Being simply too lazy to install the interpreter and opening an editor is no excuse anymore. On http://tryruby.hobix.com/ you can now try Ruby in an interactive online tutorial that guides you through some of features of this language starting with some basic string manipulation (like reversing a string), over list generation and manipulation (sorting). Currently the tutorial closes with a short introduction in blocks and hashes but to quote the author…
Well, this is as far as the tutorial goes for now. Indeed, I'm only halfway done. Come back in a few days and I will have more, surely.
[via http://radar.oreilly.com]
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Alternatively, this website also supports Webmentions. If you write a post on a blog that supports this technique, I should get notified about your link 🙂