Is Hash Rocket deprecated?...

after_commit block executes when parameter uses hashrocket syntax, but not when it uses colon syntax...

Ruby exception hashrocket; is there an alternative json-styled way to catch an exception?...

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

In Ruby what does "=>" mean and how does it work?...

What's the difference between colon ":" and fat arrow "=>"...

Ruby/Rails hash rockets Syntax...

How to force Rails 4 to use old-style hash syntax...

Notation "name: " vs ":name => "...

rubymine complaining about rails controller scaffold syntax...

What does the "=>" in "rescue Exception => e" do?...

What's the syntax (=>) used in assign error object to variable of `rescue` method?...

Why does Ruby use the '=>' notation?...