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sadfuzzy / hashquiz.rb
Last active August 29, 2015 14:26 — forked from potatosalad/hashquiz.rb
Ruby quiz for convert hash "dot paths" into actual hash hierarchy.
#require 'rubygems'
require 'pp'
#require 'ap' # Awesome Print
class Object
# expects [ [ symbol, *args ], ... ]
def recursive_send(*args)
args.inject(self) { |obj, m| obj.send(m.shift, *m) }
end
end
-- View Current Lock
SELECT c.relname, l.mode, l.granted, l.pid FROM pg_locks as l JOIN pg_class as c on c.oid = l.relation;
-- UTF-8 text search by index
create index on <table> (<column> text_pattern_ops);
-- Generate nodes path
create table <table> as select i, format('/%s/%s/', (random() * 10), (random() * 10)) from generate_series(1,100000);
-- Create extension

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