チームによるいきいきとしたソフトウェア開発/an-alive-team-grows-software

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νʔϜʹΑΔ ͍͖͍͖ͱͨ͠ιϑτ΢ΣΞ։ൃ ࢣఋొஃ2018 ʲएखΤϯδχΞͷू͍ʳ 2018-01-21 ॾڮګհ @moro

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‣ (ࣸਅ) ղফͰ͖ͨෆ҆

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Kyosuke MOROHASHI moro moro

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Kyosuke MOROHASHI https://speakerdeck.com/moro/

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http://techlife.cookpad.com/entry/2017/04/06/172601

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νʔϜʹΑΔ ͍͖͍͖ͱͨ͠ ιϑτ΢ΣΞ։ൃ

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‣ ར༻ऀʹՁ஋Λಧ͚ΔͨΊʹɺԿΒ͔ͷιϑτ΢ΣΞΛഔ հͱͯ͠։ൃ͢Δ׆ಈશൠΛ ‣ 1ΤϯδχΞͱ͍͏֯౓͔ΒோΊͨදݱͰ͢ɻ ‣ ͳͷͰɺαʔϏε։ൃɺࣄۀ։ൃɺetc… Ͱ΋͍͍͔΋ ‣ ͬ͘͠ΓདྷΔ֯౓ʹಡΈସ͓͑ͯฉ͖͍ͩ͘͞ ιϑτ΢ΣΞ։ൃ

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‣ ར༻ऀʹՁ஋Λಧ͚ΔഔհͨΔʹ͸ɺϓϩάϥϜΛॻͩ͘ ͚Ͱ͸଍Γͳ͍ɻҎԼͷΑ͏ͳશମ͕ඞཁ: ‣ αΠτػೳ΍αʔϏεࢪࡦΛྑ͘͢Δ؍఺ͱ͔ ‣ ར༻ऀͷࠔΓ͝ͱʹدΓఴ͏؍఺ͱ͔ ‣ ։ൃͦΕࣗମΛޮ཰తʹ͢Δ؍఺ͱ͔ ‣ ࣄۀ/ࣄۀମͱͯ͠ܧଓͰ͖ΔΑ͏ʹ͢Δ؍఺ͱ͔ ιϑτ΢ΣΞ։ൃʺϓϩάϥϜΛॻ͘͜ͱ

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‣ ͦ͏͍͏ΈΜͳ͕େࣄͳΘ͚Ͱ͢ɻ ‣ ͦͷ͏͑Ͱɺ1ΤϯδχΞ/ϓϩάϥϚʔͱͯ͠ͷ؍఺͔Β  Ͳ͏͋Γ͍ͨͱࢥ͏͔ɺͱ͍͏࿩Λ͍ͭ΋͍ͯ͠·͢ɺ  ͱ͍͏࿩Λ͠·͢ɻ ʮશମʯͱͯ͠ͷιϑτ΢ΣΞ։ൃ

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νʔϜʹΑΔ ͍͖͍͖ͱͨ͠ ιϑτ΢ΣΞ։ൃ

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‣ ֤ϝϯόʔͷ಺తಈػ͚ͮΛҡ࣋ɾ࠶ੜ੒͍ͨ͠ɻ ‣ ͦΕΛଅ͢νʔϜͷ͋ΓΑ͏Λ໨ࢦ͢ɻ ͍͖͍͖ͱͨ͠

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“ And there's business value in fun - after all motivation is a major factor in programmer productivity.   ͦΕ͔Βɺʮָ͠͞ʯʹ΋ϏδωεՁ஋͕͋Γ·݁͢ہɺϞνϕʔγϣϯ ͕ͦ͜ϓϩάϥϚͷੜ࢈ੑΛࠨӈ͢ΔͷͰ͢ɻ https://martinfowler.com/bliki/DynamicTyping.html   ( http://bliki-ja.github.io/DynamicTyping/ )

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“ ΘΕΘΕ͸ػցͰ͸ͳ͍ͷͰɺ΍Γ͍ͨͱࢥ͏ͱ͖ ʹɺԿ͔Λୡ੒Ͱ͖ΔΜͰ͢ɻԿ͔Λୡ੒͢Δʹ͸ɺ ಥ͖ಈ͔͢಺ͳΔྗ͕ඞཁͰ͢ɻͦΕ͸Ϟνϕʔγϣ ϯʹΑͬͯݱΕΔΜͰ͢Ͷɻ ུ ϞνϕʔγϣϯΛ সͬͯ͸͍͚ͳ͍ɻ 「なんでRubyなんか作った!? 迷惑だ！」に対するMatzの答え    http://el.jibun.atmarkit.co.jp/rails/2012/10/ruby-matz-7080.html

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http://modernagile.org/

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‣ ೉͍͜͠ͱΛ͏·͘΍Δʹ͸ɺؔ܎ऀશһͷ  ओମతͳࢀՃ͕ඞཁͰ͋Δɻ ‣ ʮओମੑʯ͸ଞਓ͕஫ೖͨ͠ΓͰ͖ͳ͍ɻ ‣ ͦΕͧΕͷʮྑ͍࢓ࣄ͕͍ͨ͠ؾ࣋ͪʯΛ  ৴ͯ͡ɺݟ͚ͭͯɺ૬ޓʹྭ·͋͠͏ɻ ͍͖͍͖ͱͨ͠

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νʔϜʹΑΔ ͍͖͍͖ͱͨ͠ ιϑτ΢ΣΞ։ൃ

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‣ ΋Γ΋Γ࣮૷͢ΔएखΤϯδχΞ @iguchi1124 ‣ υϝΠϯΤΩεύʔτ / Done ͷఆٛ / MTGϑΝγϦςʔ τ / νʔϜ֎ͱͷ૭ޱ ͳͲΛҰखʹ୲͏σΟϨΫλʔ ‣ ( ͳͷ͚ͩͲɺReactॳಋೖͱ͔΋ͯ͘͠Ε͓ͯΓ͍͢͝ ) ‣ γχΞͳྲྀ͠ͷRubyist (ि2ϦϞʔτ) ‣ ͱɺࢲ @moro ձһࣄۀ෦Ϣʔβʔج൫νʔϜ

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νʔϜʹΑΔ ͍͖͍͖ͱͨ͠ ιϑτ΢ΣΞ։ൃ

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ΤϯδχΞಉ࢜Ͱ ίʔυΛॻ͘ νʔϜͰΑ͍ιϑτ ΢ΣΞʹҭͯΔ νʔϜͱνʔϜͷ֎ͷਓͱ ΈΜͳͰαʔϏεΛಧ͚Δ

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ΤϯδχΞಉ࢜Ͱ ίʔυΛॻ͘ νʔϜͰΑ͍ιϑτ ΢ΣΞʹҭͯΔ νʔϜͱνʔϜͷ֎ͷਓͱ ΈΜͳͰαʔϏεΛಧ͚Δ

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http://techlife.cookpad.com/entry/2017/04/06/172601

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http://techlife.cookpad.com/entry/2017/04/06/172601

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‣ πʔϧ΍ϑϨʔϜϫʔΫΛͨͩద༻͢Δ͚ͩͰ͸  ͏·͍͔͘ͳ͍ɻ ‣ ʮRailsͭΒ͍ʯ໰୊ ‣ എܠʹͳ͍ͬͯͦ͏ͳίϯηϓτΛɺࣗ෼ͨͪͰ  ͪΌΜͱࢼͯ͠ΈΑ͏ɻ ͜ͷ10೥ͷֶͼ:

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αʔϏε૚ͱͯ͠ͷ Form Object ΛΑ͘ߟ͑ͯΈΔ

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Value ObjectΛൃݟ͢Δ

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ΤϯδχΞಉ࢜Ͱ ίʔυΛॻ͘ νʔϜͰΑ͍ιϑτ ΢ΣΞʹҭͯΔ νʔϜͱνʔϜͷ֎ͷਓͱ ΈΜͳͰαʔϏεΛಧ͚Δ

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‣ ొ࿥தͷσʔλ͸όϦσʔγϣϯΛ؁ͨ͘͠ೖྗத σʔλͰ͸ͳ͍ɺͱ͔ ‣ ʮϑΥʔϜ͔ΒϝΞυͰϢʔβʔొ࿥ͯ͠ར༻͢Δʯ Ҏ֎ͷܖػͰϢʔβʔʹͳΔɺͱ͔ ͜Ε·ͰͷϏδωε͔ΒֶͿ

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‣ ར༻ऀʹͱͬͯ࢖͍΍͍͢΋ͷʹͳΔΑ͏ʹɺֶΜ ͩ֓೦ʹج͍ͯม͍͑ͯ͘ɻ ‣ ϦϑΝΫλϦϯάͨ͠Γɺ෼ׂͨ͠Γɺ৽نʹ࡞ͬ ͨΓɺ͍ΖΜͳ࡞ઓΛ࢖͍෼͚ͨΓซ༻ͨ͠Γ͢Δɻ ιϑτ΢ΣΞΛҭͯΔ

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‣ ҭͯΔํ޲ੑ΍ॱ൪͸ɺٕज़తͳཧ༝ͱɺϏδωε ΍ར༻ऀͷؔ৺͝ͱͷόϥϯεʹΑܾͬͯ·Δɻ ‣ ͦͷͨΊʹ΋ɺ͍ΖΜͳ৬ೳΛ࣋ͬͨਓ͕ू·Δ  νʔϜͰͦ͜ҭͯΒΔɻ νʔϜͰҭͯΔ

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‣ ;Γ͔͑Γ ‣ ݟੵΓͱܭըͮ͘Γ ͍ΖΜͳϓϥΫςΟε͕͋Δ͚Ͳɺͪΐͬͱͣͭࢼͨ͠:

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‣ ;Γ͔͑Γ ‣ ͜Ε·ͰʹԿΛ͔ͨ͠ ‣ ݟੵΓͱܭըͮ͘Γ ‣ ͜Ε͔ΒԿΛ͢Δ͔ ͍ΖΜͳϓϥΫςΟε͕͋Δ͚Ͳɺͪΐͬͱͣͭࢼͨ͠:

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‣ ຖि n ϙΠϯτਐΜͰ͍Δͷ͸Θ͔ͬͨɻ͕ɺ ʮ͍ͭͰ͖Δʯ͔͕ݟ͑ͮΒ͔ͬͨɻ ‣ ࣮ࡍʹॻ͍ͯΈͨΒɺײ͕֮දݱͰ͖ͯͨɻ

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‣ ࣾ಺ͷϓϥΫςΟεΛ༌ೖͨ͠ɻ ‣ υϝΠϯΤΩεύʔτʹ͞Θͬͯ΋Β͏ɻ ‣ େখ༷ʑͷؾ͍ͮͨ͜ͱΛͲΜͲΜ௚͢ɻ

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Χϯόϯʹ5SZΛషΔ

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‣ TryΛ͍ͭ΋໨ʹ͢ΔΑ͏ʹɺషͬͨɻ ‣ ͜Ε͸ະମݧͩͬͨΑ͏ͳɻ

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‣ ʮ͜Ε·ͰʯʹֶΜͰ ‣ RailsҰൠ΍ΞϓϦέʔγϣϯίʔυͷۤ࿑ ‣ ػೳͷ࢖ΘΕํ ‣ ʮ͜Ε͔ΒʯΛߟ͑Δ ‣ ͪΐͬͱͣͭʮΑ͍ʯઃܭΛ͢Δ ‣ ඞཁͳΒٕज़తෛ࠴ΛआΓೖΕΔ ֶशͱϑΟʔυόοΫ

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‣ ʮ͜Ε·ͰʯʹֶΜͰ ‣ ͜Ε·ͰͷνʔϜͷਐΊํɻ ‣ ࡞Ζ͏ͱͨ͠ػೳͰ΄Μͱ͏ʹඞཁͩͬͨ΋ͷɻ ‣ ʮ͜Ε͔ΒʯΛߟ͑Δ ‣ Try ‣ ͜Ε·ͰΛ౿·͑ͨݟੵΓͱܭըͮ͘Γɻ ֶशͱϑΟʔυόοΫ

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ΤϯδχΞಉ࢜Ͱ ίʔυΛॻ͘ νʔϜͰΑ͍ιϑτ ΢ΣΞʹҭͯΔ νʔϜͱνʔϜͷ֎ͷਓͱ ΈΜͳͰαʔϏεΛಧ͚Δ

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ʮ஌͍ͬͯͨʯ͜ͱ

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“ ͕ͩɺߴΈʹ౸ୡ͢Δ͜ͱ͕໨తͰ͋Ε͹ɺιϑτ ΢ΣΞ։ൃ͸ʮϓϩάϥϚʔͱͦͷଞେ੎ʯͰ੒ཱ ͢Δ΋ͷͰ͸ͳ͍ɻͦΕ͕ɺաڈ೥ؒͰࢲֶ͕Μ ͩ͜ͱͩɻ — エクストリーム・プログラミング「第25章結論」

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‣ αʔϏεΛར༻͢ΔϢʔβʔ͞Μ ‣ Ϣʔβʔ͞Μʹ޲͚ͨࢪࡦΛاը͢ΔଞͷνʔϜ ‣ Ϣʔβʔ͞ΜͷࠔΓࣄͷղܾ͕੹຿ͷνʔϜ ‣ ଞͷج൫ܥγεςϜΛ։ൃɾҡ࣋ɾվળ͍ͯ͠ΔνʔϜ ‣ … ʮϢʔβʔج൫ʯͷؔ܎ऀ

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‣ αʔϏεΛར༻͢ΔϢʔβʔ͞Μ ‣ Ϣʔβʔ͞ΜͷࠔΓࣄͷղܾ͕੹຿ͷνʔϜ ‣ ج൫ܥγεςϜΛ։ൃɾҡ࣋ɾվળ͍ͯ͠ΔνʔϜ ‣ Ϣʔβʔج൫νʔϜ ‣ … ʮϢʔβʔ͞Μʹ޲͚ͨࢪࡦΛاը͢ΔଞͷνʔϜʯͷؔ܎ऀ

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‣ ͋ΔࢪࡦͷϦʔνΛ૿΍ͨ͢Ίɺͦ͜ΛϝΠϯͰקΊ͍ͯΔνʔϜͱڞಉͯ͠ɺ Ϣʔβʔσʔλͷѻ͍ΛΨϥοͱม͑ͨɻ  Ϣʔβʔج൫νʔϜͰ͸αʔόଆAPIΛ࣮૷ͨ͠Γɺ݁Ռͱͯ͠Ϣʔβʔମݧ ͕Ͳ͏͋Δ΂͖͔Λઃܭͨ͠Γɺ࠷ऴ֬ೝͨ͠Γͨ͠ɻiOSΞϓϦಘҙͳਓ͕ গͳ͔ͬͨͨΊɺࢪࡦνʔϜͷΤϯδχΞ͕ࢪࡦͦΕࣗମͷΈͰͳ͘ɺΞϓϦ ্Ͱͷج൫෦෼΋Ұॹʹ࡞ͬͯ͘Εͨɻٕज़ج൫ܥνʔϜ(αʔόଆɺΞϓϦ ଆɺQA)΋ઃܭɾ࣮૷ΛҰॹʹਐΊͯ͘Εͨɻ  ݁Ռͱ͍͍ͯ͠ײ͡ʹಈ͘΋ͷΛఏڙͰ͖ͨɻ͕ɺେ͖ͳϦϦʔεͩͬͨͷͰ ଟগͷෆ۩߹΋ग़ͯ͠·͍ͬͯΔɻαϙʔτܥνʔϜͱڧௐͯ͠ਵ࣌ରԠதɻ ‣ ͱ͍͏ͷΛɺ஥ྑ͘ɺϢʔβʔ͞ΜͷํΛ޲͖ͳ͕Β΍ΕͨͷͰͨ͠ɻ ઌ೔ͷࣄྫ: (͘Θ͘͠͸WebͰ)

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http://techlife.cookpad.com/entry/2017/04/06/172601

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“ ʰॊೈͰ͍͍ײ͡ͷϢʔβʔج൫Λ໨ࢦ͢ʱͱ͍͏ͷ͕͜ͷ ࠶ߏஙϓϩδΣΫτͷ໨తͰ͢ɻ http://techlife.cookpad.com/entry/2017/04/06/172601

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ʮ෼͔͖ͬͯͨʯ͜ͱ

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“ 91ͷՁ஋͸ɺϏδωεͷੈքͰ࣮ફ͢΂͖΋ͷͩɻշదʹ฻ ΒͤΔੜ׆ΛૹΔ͚ͩͰͳ͘ɺؔ܎ऀશһ͕͓ޓ͍ʹϦεϖ Ϋτͨ͠ਓؒؔ܎ʹΑͬͯɺ৽͍͠ಇ͖ํΛ։ൃ͢ΔͷͰ͋ Δɻ׆ൃʹੵۃతʹɺੈքʹߩݙͰ͖Διϑτ΢ΣΞΛ࡞Γ ग़͢ͷͰ͋Δɻ૑଄తʹ͍͖͍͖ͱಇ͘ͷͰ͋Δɻ — エクストリーム・プログラミング「第25章結論」

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ΤϯδχΞಉ࢜Ͱ ίʔυΛॻ͘ νʔϜͰΑ͍ιϑτ ΢ΣΞʹҭͯΔ νʔϜͱνʔϜͷ֎ͷਓͱ ΈΜͳͰαʔϏεΛಧ͚Δ

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νʔϜʹΑΔ ͍͖͍͖ͱͨ͠ιϑτ΢ΣΞ։ൃ ࢣఋొஃ2018 ʲएखΤϯδχΞͷू͍ʳ 2018-01-21 ॾڮګհ @moro