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*”Proxying Apache to Thin and getting 502 errors.”

Interesting

• Beware: Health check ping every 3 seconds * 15 mongrels * 1 week = millions of session rows. Create skip_filter entry for your health ping action.

• Snow Leopard 10.6.2 is out. An unlucky upgrader attempted to go 10.6.1 -> 10.6.2 and it hosed the machine. This required the upgrader to reinstall Snow Leopard from disk, then upgrading to 10.6.2. Backup your data before upgrading!

• Redefining an aliased method may not do what you expect: When the aliased method is invoked the original implementation executes.

def do_something
  puts "hello"
end

alias :do_something_else :do_something

def do_something
  puts "goodbye"
end

do_something_else    # prints "hello"