What is the most ruby-ish way of accessing nested hash values at arbitrary depths?
10138
How to avoid NoMethodError for missing elements in nested hashes, without repeated nil checks?
13934
Is there any difference between the `:key => "value"` and `key: "value"` hash notations?
129148
How can I memoize a method that may return true, false, or nil in Ruby?
58669
What is the best way to implement nested dictionaries?
22875
Can I read the hash portion of the URL on my server-side application (PHP, Ruby, Python, etc.)?
115736
What's a correct and good way to implement __hash__()?
9001
How can I access and process nested objects, arrays or JSON?
86584
Do parts of a hash carry the properties of the entire hash?
92445
How can I selectively access elements returned by a Perl subroutine?
154171
Sort hash by key, return hash in Ruby
61171
How to define hash tables in Bash?
75109
Calculate the hash (MD5 or otherwise) of a string
40267
How do I raw URL encode/decode in JavaScript and Ruby to get the same values in both?
103995
Hashes of Hashes Idiom in Ruby?
154441
How to create a deep copy of an object in Ruby?
152939
How to get the MD5 hash of a file in C++?
94403
Is there an inverse 'member?' method in ruby?