similar to: Rails 4 install

Hello everyone, I have a set of data in the following form, which are stored in an Excel file: nick john peter lesson1 0.465 0.498 0.473 lesson2 0.422 0.44 0.134 lesson3 0.45 0.35 0.543 lesson4 0.590 0.64 0.11 lesson5 0.543

My third post here. I''m learning Rails. getting Oops! Google Chrome could not connect to localhost:3000 I reinstalled Ruby and Rails. I create the Rails new ???? then run Rails S or Rails server. still cant get the localhost:3000 to start. I''m running Windows 8.1 Ruby version 2.0.0p0 Rails 4.0.0 -- You received this message because you are subscribed to the Google

ruby 2.0.0p0 (2013-02-24 revision 39474) [x86_64-darwin12.3.0] Rails 3.2.13 I have a validates ... :uniqueness constraint on one of the attributes of an ActiveRecord class. In my test suite, I set the attribute from the same attribute in a record in the fixture. I then send invalid? to the object under test. invalid? returns _false_, and the .errors object for the record shows no errors. A

What am I doing wrong?? ****@ubuntu:~/ruby/things_i_bought$ rake db:migrate Rails 4 prefers to run on Ruby 2.0. You''re running ruby 1.8.7 (2011-06-30 patchlevel 352) [i686-linux] Please upgrade to Ruby 1.9.3 or newer to continue. ****@ubuntu:~/ruby/things_i_bought$ ruby -v ruby 2.0.0p0 (2013-02-24 revision 39474) [i686-linux] ****@ubuntu:~/ruby/things_i_bought$ rvm

I just built a new puppet master, and whenever I run puppet on it, it throws an error while processing a service resource: # puppet agent -t > Info: Retrieving plugin > Info: Caching catalog for i-45dc2b1d > Info: Applying configuration version ''g > 9ea47ad19bc706a754c00f00a024309948d3ea03'' > Error: /Stage[main]/Ipa::Client::Basic/Service[sssd]: Could not