Playing with ruby code in interactive sessions like this is a terrific way to learn the language. You can create a hash by calling method hash.new: Ruby documentation welcome to the official ruby programming language documentation
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Getting started new to ruby
Start with our getting started guide
Core classes and modules explore the essential classes and modules Identical regexp can or cannot run in linear time depending on your ruby binary Neither forward nor backward compatibility is guaranteed about the return value of this method. This is a list of ruby releases
The shown dates correspond to the publication dates of the english versions of release posts and may differ from the actual creation dates of the source tarballs. Ruby code can raise exceptions Most often, a raised exception is meant to alert the running program that an unusual (i.e., exceptional) situation has arisen, and may need to be handled. What’s here trigonometric functions ::cos
Returns the cosine of the given argument
Returns the sine of the given argument Returns the tangent of the given argument Returns the arc cosine of the given. This system is hosting the development of ruby language and its related projects
You must register your account and activate it via an email before reporting issues. Language = hash [:language] end end matz = dev 'ruby') matz # => #<dev @name=matz, @language=ruby> creating a hash you can create a hash object explicitly with
You can convert certain objects to hashes with
