Mastering the ruby debugger by Jim Weirich
46:19
RubyConf 2009 - SOLID Ruby by: Jim Weirich
31:55
Basic Rake by Jim Weirich
40:59
RailsConf 2014 - Debugger Driven Developement with Pry by Joel Turnbull
46:53
Ruby Conference 2008 - What All Rubyists Should Know About Threads
1:01:16
Ruby Conference 2007 Advanced Ruby Class Design by Jim Weirich
1:03:32
The Ruby Object Model by Dave Thomas
32:23
Rails Conf 2013 The Magic Tricks of Testing by Sandi Metz
48:17