THis gist was created in 2016 and I haven't been working with Facebook Leads ever since. As a result, this guide might not be accurate.
Please check @eladnava's updated step-by-step guide for 2020 here: https://eladnava.com/get-facebook-ad-lead-notifications-in-realtime-with-node-js-webhooks/
| result = ActiveRecord::Base.connection.execute("SELECT DISTINCT SUBSTRING(postcode, '[A-Z0-9]{3,} [0-9]{1}') FROM postcodes") | |
| result.values.first | |
| # => ['AB1 1'] |
When hosting our web applications, we often have one public IP
address (i.e., an IP address visible to the outside world)
using which we want to host multiple web apps. For example, one
may wants to host three different web apps respectively for
example1.com, example2.com, and example1.com/images on
the same machine using a single IP address.
How can we do that? Well, the good news is Internet browsers
