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Concerns about Concerns

Concerns about Concerns

大阪Ruby会議02での発表スライドです

Shinichi Maeshima

September 15, 2019
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  1. Concerns
    about
    Concerns
    @willnet

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  2. Shinichi Maeshima
    !
    "
    #
    @netwillnet
    @willnet
    https://blog.willnet.in
    Willnet Inc.

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  3. ٕज़ސ໰ۀΛ͍ͯ͠·͢

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  4. ͓࢓ࣄ4/4తͳ΋ͷΛ։ൃ
    ͍ͯ͠·͢

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  5. Concerns
    about
    Concerns

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  6. 関心
    懸念

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  7. Concerns
    about
    Concerns
    $PODFSOT
    ʹؔ͢Δݒ೦

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  8. Concerns
    about
    Concerns

    Α͘ͳ͍$PODFSOTͷ
    ࢖͍ํΛݮΒ͍ͨ͠

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  9. ͦ΋ͦ΋$PODFSOTͬͯʁ
    w 3BJMT͔Βಋೖ͞ΕͨσΟϨΫτϦ
    w BQQNPEFMTDPODFSOT
    w BQQDPOUSPMMFSTDPODFSOT
    w த਎͸ͳ͍
    w ެࣜͷػೳઆ໌͸ͳ͍ 3BJMTΨΠυͳͲʹهࡌ͕ͳ͍

    w େ఍ͷ৔߹ɺNPEVMFͱͯ͠ෳ਺Ϋϥεʹڞ௨ͨ͠ఆ͕ٛஔ͔Ε
    Δ

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  10. $PODFSOTͷྫ

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  11. ؔ৺ࣄΛNPEVMFͱ͠
    ͯ෼཭͢Δ

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  12. ʮؔ৺ࣄʯͱ͍͏ͷ͕;Θͬ
    ͱ͍ͯ͠ΔͷͰ;Θͬͱͨ͠
    ࢖͍͔͕ͨ͞Ε͕ͪ

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  13. Ͳ͏͢ΔͱΑ͍ͷ͔ʜͱ͍͏
    ࿩ͷલʹ΋͏গ͠ࣄલઆ໌

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  14. ͜ΕɺͳΜͱͳ͘ఆٛͯ͠·ͤΜ͔ʁ

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  15. "DUJWF4VQQPSU$PODFSO
    w NPEVMFΛ֦ுͯ͠DPODFSOTΛ؆୯ʹ࡞ΕΔΑ͏ʹ͢Δ
    ΋ͷ
    w NPEVMFಉ࢜ʹґଘؔ܎͕͋Δͱ͖ͷ໰୊ΛΑ͠ͳʹղܾ
    ͯ͘͠ΕΔ΋ͷ

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  16. ެࣜυΩϡϝϯτͷίʔ
    υΛར༻ͯ͠આ໌͠·͢
    IUUQTBQJSVCZPOSBJMTPSHWDMBTTFT"DUJWF4VQQPSU$PODFSOIUNM

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  17. "DUJWF4VQQPSU$PODFSO
    ͷͳ͍DPODFSOT

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  18. ͜ΜͳܗʹͳΔ͜ͱ͕͋Δ

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  19. Ṗͷ͓࡞๏ͨͪ

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  20. NPEVMF͸ͦͷ··Ͱ͸ΫϥεϝιουΛ
    ௥ՃͰ͖ͳ͍
    ͷͰJODMVEFEϝιουͰIPPLͯ͠
    ௚઀FYUFOE͢Δ

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  21. JODMVEFͨ͠ΫϥεͷίϯςΩετͰͳʹ͔࣮ߦ͍ͨ͠
    ৔߹͸DMBTT@FWBMΛ࢖͏

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  22. ॳ৺ऀ͕औΓѻ͏ͷ͸
    ೉͍͠

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  23. "DUJWF4VQQPSU$PODFSO
    ͋ΓͷDPODFSOT

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  24. JODMVEFͨ͠ΫϥεͷίϯςΩετͰͳʹ͔࣮ߦ͍ͨ͠
    ৔߹͸͜͜ʹఆٛ͢Δ

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  25. Ϋϥεϝιου͸͜͜ʹఆٛ͢Δ

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  26. ϝλϓϩͷ஌͕ࣝͳͯ͘΋ؔ
    ৺ࣄͷ෼཭͕Ͱ͖ΔΑ͏ʹͳ
    Δ

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  27. Ϟδϡʔϧಉ࢜ʹґଘؔ܎͕
    ͋Δͱ͖ͷ໰୊ͷղফ

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  28. #BS͕'PPʹґଘ͍ͯ͠Δ

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  29. ॱ൪Λؒҧ͑ΔͱΤϥʔʹ

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  30. #BSʹ'PPΛJODMVEFͨ͠Β
    )PTU͸JODMVEFͷॱ൪Λؾʹ͠ͳͯ͘͢Ήʁ

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  31. CBTF͕#BSϞδϡʔϧʹͳͬͯ͠·͏ͷͰ
    )PTUʹ͸NFUIPE@JOKFDUFE@CZ@GPP͕௥Ճ͞Εͳ͍

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  32. "DUJWF4VQQPSU$PODFSOΛFYUFOE͍ͯ͠Δͱ
    Α͠ͳʹղܾ͞ΕΔʂ

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  33. "DUJWF4VQQPSU$PODFSOΛFYUFOE͍ͯ͠Δͱ
    Α͠ͳʹղܾ͞ΕΔʂ
    Ͳ͏΍࣮ͬͯݱ͍ͯ͠Δ͔͸
    ϝλϓϩ3VCZ΍࣮ࡍͷίʔ
    υΛಡΜͰΈ͍ͯͩ͘͞

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  34. ෳࡶͳNPEVMFΛෳ਺
    ѻ͏ͱ͖ʹ΂ΜΓ

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  35. DPODFSOTͷΞϯνύλʔϯ
    w ίϯτϩʔϥͷϏδωεϩδοΫΛDPODFSOTʹ͢Δ
    w SVCPDPQͷ$MBTT-FOHUIରࡦͰDPODFSOTʹ͢Δ
    w ෳࡶͳϩδοΫΛͦͷ··DPODFSOTʹ͢Δ
    w IPPLΛDPODFSOTʹ͢Δ

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  36. ίϯτϩʔϥͷϏδωεϩ
    δοΫΛDPODFSOTʹ͢Δ

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  37. $POUSPMMFSΛϦϑΝΫλϦϯά͢ΔͨΊʹ
    DPODFSOTͱͯ͠੾Γग़ͨ͠ʂ

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  38. $POUSPMMFS͕͖ͬ͢Γͨ͠ʁ

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  39. ͦ΋ͦ΋Ϗδωεϩδο
    Ϋ͸Ϟσϧʹॻ͘΂͖

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  40. Ϟσϧͷϝιουͱͯ͠Ҡಈͤͨ͞

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  41. 1PTUT$POUSPMMFS͔Β
    TBNF@DBUFHPSZ@QPTUTϝιου͕ݟ͑ͳ͘ͳ͚ͬͨͩͰͳ͘
    ϝιουͦͷ΋ͷΛ࣋ͨͳ͘ͳͬͨʂ

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  42. 1030Ͱ࣮૷͢Δํ๏΋͋Δ

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  43. ίϯτϩʔϥΛϦϑΝΫλϦ
    ϯά͢Δͱ͖ʹ͸·ͣϞσϧ
    ʹϩδοΫΛد͔ͤͯΒ

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  44. SVCPDPQͷ$MBTT-FOHUI
    ରࡦͰDPODFSOTʹ͢Δ

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  45. $MBTT-FOHUIΛ
    ௒͑Δͱ$*͕ίέΔ

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  46. Ϟδϡʔϧʹ੾Γग़ͨ͠Β$*͕௨ͬͨ
    1PTUͰ͔͠࢖ΘΕ͍ͯͳ͍NPEVMFͨͪ

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  47. ϑΝΠϧ͕෼͔Ε͚ͨͩͰɺ
    1PTUΫϥεࣗମ͸ͳʹ΋ม
    Θ͍ͬͯͳ͍

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  48. Ϟδϡʔϧʹ੾Γग़ͯ͠΋
    Ϋϥεͷ੹຿͸ݮΒͳ͍

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  49. ໊લ͕͍ͭͯ੾Γग़͞Εͨ෼
    ݟ΍͘͢ͳͬͨͷͰ͸ʁͱ͍
    ͏ҙݟ͸͋Γͦ͏

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  50. DPODFSOJOHͰ΋ಉ͜͡ͱ͕Ͱ͖ΔͷͰ
    ϑΝΠϧΛ෼͚Δඞཁ͸ͳ͍

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  51. SVCPDPQͷ$MBTT-FOHUIͷܯࠂ͸੹຿
    Λ࣋ͪ͗ͩ͢ɺͱ͍͏ҙຯͳͷͰ ଞͷΫ
    ϥεͱڞ௨Ͱͳ͍
    ϩδοΫ͸ผͷΫϥε
    ͱͯ͠੾Γग़͢ͷ͕

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  52. ෳࡶͳϩδοΫΛͦͷ
    ··DPODFSOTʹ͢Δ

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  53. طଘͷϞσϧΛܾΊΒΕͨܗࣜ +40/
    ܦ༝Ͱ
    ߋ৽ɺ࡟আ͢ΔͨΊͷϝιου

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  54. ࡟আͷ৚݅
    όϦσʔγϣϯ
    ߋ৽͞ΕΔ஋
    طଘͷϞσϧΛܾΊΒΕͨܗࣜ +40/
    ܦ༝Ͱ
    ߋ৽ɺ࡟আ͢ΔͨΊͷϝιου

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  55. ϦϑΝΫλϦϯάͷ
    ༨஍͕͋Δ

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  56. ҕৡͰ࣮૷ͯ͠ΈΔ

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  57. ॲཧͷ֓ཁΛ͔ͭΈ΍͘͢ͳͬͨʂ

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  58. ϝιουͱͯ͠੾Γग़ͯ͠ɺ
    ໊લͰ࣮ଶΛදݱ͢Δ͜ͱ͕Ͱ͖ͨʂ
    ࡟আͷ৚݅
    όϦσʔγϣϯ
    ߋ৽͞ΕΔ஋

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  59. ҕৡͰ࣮૷͢Δͱɺ
    ϓϥΠϕʔτϝιουΛ੾Γ
    ग़͠΍͍͢

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  60. ϞδϡʔϧͰ΋ϝιου෼ׂͰ͖ΔͷͰ͸ʁ

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  61. "DUJWF3FDPSE͕ఏڙ͍ͯ͠Δ
    JOWBMJE ϝιουΛΦʔόϥΠυͯ͠͠·͏

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  62. ͜ͷΠϯελϯεม਺΍ϝιου໊ɺ΄͔Ͱ࢖ͬͯͳ͍͔ͳʜʁ
    ͱߟ͑Δඞཁ͕͋Δ

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  63. ໊લͷিಥΛආ͚ΔͨΊʹɺ
    Ϟδϡʔϧʹ͸ͻͱͭͷϝιουʹ
    ϩδοΫ͕ଟ͘ॻ͔Εͯ͠·͍͕ͪ

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  64. https://twitter.com/dhh/status/964244090224128001

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  65. Իָੑͷҧ͍

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  66. ϞδϡʔϧͰ࣮૷͢Δͱɺ͢΂ͯͷ੹
    ຿͕࠷ऴతʹͻͱͭͷΫϥεʹू໿͞
    Εͯ͠·͏ͷͰߟ͑ͳ͚Ε͹͍͚ͳ͍
    ࣄ͕૿͑Δ

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  67. ҕৡͰ࣮૷͢Δͱ
    ໊લۭ͕ؒ෼͔Ε͍ͯΔͷͰ
    ߟ͑Δ͜ͱ͕ݮΔ

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  68. DPODFSOT͸͋͘·ͰHMVF

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  69. IPPLΛDPODFSOTʹ
    ͢Δ

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  70. ͻͱͭͷIPPLΛ
    DPODFSOTʹ·ͱΊ͍ͯΔ

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  71. ίʔϧόοΫʹΫϥε
    Λ౉͢΄͏͕Θ͔Γ΍͘͢ͳ͍Ͱ͔͢ʁ

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  72. ·ͱΊ
    w $PODFSOTͱ͸ͳΜͳͷ͔
    w "DUJWF4VQQPSU$PODFSOͱ͸ͳʹ͔
    w $PODFSOTͷΞϯνύλʔϯͱճආࡦ
    w ʹ͍ͭͯ͸ͳ͠·ͨ͠

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  73. $PODFSOTͱͯ͠੾Γग़͢ͱ͖Ε͍ʹ
    ͳͬͨؾ෼ʹͳΓ·͕͢ɺՙ෺Λ෦԰
    ͷ۱ʹҠಈͤͯ͞૟আͨ͠ؾ࣋ͪʹͳ
    Δͷʹࣅ͍ͯ·͢

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  74. $PODFSOTͱͯ͠੾Γग़͢͜ͱͰຊ
    ౰ʹίʔυ͕੔ཧ͞ΕΔͷ͔ɺݟ΍͢
    ͘ͳΔͷ͔΋͏Ұ౓ߟ͑ͯΈ·͠ΐ͏

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  75. DMFBOSBJMTPSH

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  76. Մಡੑͷߴ͍3BJMTͷ
    ίʔυʹ͍ͭͯ
    ࿩͢ίϛϡχςΟ

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  77. ҙݟ͕͋ͬͨΒ
    DMFBOSBJMTPSHͰ

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