From: Alex DeCaria <alex.decaria@...>
Date: 2010-04-29T00:44:53+09:00
Subject: Use of STDOUT.flush after puts

I've seen several examples on this forum where folks have used
STDOUT.flush after printing a query to a terminal.  For example:

puts "Delete indicated item [yes, no]"
STDOUT.flush
response = gets.chomp

What is the purpose of the 'STDOUT.flush', and is it always necessary to
use it?  What are the possible problems if it isn't used?

--Alex
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