The attached initializer gives your hashes a #deep_slice method that lets you recursively slice Show archive.org snapshot their contents by a given whitelist of allowed keys and sub-keys:

{ :a => { :b => 'b', :c => 'c' } }.deep_slice(:a => :c) # => { :a => { :c => 'c' } }

Rails Long Term Support

Rails LTS provides security patches for old versions of Ruby on Rails (2.3, 3.2, 4.2 and 5.2)

• Prevents you from data breaches and liability risks
• Upgrade at your own pace
• Works with modern Rubies

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