Is there any difference between the `:key => "value"` and `key: "value"` hash notations?

Is there any difference between the `:key => "value"` and `key: "value"` hash notations?

ruby syntax hash ruby-1.9 hashrocket

ruby

Ruby: require vs require_relative - best practice to workaround running in both Ruby <1.9.2 and >=1.9.2

ruby ruby-1.9 ruby-1.8

ruby

What is the difference between Ruby 1.8 and Ruby 1.9

ruby ruby-1.9 ruby-1.8

ruby

Is Hash Rocket deprecated?

ruby syntax hash ruby-1.9 hashrocket

ruby

How do I make Ruby 1.9 the default Ruby on Ubuntu?

ruby ubuntu ruby-1.9

ruby

Ruby 1.9 hash with a dash in a key

ruby syntax hash ruby-1.9

ruby

What's the difference between Object and BasicObject in Ruby?

ruby ruby-1.9

ruby

Ruby - UTF-8 file encoding

ruby unicode ruby-1.9

ruby

Rails 3 invalid multibyte char (US-ASCII)

ruby-on-rails ruby utf-8 ascii ruby-1.9

ruby

How to specify output file encoding in Ruby?

ruby encoding ruby-1.9

ruby

How can I avoid putting the magic encoding comment on top of every UTF-8 file in Ruby 1.9?

ruby encoding utf-8 ruby-1.9

ruby

What's the difference between Process.fork and Process.spawn in Ruby 1.9.2

ruby-on-rails ruby process ruby-1.9

ruby

How do I reference a function in Ruby?

ruby ruby-1.9 first-class-functions

ruby

What is ARGF.class in Ruby 1.9?

ruby class ruby-1.9

ruby

Append row to csv file Ruby 1.9 CSV lib

ruby csv ruby-1.9

ruby