Why Mob Programming? - Speaker Deck

Why Mob Programming?

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8IZ.PC1SPHSBNNJOH 3BLVT.FFUVQ0TBLB େฏ௚޺ !PPIJSB Ϟϒϓϩͱ͍͏ಇ͖ํ

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ࣗݾ঺հ • େฏ௚޺ !PPIJSB • ೥ೖࣾ • 8FCΞϓϦέʔγϣϯΤϯδχΞ • ɹɹɹɹɹɹˠ৽نαʔϏεͷ։ൃʹैࣄ • +BWB5%%ઃܭࣗಈԽΧΠθϯϨΨγʔίʔυ(P ݟश͍$USMLࣗಈԻ੠ಡॻࣇͷ෕ϋΠΩϯά 2

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3 IUUQTRJJUBDPNBEWFOUDBMFOEBSSBLVT

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ָָਫ਼ࢉ։ൃνʔϜͰͷ ϞϒϓϩͷऔΓ૊ΈΛڞ༗ 4

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͖͔͚ͬ

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νʔϜͷ֦େ 6 ۀ຿஌ࣝ ٕज़εΩϧ ཭୤ ϝϯόʔ௥Ճ ৽ଔ Ϛωʔδϟʔ εΫϥϜϚελʔ

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ऴΘΒͳ͍λεΫ 7 ࣮૷ ࣭໰  ଴ͪ ϨϏϡʔ  ଴ͪ ࣮૷ ϨϏϡʔ  ଴ͪ मਖ਼ ࠶मਖ਼ ࣭໰ճ౴ ϨϏϡʔ ࠶ϨϏϡʔ Ϛʔδ ࣮૷ऀ ϨϏϡʔΞʔ ׬ྃ

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Ϟϒϓϩ΁ͷظ଴ײ 8 • ։ൃϝϯόʔͷ૿һʹରԠ  ٕज़εΩϧ͚ͩͰ͸଍Γͳ͍ϓϩμΫτݻ༗ͷۀ຿஌ࣝ΍  ҉໧஌Λ఻͑ͳ͕Β։ൃ͍ͨ͠ • ΞδϟΠϧ։ൃ΁ͷҠߦΛਪਐ  ϓϩμΫτՁ஋ͷߴ͍ॱʹ։ൃ͍ͯͨ͘͠Ίʹɺଐਓతͳ  ػೳ΍λεΫ͸ݮΒ͍ͨ͠

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ϞϒϓϩʹνϟϨϯδʂ

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Ϟϒϓϩͱ͸ 10 • ϞϒʢʹूஂʣͰͷϓϩάϥϛϯά  ϖΞϓϩͷෳ਺ਓόʔδϣϯ • ಉ࣌ؒ͡ʹɺ  ಉ͡৔ॴͰɺ  ͭͷ1$Λ࢖ͬͯɺ  ͭͷ՝୊ʹऔΓ૊Ή

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͜Μͳײ͡ 11

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12 ୆ͷϞχλɺ୆ͷ1$ ௐࠪ༻ͷ1$࣋ͪࠐΈ͸0,

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13 υϥΠόʔʢ1$Λૢ࡞͢Δਓɻਵ࣌ަ୅ʣ

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14 φϏήʔλʔʢࢦࣔΛग़͢ਓͨͪʣ

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15 • ຖिՐ༵ʙI  ݻఆ࿮ͰτϥΠ • ෦԰ͰνʔϜ  νʔϜʙਓ • ۀ຿λεΫ͕୊ࡐ  Ϟϒϓϩઐ༻λεΫΛߟ͑  Δͷ͸్தͰ࠳ં • ʙ෼Ͱަ୅  ަ୅͠ͳ͍͜ͱ΋ଟ͔ͬͨ

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Α͔ͬͨ఺

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ҙࢥܾఆͷߴ଎Խ 17 • ֬౓ͷߴ͍ҙࢥܾఆΛখ͘͞܁ΓฦͤΔ  શһͦͷ৔ʹ͍ΔͷͰʮ͋ͱͰ૬ஊʯ͕ͳ͍  ઃܭɾ࣮૷ํ਑ͷ߹ҙ͕ૣ͍ ΰʔϧ ཧ૝ Ϟϒ ͻͱΓ ελʔτ

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ϦʔυλΠϜͷ୹ॖ 18 • ଴͕ͪ࣌ؒͳ͘ͳΔ  ࣭໰΍૬ஊ͢ΔͷΛ଴͍ͬͯΔ࣌ؒ  ϨϏϡʔͯ͠΋Β͏ͷΛ଴͍ͬͯΔ࣌ؒ • ϨϏϡʔͷେ͖ͳࠩ͠໭͕͠ͳ͘ͳΔ  ͦ΋ͦ΋ಠཱͨ͠ϨϏϡʔ޻ఔͳ͠ɻϨϏϡʔ͠ͳ͕Β࣮૷  ɾεϖϧϛε͋ΔΑ  ɾ໋໊نଇҧ൓ͩͶ  ɾςετίʔυॻ͍ͨํ͕͍͍Μ͡Όͳ͍ʁ  ɾ͜͏͍͏ೖྗ͖ͨΒψϧϙʹͳΓͦ͏

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19 ࣮૷ ࣭໰  ଴ͪ ϨϏϡʔ  ଴ͪ ࣮૷ ϨϏϡʔ  ଴ͪ मਖ਼ ࠶मਖ਼ ࣭໰ճ౴ ϨϏϡʔ ࠶ϨϏϡʔ Ϛʔδ ࣮૷ऀ ϨϏϡʔΞʔ ׬ྃ ࣮૷ ࣮૷ मਖ਼ ࠶मਖ਼ ׬ྃ Ϟϒ ࣭໰ճ౴ ϨϏϡʔ ࠶ϨϏϡʔ Ϛʔδ

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҉໧஌ͷڞ༗ 20 • จॻԽ͞Ε͍ͯͳ͍ۀ຿஌ࣝ  ָָਫ਼ࢉͷ੡඼஌ࣝ΍ܦཧ஌ࣝ  ձࣾ΍νʔϜͷ։ൃϧʔϧ  $*πʔϧͷઃఆ΍֎෦࿈ܞ4%,ͳͲଐਓԽ͕ͪ͠ͳ஌ࣝ  ϚχϡΞϧνΣοΫͷϑϩʔ • ࣗ෼ͷ஌Βͳ͍ศརπʔϧ΍γϣʔτΧοτ  *%&ͷศརػೳ  3&45"1*ͷಈ࡞֬ೝπʔϧ  HJUίϚϯυ

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ͦͷଞϝϯόʔͷ੠ 21 • νʔϜͷج४Λ߹ΘͤΒΕΔ  ࣗಈςετ΍ڞ௨ԽΛͲͷఔ౓͕Μ͹Δʗखൈ͖͢Δ͔  ࣮૷࣌ͷӨڹൣғ΍ؾΛ͚ͭΔϙΠϯτ  ଞͷϝϯόʔ͕ͲΜͳϨϏϡʔࢦఠΛड͚͍ͯΔ͔ • ٬؍తʹݟΔ͜ͱ͕Ͱ͖Δ  φϏήʔλʔͩͱࢥߟʹ༨༟͕ग़Δ • ΈΜͳͰऔΓ૊ΜͰ׬ྃͰ͖ͨୡ੒ײ

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͍·͍ͪͩͬͨ఺

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ଞਓͷ1$ͭΒ͍ 23 • ෆຬଓग़  ΩʔϘʔυ഑ྻ +*4646, ɺ*OUFMMJ+ͷΩʔϚοϓɺ  (JU *OUFMMJ+4PVSDFUSFFHJU ɺτϥοΫύουδΣενϟɺʜ    • ࣗ෼ͷ1$Λ࣋ͪࠐΉϧʔϧʹมߋ  υϥΠόʔΛަ୅͢ΔλΠϛϯάͰ1$΋มߋ͢Δ • υϥΠόʔͷަ୅͕ଅਐ͞Εͳ͍  1$Λͭͳ͗ସ͑Δͷ໘౗ɺ్தͰQVTIQVMM͢Δͷ͕໘౗

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৺ཧతϓϨογϟʔ 24 • ݟΒΕ͍ͯΔʗऴΘΒͤͳ͖Όͱ͍͏যΓ  υϥΠόʔΛφϏήʔλʔ͕ϨϏϡʔ͢ΔߏਤʹͳΓ͕ͪ    • ࣌ؒͰ͸ͳ࣌ؒ͘࿮ʹτϥΠ  Iͷํ͕༨༟͕ग़ͯΑ͍ͱ͍͏੠͕ଟ਺ • ৺ཧత҆શੑ  ͓ޓ͍ʹࢥ͍΍Γɾ৴པɾଚܟͷؾ࣋ͪΛ๨Εͣʹ

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අ༻ରޮՌ 25 • Ϧιʔεޮ཰͸ѱ͍  ΢ΥʔλʔϑΥʔϧͱ͸૬ੑ͕ѱ͍  ಉ͡ظؒͷτʔλϧͷੜ࢈ྔ͸Լ͕Δ    • ޮ཰ΑΓޮՌ  ΞδϟΠϧͱ͸૬ੑ͕ྑ͍  τʔλϧͷੜ࢈ྔΑΓ΋ϦʔυλΠϜΛॏࢹ͍ͨ͠  ʢ༏ઌλεΫΛૣ͘ऴΘΒͤͯࠓޙΛ൑அ͍ͨ͠ʣ

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ͦͷଞϝϯόʔͷ੠ 26 • Ϟϒϓϩྗͷෆ଍  ਓ਺͕ଟ͍෼ɺٯʹൃࢄͯ͠͠·͏ͱऩर͕೉͍͠  φϏήʔλʔಉ࢜ͰԣͰউखʹ࿩࢝͠ΊΔ • ڭҭͱۀ຿ͷόϥϯε͕೉͍͠  ࣭໰ͯ͠Α͍ͷ͔᪳᪯͢Δ  εϐʔυʹ͍͍͚ͭͯͳ͍͜ͱ͕͋Δ • ؀ڥͷ໰୊  - σΟεϓϨΠ͕খͯ͘͞ݟͮΒ͍  - CI͕஗͍ͱ׬ྃͨ͠ͷʹϚʔδͰ͖ͳ͍

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·ͱΊ

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ࠓޙ΋ଓ͚͍͔ͨʁ ݄;Γ͔͑Γ࣌఺ ܽ੮ ਓ ଓ͚͍ͨ ਓ ੵۃతʹଓ͚͍ͨ ਓ 28 ݄;Γ͔͑Γ࣌఺ ଓ͚͍ͨ ਓ ੵۃతʹଓ͚͍ͨ ਓ ໊ʹର͢Δ୒ͷ࣭໰ʢੵۃతʹଓ͚͍ͨʗଓ͚͍ͨʗ΍Ί͍ͨʗੵۃతʹ΍Ί͍ͨʣ

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29 • ఆੑతʹ͸ޮՌ͕͋Δ  - 1ਓͰ΋2ਓͰ΋ͳ͘શһͰ໰୊ղܾ͢ΔΞϓϩʔν  Ұ෦ͷϝϯόʔ͔͠஌Βͳ͍ঢ়ଶˠօ͕஌͍ͬͯΔঢ়ଶ • Ϟϒϓϩͱ͍͏lखஈzͷ֫ಘ  ʮϞϒϓϩͰ΍Ζ͏ʯ͕νʔϜͷબ୒ࢶͷͭʹͳͬͨ • Ϟϒϓϩྗ͸·ͩ·ͩ  ݁ہ͸νʔϜྗɻࠓޙ΋νϟϨϯδΛଓ͚Δ

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ࢀߟจݙ • 8&#%#13&447PM • ಛू͸͡ΊͯͷϖΞϓϩʗϞϒϓϩ • ٴ෦͞Μˏָఱͷൃදࢿྉ • IUUQTTQFBLFSEFDLDPNUBLBLJOH • .PC1SPHSBNNJOHr"8IPMF5FBN"QQSPBDI • IUUQTXXXBHJMFBMMJBODFPSHSFTPVSDFTFYQFSJFODF SFQPSUTNPCQSPHSBNNJOHBHJMF • "EBZPG.PC1SPHSBNNJOH • IUUQTXXXZPVUVCFDPNXBUDI WQ@QWTM4H&* 30

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31 &OKPZ .PC1SPHSBNNJOH