Deploy Sintra App on Ubuntu Using Apache2 and Phusion Passenger Module
Check it out http://sinatra.seanbehan.com/
This assumes Apache2 and the Phusion Passenger module have already been installed. If not you can get up to speed w/ this resource http://seanbehan.com/ruby-on-rails/new-ubuntu-slice-apache-mysql-php-ruby-on-rail...
Written by Sean Behan on 06/17/2012
Generate a Gravatar URL with Ruby
To get a Gravatar you need to hash an email address with the MD5 algorithm.
MD5 is a part of the Ruby standard library. Rails loads it by default, but otherwise you will have to require it yourself.
This is a simple implementation.
Gravatar su...
Written by Sean Behan on 04/11/2014
How to Enable UUIDs in Postgres
The first thing you'll need to do is enable the extension
create extension "uuid-ossp";
To test that it's working
select uuid_generate_v1();
For more info on which version of the algorithm you should use refer to the documentation.
...
Written by Sean Behan on 03/03/2017
How Many Gigs of RAM Are On My Server?
How much memory is on my linux server? Run the free command
free -g
total used free shared buffers cached
Mem: 2 1 0 0 0 1
-/+ buffers/cache: 0 1
Swap: ...
Written by Sean Behan on 06/17/2012
How To Get A List of All Registered Mime Types in Rails
When mime types are registered they are placed in a hash constant EXTENSION_LOOKUP in the module Mime. For reference, the file with the relevant code is in rails/action_pack/lib/action_dispatch/http/mime_type.rb available on Github at https://github.com/r...
Written by Sean Behan on 06/17/2012
