State of the 2016 Rails Stack
http://blog.scoutapp.com/articles/2015/12/29/state-of-the-2016-rails-stack

Simple encryption of ActiveRecord fields
http://blog.iempire.ru/2015/12/18/simple-rails-encryption/

Improved test runner in Rails 5
http://blog.bigbinary.com/2016/01/03/test-runner-in-rails-5.html

rack-mini-profiler - the Secret Weapon of Ruby and Rails Speed
https://www.nateberkopec.com/2015/08/05/rack-mini-profiler-the-secret-weapon.html

Marius Butuc - Code coverage analysis tools
http://www.mariusbutuc.com/simplecov-tool-for-coverage-analysis

Simple active record caching strategies
https://github.com/vasilakisfil/active_cash

Using RSpec Metadata
https://rossta.net/blog/using-rspec-metadata.html

The FILTER clause in Postgres 9.4
https://medium.com/little-programming-joys/the-filter-clause-in-postgres-9-4-3dd327d3c852

WebSockets, caution required!
https://samsaffron.com/archive/2015/12/29/websockets-caution-required

Revisiting Firefox’s DevTools
http://www.smashingmagazine.com/2015/12/revisiting-firefox-devtools/

Rowhammer.js: Root privileges for web apps?
https://media.ccc.de/v/32c3-7197-rowhammer_js_root_privileges_for_web_apps#video