Async programming is all about programming synchronously.

RubyKaigi 2013 - 10:00 room A
rev.7

Transcript

1. Async
   Asynchronously.
   ඇಉظͬͯಉظΛॻ͘͜ͱ͡ΌΜɻ
   seki@ruby-lang.org
   programming is
   all about programming
   

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2. Important First
   ϑολʔʹεϙϯαʔ͕ग़ͯΔ͔ΒݟͯͶ!!
   

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3. About me
   

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4. WEB+DB PRESS Vol.73 ʮͨͷ͍͠։ൃ࣮گதܧʯͷϨϏϡʔ͋Γ͕ͱ͏͍͟͝·ͨ͠ (ஶऀҰಉ)
   code
   ERB
   dRuby
   Rinda
   Drip
   

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5. ͑Ή͞ΜύΠϯΞϝ1kg͋Γ͕ͱ͏
   talk
   RubyKaigi 2006, 7, 8, 9, 10, 11, 13
   RubyConf 2012
   

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6. ͺ͖ͬΎΔʙΜ!! @tsurumau
   and write
   dRuby
   ʹΑΔ
   ؔকढ़ஶ
   ෼ࢄ
   ɾ
   Web
   ϓϩάϥϛϯά
   

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7. Answering the RubyConf 2012
   

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8. ΦʔϜࣾץʰϓϩάϥϛϯάClojure ୈೋ൛ʱࢴͱిࢠॻ੶͋Θͤͯ޷ධൃചதʂ @koichiro
   RubyConf 2012
   "dRuby͸ࣦഊ࡞ͩ"
   dRubyಉظݺͼग़͔ͩ͠Βࣦഊͳ
   ʁʁʁ
   ݴ͍༁͠ͳ͍ͱʂ
   

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9. RubyKaigi2013ָ͠ΈͰ͢ɻ@iwadon
   ࠓ೔͓࿩͢Δ͜ͱ
   ඇಉظʹ͓͜Δ͍ΖΜͳ͜ͱ͸͍ͭ΋͍ͩͨ
   ͍ಉ͡Α͏ʹղ͘ΜͩΑͬͯ࿩
   

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10. ΫϦΞίʔυ͸Rubyձٞ2013ͷγϧόʔεϙϯαʔͰ͢
    ਐΊํ
    ੈք͸͍͍ͩͨඇಉظͱಉظͰͰ͖͍ͯΔ
    ඇಉظ෩ͳঢ়گΛͨ͘͞Μࣔ͠·͢
    ͍ͭ΋ಉ͡Α͏ʹղ༷͘ࢠΛݟͯͶ
    

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11. ৿ా͞Μ͸ָͬͦ͘͢͝͠͏ʹ࿩Λฉ͍ͯ͘Ε·͢ɻൃදͷ͋ͱʹ͔ͭ·͑ͯ࿩ͯ͠ΈͯͶ
    ࠓ೔͓࿩͢Δ͜ͱ 2
    ΋Μ͍͘͏ͳ
    dRuby͸ඇಉظݺͼग़͞Ε
    RubyͰͰ͖ΔόοΫάϥ΢ϯυॲཧ΋౰
    વͰ͖Δͷ
    

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12. Wait a moment
    ✓ +3:00ɹ
    ✓ ࠓ೔ͷAgenda
    ✓ એ఻͗͢͠ͳ͍
    ✓ ࣍͸ඇಉظݺͼग़͞Ε
    

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13. ͙Μ·Ͱ·ͬͯΔ
    ඇಉظͬͯͳʹ
    Α͘Θ͔Μͳ͍͚Ͳಉظత͡Όͳ͍΋ͷʁ
    ࠓ೔͸ࣗ෼ͷ౎߹ͱؔ܎ͳ͘ى͜Δͳʹ͔ɺ
    ͱ͠·͢
    

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14. ࿩͔͚͠ͳ͍Ͱ΋Β͑·͔͢ @track8
    ඇಉظݺͼग़͞Εܥ
    ࣗ෼ͷ౎߹ʹؔ܎ͳ͘ݺ͹ΕΔ
    UNIX signal
    dRuby RMI
    

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15. 9/21 ͱͪ͗Rubyձٞ05ΑΖ͓͘͠Ͷ͕͍͠·͢ @mame
    UNIX signal
    ͳʹΛ͍ͯͯ͠΋ɺಥવొ࿥͞Εͨؔ਺͕ݺ
    ͹Εͯɺ͖ͬ͞ͷͱ͜Ζ͔Β࠶։͢Δ
    ओॲཧ͸γάφϧ͕ൃੜͨ͜͠ͱΛ஌Βͳ͍
    

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16. ͕Μ͹ͬ΃౦๺! @MUNAKATA_Akiko
    UNIX signal
    ͳʹΛ͍ͯͯ͠΋ɺಥવొ࿥͞Εͨؔ਺͕ݺ
    ͹Εͯɺ͖ͬ͞ͷͱ͜Ζ͔Β࠶։͢Δ
    int foo()
    {
    while(1) {
    bar();
    baz();
    }
    }
    int
    signal_hanlder(...)
    {
    }
    

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17. Lang-8͸૬ޓఴ࡟ܕSNSͰɺ໿190ϲࠃ͔Β80छྨҎ্ͷݴޠͰར༻͞Εͯ·͢ɻ@sasata299
    dRuby RMI
    dRuby͸ඇಉظݺͼग़͞ΕͰ͋Δ
    RMI͝ͱʹ৽͍͠εϨου͕Ͱ͖ͯॲཧ͢Δ
    ଞͷεϨου͸RMI͕͋ͬͨ͜ͱΛ஌Βͳ͍
    

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18. ΍Δؾφϯγʔ @vestige_
    dRuby RMI
    RMI͝ͱʹ৽͍͠εϨου͕Ͱ͖ͯॲཧ͢Δ
    ଞͷεϨου͸RMI͕͋ͬͨ͜ͱΛ஌Βͳ͍
    DRb.start_service(...)
    DRb.thread.join
    class Service
    def foo
    ...
    end
    end
    

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19. Yokohama.rb͸ຖ݄ୈ2౔༵೔։࠵Ͱ͢ʂ
    ඇಉظݺͼग़͞Εͷಛ௃
    ·͞ʹඇಉظ
    ࣗ෼ͷ౎߹ʹؔ܎ͳ͘ݺͼग़͞ΕΔ
    ͦͯ͠ݺͼग़͞Εͨ͜ͱΛ஌Βͳ͍
    ݺ͹ΕͨΒͳʹ͔͢Δɺ͕ॻ͖ʹ͍͘
    

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20. ֏͞Μڃʹ͸෺଍Γͳ͍ʰͳΔ΄ͲUNIXϓϩηεʱ͸ୡਓग़൛ձ͔Βେ޷ධൃചதͰ͢!! @kakutani
    ݺͼग़͞Εͨ͜ͱΛ఻͑Δ
    ఻͑Δνϟϯε͕͋Δͷ͸ݺͼग़͞Εͨଆ
    Ͳ͏΍ͬͯ఻͑Δʁ
    Global Variables
    Synchronization Mechanisms
    

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21. ελʔτΞοϓRuby Kindle൛͸͡Ί·ͨ͠ @igaiga555
    Global Variables
    ඇಉظʹݺͼग़͞Εͨ͜ͱΛϝϞ͢Δ
    Ͱ΋ϝϞͨ͜͠ͱΛ଴ͯͳ͍
    ϙʔϦϯά
    busy loopʹͳΔ͔΋...
    EINTRͱ͏·͘૊Έ߹ΘͤΔͷ΋ख
    

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22. hikari no cafe Ұॹʹߦ͜͏! ฏ೔ʹ༡ͼʹ͖ͯ!! > @ay
    Synchronization Mechanisms
    εϨουؒͷ଴߹ͤɺ఻ݴ
    ৚͕݅ἧ͏·ͰٳΉ
    εϨου͕ผεϨουʹ৘ใΛ఻͑Δ
    εϨου͕ผεϨου͔Βͷ৘ใΛड͚Δ
    

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23. @nagachika͞Μͷruby-trunk-changesɺ͍ͭ΋ݟͯ·͢!
    Latch, Semaphore, Monitor
    ৚͕݅ἧ͏·Ͱ଴ͭ
    ͋ͷඇಉظݺͼग़͕͋ͬͨ͠Αʂͱ͔Ͷ
    

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24. 6/5ͷAWS Summit Tokyo 2013Ͱ͠Ό΂Γ·͢ɻςΫχΧϧτϥοΫʹ͋ͿΕͨํ͸ͥͻɻ @tsuboi
    Queue
    ଴ͯΔ্ʹϞϊΛ౉ͤΔ
    FIFO
    ఻͍͑ͨΦϒδΣΫτΛpush, pop
    ۭͷͱ͖͸ΦϒδΣΫτ͕ಧ͘·ͰٳΉ
    

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25. ϑΣΠτɾςελϩοα http://www.fatechan.com
    Queue
    QueueΛ஥հʹೋͭεϨου͕ಉظ͢Δ
    while req = $q.pop
    do_it(req)
    end
    

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26. ϑΣΠτɾςελϩοα http://www.fatechan.com
    Queue
    QueueΛ஥հʹೋͭεϨου͕ಉظ͢Δ
    while req = $q.pop
    do_it(req)
    end
    class Service
    def foo(bar)
    $q.push(bar)
    end
    end
    

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27. ϑΣΠτɾςελϩοα http://www.fatechan.com
    Queue
    QueueΛ஥հʹೋͭεϨου͕ಉظ͢Δ
    while req = $q.pop
    do_it(req)
    end
    class Service
    def foo(bar)
    $q.push(bar)
    end
    end
    

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28. ϑΣΠτɾςελϩοα http://www.fatechan.com
    Queue
    QueueΛ஥հʹೋͭεϨου͕ಉظ͢Δ
    while req = $q.pop
    do_it(req)
    end
    class Service
    def foo(bar)
    $q.push(bar)
    end
    end
    sync!!!
    

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29. ϑΣΠτɾςελϩοα http://www.fatechan.com
    Queue
    QueueΛ஥հʹೋͭεϨου͕ಉظ͢Δ
    while req = $q.pop
    do_it(req)
    end
    class Service
    def foo(bar)
    $q.push(bar)
    end
    end
    sync!!!
    

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30. RubyKaigi 2013͸ແࣄϦϦʔε͞ΕͯͨΒiRubyKaigi'13ͰνΣοΫ!! @gutskun
    socket ...
    ಉظϝΧχζϜͱ͸ݺ͹Εͯͳ͍͚Ͳ...
    FIFO
    σʔλͷ౸ணΛ଴ͯΔ
    σʔλΛ౉ͤΔ
    

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31. @hemge ʹձͬͨͷ͸Rubyձٞ2007Ͱͨ͠Ͷʔɻࠓ౓ͦ͜দߐͷ࿨՛ࢠ԰͞ΜҊ಺͍ͯͩ͘͠͞ɻ
    Rinda::TupleSpace
    ॱংʹ͖·Γ͕ͳ͍
    λϓϧͷऔΓग़͠ʹΑΔ଴߹ͤͱ৘ใަ׵
    ύλʔϯϚον
    ActorϞσϧͷϝοηʔδͷج൫ʹ΋߹͏Α
    Τʔςϧ
    

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32. ΤϯδχΞืूதͰ͢ bit.ly/cookpad_jobs @mrkn
    Rinda::TupleSpace
    TupleSpaceΛத৺ʹෳ਺ͷεϨου͕ಉظ
    ΋͸΍ඇಉظݺͼग़͞Εؔ܎ͳ͍͚ͲӈଆͶ
    req = $ts.take([:req, ..])
    value = do_it(req)
    $ts.write([:ans, value])
    

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33. ΤϯδχΞืूதͰ͢ bit.ly/cookpad_jobs @mrkn
    Rinda::TupleSpace
    TupleSpaceΛத৺ʹෳ਺ͷεϨου͕ಉظ
    ΋͸΍ඇಉظݺͼग़͞Εؔ܎ͳ͍͚ͲӈଆͶ
    req = $ts.take([:req, ..])
    value = do_it(req)
    $ts.write([:ans, value])
    $ts.write([:req, ..])
    $ts.take([:ans, nil])
    

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34. ΤϯδχΞืूதͰ͢ bit.ly/cookpad_jobs @mrkn
    Rinda::TupleSpace
    TupleSpaceΛத৺ʹෳ਺ͷεϨου͕ಉظ
    ΋͸΍ඇಉظݺͼग़͞Εؔ܎ͳ͍͚ͲӈଆͶ
    req = $ts.take([:req, ..])
    value = do_it(req)
    $ts.write([:ans, value])
    $ts.write([:req, ..])
    $ts.take([:ans, nil])
    sync!!!
    

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35. ΤϯδχΞืूதͰ͢ bit.ly/cookpad_jobs @mrkn
    Rinda::TupleSpace
    TupleSpaceΛத৺ʹෳ਺ͷεϨου͕ಉظ
    ΋͸΍ඇಉظݺͼग़͞Εؔ܎ͳ͍͚ͲӈଆͶ
    req = $ts.take([:req, ..])
    value = do_it(req)
    $ts.write([:ans, value])
    $ts.write([:req, ..])
    $ts.take([:ans, nil])
    sync!!!
    

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36. ΤϯδχΞืूதͰ͢ bit.ly/cookpad_jobs @mrkn
    Rinda::TupleSpace
    TupleSpaceΛத৺ʹෳ਺ͷεϨου͕ಉظ
    ΋͸΍ඇಉظݺͼग़͞Εؔ܎ͳ͍͚ͲӈଆͶ
    req = $ts.take([:req, ..])
    value = do_it(req)
    $ts.write([:ans, value])
    $ts.write([:req, ..])
    $ts.take([:ans, nil])
    sync!!!
    sync!!!
    

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37. ΤϯδχΞืूதͰ͢ bit.ly/cookpad_jobs @mrkn
    Rinda::TupleSpace
    TupleSpaceΛத৺ʹෳ਺ͷεϨου͕ಉظ
    ΋͸΍ඇಉظݺͼग़͞Εؔ܎ͳ͍͚ͲӈଆͶ
    req = $ts.take([:req, ..])
    value = do_it(req)
    $ts.write([:ans, value])
    $ts.write([:req, ..])
    $ts.take([:ans, nil])
    sync!!!
    sync!!!
    

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38. Ұॹʹ͋ͷөըΛݟ͍ͨͰ͢ɻ > @nari3
    ·ͱΊ
    ඇಉظʹݺͼग़͞Εͨ݁ՌΛ஌Δͷ͸໘౗
    ಉظϝΧχζϜΛ࢖͏ͱ఻͑Δ͜ͱ͕Ͱ͖Δ
    

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39. Wait a moment
    ✓ +13:00ɹ
    ✓ dRuby͸ඇಉظݺͼग़͞Ε
    ✓ ݺͼग़͞Εͨ݁ՌΛผεϨουʹ఻͑Δಉظ
    ✓ ࣍͸ଈ࣌෮ؼ
    

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40. ֏͞ΜͷಠಛͷงғؾಌΕ·͢! ͍͔ͭ࿩ֻ͚͠ʹ͍͖·͢! - @elim
    όοΫάϥ΢ϯυॲཧ
    ଈ࣌෮ؼ
    ॲཧΛड͚෇͚ͨΒ੍ޚ͕໭Δ
    ड͚෇͚ॲཧͩͱࢥ͏ͱ׬ྃͯ͠Δ
    

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41. The dRuby Book ೔ຊޠ൛͸δϡϯΫಊͰۚͰങ͑Δ
    ͜Ε͸ඇಉظʁ
    ͏ʔΜ
    ࣗ෼ͷ౎߹ͱؔ܎ͳ͘ॲཧΛ࣮ߦ
    ࣗ෼ͷ౎߹ͱؔ܎ͳ͘׬ྃ
    

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42. 9/21 ಹਢԘݪ ͱͪ͗Rubyձٞ05 Eiffelຊ༁ऀͷञ೏͞Μ͕͘ΔΑʂ
    ݁Ռ͕ؾʹͳΔ
    ଈ࣌෮ؼͷଟ͘ͷ৔߹
    ΍Γͬͺͳ͠Ͱ͸ͳ͘
    ݁Ռʹڵຯ͕͋Δ
    ݁ՌΛ଴ͭAPI͕༻ҙ͞ΕͯΔ
    

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43. The dRuby Book Japanese Edition : Best as GIFT FROM JAPAN
    جຊతͳύλʔϯ
    ॲཧΛґཔ → νέοτ΋Β͏!
    ฒߦͯࣗ͠෼ͷ࢓ࣄΛ͢Δ
    νέοτ࢖ͬͯґཔͷ݁ՌΛ଴ͭ←ಉظ͢Δ
    

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44. `
    service
    جຊతͳύλʔϯ
    d
    request join
    ticket value
    application
    background task
    

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45. dRubyHiroba - dRuby hands-on 6/2 10:30- (RubyHiroba)
    νέοτͷྫ
    ιέοτͦͷ΋ͷ͕νέοτ
    ґཔΛॻ͖ɺ݁ՌΛಡΉ
    popenͳͲ΋ࣅͨΑ͏ͳ΋ͷ
    ticket = TCPClient.new(...)
    ticket.write('your task')
    my_important_task
    ticket.read
    

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46. 2013-9-21 ͱͪ͗Rubyձٞ05 @ ಹਢԘݪࢢ౦ಹਢ໺ެຽؗ
    νέοτͷྫ
    εϨου΋νέοτͷΑ͏ʹ࢖͑Δ
    joinͰ଴߹ͤͱ஋ͷऔಘ͕Ұ౓ʹͰ͖ΔΑ
    ticket = Thread.new { your_task }
    my_important_task
    ticket.join
    

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47. The dRuby Book
    νέοτͷྫ
    λϓϧεϖʔεͳΒλϓϧ
    ticket = Object.new
    tuple_space.write([:your_task, ticket])
    my_important_task
    tuple_space.take([:your_task_done, ticket])
    

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48. ʮαϯϥΠζग़ӢͰߦ͘ RubyWorld Conference 2013 ʯಉߦऀืूதʂ @yancya
    ΋ࣗ͠෼͕αʔόͩͬͨΒ
    ॲཧΛґཔ
    ฒߦͯࣗ͠෼ͷ࢓ࣄ͢Δ
    νέοτ࢖ͬͯґཔͷ݁ՌΛ଴ͭ
    

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49. ʮαϯϥΠζग़ӢͰߦ͘ RubyWorld Conference 2013 ʯಉߦऀืूதʂ @yancya
    ΋ࣗ͠෼͕αʔόͩͬͨΒ
    ॲཧΛґཔ
    ฒߦͯࣗ͠෼ͷ࢓ࣄΛ͢Δ
    νέοτ࢖ͬͯґཔͷ݁ՌΛ଴ͭ
    ґཔΛ଴ͭ
    

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50. ʮαϯϥΠζग़ӢͰߦ͘ RubyWorld Conference 2013 ʯಉߦऀืूதʂ @yancya
    ΋ࣗ͠෼͕αʔόͩͬͨΒ
    ॲཧΛґཔ
    ฒߦͯࣗ͠෼ͷ࢓ࣄΛ͢Δ
    νέοτ࢖ͬͯґཔͷ݁ՌΛ଴ͭ
    ґཔΛ଴ͭ
    ೋछྨ଴͍ͪͨ
    

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51. dRubyHiroba - dRuby hands-on 6/2 10:30- (RubyHiroba)
    ଴ͪํ͕·ͪ·ͪͩͱࠔΔ
    or Ͱ͸ͭͳ͛ͳ͍
    ࠷ॳͷ଴߹ͤͰࢭ·ͬͪΌ͏
    ͍Ζ͍ΖҰ౓ʹ଴ͯͳ͍ͱμϝ
    queue.pop or soc.read or rinda.take or ...
    

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52. dRubyHiroba - dRuby hands-on 6/2 10:30- (RubyHiroba)
    ҰൠԽͨ͠αʔόͷϧʔϓ
    ͍Ζ͍Ζ·ͱΊͯ଴ͭ
    ৽͍͠ґཔͳΒ...
    ׬ྃ௨஌ͳΒ...
    

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53. dRubyHiroba - dRuby hands-on 6/2 10:30- (RubyHiroba)
    ۉ࣭ʹͯ͠·ͱΊͯ଴ͭ
    ͲΕ΋ಉ͡APIͰ଴ͯΔΑ͏ʹۉ࣭ʹ͢Δ
    select()͸શͯΛϑΝΠϧʹͯ͠Δ
    TupleSpace͸tupleʹਖ਼نԽ
    

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54. dRubyHiroba - dRuby hands-on 6/2 10:30- (RubyHiroba)
    ·ͱΊ
    ଈ࣌෮ؼ͢Δͱ͖ɺ͍͍ͨͯ݁Ռ͕ؾʹͳΔ
    ݁ՌΛ଴ͭͷ͸ಉظ
    ඇಉظݺͼग़͞Εͱಉ͡Α͏ͳײ͡
    

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55. Wait a moment
    ✓ +22:00ɹ
    ✓ ଈ࣌෮ؼͰ΋ಉظ͕ϛι
    ✓ ࣍͸ࣗ෼͚ͩ͸ݻ·Βͳ͍౒ྗͷ͜ͱ
    

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56. Ruby's GC slide is here! :
    slidesha.re/19sbBwA (w/o animation, free ver) and gumroad.com/l/xWCR (w/ animation, premium ver)
    selectଐϝΠϯϧʔϓ
    select(ͨ͘͞Μͷιέοτ)
    ϒϩοΫ͠ͳ͍ιέοτͷಡΈॻ͖
    ͳʹ͔ॲཧΛ͢Δ
    

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57. ͵Ruby൪௕ɺ͍ͭ΋͓ੈ࿩ʹͳ͓ͬͯΓ·͢ʂTIMEXɺ͔Θ͍͍Ͱ͋Γ·͢ʂ
    ίʔϧόοΫͷύλʔϯ
    select(ͨ͘͞Μͷιέοτ)
    ϒϩοΫ͠ͳ͍ιέοτͷಡΈॻ͖
    ͳʹ͔ॲཧΛ͢Δ
    ϑϨʔϜϫʔΫ͕Ӆ͢
    ͜ͷลίʔϧόοΫ
    

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58. The dRuby Book
    ίʔϧόοΫͷ᠘
    select(ͨ͘͞Μͷιέοτ)
    ϒϩοΫ͠ͳ͍ιέοτͷಡΈॻ͖
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59. The dRuby Book
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    select(ͨ͘͞Μͷιέοτ)
    ϒϩοΫ͠ͳ͍ιέοτͷಡΈॻ͖
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    ૬ޓʹݺͼ߹͍ͬͯΔͱγεςϜશ
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    ͞Βʹผαʔόʹґཔͨ͘͠
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60. The dRuby Book
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    ϒϩοΫ͠ͳ͍ιέοτͷಡΈॻ͖
    ͳʹ͔ॲཧΛ͢Δ
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61. http://www.amazon.co.jp/registry/wishlist/1R43BBPSPUEEE/
    γϯάϧεϨου೿
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    ͯɺॲཧதͰ΋ϝΠϯϧʔϓʹ໭Δ
    ࣗવͳίʔυʹ͢Δͷ͸ۤ࿑͢Δ
    Fiberͱ͔ܧଓͱ͔...
    

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62. 2013-9-21ͱͪ͗Rubyձٞ05 @ ಹਢԘݪࢢ౦ಹਢ໺ެຽؗ
    ͋Εʁ
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63. 2013-9-21ͱͪ͗Rubyձٞ05 @ ಹਢԘݪࢢ౦ಹਢ໺ެຽؗ
    ϚϧνεϨουͰղ͘
    acceptͨ͠ΒThreadੜ੒ͯ͠readɺॲཧɺ
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    ίϯςΩετͷอଘ΍෮ݩ͕ෆཁ
    ࣗવͳίʔυ͕ॻ͚Δ
    ௕͍ॲཧ΋Ͱ͖Δ͠ɺผαʔϏεʹ׬ྃ
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64. 2013-9-21ͱͪ͗Rubyձٞ05 @ ಹਢԘݪࢢ౦ಹਢ໺ެຽؗ
    dRubyͷ࣮૷ͦͷ΋ͷ
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    Rubyʹ͓͚Διέοταʔόͷయܕ
    shttpsrv (ݪ͞ΜͷHTTPαʔόʔ)
    ඇৗʹૉ๿
    dRuby͸ͦͷΑ͏ʹ࡞ΒΕ͍ͯΔ
    

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65. dRubyHiroba - dRuby hands-on 6/2 10:30- (RubyHiroba)
    ·ͱΊ
    ඇಉظʹ͓͜Δ͍ΖΜͳ͜ͱ͸͍ͭ΋͍ͩͨ
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66. dRubyHiroba - dRuby hands-on 6/2 10:30- (RubyHiroba)
    ͱͪ͗RubyKaigi 05
    2013-9-21
    ಹਢԘݪ
    ট଴ߨԋ: ञ೏׮
    

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