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アジリティを支える品質特性 / Agility and Quality Characteristics Developers Summit 2021 Summer

アジリティを支える品質特性 / Agility and Quality Characteristics Developers Summit 2021 Summer

Developers Summit 2021 Summer[A-1]アジリティを支える品質特性

講演日時:
2021年07月30日(金) 10:00 ~ 10:45

概要:
ビジネスにとってITは、「あると便利」から「有効」、「不可欠」を経て「中核そのもの」になりつつあり、柔軟かつ俊敏にソフトウェアエンジニアリングを進める力は企業の競争力の源泉となりました。本セッションでは、そのような競争力あるソフトウェアを開発し続ける力を構成する要素を、品質特性等の側面から掘り下げていきたいと考えています。

Takuto Wada

July 30, 2021
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  1. ΞδϦςΟΛࢧ͑Δ
    ඼࣭ಛੑ
    ࿨ా୎ਓ !U@XBEB

    #devsumiA
    +VM !σϒαϛՆ

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  2. t-wada
    t_wada
    twada
    📷🙆 📹🙅
    🙆
    ࣗݾ঺հ
    #devsumiA

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  3. ΑΖ͓͘͠ئ͍͠·͢
    illustrated by @mty_mno #devsumiA

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  4. Ϗδωεʹͱͬͯ*5͸ɺʮ͋Δͱศརʯ͔Βʮ༗ޮʯɺʮෆ
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    ྗͷݯઘͱͳΓ·ͨ͠ɻ
    ຊηογϣϯͰ͸ɺͦͷΑ͏ͳڝ૪ྗ͋Διϑτ΢ΣΞΛ։
    ൃ͠ଓ͚ΔྗΛߏ੒͢ΔཁૉΛɺ඼࣭ಛੑ౳ͷଆ໘͔Β۷Γ
    Լ͍͖͍͛ͯͨͱߟ͍͑ͯ·͢ɻ
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  6. ௕୔͞Μᐌ͘*5͸ࣄۀͷίΞʹͳͬͨ
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  8. IUUQTOPUFDPNNJ[@LVTIJEBOOBEBD
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    ܾΊΒΕͨͱ͖·Ͱʹ
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    ମݧͨ͜͠ͱͷͳ͍੡඼΍αʔϏεΛ࡞Δํ๏࿦
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  13. IUUQTXXXTMJEFTIBSFOFUBUTOBLBEBTT
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  15. ͳͥΞδϟΠϧ։ൃ͔
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  20. 42VB3&඼࣭Ϟσϧར༻࣌ͷ඼࣭ͷ඼࣭ಛੑͱ඼࣭෭ಛੑ
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  22. ΞδϦςΟͱؔ܎ͷਂ͍඼࣭ಛੑ͸Կ͔

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  23. มߋ༰қੑͷߴ͍ιϑτ΢ΣΞʹΑΔΞδϦςΟͷ֫ಘ
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  25. ΞδϦςΟΛࢧ͑Δ඼࣭ಛੑͰ͋Δอकੑͱɺͦͷ඼࣭෭ಛੑ
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  26. w.PEVMBSJUZ
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  27. ΞδϦςΟΛࢧ͑Δ඼࣭෭ಛੑཧղ༰қੑͱมߋ༰қੑ
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  31. $IBOHFBNQMJpDBUJPOมߋͷ૿෯

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  43. ΞδϟΠϧιϑτ΢ΣΞ։ൃએݴ͸ɺϑΟʔυόοΫΛऩू͠ɺͦΕʹج͍ͮͯ
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  46. " "
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  54. ܾఆʹ͸ɺ݁ՌతʹෆՄٯతͳ΋ͷ΍΄΅ෆՄٯతͳ΋ͷ͕͋Γ·͢ɻ͜ΕΒ͸Ұํ௨ߦͷυ
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    ͔ͬͨͱͯ͠΋ɺҎલͷ৔ॴʹ͸໭Εͳ͍͔ΒͰ͢ɻ͜ΕΛλΠϓͷܾఆͱ͠·͠ΐ͏ɻ
    ͔͠͠ɺ΄ͱΜͲͷܾఆ͸ͦͷΑ͏ͳ΋ͷͰ͸ͳ͘ɺมߋՄೳͰɺՄٯతͰɺ૒ํ޲ͷυΞͰ
    ͢ɻ΋͋͠ͳ͕ͨ͜͏ͨ͠λΠϓͷܾఆͰ࠷దͰͳ͍ܾఆΛͯ͠͠·ͬͨͱͯ͠΋ɺͦͷ݁
    Ռʹ௕͘଱͑Δඞཁ͸͋Γ·ͤΜɻ൶Λ։͚ͯɺ·ͨ໭Ε͹͍͍ͷͰ͢ɻλΠϓͷܾఆ͸ɺ
    ൑அྗͷߴ͍ݸਓ΍গਓ਺ͷάϧʔϓ͕ਝ଎ʹߦ͑·͢͠ɺͦ͏͢΂͖Ͱ͢ɻ
    ʔʔδΣϑɾϕκεɺ"NB[POגओ΁ͷखࢴ

    ʢ༁จ͸ʰϞϊϦε͔ΒϚΠΫϩαʔϏε΁ʱΑΓʣ
    5XPXBZ%PPSܾఆΛՄٯʹ͢Δ

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  55. " "
    Edit
    ͋ΒΏΔϨϕϧͷ࡞ۀʹରܾͯ͠ఆΛՄٯʹ͢Δ

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  56. " "
    Edit
    Undo
    ͋ΒΏΔϨϕϧͷ࡞ۀʹରܾͯ͠ఆΛՄٯʹ͢Δ

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  57. " "
    Extract Function
    ͋ΒΏΔϨϕϧͷ࡞ۀʹରܾͯ͠ఆΛՄٯʹ͢Δ

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  58. " "
    Extract Function
    Inline Function
    ͋ΒΏΔϨϕϧͷ࡞ۀʹରܾͯ͠ఆΛՄٯʹ͢Δ

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  59. " "
    git add/commit
    ͋ΒΏΔϨϕϧͷ࡞ۀʹରܾͯ͠ఆΛՄٯʹ͢Δ

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  60. " "
    git add/commit
    git restore/reset/rebase
    ͋ΒΏΔϨϕϧͷ࡞ۀʹରܾͯ͠ఆΛՄٯʹ͢Δ

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  61. ໭Δٕज़҆શʹਐΉٕज़
    wΤσΟλͷ6OEP
    w*OMJOF'VODUJPOϦϑΝΫλϦϯά
    wHJUSFTUPSF SFTFU SFCBTF SFWFSU
    w3FBSDIJUFDUJOH
    w$POUJOVPVT%FMJWFSZ

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  62. ΑΓେ͖ͳมߋ͸Ͳ͏͢Δ͔

    View full-size slide

  63. ໭Δٕज़҆શʹਐΉٕज़
    wΤσΟλͷ6OEP
    w*OMJOF'VODUJPOϦϑΝΫλϦϯά
    wHJUSFTUPSF SFTFU SFCBTF SFWFSU
    w3FBSDIJUFDUJOH
    w$POUJOVPVT%FMJWFSZ

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  64. IUUQTLPLPUBUBUBIBUFOBCMPHDPNFOUSZ
    ΞδϦςΟΛࢧ͑Δٕज़͸%FW0QT΁ମܥԽ͞Εͨ

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  65. ΞʔΩςΫνϟͷಛੑͷதʹ͸େ͖ͳӨڹΛٴ΅͠͏Δ΋ͷ͕ͭ͋Δɻզʑͷௐ
    ࠪͰ͸ɺ࣍ͷͭͷࣄ߲ʹʮಉҙͰ͖Δʯͱճ౴ͨ͠૊৫Ͱ͋Ε͹ϋΠύϑΥʔϚʔ
    Ͱ͋ΔՄೳੑ͕ߴ͍ɺͱ͍͏݁Ռ͕ग़ͨͷͰ͋Δɻ
    wςετͷେ൒Λɺ౷߹؀ڥΛඞཁͱͤͣʹ࣮ࢪͰ͖Δ
    wΞϓϦέʔγϣϯΛɺͦΕ͕ґଘ͢ΔଞͷΞϓϦέʔγϣϯ΍αʔϏε͔Β͸
    ಠཱͨ͠ܗͰɺσϓϩΠ·ͨ͸ϦϦʔεͰ͖Δ
    ΞʔΩςΫνϟʹؔΘΔ͜ͷͭͷಛੑΛɺզʑ͸ʮςετ༰қੑʯͱ
    ʮσϓϩΠ༰қੑʯͱݺΜͰ͍Δ͕ɺ͜ͷ͕ͭύϑΥʔϚϯεΛ
    ޲্ͤ͞Δ্ͰॏཁͩͱࢥΘΕΔɻ
    ςετ༰қੑͱσϓϩΠ༰қੑʢσϓϩΠಠཱੑʣ
    IUUQTXXXBNB[PODPKQEQ

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  66. σϓϩΠ༰қੑɺσϓϩΠಠཱੑΛࢧ͑Δ඼࣭෭ಛੑ
    IUUQTXXXJQBHPKQTFDSFQPSUT@IUNM
    .PEVMBSJUZɺ*OTUBMMBCJMJUZɺ3FQMBDFBCJMJUZͳͲ͕
    σϓϩΠ༰қੑͱσϓϩΠಠཱੑΛࢧ͑Δ

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  67. ҆શͳσϓϩΠͱ
    ҆શͳϦΞʔΩςΫςΟϯάΛٻΊͯ

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  68. IUUQTXXXJTFKJOHVPSKQBCPVUOBJLVVKJCBTIJIUNM
    1BSBMMFM$IBOHF҆શͳϦΞʔΩςΫςΟϯάઓུ
    ڮΛ৽͘͢͠Δͱ͖͸
    ·ͣݹ͍ڮͷྡʹ৽͍͠ڮΛ࡞Γ࢝Ίɺ
    ৽͍͠ڮͷ҆શ͕͔֬ΊΒΕ͔ͯΒ
    ݹ͍ڮΛఫڈ͢Δ

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  69. ҆શͳϦΞʔΩςΫςΟϯάετϥϯάϥʔύλʔϯ
    IUUQTXXXPSFJMMZDPKQCPPLT

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  70. ҆શͳσϓϩΠΛࢧ͑Δٕज़#MVF(SFFO%FQMPZNFOU
    IUUQTNBSUJOGPXMFSDPNCMJLJ#MVF(SFFO%FQMPZNFOUIUNM

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  71. ҆શͳσϓϩΠΛࢧ͑Δٕज़$BOBSZ3FMFBTF
    IUUQTNBSUJOGPXMFSDPNCMJLJ$BOBSZ3FMFBTFIUNM

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  72. ҆શͳσϓϩΠΛࢧ͑Δٕज़'FBUVSF5PHHMF 'FBUVSF'MBH

    IUUQTNBSUJOGPXMFSDPNCMJLJ'FBUVSF5PHHMFIUNM

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  73. ΞδϦςΟΛࢧ͑Δ಺෦඼࣭ͷ඼࣭ಛੑ͸อकੑͱҠ২ੑ
    IUUQTXXXJQBHPKQTFDSFQPSUT@IUNM

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  74. 0OFNPSFUIJOH

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  75. Α͍ઃܭͷຊ࣭&BTJFS5P$IBOHF &5$

    ʰୡਓϓϩάϥϚʔୈ൛ʱQ

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  76. Α͍ઃܭͷຊ࣭&BTJFS5P$IBOHF &5$

    զʑ͕஌ΔݶΓɺ͜ͷੈͷதͷ͋ΒΏΔઃܭݪଇ͸&5$ݪଇΛಛघԽͨ͠΋ͷͱͳ͍ͬͯ·͢ɻ
    ݁߹Λ࠷খԽ͢Δͷ͕๬·͍͠ͷ͸ͳͥͰ͠ΐ͏͔ ͦΕ͸ݒ೦Λִ཭͢Δ͜ͱͰɺมߋΛ͠΍
    ͘͢͢Δɺͭ·Γ͸&5$ݪଇͰ͢ɻ
    ੹຿Λ୯ҰԽ͢Δͱ͍͏ݪଇ͸ͳͥ༗ӹͳͷͰ͠ΐ͏͔ ͦΕ͸ཁٻͷมߋ͕୯ҰͷϞδϡʔϧ
    ʹରԠ͚ͮΒΕΔɺͭ·Γ͸&5$ݪଇͰ͢ɻ
    ໊લͷ෇͚ํ͕ͳͥॏཁͳͷͰ͠ΐ͏͔ʁͦΕ͸༏Ε໊ͨલ͸ίʔυͷՄಡੑΛ޲্ͤ͞ɺมߋ
    ࣌ʹ͸ͦͷ໊લΛखֻ͔Γʹ͢Δɺͭ·Γ͸&5$ݪଇͰ͢
    ʰୡਓϓϩάϥϚʔୈ൛ʱQ

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  77. ͢΂ͯΛΞδϟΠϧͳܗͰػೳͤ͞Δʹ͸ɺ༏Εͨઃܭʹ޲͚ͨϓϥΫςΟεΛ
    ࣮ફ͢Δඞཁ͕͋Γ·͢ɻͱ͍͏ͷ΋ɺ༏ΕͨઃܭʹΑͬͯมߋ͕༰қʹͳΔͨ
    ΊͰ͢ɻͦͯ͠มߋ͕༰қͰ͋Δ৔߹ɺ͋ΒΏΔϨϕϧͰ᪳᪯ͳ͘ௐ੔͕Մೳʹ
    ͳΔͷͰ͢ɻ
    ͦΕ͕ͦ͜ΞδϦςΟʔͱ͍͏΋ͷͳͷͰ͢ɻ
    ΞδϦςΟͷຊ࣭
    ʰୡਓϓϩάϥϚʔୈ൛ʱQ

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  78. ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠
    w ΞδϟΠϧͳ΍Γ͔͕ͨඞཁʹͳΔͷ͸ɺڝ૪ྗΛಘΔͨΊʹɺͩΕ΋౴͕͑Θ͔Βͳ
    ͍΋ͷΛ໛ࡧ͠ͳ͕Β࡞Γଓ͚ͳ͚Ε͹ͳΒͳ͍͔Β
    w Θ͔Βͳ͍ͳΓʹ΍ΓΑ͏͸͋ΔɻΘ͔Βͳ͍ͷͳΒɺϦϦʔεΛॏͶͯϑΟʔυόοΫ
    ϧʔϓΛճͯ͠ɺमਖ਼͠ͳ͕ΒֶͼΛ൓ө͍ͯ͘͠
    w ʮΞδϟΠϧͳ΍Γ͔ͨʯͱ͸ෆ҆ఆͰෆ࣮֬ͳঢ়ଶԼͰϑΟʔυόοΫʹج͍ͮͯৗʹ
    ҙࢥܾఆ͍ͯ͘͠ߦಈ༷ࣜ
    w ΞδϦςΟΛࢧ͑Δ඼࣭ಛੑ͸อकੑͱҠ২ੑ
    w ΞδϦςΟΛࢧ͑Δٕज़͸ݱ୅Ͱ͸%FW0QTͱͯ͠ମܥԽ͞Εͨ
    w ༷ʑͳϨϕϧͰݩʹ໭ΕΔٕज़ΛϚελʔ͢Δ͜ͱ͕ɺ༷ʑͳϨϕϧͰ҆શʹૉૣ͘ਐ
    ΉྗΛੜΉ
    w ڀۃతʹ͸ΞδϦςΟΛࢧ͑Δݪଇ͸&5$ݪଇͱ͍͑Δ
    w อकੑʹ༏Εɺมߋ༰қੑͷߴ͍ιϑτ΢ΣΞ͕ΞδϦςΟΛੜΉ

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