From: Daniel DeLorme <dan-ml@...42.com>
Date: 2010-05-18T15:56:28+09:00
Subject: Re: Asynchronous HTTP request

Daniel N wrote:
> On 13 May 2010 17:37, Daniel DeLorme <dan-ml@dan42.com> wrote:
> 
>> Does anyone know how to do the following, but without threads, purely with
>> asynchronous IO?
>>
>> website = Thread.new{ Net::HTTP.get(URI.parse(url)) }
>> template = compute_lots_of_stuff()
>> puts template.sub("<content goes here>", website.value)
> 
> Event machine is perfect for this kind of stuff.  Weather it fits with the
> rest of your web framework is more likely the thing that makes it an
> unlikely selection (if you're using anything rack based for example)

If you could show me how to use EventMachine in this case I'd be 
grateful. I couldn't figure out how to run compute_lots_of_stuff() while 
the http requests are executing.