11 May '12, 4pm

Ruby ri Tool: Ruby Study Notes - Best Ruby Guide, Ruby Tutorial:

tool is used to view the Ruby documentation off-line. Open a command window and invoke ri followed by the name of a Ruby class, module or method. ri will display documentation for you. You may specify a method name without a qualifying class or module name, but this will just show you a list of all methods by that name (unless the method is unique). Normally, you can separate a class or module name from a method name with a period. If a class defines a class method and an instance method by the same name, you must instead use :: to refer to a class method or # to refer to the instance method. Here are some example invocations of ri:

Full article: http://rubylearning.com/satishtalim/ruby_ri_tool.html

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