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Design 5PXBSEB GPS3VCZ #SJBO'PSE !CSJYFO 3VCZ$POG Thursday, November 1, 2012

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— I Ruby Thursday, November 1, 2012

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Motivation Thursday, November 1, 2012

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Java Thursday, November 1, 2012

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Javascript Thursday, November 1, 2012

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Clojure Thursday, November 1, 2012

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Ruby is the biggest threat to the viability of Ruby Thursday, November 1, 2012

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Community Thursday, November 1, 2012

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Politeness is not respect Thursday, November 1, 2012

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Criticism is not insult Thursday, November 1, 2012

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I am NOT my code Thursday, November 1, 2012

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Ruby is... Thursday, November 1, 2012

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Matz’s Ruby Implementation Thursday, November 1, 2012

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Mystery Ruby Thursday, November 1, 2012

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Ruby is a programming language Thursday, November 1, 2012

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Many Ruby semantics are accidents of MRI implementation Thursday, November 1, 2012

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MRI is... Thursday, November 1, 2012

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an implementation of Ruby Thursday, November 1, 2012

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Ghosts of Xmas Past Thursday, November 1, 2012

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1.8 to 1.9 Thursday, November 1, 2012

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7 years Thursday, November 1, 2012

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VM Encoding IO Threads APIs Thursday, November 1, 2012

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Why won’t you upgrade? Thursday, November 1, 2012

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Ghosts of Xmas Present Thursday, November 1, 2012

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Encoding Thursday, November 1, 2012

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Every object has an encoding Thursday, November 1, 2012

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String Symbol Regexp Thursday, November 1, 2012

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ENCODING_SET(obj,i) Thursday, November 1, 2012

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$ irb 1.9.3p286 :001 > a = "abc".force_encoding "ascii-8bit" => "abc" 1.9.3p286 :002 > b = "\xff".force_encoding "us-ascii" => "\xFF" 1.9.3p286 :003 > a + b => "abc\xFF" Thursday, November 1, 2012

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$ irb 1.9.3p286 :001 > a = "\xFF".force_encoding 'ascii-8bit' => "\xFF" 1.9.3p286 :002 > b = "\x98".force_encoding 'us-ascii' => "\x98" 1.9.3p286 :003 > a + b Encoding::CompatibilityError: incompatible character encodings: ASCII-8BIT and US- ASCII Thursday, November 1, 2012

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o_O Thursday, November 1, 2012

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Ruby 2.0 Thursday, November 1, 2012

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stdlib Thursday, November 1, 2012

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Ghosts of Xmas Future Thursday, November 1, 2012

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Keyword arguments Thursday, November 1, 2012

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Refinements Thursday, November 1, 2012

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The most important challenge is managing complexity Thursday, November 1, 2012

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“Ruby method dispatch is a nightmare” — Koichi Thursday, November 1, 2012

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If one instance of monkey patching is bad, then N instances will be fine Thursday, November 1, 2012

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ActiveSupport Thursday, November 1, 2012

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Lack of tools Thursday, November 1, 2012

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Understanding Thursday, November 1, 2012

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Fear Thursday, November 1, 2012

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There is NO Ruby code that needs refinements Thursday, November 1, 2012

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Implementation burden Thursday, November 1, 2012

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Unintended consequences Thursday, November 1, 2012

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Actual problems for Ruby Thursday, November 1, 2012

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Concurrency Thursday, November 1, 2012

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Celluloid Thursday, November 1, 2012

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Memory model Thursday, November 1, 2012

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Extension API Thursday, November 1, 2012

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Security Thursday, November 1, 2012

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freeze taint untrust Thursday, November 1, 2012

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Hacking Ruby Thursday, November 1, 2012

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Design of Ruby Thursday, November 1, 2012

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Ruby design committee Thursday, November 1, 2012

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Any proposed change to Ruby MUST have: a. Documentation. b. RubySpec coverage. c. Implementation by all members. d. Debate. e. A vote. Thursday, November 1, 2012

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Making the case Thursday, November 1, 2012

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Bikeshedding Thursday, November 1, 2012

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Documentation Thursday, November 1, 2012

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RubySpec Thursday, November 1, 2012

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$ bin/mspec library/stringio/gets -fs rubinius 2.0.0dev (1.9.3 580680b8 yyyy-mm-dd JI) [x86_64-apple-darwin10.8.0] StringIO#gets when passed [separator] - returns the data read till the next occurence of the passed separator - sets $_ to the read content - accepts string as separator - updates self's lineno by one - returns the next paragraph when the passed separator is an empty String - returns the remaining content starting at the current position when passed nil - tries to convert the passed separator to a String using #to_str StringIO#gets when passed no argument - returns the data read till the next occurence of $/ or till eof - sets $_ to the read content - updates self's position - updates self's lineno - returns nil if self is at the end StringIO#gets when passed [limit] - returns the data read until the limit is met - sets $_ to the read content - updates self's lineno by one - tries to convert the passed limit to an Integer using #to_int - returns a blank string when passed a limit of 0 StringIO#gets when passed [separator] and [limit] - returns the data read until the limit is consumed or the separator is met - sets $_ to the read content - updates self's lineno by one - tries to convert the passed separator to a String using #to_str - does not raise TypeError if passed separator is nil - tries to convert the passed limit to an Integer using #to_int - raises a TypeError if both separator and limit are nil StringIO#gets when in write-only mode - raises an IOError Thursday, November 1, 2012

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Implementations Platforms Versions Thursday, November 1, 2012

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Debate after implementation Thursday, November 1, 2012

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Supporting technology Thursday, November 1, 2012

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ruby-core mixes bugs and features Thursday, November 1, 2012

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Using English Thursday, November 1, 2012

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1. Proposal 2. RubySpecs 3. Implementation 4. Discussion 5. Vote Summary Thursday, November 1, 2012

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Those who make peaceful revolution impossible make violent revolution inevitable — JFK Thursday, November 1, 2012

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Those who make collaboration impossible make forking inevitable Thursday, November 1, 2012

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I wonder what a dying language looks like... Thursday, November 1, 2012

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Please don’t let Ruby die Thursday, November 1, 2012

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“Matsumoto-san, thank you very much for Ruby.” Thursday, November 1, 2012

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“It is a beautiful, powerful language. It brings many people such joy.” Thursday, November 1, 2012

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“Your creation is a gift to the world.” Thursday, November 1, 2012

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“Ruby is now over 18 years old. Please set it free to fulfill its destiny.” Thursday, November 1, 2012

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Thank you Thursday, November 1, 2012

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http://www.autotita.com/lamborghini/2010-lamborghini-reventon-vs-panavia-tornado-jet-fighter http://waycoolpics.blogspot.com/2007/08/sharks.html http://lwn.net/Articles/358754/ http://blog.eogn.com/eastmans_online_genealogy/2012/02/github-a-new-tool-for-collaborative-stories-and-articles.html http://www.re-cycledair.com/deploying-django-1-4-to-heroku http://jolicode.com/blog/online-ci-providers-are-the-new-black http://streetfightmag.com/2012/07/09/street-fight-daily-livingsocial-ipo-apples-plans-for-payments/ http://www.pitchenvy.com/gallery/square-pitch-deck/ http://vimeo.com/45719571 http://www.good.is/posts/how-do-you-save-a-dying-language-crowdsource-it Image credits http://www.stickermule.com/products/rounded-corner-stickers https://blogs.oracle.com/cinnabar/entry/jruby_meets_duke https://github.com/MagLev http://weblog.rubyonrails.org/2009/8/11/community-highlights-ironruby/ http://en.wikipedia.org/wiki/Unemployment Thursday, November 1, 2012