Question: Why does my CPU register ~30% when blur is applied versus ~6% when no blur is applied to an animated object? Details: I have a set of randomly generated items on a page that have a CSS ...

I have just installed the RVM and I am reading The Well-Grounded Rubyist book. In the first chapter I am supposed to try ri String#upcase to view documentation on the upcase method, however I get a...

I'm just getting into Ruby - one of the things I'm having a little trouble letting go of is Intellisense / code completion, so if I don't have that I really need to have the API close to hand at al...

I'm running Ubuntu 11.10 and installed Ruby 1.9 like this: $ sudo apt-get install ruby1.9 rubygems Everything is working very well but ri seems to have empty documentations. ri told me that the ...

I have Ubuntu 11.10 and am using rvm with ruby 1.9.2. I followed this exactly to install Ruby: http://blog.sudobits.com/2011/10/27/how-to-install-ruby-on-rails-in-ubuntu-11-10/ I generate the docs...

Is there a way to find out which part of my ri command that is not showing Ruby's documentation: $ ruby --version ruby 1.9.3p392 (2013-02-22 revision 39386) [i686-linux] $ ri --version ...

Whenever I install gems I see ri and rdoc follow. I know this is documentation but what is the difference between the two and how to use them?

I just installed rvm and then rails 3.1rc5 with: gem install rails --pre But I got some errors after "Installing ri documentation" and the RDoc documentation: Successfully installed <bunch o...

Possible Duplicate: ruby 1.9 ri problem When I try to use Ruby's ri tool in a command prompt window to get help about classes, methods, etc. it seems to always fail. For example if I ...

I'm having trouble viewing ri documentation within gvim and MacVim (tried it on both) Some of the ri documentation includes text decorations that look fine when viewed in a terminal window, but inc...