Try Ruby! Come together!

Do you want to feel the trouble-free installation of Ruby?

It doesn't matter. Now we have a try Ruby site, so long as you have a browser, you can use Ruby immediately. Try Ruby provides an interactive environment similar to Ruby's IRB, A brief Ruby tutorial is provided.

How is it? Don't try it now
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PS: The cid73 on Ruby-CN tells me that there is another one-time running of the entire segment.CodeRuby explanation page
Although it is a little more simple than above, it is not bad.