format code with rubocop

ruby/app/controller/controller.rb

@@ -1,3 +1,2 @@
 class SomeController < Rails::ActionController
-
 end

ruby/code.rb

@@ -5,30 +5,29 @@
 # encoding: ascii
 
 # Raises "use of deprecated BigDecimal.new"
-a = { 'hello' => 'world', 'testing' => BigDecimal.new(123.456, 3) }
+a = { 'hello' => 'world', 'testing' => BigDecimal(123.456, 3) }
 
 # Raises "`while`/`until` detected in `begin` block"
 begin
   do_something
 end while a == b
 
 # Raises "multiple comparison detected"
-x < y < z
-10 <= x <= 20
+x < y && y < z
+10 <= x && x <= 20
 
 # Raises "empty rescue block detected"
 begin
   bar
-rescue
+rescue StandardError
 end
 
 # Raises "redundant `else`-clause detected"
 if bar
-else
 end
 
 # Raises "unused method arguments detected"
-def some_method(bar)
+def some_method(_bar)
   puts 'Hello'
 end
 
@@ -49,17 +48,16 @@ def some_method
 end
 
 # Raises "Deprecated way of initializing OpenSSL::Cipher and OpenSSL::Digest"
-OpenSSL::Cipher::AES.new(128, :GCM)
+OpenSSL::Cipher.new('aes-128-gcm')
 
 # Raises "put empty method definitions on a single line"
 # Also raises "multiple methods with same name in the same scope" as we have a
 # method with same name above
-def some_method
-end
+def some_method; end
 
 # Raises "Invalid annotation keyword format detected"
 def foo
-  # TODO Replace this with bar
+  # TODO: Replace this with bar
   do_something
 end
 
@@ -70,14 +68,11 @@ def foo
 # Raises "Hash merging can be replaced by hash key assignment"
 my_hash.merge!('key': value)
 
-
 # Raises "Use `size` instead of `count`"
 [1, 2, 3].count
 
 file_path = 'path/to/some/file'
-unless File.exist?(file_path)
-  FileUtils.remove file_path
-end
+FileUtils.remove file_path unless File.exist?(file_path)
 
 case current_year when 1985..
   dont_time_travel