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You can get cassandra at cassandra.apache.org and the ruby gem by running: gem install cassandra I did run into a problem with the trift_client gem when installing. If you get a Load Error, run this. sudo chmod 644 /usr/local/lib/ruby/gems/1.8/gems/thrift_client-0.6.3/lib/thrift_client/*.rb sudo chmod 755 /usr/local/lib/ruby/gems/1.8/gems/thrift_client-0.6.3/lib/thrift_client/connection Here are some of the Cassandra commands from the video: #connects to [...]

If you work with ruby you will know that the interactive ruby shell, or ‘IRB’ for short, is a useful sketchpad for coding. But the command line interface of IRB can feel quite limiting in comparison with the power of your text editor. In this episode, I’m going to demonstrate how you can get the best of both worlds, by loading Vim from inside IRB.

There's a few useful shorthand ways to create certain objects in Ruby, ... - Caius

There's a few useful shorthand ways to create certain objects in Ruby, ... - Caius

An interactive error console for Ruby. - Avdi Grimm

With tap you can easily peek into chained methods.

Provides a simple send/expect interface with an API almost identical to Net::Telnet. - mkent(at)magoazul(dot)com

With progress-monitor you can easily add progress bars to your array/hash/integer iterator loops without changing your code.

"racksh (Rack::Shell) is a console for Rack based ruby web applications.. " - Marcin Kulik

"LiveConsole is a library for providing IRB over a TCP connection or a Unix Domain Socket." - pete elmore