ruby - Rails Non tabular settings -

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what best practice storing non-tabular settings (configured end-user) application?

i know possible creating model , using it, creating one-row-table in database seems little wasteful me.

convert data yaml, , write configuration file.

require "yaml"  file.write(path_to_configuration_file, yaml.dump(obj)) # write  obj = yaml.load_file(path_to_configuration_file) # read

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