When developing web applications, you often have opportunities to handle information retrieved from external systems or configuration values entered by users as a single collection using a "hash" ...
This is a JavaScript implementation of the Ruby Hash class. Objects made from the Hash constructor provided here create hash objects that contain most of the methods of the Ruby hashes. Hashes can be ...
# notice they have different object ids. 'this is a string'.object_id # => 70247714414700 'this is a string'.object_id # => 70247714414240 # Every instance of a symbol is the same object, # notice ...
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