Accessing elements of nested hashes in ruby [duplicate]

Accessing elements of nested hashes in ruby [duplicate]

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Converting nested hash keys from CamelCase to snake_case in Ruby

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Hashes of Hashes Idiom in Ruby?

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How to avoid NoMethodError for missing elements in nested hashes, without repeated nil checks?

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Ruby dup/clone recursively

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Deleting a specific element from a nested hash

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How to assign hash['a']['b']= 'c' if hash['a'] doesn't exist?

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