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This book will help you learn all the essentials about Ruby and more besides, but it s often useful to get more timely or domain-specific assistance while coding. In this section, you ll look at a few ways that you can get assistance from the large community of Ruby developers. (There s also a more succinct and complete list of resources in Appendix C that you might prefer for future reference.)

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Mailing lists have always been popular havens for discussion about programming languages. Favored by the more technical members of any programming language s culture, they re a good place to ask questions about the internals or future of the language, along with esoteric queries that only a true language uber-geek could answer. They are not, however, suited for basic queries. Ruby has three official mailing lists for English speakers to which you can subscribe as follows: ruby-talk: Deals with general topics and questions about Ruby ruby-core: Discussion of core Ruby issues, specifically about the development of the language ruby-doc: Discussion of the documentation standards and tools for Ruby (rarely used) Further information about these lists is available at http://www.ruby-lang.org/ en/20020104.html, and a Web forum-style view of the ruby-talk mailing list is available at http://www.nabble.com/ruby-talk-f13890.html. Lists are also available in Japanese, French, and Portuguese, and these are similarly listed on the first page in the preceding paragraph. The Japanese mailing lists, being comprised of some of the most experienced Ruby developers, are often read by English speakers using translation software. Information about this is also available at the aforementioned Web page.

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Until about 2002, the newsgroup system (Usenet) was a common way for large groups of people with a common interest to share and discuss their knowledge.

The values method returns a list of the values in the dictionary (and itervalues returns an iterator of the values). Unlike keys, the list returned by values may contain duplicates:

The advent of Google Groups allows easy access to the newsgroups, and often you can get good answers from the other people using them. The newsgroups are better suited to asking minor questions than the mailing lists, but if your question is considered to be a frequently asked question, prepare to be warned. Ruby s primary newsgroup is comp.lang.ruby, and if you have no newsgroup software installed, you can read it on the Web at http://groups.google.com/group/comp.lang.ruby. As of 2006, the group still gets about 20 new posts a day and is actively used by a large group of Ruby developers.

and drag until the rectangle lls half the screen, and then right-click the box and add a white ll. Then click and drag the headline to the left and click and drag the sizing handles to t the headline, as shown on the upper-right slide in Figure 7-13. Copy and paste the rectangle to the other two Key Point slides, and adjust the headlines. On the Call to Action slide, add a horizontal white rectangle to the middle of the slide to distinguish this slide from the Key Point slides, as shown on the upper-left slide in Figure 7-13. Once you have the temporary layouts in place on the CTA+3 slides, sketch on the slides as usual.

Internet Relay Chat (IRC)

Internet Relay Chat is a real-time Internet chat system that allows potentially thousands of people to congregate into channels to discuss various topics. The immediacy of realtime chat makes IRC suitable for quick questions, although participants are often surprisingly willing to help users with deeper problems (see Figure 5-3 for an example of an IRC channel in operation). The only downside is that you might get no response at all and be left reading a conversation already in progress. IRC has proven popular with Ruby developers, and there are two particularly notable channels where almost 24-hour support for Ruby and Ruby on Rails is available as follows: For Ruby language discussion: #ruby-lang on the irc.freenode.net server For Ruby on Rails discussion: #rubyonrails on the irc.freenode.net server