Sam Ruby has a cool slideshow that outline the differences. In the interest of bringing this information inline for easier reference, and in case the link goes dead in the abstract future, here’s an overview of Sam’s slides. The slideshow is less overwhelming to review, but having it all laid out in a list like … Read more
The author of that blog post is being overly dramatic and foolish, the => is still quite necessary. In particular: You must use the rocket for symbols that are not valid labels: :$set => x is valid but $set: x is not. In Ruby 2.2+ you can get around this problem with quotes: ‘$set’: x … Read more
Yes, there is a difference. These are legal: h = { :$in => array } h = { :’a.b’ => ‘c’ } h[:s] = 42 but these are not: h = { $in: array } h = { ‘a.b’: ‘c’ } # but this is okay in Ruby2.2+ h[s:] = 42 You can also use … Read more
A workaround for this was just added to the ‘aws’ gem so thought I’d share as it was inspired by this post. https://github.com/appoxy/aws/blob/master/lib/awsbase/require_relative.rb unless Kernel.respond_to?(:require_relative) module Kernel def require_relative(path) require File.join(File.dirname(caller[0]), path.to_str) end end end This allows you to use require_relative as you would in ruby 1.9.2 in ruby 1.8 and 1.9.1.
Have you tried adding a magic comment in the script where you use non-ASCII chars? It should go on top of the script. #!/bin/env ruby # encoding: utf-8 It worked for me like a charm.