM that shares some stylistic similarities to Ruby.


John Poulin[Understanding Rails' 'protect_from_forgery'](http://blog.nvisium.com/2014/09/understanding-protectfromforgery.html)A look at one of Rails’ protection mechanisms from Cross Site Request Forgery (CSRF).


In brief

Curated by [Peter Cooper](https://twitter.com/peterc) and [Glenn Goodrich](https://twitter.com/ruprict), and published by [Cooperpress](https://cooperpress.com/).
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