How Developer Support Works

「開発支援という仕事」
Battle Conference U30 登壇資料
https://battleconference-u30.connpass.com/event/49985/

Transcript

1. ։ൃࢧԉͱ͍͏࢓ࣄ
   !OBPLJBJOPZB
   3FDSVJU.BSLFUJOH1BSUOFSTDP MUE
   

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2. w BJOPZB
   w dNJYJ
   w dOPXSFDSVJU
   w ΠϯϑϥͱΞϓϦ։ൃ͕

   ŧŔŕŪũƄŝſΤϯδχΞ
   BJOPZBJP
   

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3. View Slide

4. γϯϓϧͳϏϧυύΠϓϥΠϯπʔϧXBMUFSΛϦϦʔε͠·ͨ͠c"EWBODFE5FDIOPMPHZ-BC
   IUUQBUMSFDSVJUUFDIDPKQCMPH
   8BMUFSWCFUBΛϦϦʔε͠·ͨ͠c"EWBODFE5FDIOPMPHZ-BC
   IUUQBUMSFDSVJUUFDIDPKQCMPH
   

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5. )PXUPQMBZ4DBMBPOEPDLFSJ[FEJOGSBTUSVDUVSF4QFBLFS%FDL
   IUUQTTQFBLFSEFDLDPNBJOPZBIPXUPQMBZTDBMBPOEPDLFSJ[FEJOGSBTUSVDUVSF
   

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6. IUUQTFJHPTBQVSJKQ
   

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7. ΪϦΪϦ6OEFS
   ͋ͱ̑ϲ݄Ͱ͍̏͞Ͱ͕͢
   ͕Μ͹Γ·͢
   

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8. ࠓ΍͍ͬͯΔ͜ͱ
   

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9. l։ൃࢧԉz
   

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10. 4JUF3FMJBCJMJUZ&OHJOFFSJOH
    %FWFMPQFS1SPEVDUJWJUZ&OHJOFFSJOH
    ηΩϡϦςΟରԠ
    ΤϯδχΞ࠾༻ɾਓࣄɾ૊৫׆ੑ
    ࣾ಺*5
    FUDʜ
    

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11. ࢧԉର৅
    ฐࣾ಺੡։ൃ૊৫಺ͷ
    ෳ਺ϓϩμΫτ܈
    

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12. l։ൃΛՃ଎ͤ͞ΔͨΊͷ։ൃz
    ͳΒ
    ͳΜͰ΋΍Δ
    

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13. ͳͥ΍Δͷ͔ʁ
    

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14. ΤϯδχΞʹ
    σΟʔϓɾϫʔΫ
    ͯ͠΋Β͏ͨΊ
    

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15. View Slide

16. େࣄͳ͜ͱʹूத͢Δ
    
    ϢʔβʹՁ஋Λಧ͚Δ͜ͱ
    ͨͩҰ఺ʹूதͰ͖Δ
    ؀ڥͷͨΊʹ
    

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17. ϢʔβʹՁ஋Λಧ͚ΔͨΊʹ
    ຊ࣭తͰͳ͍ɺෆཁͳ
    ίετɾ࣌ؒɾ࣌ؒΛ࡟Δ
    
    γϟϩʔϫʔΫΛۃখԽ͢Δͷ͕໨త
    

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18. ྫ͑͹
    

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19. ϋΠύϫʔ$*ϚγϯಋೖͰ
    Ϗϧυ࣌ؒ୹ॖ
    

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20. Ϗϧυ࣌ؒͷ
    ୹ॖ
    4DBMBϓϩδΣΫτͷ
    ίϯύΠϧ
    ʴ
    ςετ
    ʴ
    EPDLFSJNBHFੜ੒
    ࣌ؒΛʹ
    

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21. Ϗϧυ࣌ؒͷ୹ॖ
    ʹ
    ࣌ؒ͸ۚͰങ͑Δ
    ʢ͔͔ͨͩ̎̌ສͰ
    
    

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22. ͱ͸͍͑ɺ
    ͓ۚͷແବݣ͍͸
    

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23. ྫ͑͹ɺ2"
    

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24. Ͱςελʔ͞ΜΛूΊͯ
    ࿑ಇू໿తʹςετ
    

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25. େྔͷςετ߲໨Λ
    ख࡞ۀͰ࣮ࢪ
    ϦϦʔε·Ͱ੾Ӌ٧·͍ͬͯΔͱ͋Γ͕ͪ
    
    

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26. ఆٛʹैͬͯػցతʹ
    ͜ͳͤΔ΋ͷ͸
    ࣗಈԽ͢Δ΂͖
    

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27. ςελʔ͞Μʹ͸
    ਓؒͰͳ͍ͱൃݟ͕
    ೉͍͠όάΛ୳͢͜ͱʹ
    ूதͯ͠΄͍͠
    

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28. εϚϗΞϓϦͷςετ
    ࣗಈԽج൫ͷಋೖ
    

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29. 0QFO45'ͷ
    ಋೖ
    ݕূ୺຤ͷςετϑΝʔϜߏங
    αΠόʔ͞Μ͓ੈ࿩ʹͳͬͯ·͢
    
    

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30. 0QFO45'ͷ
    ಋೖ
    ϦϞʔτϫʔΫ࣌΋
    ݕূ୺຤ར༻͕༰қʹ
    
    

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31. "QQJVNʹΑΔ
    ࣮ػFFςετ
    ݕূɾಋೖ
    0QFO45'4BVDFMBCTΛ
    ςετϑΝʔϜͱͯ͠
    ࣗಈԽج൫Λߏங
    <3.1Y2VJQQFSNFFUVQ>։ൃͷͨΊͷ։ൃdεϚϗΞϓϦ޲͚FFςετͷݕূಋೖࣄྫΛ௨ͯ͡d4QFBLFS%FDL
    IUUQTTQFBLFSEFDLDPNBJOPZBSNQYRVJQQFSNFFUVQOVNCFSLBJGBGBMTFUBNFGBMTFLBJGBTVNBIPBQVSJYJBOHLFFFUFTVUPGBMTFKJBO[IFOHEBPSVTIJMJXPUPOH[JUF
    

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32. "QQJVNʹΑΔ
    ࣮ػFFςετ
    ςετ࣮ߦͷ࢓૊ΈΛ
    ੔͑ͨ
    
    
    <3.1Y2VJQQFSNFFUVQ>։ൃͷͨΊͷ։ൃdεϚϗΞϓϦ޲͚FFςετͷݕূಋೖࣄྫΛ௨ͯ͡d4QFBLFS%FDL
    IUUQTTQFBLFSEFDLDPNBJOPZBSNQYRVJQQFSNFFUVQOVNCFSLBJGBGBMTFUBNFGBMTFLBJGBTVNBIPBQVSJYJBOHLFFFUFTVUPGBMTFKJBO[IFOHEBPSVTIJMJXPUPOH[JUF
    

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33. "QQJVNʹΑΔ
    ࣮ػFFςετ
    $IBMMFOHJOHͳ
    औΓ૊Έ΋
    Perceptual diffsʹΑΔσάϨͷݕग़཰ڧԽ

    https://github.com/uber/image-diff
    <3.1Y2VJQQFSNFFUVQ>։ൃͷͨΊͷ։ൃdεϚϗΞϓϦ޲͚FFςετͷݕূಋೖࣄྫΛ௨ͯ͡d4QFBLFS%FDL
    IUUQTTQFBLFSEFDLDPNBJOPZBSNQYRVJQQFSNFFUVQOVNCFSLBJGBGBMTFUBNFGBMTFLBJGBTVNBIPBQVSJYJBOHLFFFUFTVUPGBMTFKJBO[IFOHEBPSVTIJMJXPUPOH[JUF
    

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34. ࣗಈԽʹΑΔ࡟ݮ
    ͚ͩͰͳ͘ʜ
    

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35. 2"σΟϨΫγϣϯͷ
    ෛՙ࡟ݮ
    
    σΟϨΫλʔͷ
    γϟϩʔϫʔΫ࡟ݮ
    

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36. σΟϨΫλʔҎ֎ʹ΋ʜ
    ΤϯδχΞ୲౰֎ͷ࢓ࣄ
    γϟϩʔϫʔΫͩΒ͚
    

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37. ྫ͑͹
    ϚʔέςΟϯά୲౰
    σʔλूܭۀ຿
    

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38. ڪΔ΂͖
    ਓྗεΫϨΠ
    ϐϯά
    ച্ूܭγεςϜ
    σʔλग़ྗ"1*΍
    σʔλμϯϓػೳ͕ͳ͔ͬͨ
    ػೳ௥Ճͷ໨ॲ΋ͨͨͳ͍
    
    ˣ
    ଞࣾ؅ཧԼͷച্ूܭը໘Λ
    ̍ϖʔδͣͭΊͬͯ͘
    &YDFMʹసࣸʜ
    
    

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39. 4DSBQZʹΑΔ
    ͓खܰ
    εΫϨΠϐϯά
    ਓखͰ͸࣮ݱෆՄೳͩͬͨ
    ස౓Ͱͷച্ܭଌ͕
    Ͱ͖ΔΑ͏ʹ
    

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40. 4DSBQZʹΑΔ
    ͓खܰ
    εΫϨΠϐϯά
    4DSBQZΫϩʔϥ޲͚
    ϑϨʔϜϫʔΫ
    ਺ेߦॻ͚͹ͦͦ͜͜ಈ͘

    Ϋϩʔϥ͕ͭ͘ΕΔ

    ͓͢͢Ί
    http://asheesh.org/pub/scrapy-talk/#1
    

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41. ϧʔνϯϫʔΫ
    ଞʹ΋·ͩ·ͩͨ͘͞Μ͋Δ
    

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42. ձٞࣨ༧໿
    

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43. શࣾඪ४ͷձٞࣨ༧໿γεςϜ
    ͋ΒΏΔ*5Ϧςϥγɾۀ຿ܗଶͷશࣾһ ਺ສਓن໛
    ͕
    ౳͘͠࢖͑Δ΂͘࡞ΒΕͨݹͷγεςϜ
    

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44. ՄೳͳݶΓ࢖͍΍͘͢
    ม͑Δ͜ͱ͕೉͍͠΋ͷΛ
    ࣗ෼͕ͨͪม͑ΒΕΔൣғͰม͍͑ͯ͘
    ձٞࣨ༧໿ΞϓϦΛ
    ձٞࣨલʹઃஔ
    4MBDLJOUFHSBUJPO
    

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45. ଞʹ΋͍Ζ͍Ζ
    ίπίπࣗಈԽ
    

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46. w ϝʔϧͰ͔͠ల։͞Εͳ͍৘ใڞ༗ɻΤϯδχΞ
    औΓ͜΅͢

    4MBDLʹྲྀ͢࢓૊Έ࣮૷ .JDSPTPGUqPXΛར༻
    
    w QSJWBUFͳTMBDLDIBOOFMͷQVCMJDԽ

    DIBOOFMͷΞʔΧΠϒɾϦωʔϜͱ৽ن࡞੒Λ

    ߦ͏CPU࣮૷
    w ۀ຿πʔϧ܈ͷΞΧ΢ϯτਃ੥ɾ؅ཧ

    (PPHMF'PSN4MBDLͰDIBUPQTͳ෷͍ग़͠
    

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47. γϟϩʔϫʔΫ͸ΤϯδχΞ͔Β
    ௚઀ݟ͑ͳ͍ͱ͜Ζʹ΋
    ࢁ΄Ͳ͋Δ
    

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48. ίετͱ࣌ؒ͸
    ͪΓͭ΋ࣜʹ૿͑ͯ
    ϦϦʔε଎౓Λ஗ͤ͘͞Δ
    

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49. –Tom DeMarco, দݪ ༑෉༁ ʮϐʔϓϧ΢ΣΞʯ
    lձࣾͷϧʔνϯϫʔΫ͸ɺबۀ࣌ؒʹݟ߹͏ͱ
    ͜Ζ·Ͱ๲ு͢Δ܏޲͕͋Δz
    

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50. ΤϯδχΞྲྀͷղܾ๏Ͱ
    γϟϩʔϫʔΫΛ
    ௵͍͖ͯ͠·͠ΐ͏
    

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51. (4ͷهࣄ
    IUUQTXXXUFDIOPMPHZSFWJFXKQTBTHPMENBOFNCSBDFTBVUPNBUJPOFWFOUIFNBTUFSTPGUIFVOJWFSTFBSFUISFBUFOFE
    

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52. –Joel Spolsky ੨໦ ༃༁ ʮMore Joel on Softwareʯ
    l͝Έ͋Δͱ͜Ζʹۚ͸͋Δz
    

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53. –Eric Sink, ੨໦ ༃༁ ʮֵ৽తιϑτ΢ΣΞاۀͷ࡞Γํʯ
    lιϑτ΢ΣΞ։ൃऀ͸ձࣾͷதͰࣗ෼͕࠷΋ॏཁͳਓؒͩͱࢥ͍
    ࠐΉ܏޲͕͋Δɻ͍͋ʹ͘ͱ͜ͷଚେ͞ʹ͸͍ͬ΃Μͷਅ࣮͕͋Γɺ
    ։ൃऀ͕ଞͷਓͨͪͱ͏·͘ંΓ߹͏ͷΛ೉͍ͯ͘͠͠ΔɻͦΕͰ
    ΋ࢲͷओு͸มΘΒͳ͍ɻ։ൃऀͷεΩϧ͸ίʔσΟϯάҎ֎ͷ͞
    ·͟·ͳλεΫʹ΋ద༻Մೳͳͷͩɻ
    ɾΧελϚαʔϏε୲౰ͱͯ͠ɺ੡඼ͷ࢓૊ΈΛཧղ͍ͯ͠Δ
    ։ൃऀ͸໰୊ΛΑΓૣ͘ݟ͚ͭΔ͜ͱ͕Ͱ͖Δ
    ɾηʔϧεΨΠͱͯ͠ɺ੡඼ͷ࢓૊ΈΛཧղ͍ͯ͠Δ։ൃऀ͸
    ͦΕͰԿ͕Ͱ͖Δͷ͔ͱ͍͏࣭໰ʹ༰қʹ౴͑Δ͜ͱ͕Ͱ͖Δɻ
    ɾϚʔέςΟϯά୲౰ͱͯ͠ɺ։ൃऀ͸ϚʔέοτઓུʹӨڹ͢Δ
    ٕज़తͳબ୒͕͔͔ΘΔܾஅʹ໾ཱͭ͜ͱ͕Ͱ͖Δɻ
    اۀ͸͸։ൃऀ͕ιϑτ΢ΣΞߏஙҎ֎ͷ׆ಈʹ͔͔ΘΔ͜ͱΛ
    ڪΕΔ΂͖Ͱ͸ͳ͍ɻz
    

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