新米エンジニアがレガシーシステムを死に物狂いでグロースハックした話 #xpjug / 20170916

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৽ถΤϯδχΞ͕ϨΨγʔγεςϜΛ  ࢮʹ෺ڰ͍ͰάϩʔεϋοΫͨ͠࿩ 2017-09-16 (Sat)  XPࡇΓ2017  presented by @yuzutas0

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ɹSho Yokoyamaɹ@yuzutas0 ɹɹ     ● ϦΫϧʔτςΫϊϩδʔζ ● ೝఆεΫϥϜϚελʔ ● ࣮͸΋͏৽ถͰ͸ͳ͍

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࣮͸΋͏৽ถͰ͸ͳ͍  ↓ ౰࣌ΛৼΓฦΔͱ  ʮ݁ՌతʹΞδϟΠϧϓϥΫςΟεΛ  ద༻͍ͯͨ͠ͷͰ͸ʁʯ  ↓  ͜ͷػʹࡇΔ

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ɹຊ೔࿩͢಺༰ ৽ถΤϯδχΞ  ௿͍εΩϧϨϕϧ 19νʔϜ͔Βಉ࣌ґཔ  ଟ༷ͳεςʔΫϗϧμʔ 10೥෺ɾେن໛  ϨΨγʔγεςϜ 4ϲ݄Ͱ120Ҋ݅Λ͞͹͘ ϢʔβʔΞΫγϣϯ਺2.8ഒ ࢼߦࡨޡ  ϘτϧωοΫΛ1ͭ1۪ͭ௚ʹղফ x ݁ՌతʹΞδϟΠϧϓϥΫςΟε

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੍໿͕ଟ͍ͱ͖ͦ͜ ● ϘτϧωοΫͷಛఆͱղফ ● ෢ثʢΞδϟΠϧϓϥΫςΟεʣ → ୹ظؒͰ੒ՌΛ্͛Δ͜ͱ͕Ͱ͖Δ ɹ఻͍͑ͨ͜ͱ

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1. ʲഎܠʳάϩʔεϋοΫͩʂ 2. ʲ՝୊ʳεςʔΫϗϧμʔ͕Ϡό͍ʂ 3. ʲ՝୊ʳ։ൃεΩϧ͕Ϡό͍ʂ 4. ʲ՝୊ʳγεςϜ͕Ϡό͍ʂ 5. ʲ·ͱΊʳΞδϦςΟͩʂ ɹΞδΣϯμ

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1. ʲഎܠʳάϩʔεϋοΫͩʂ 2. ʲ՝୊ʳεςʔΫϗϧμʔ͕Ϡό͍ʂ 3. ʲ՝୊ʳ։ൃεΩϧ͕Ϡό͍ʂ 4. ʲ՝୊ʳγεςϜ͕Ϡό͍ʂ 5. ʲ·ͱΊʳΞδϦςΟͩʂ ɹΞδΣϯμ

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ɹϦϘϯϞσϧͷ๭ϝσΟΞ ΫϥΠΞϯτ اۀ ΧελϚʔ Ϣʔβʔ ޿ࠂΛग़͢ ৘ใΛ୳͢   ࡭ࢠɹ8&#αΠτʢ1$εϚϗΨϥέʔʣɹ ϞόΠϧΞϓϦʢJ04ɺ"OESPJEʣ IUUQGSFFJMMVTUSBUJPOTHBUBHOFUIUNM

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ڝ߹ͷ୆಄ ↓ ୹ظؒͰϢʔβʔΞΫγϣϯ਺Λ૿΍ͦ͏ ↓ ଟ਺ͷνʔϜ͕ಠࣗͰPDSαΠΫϧΛճ͢ ɹάϩʔεϓϩδΣΫτ

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ɹAPج൫Λ୲౰ ͜͜ͷ

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ɹAPج൫Λ୲౰ ͜͜ͷ ͜͜ͷ

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ɹAPج൫Λ୲౰ ͜͜ ͜͜ͷ ͜͜ͷ

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ɹWebAPI։ൃ

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ɹ19νʔϜ͔Βґཔ͕ͳͩΕࠐΉ

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ɹWebAPI͕શγεςϜͷதܧ஍఺ͩͬͨ 50+ ͷαϒγε 3500+ tables  100,000+ columns ‘00೥୅ͷSEOରࡦͷ໊࢒  ίϯςϯπྔͷଟ͞Ͱ্Ґදࣔ  ෳ਺αΠτͷ಺༰Λޓ͍ʹܝࡌ͋͠͏࢓༷

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ɹࢪࡦΛࢧ͑Δ໾ׂ ࢪࡦ ࢪࡦ ࢪࡦ

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ɹࢪࡦྫ ౰࣌·ͩະख़ͩͬͨ  ϞόΠϧΞϓϦʹը૾Λग़͢ ϝϧϚΨͷ࠷దԽϨίϝϯυ ʢ഑৴όον → WebAPI → Solrʣ IUUQTTVQQPSUUNPCJMFDPNDPNNVOJUZQIPOFTUBCMFUTEFWJDFTBQQMFJQIPOF IUUQTQJYBCBZDPNFOMFUUFSNBJMNBJMJOHFNBJMNBJMCPY

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ɹԹ౓ײ 1ՕॴͰ΋Өڹ֬ೝΛଵͬͯ  ໰୊͕ى͖ͨΒɺؔ࿈γεςϜ શମ͕μ΢ϯ͠͏Δ 1ͭͰ΋։ൃҊ͕݅஗ΕͨΒ  ۄಥ͖ͰଞͷҊ݅·Ͱ஗Εͯ  શνʔϜͷܭը͕஗Ԇ͢Δ ΫΦϦςΟ ΞδϦςΟ

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ɹॳ݄࣮੷ 6ରԠ / 27ґཔ

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ɹͲͷνʔϜ΋ࢪࡦ͕ଧͯͳ͍ ࢪࡦ ࢪࡦ ࢪࡦ Blocker ❌

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1. ʲഎܠʳάϩʔεϋοΫͩʂ 2. ʲ՝୊ʳεςʔΫϗϧμʔ͕Ϡό͍ʂ 3. ʲ՝୊ʳ։ൃεΩϧ͕Ϡό͍ʂ 4. ʲ՝୊ʳγεςϜ͕Ϡό͍ʂ 5. ʲ·ͱΊʳΞδϦςΟͩʂ ɹΞδΣϯμ

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ɹεςʔΫϗϧμʔ͕ଟ͗͢Δ໰୊

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νʔϜͰʮޒ݄Ӎߴ଎΢ΥʔλʔϑΥʔϧʯͱݺͿϓϩηε͕ࣗવͱߏங͞Εͨ ɹΰʔϧ ɹํ๏ ɹ։ൃϓϩηεߏங ҆ఆԽ ߴ଎Խ ηϨϞχʔ يಓमਖ਼ ΞΠςϜ ՄࢹԽ

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ɹࣾ಺ͷ։ൃඪ४ɾςϯϓϨ͸͋ͬͨ ● ๲େͳϧʔϧ܈ ʹ ͙͢ʹ࢖͑ͳ͍ ɹɹɹɹɹɹɹɹɹʮ뱌ʯʹֻ͕͔࣌ؒΔ  ● ͦͷ࣌ʑͰඞཁͳ΋ͷ ʹ ϓϧϕʔεͰ੔උ ɹɹɹɹɹɹɹɹɹʢͤ͟ΔΛಘͳ͔ͬͨʣ IUUQTQJYBCBZDPNFOMJCSBSZCPPLTNPOUFTTPSJTIFMG

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νʔϜͰʮޒ݄Ӎߴ଎΢ΥʔλʔϑΥʔϧʯͱݺͿϓϩηε͕ࣗવͱߏங͞Εͨ ɹΰʔϧ ɹํ๏ ɹ։ൃϓϩηεߏங ҆ఆԽ ߴ଎Խ ηϨϞχʔ يಓमਖ਼ ΞΠςϜ ՄࢹԽ ҆ఆԽ ΞΠςϜ ՄࢹԽ

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ɹ՝୊؅ཧ ● Excel্Ͱ՝୊ϦετΛ؅ཧ  ɹɹগ͠Ͱ΋ʮ໰୊ͩʂʯͱࢥͬͨ͜ͱ͸ىථ ● εΫϥϜʹ͓͚Δো֐෺Ϧετ IUUQXXXJSBTVUPZBDPNCMPHQPTU@IUNM

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ɹҊ݅؅ཧ ● ಉ༷ʹExcel্ͰҊ݅ϦετΛ؅ཧ  ɹɹཁ݅ɺ޻਺ɺظݶɺ༏ઌ౓ɺଞνʔϜӨڹ ● εΫϥϜʹ͓͚ΔϓϩμΫτόοΫϩά

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ɹλεΫ؅ཧ ● νʔϜڞ༗ͷςΩετϑΝΠϧͰTODO؅ཧ  ɹɹ“िͷλεΫҰཡ” ͱ “ணखத࡞ۀͷ୲౰ऀ” ΛՕ৚ॻ͖  ● εΫϥϜʹ͓͚ΔεϓϦϯτόοΫϩά IUUQXXXGSFFQJLDPNGSFFJDPOUYUpMF@IUN

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͙͢ಡΈʹ͘͘ͳΔ → KISSͷపఈ → ݁Ռͱͯ͠τϤλ΢ΣΠ ɹʲλεΫ؅ཧʳ “.txt” for Lean কདྷ·Ͱશ෦ॻ͘ͷ͸×  = ͦͷिͷλεΫ͚ͩ ʢλΠϜϘοΫεͷ֓೦ʣ ϚϧνλεΫ͸×  = ্͔Βॲཧ ʢWIP੍ݶɾҰݸྲྀ͠ʣ TODO TODO TODO TODO TODO

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νʔϜͰʮޒ݄Ӎߴ଎΢ΥʔλʔϑΥʔϧʯͱݺͿϓϩηε͕ࣗવͱߏங͞Εͨ ɹΰʔϧ ɹํ๏ ɹ։ൃϓϩηεߏங ҆ఆԽ ߴ଎Խ ηϨϞχʔ يಓमਖ਼ ΞΠςϜ ՄࢹԽ ҆ఆԽ ηϨϞχʔ يಓमਖ਼

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ɹҊ݅ͷ༏ઌॱҐ ● 19νʔϜͱͷݸผௐ੔ˍ఻ݴήʔϜ͸ΧΦεʹͳͬͨ ● શମϛʔςΟϯάͰिʹ1ճ͚ͩ༏ઌॱҐΛશһͰೖΕସ͑ ɹɹɹ໨ۄҊ݅ ʼ ޻਺͕খ͍͞Ҋ݅ ʼ ޻਺͕େ͖͍Ҋ݅ ● εΫϥϜʹ͓͚ΔόοΫϩάϦϑΝΠϝϯτ

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ɹνʔϜ಺ͷঢ়گڞ༗ ● ͜·Ίʹ಺෦ڞ༗͍ͨ͠ 㱻 ໨ઌͷ࡞ۀʹूத͍ͨ͠ ● ස౓͸৭ʑࢼͯ͠1೔1-2ճ͕ఆண ● εΫϥϜʹ͓͚ΔσΠϦʔϛʔςΟϯά IUUQXXXJSBTVUPZBDPNCMPHQPTU@IUNM

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ɹଞγεςϜӨڹͷ֬ೝ ● ϦϦʔεલʹվम಺༰Λिʹ1ճͷԣஅϛʔςΟϯάͰ࠷ऴ֬ೝ ɹɹͦͷࡍʹؔ܎֤Ґ͔Βʮ͜ͷ఺Λҙࣝ͢ΔͱΑΓྑ͘ͳΔʯͷϑΟʔυόοΫ΋ ● εΫϥϜʹ͓͚ΔεϓϦϯτϨϏϡʔ   ϦϦʔεԆظ   ͦͷ··Goʂ Өڹʹݒ೦͕͋Δʁ Yes No

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ɹϚΠϧετʔϯ੔ཧ ● ଞνʔϜͷܭը͕ࠞཚ → ീํ͔Βʮ͍ͭͰ͖ͦ͏Ͱ͔͢ʁʯ  ● िʹ1ճ “ͦͷि΍Δ͜ͱ” ͱ “ࠓޙͷݟ௨͠” Λཱͯ௚ͨ͠ ɹɹҊ݅ͷݟੵ΋Γ͸ࣗવͱʮ0.5೔ɺ1೔ɺ2೔…ʯͷ૬ର஋ʹͳͬͨ ● εΫϥϜʹ͓͚ΔεϓϦϯτϓϥϯχϯάʢୈ1෦ʣ 0.5 IUUQXXXJSBTVUPZBDPNCMPHQPTU@IUNM 1 2 3 5 8

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ɹʲϚΠϧετʔϯʳ ݟੵ΋Γ 㱻 ࣮ଶ ● ޻਺ϕʔεͷܭը͕໾ʹཱͨͳ͍ ● ࡉ͔͘ϞχλϦϯάͨ͠ ʹ 1िؒͰѻ͑Δྔ͕ݟ͑ͨ ɹɹʲ݁ՌʳҊ݅։ൃʹ࢖͏࣌ؒ͸1೔ͷ2ׂʙ4ׂʹऩଋͨ͠ ɹɹʲ׆༻ʳݟཱͯ޻਺͕2࣌ؒ → ޻ظ͸3ഒͷ6࣌ؒʢ㲈1೔ʣ ● εΫϥϜʹ͓͚ΔϕϩγςΟ IUUQXXXJSBTVUPZBDPNCMPHQPTU@IUNM

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νʔϜ಺ͷશһͰ࠷ॳʹೝࣝΛἧ͑Δ ɹ“ख໭Γ” ໰୊ 1 / 4 ੡଄ ઃܭ ࢼݧ ϦϦʔε ཁ݅ఆٛ ཁ݅ఆٛ ● Ϟϒ ϓϩάϥϛϯά ϗϫΠτϘʔυίʔσΟϯά - “ઃܭํ਑” ΍ “ॻ͖ํ” ● Ϟϒ ϓϩάϥϛϯά TODOચ͍ग़͠ - 1ͭ໿20෼ఔ౓ͷ࡞ۀΛશͯՄࢹԽ

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લ޻ఔΛॏࢹ͢Δ ɹ“ख໭Γ” ໰୊ 2 / 4 ੡଄ ઃܭ ࢼݧ ϦϦʔε ཁ݅ఆٛ ● ޙ͔Βͷʮ͜ΕͳΜ͚ͩͬʁʯʮͲ͏͢ΔΜ͚ͩͬʁʯ → “΍Γ௚͠” ͸࠷ѱ ● ࣗ෼ͰεέδϡʔϧΛίϯτϩʔϧ͍ͯ͠Δ҆৺ײ ● εΫϥϜʹ͓͚ΔεϓϦϯτϓϥϯχϯάʢୈೋ෦ʣ

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ʢࠩ͠ࠐΈґཔͱಉ͡Ͱʣ૝ఆ֎࡞ۀ = ܭը͕ཚΕΔ ɹ“ख໭Γ” ໰୊ 3 / 4 ੡଄ ઃܭ ࢼݧ ϦϦʔε ཁ݅ఆٛ ϨϏϡʔ ʮͲΜͳҊ݅Ͱ͚ͨͬ͠ʁʯ  ʮ΋ͬͱྑ͍ॻ͖ํ͕͋Γͦ͏ʯ ଞνʔϜͰγεςϜো֐  ʮAPI࢓༷Λڭ͍͑ͯͩ͘͞ʯ όά͕ݟ͔ͭΔ  → ࡞Γ௚͠ ੡଄ ࢼݧ ϦϦʔε

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ૣ͘͢ΔͨΊʹɿલ޻ఔʹ࣌ؒΛֻ͚ͯ඼࣭୲อ - Doneͷఆٛ ɹ“ख໭Γ” ໰୊ 4 / 4 ੡଄ ઃܭ ࢼݧ ϦϦʔε ཁ݅ఆٛ ੡଄ ઃܭ ࢼݧ ίʔυΛॻ͘લʹଞνʔϜڞ༗ ো֐࣌ʮAPIͰ͸ͳ͍ʯ੾Γ෼͚ ࢼݧϑΣʔζ͸μϝԡ͠ 1݅Ͱ΋όά͕ग़ͨΒ࠶ൃ๷ࢭ ίʔυΛॻ͖ͳ͕Β ೏͏ҟৗܥ·Ͱςετ

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νʔϜͰʮޒ݄Ӎߴ଎΢ΥʔλʔϑΥʔϧʯͱݺͿϓϩηε͕ࣗવͱߏங͞Εͨ ɹΰʔϧ ɹํ๏ ɹ։ൃϓϩηεߏங ҆ఆԽ ߴ଎Խ ηϨϞχʔ يಓमਖ਼ ΞΠςϜ ՄࢹԽ ߴ଎Խ ηϨϞχʔ يಓमਖ਼

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ɹ՝୊ϦετΛ΋ͱʹվળ ● िʹ1ճ͚ͩվળͷ࣌ؒΛઃ͚ͨ ● ໰୊͕ଟ͗͢Δ → 1͚ͭͩબͿ ɹɹʲ඼࣭ʳ࣌ؒΛֻ͚ͯ୲อࡁΈʢ୲౰ՕॴͷγεςϜো֐͸2݅ / 120Ҋ݅ʣ ɹɹʲ଎౓ʳ໰୊ - ϦʔυλΠϜΛ્֐͢ΔϜμΛऔΓআ͘ ● εΫϥϜʹ͓͚ΔϨτϩεϖΫςΟϒ IUUQTXXXTDSVNBMMJBODFPSHDPNNVOJUZBSUJDMFTNBZTQSJOUJTNPSFUIBOKVTUBUJNFCPY

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ɹվળΞΫγϣϯʢྫʣ ʲBeforeʳূ੻ॏࢹͷಡΈ߹Θͤ༻จॻ ʲAfterʳ ཁ݅ಛԽͷϖϥ1ϑΥʔϚοτ ɹɹձٞΛ 60min → 5min ʹ୹ॖ ● ଞνʔϜͷσΠϦʔϛʔςΟϯάʹࢀՃ ● νʔϜؒͰޓ͍ͷίϯςΩετΛ೺Ѳ  ɹɹؾܰʹ૬ஊ → ϦʔυλΠϜ୹ॖ IUUQXXXJSBTVUPZBDPNCMPHQPTU@IUNM แׅతͳυΩϡϝϯτΑΓ΋  ಈ͘ιϑτ΢ΣΞΛ ϓϩηε΍πʔϧΑΓ΋  ݸਓͱର࿩Λ

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͜ΕΒͷΞΠςϜ΍Πϕϯτ  ↓ ͋ͬͯ “౰ͨΓલ” ʹࢥ͑Δʁ  ↓ ࠷ॳ͔Β༻ҙ͢Δͷ͕ ”౰વ”ʁ

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ɹʮ౰ͨΓલʯΛ஝ੵͨࣾ͠಺ඪ४ɾςϯϓϨ ● ๲େͳϧʔϧ܈ ʹ ͙͢ʹ࢖͑ͳ͍ ɹɹɹɹɹɹɹɹɹʮ뱌ʯʹֻ͕͔࣌ؒΔ  ● ͦͷ࣌ʑͰඞཁͳ΋ͷ ʹ ϓϧϕʔεͰ੔උ ɹɹɹɹɹɹɹɹɹʢͤ͟ΔΛಘͳ͔ͬͨʣ IUUQTQJYBCBZDPNFOMJCSBSZCPPLTNPOUFTTPSJTIFMG

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ɹϓϧϕʔε ඞཁͳ΋ͷΛɺඞཁͳͱ͖ʹɺඞཁͳ͚ͩ ϘτϧωοΫͷಛఆͱղফΛ܁Γฦ͢ ՝୊ղܾ ՝୊ൃݟ ݁Ռతʹ Pull ݁Ռతʹ Pull

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ɹޒ݄Ӎ΢ΥʔλʔϑΥʔϧ ͱνʔϜͰݺͿ΋ͷʹͳͬͨ ։ൃͷʮྲྀΕʯʹ৐ͤΔ ख໭Γ΍τϥϒϧʹΑΔʮٯྲྀʯʢʹϜμɾϜϥɾϜϦʣΛ๷͙ 1ݸྲྀ͠ʹΑΔϑΥʔΧεɹɹόοναΠζΛখ͘͞෼ׂɹɹ඼࣭Λલ޻ఔͰ୲อɹɹܧଓతͳʮྲྀΕʯͷվળ ޒ݄Ӎͷґཔ ґཔ ґཔ ґཔ ੡଄ ઃܭ ࢼݧ ϦϦʔε ཁ݅ఆٛ IUUQXXXJSBTVUPZBDPNCMPHQPTU@IUNM IUUQXXXJSBTVUPZBDPNCMPHQPTU@IUNM

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ɹ19νʔϜ͔ΒͷґཔʹରԠ͢Δ

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WEBαΠτͷ੒ޭࢪࡦ ϞόΠϧΞϓϦͰ΋΍Ε͹͍͍ͷʹ ىҊ → ࢪࡦͱͯ͠࠾༻ʂ ʲ+αʳྲྀΕ͕ՄࢹԽ → ਫݯʹϑΟʔυόοΫ

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ɹຊ೔࿩͢಺༰ʢ࠶ܝʣ ৽ถΤϯδχΞ  ௿͍εΩϧϨϕϧ 19νʔϜ͔Βಉ࣌ґཔ  ଟ༷ͳεςʔΫϗϧμʔ 10೥෺ɾେن໛  ϨΨγʔγεςϜ 4ϲ݄Ͱ120Ҋ݅Λ͞͹͘ ϢʔβʔΞΫγϣϯ਺2.8ഒ ࢼߦࡨޡ  ϘτϧωοΫΛ1ͭ1۪ͭ௚ʹղফ x ݁ՌతʹΞδϟΠϧϓϥΫςΟε

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੍໿͕ଟ͍ͱ͖ͦ͜ ● ϘτϧωοΫͷಛఆͱղফ ● ෢ثʢΞδϟΠϧϓϥΫςΟεʣ → ୹ظؒͰ੒ՌΛ্͛Δ͜ͱ͕Ͱ͖Δ ɹ఻͍͑ͨ͜ͱʢ࠶ܝʣ

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1. ʲഎܠʳάϩʔεϋοΫͩʂ 2. ʲ՝୊ʳεςʔΫϗϧμʔ͕Ϡό͍ʂ 3. ʲ՝୊ʳ։ൃεΩϧ͕Ϡό͍ʂ 4. ʲ՝୊ʳγεςϜ͕Ϡό͍ʂ 5. ʲ·ͱΊʳΞδϦςΟͩʂ ɹΞδΣϯμ

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ɹ৽ถΤϯδχΞ WebAPIͷϨεϙϯεʹ  ύϥϝʔλΛ1ͭ௥Ճ͢Δ͚ͩͷҊ݅ ࠷ॳ͸1िؒ΋අ΍͍ͯͨ͠

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ɹʮॆ࣮ͨ͠ʯֶशϝχϡʔ͸͋ͬͨ ● 3ϲ݄ͰҰਓલʹͳΔڭࡐ ʹ ͙͢ʹ࢖͑ͳ͍ ɹɹɹɹɹɹɹɹɹʢ3ϲ݄ޙ·Ͱઓྗ֎ʣ  ● ͦͷ࣌ʑͰඞཁͳ஌ࣝ ʹ ϓϧϕʔεͰशಘ ɹɹɹɹɹɹɹɹɹʢͤ͟ΔΛಘͳ͔ͬͨʣ IUUQTQJYBCBZDPNFOMJCSBSZCPPLTNPOUFTTPSJTIFMG

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ɹTDDͷΑ͏ʹֶͿ ΞʔΩςΫτ ٕज़ྗ ϓϩμΫτΦʔφʔ ࢓༷ɾࢪࡦ Ϧʔμʔ νʔϜঢ়گ ͱͯ͠ৼΔ෣͏ - ςετίʔυ࣮ߦ ฉ͍ͨΓௐ΂ͨΓ Pullϕʔε ੺ͬஏΛ͔͘ RED Θ͔ͬͨʂͰ͖ͨʂ GREEN

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ɹTDDͷΑ͏ʹֶͿ ΞʔΩςΫτ ٕज़ྗ ϓϩμΫτΦʔφʔ ࢓༷ɾࢪࡦ Ϧʔμʔ νʔϜঢ়گ ͱͯ͠ৼΔ෣͏ - ςετίʔυ࣮ߦ ฉ͍ͨΓௐ΂ͨΓ Pullϕʔε ੺ͬஏΛ͔͘ RED Θ͔ͬͨʂͰ͖ͨʂ GREEN ΞʔΩςΫτ ٕज़ྗ

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ɹγεςϜઃܭ ΞʔΩςΫτͱͯ͠ࣄલʹઃܭ͕ݟ௨͍ͤͯΔʁ  ˠ Noʂ  ˠ ॲཧػೳهड़΍γʔέϯεਤΛॻ͘ͱ͜Ζ͔Βʂ

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ɹ࢓༷೺Ѳ ΞʔΩςΫτͱͯ͠ઃܭલʹαΠτ࢓༷Λ೺Ѳ͍ͯ͠Δʁ  ˠ Noʂ  ˠ ը໘ભҠਤΛ࡞ͬͯΈΔʂ

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ɹؔ࿈γεςϜ ஌Βͳ͍ٕज़ཁૉ → 30෼ͷษڧձΛ։͍ͯ΋Β͏ ● Solrͱ͸ͳΜͧ΍  ● ϩʔΧϧ؀ڥͰApacheͷઃఆΛ͍͡Ζ͏ ● ࣾ಺ͷϞόΠϧΞϓϦج൫ʹ͍ͭͯ  ● γεςϜશମͷσʔλϑϩʔʢӦۀͷݪߘೖྗ͔Βʣ

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ɹͱʹ͔͘ฉ͘ ● ϗϫΠτϘʔυΛ1ͭ઎ڌ  ● ʢຊ෺ͷʣΞʔΩςΫτʹֆͰͷղઆΛґཔ IUUQXXXJSBTVUPZBDPNCMPHQPTU@IUNM

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ɹલఏ஌ࣝͷඞཁੑΛ࣮ײ ● ʮҰྲྀͷΞʔΩςΫτͳΒશ໰ਖ਼ղͰ͖Δ͸ͣʯͰৼΔ෣͏  ● ςετۦಈֶशɿ໰୊Λղ͘ˠϛεˠ౴͑ΛݟΔˠͳΔ΄Ͳ

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ɹͲΜͲΜಡΉ - ؾ෇͘……οʂ͜Ε͸༗ӹ……οʂ ● ҰྲྀͷΞʔΩςΫτ͸͖ͪΜͱຊΛಡΉʢଟ෼ʣ  ● ඞཁʹۦΒΕͯಡΉ → ͍΍Ͱ΋ཧղ͢Δ ࠨͭ͸ҰྲྀͷΞʔΩςΫτ͕ಡΉຊͬͯײ͡͠ͳ͍͚Ͳ IUUQCPPLJNQSFTTDPKQCPPLTɹɹIUUQCPPLJNQSFTTDPKQCPPLTɹɹIUUQTXXXPSFJMMZDPKQCPPLT

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ɹTDDͷΑ͏ʹֶͿ ΞʔΩςΫτ ٕज़ྗ ϓϩμΫτΦʔφʔ ࢓༷ɾࢪࡦ Ϧʔμʔ νʔϜঢ়گ ͱͯ͠ৼΔ෣͏ - ςετίʔυ࣮ߦ ฉ͍ͨΓௐ΂ͨΓ Pullϕʔε ੺ͬஏΛ͔͘ RED Θ͔ͬͨʂͰ͖ͨʂ GREEN ϓϩμΫτΦʔφʔ ࢓༷ɾࢪࡦ

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ɹࣄۀߏ଄ ϓϩμΫτΦʔφʔͱͯ͠Ϗδωεߏ଄Λ೺ѲࡁΈʁ → Noʂ → ϐΫτਤΛॻ͘ʂ

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ɹ਺ࣈɾن໛ײ ϓϩμΫτΦʔφʔͱͯ͠਺ࣈΛ೺ѲࡁΈʁ → Noʂ → ΞΫηεղੳπʔϧΛ࢖ͬͯΈΔʂ

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ɹࣄۀߏ଄ ϓϩμΫτΦʔφʔͱͯ͠ӦۀͷചΓํΛ஌͍ͬͯΔʁ → Noʂ → Ӧۀࣾһͷ঎඼ݚमʹࠞͥͯ΋Β͏ʂ

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ɹϓϥΠϕʔτ·Ͱ৵৯…… ϓϩμΫτΦʔφʔͱͯ͠ϓϩμΫτΛ͍࣋ͬͯΔʁ → Noʂ → ݸਓαʔϏεΛ࡞Δʂ

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ɹશ෦1ਓͰ΍Δ → શମ૾͕ݟ͑Δ ● ϓϩηεɿاը͔Βอकӡ༻·Ͱ ● ٕज़ཁૉɿϑϩϯτ͔ΒΠϯϑϥ·Ͱ

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ɹશ෦1ਓͰ΍Δ → ࡉ෦͕ݟ͑Δ   ● αʔόઃఆ͸σϑΥϧτ஋Ͱ͍͍ͷ͔  ● ձࣾͩͱར༻ن໿͸Ͳ͏ͳ͍ͬͯΔͷ͔ IUUQHJIZPKQCPPL

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ɹϢʔβʔͷ੠ → ඇػೳཁ͕݅ؾʹͳΓͩ͢ ʲύϑΥʔϚϯεʳ  ● ઌഐʹฉ͖ͳ͕ΒJMeterΛࢼͯ͠ΈΔʂ  ● ͜ͷΞΫηεྔͰ͜ͷॲཧ଎౓ͳͷ͔ʂ ʲηΩϡϦςΟʳ  ● HTTPϔομʔͷઃఆɺେৎ෉͚ͩͬʂ  ● େৎ෉ͩͬͨʂ͜͜Ͱઃఆ͍ͯ͠Δͷ͔ʂ

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ɹTDDͷΑ͏ʹֶͿ ΞʔΩςΫτ ٕज़ྗ ϓϩμΫτΦʔφʔ ࢓༷ɾࢪࡦ Ϧʔμʔ νʔϜঢ়گ ͱͯ͠ৼΔ෣͏ - ςετίʔυ࣮ߦ ฉ͍ͨΓௐ΂ͨΓ Pullϕʔε ੺ͬஏΛ͔͘ RED Θ͔ͬͨʂͰ͖ͨʂ GREEN Ϧʔμʔ νʔϜঢ়گ

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ɹܗ͔ΒೖΔ ● ʮ͑ʁݺ͹Ε·͚ͨ͠ͲʁʯΈ͍ͨͳإͰձٞʹࢀՃ ● νʔϜϦʔμʔͷ୅ΘΓʹνʔϜͷใࠂΛ͢Δ IUUQXXXJSBTVUPZBDPNCMPHQPTU@IUNM

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ɹѹ౗తϑΟʔυόοΫྔ ● ࿅शɿϦʔμʔʹ͓ࢼ͠ใࠂ → ؒҧ͍Λࢦఠͯ͠΋Β͏ ● ࣮ફɿଞνʔϜͷϦʔμʔʹ΅͜΅͜ʹ͞ΕΔ IUUQXXXJSBTVUPZBDPNCMPHQPTU@IUNM

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ɹϝϯλʔͱͷ1on1 ● ҰྲྀͷϦʔμʔʹ͸ϝϯλʔ͕͍Δ΋ͷΒ͍͠ʢଟ෼ʣ ● ผ෦ॺͷઌഐʹ͓ئ͍ͯ͠ɺຖ೔30෼ͷ1on1Λߦ͏ IUUQXXXJSBTVUPZBDPNCMPHQPTU@IUNM

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Ϧʔμʔʢࣗশʣͱͯ͠νʔϜͷݱঢ়Λઆ໌͢Δ → Θ͔Βͳ͚Ε͹ௐ΂Δɾฉ͘ ɹQ1. νʔϜ͸͍·ͲΜͳঢ়گ͔ʁ by ϝϯλʔ

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ɹQ2. ࠷΋େ͖ͳ໰୊͸Կ͔ʁ by ϝϯλʔ Ϧʔμʔʢࣗশʣͱͯ͠νʔϜ๊͕͑Δ໰୊Λઆ໌͢Δ → ຊ౰ʹͦΕ͕1൪ͷ໰୊ʁ by ϝϯλʔ → σΟεΧογϣϯͰ੔ཧ ໰୊ ໰୊ ໰୊ ໰୊ ໰୊

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ɹQ3. ໰୊ʹରͯ͠Ͳ͏ͨ͠Β͍͍͔ʁ by ϝϯλʔ Ϧʔμʔʢࣗশʣͱͯ͠ղܾΞϓϩʔνΛఏҊ͢Δ  → ຊ౰ʹͦΕ͕ϕετͷํ๏ʁ by ϝϯλʔ → աڈͷࢀߟࣄྫΛฉ͘ˍࠓճͷέʔε͸Ͳ͏͢΂͖͔ٞ࿦ ໰୊

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ɹʮॆ࣮ͨ͠ʯֶशܭը͚͕ͩਖ਼ղͰ͸ͳ͍ ● 3ϲ݄ͰҰਓલʹͳΔڭࡐ ʹ ͙͢ʹ࢖͑ͳ͍ ɹɹɹɹɹɹɹɹɹʢ3ϲ݄ޙ·Ͱઓྗ֎ʣ  ● ͦͷ࣌ʑͰඞཁͳ஌ࣝ ʹ ϓϧϕʔεͰशಘ ɹɹɹɹɹɹɹɹɹʢͤ͟ΔΛಘͳ͔ͬͨʣ IUUQTQJYBCBZDPNFOMJCSBSZCPPLTNPOUFTTPSJTIFMG

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ɹʮ࠷ڧͷҭ੒ϝχϡʔʯ͸ଘࡏ͠ͳ͍ʁ   ৽ถΤϯδχΞ͕뱌͖͠Εͳ͍஌ࣝ ʹ ·ͩඞཁͳ͍ػೳΛ࡞Δͷͱಉ͔͡΋ IUUQXXXQSPKFDUDBSUPPODPN

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ɹ“࣮ફ” Λ௨ͯ͠ “ࣗ૸” ͢Δ Ұྲྀͱͯ͠ৼΔ෣͏ ↓ ౰વ͏·͍͔͘ͳ͍ ↓ ࠩ෼͕ݟ͑Δ ↓ Ұྲྀͷ໨ઢʹۙ෇͘ IUUQTXXXQFYFMTDPNQIPUPDBSFGSFFDIJMEDIJMEIPPEDPVOUSZTJEF

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ɹΠϯΫϦϝϯλϧͳֶश ʮ෼͔Δ͜ͱʯ͕૿͑Δ౓ʹ ʮ෼͔Βͳ͍͜ͱʯ͕޿͕͍ͬͯ͘ ͦΕΒΛશ෦ɺௐ΂Δʂࢼ͢ʂฉ͘ʂֶͿʂ IUUQTXXXQFYFMTDPNQIPUPCBMMTIBQFECMVSDMPTFVQGPDVT

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੍໿͕ଟ͍ͱ͖ͦ͜ ● ϘτϧωοΫͷಛఆͱղফ ● ෢ثʢΞδϟΠϧϓϥΫςΟεʣ → ୹ظؒͰ੒ՌΛ্͛Δ͜ͱ͕Ͱ͖Δ ɹ఻͍͑ͨ͜ͱʢ࠶ܝʣ

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1. ʲഎܠʳάϩʔεϋοΫͩʂ 2. ʲ՝୊ʳεςʔΫϗϧμʔ͕Ϡό͍ʂ 3. ʲ՝୊ʳ։ൃεΩϧ͕Ϡό͍ʂ 4. ʲ՝୊ʳγεςϜ͕Ϡό͍ʂ 5. ʲ·ͱΊʳΞδϦςΟͩʂ ɹΞδΣϯμ

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ɹϨΨγʔγεςϜͱ͍͔ʹ޲͖߹͏͔ 50+ ͷαϒγε 3500+ tables  100,000+ columns ߴ଎։ൃʹ଱͑ΒΕΔ಺෦඼࣭Ͱ͸ͳ͍

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“ΠςϨʔγϣϯ” ͱ “ਖ਼͍͠ϑΥʔΧε” ɹϨΨγʔγεςϜ΋ಉ͡ దԠ ݕࠪ

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σϑΝΫτελϯμʔυͷ։ൃελΠϧʹ͚ۙͮΔ ɹΠςϨʔγϣϯ - ܧଓతσϦόϦʔΛࢧ͑Δٕज़ Git / Gitlabಋೖ  ϚʔδϦΫΤετத৺ͷ։ൃ  ϨϏϡʔ΍มԽΛ௥͍΍͘͢ SonarQubeಋೖ  Ξϯνύλʔϯͳॻ͖ํΛࢲత  ιʔείʔυͷෳࡶ౓Λ਺஋Խ

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ɹɹɹɹɹɹ υΩϡϝϯτʁ ɹɹɹɹɹɹ ػೳཁ݅ʁ ɹɹɹɹɹɹ ྑ͍ઃܭʁ ɹਖ਼͍͠ϑΥʔΧε

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ɹ APIར༻ऀ޲͚ͷΤϥʔυΩϡϝϯτ ● ίʔυΛࣗવݴޠʹ͚ͨͩ͠  ● ࡞Δͷʹ͕͔͔࣌ؒΔ ● ୭΋ಡΜͰ͍ͳ͔ͬͨ ● JSONΩϟϓνϟʢSwaggerతൃ૝ʣ  ● ϦʔυλΠϜͷେ෯࡟ݮ  ● ར༻ݩʮಡΊΔΑ͏ʹͳͬͨʯ

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ɹ ಺෦ઃܭυΩϡϝϯτ ● Excelͷϑϩʔνϟʔτʹ߹Θͤͯ ɹifจͩΒ͚ͷਂ͍ωετʴreturnࢄࡏ ● ͦͷׂʹ͸ίʔυͱExcelʹࠩ෼ ● ֓؍ʢϩθολετʔϯʣҎ֎͸ഇࢭ ● όϦσʔγϣϯϒϩοΫΛ੾Γग़ͯ͠ ʮιϑτ΢ΣΞͷอकੑʯΛॏࢹ ɹif … ɹɹif … ɹɹɹif … ɹɹɹɹreturn; ɹɹelse if … ɹɹɹif … ɹɹɹɹreturn; ɹ# validation ɹif … ɹɹreturn; ɹ ɹ# main logic ɹ…… ɹ…… No Docs

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ɹ υΩϡϝϯτ͸͋͘·Ͱิॿʂ ϑΥʔΧε͢΂͖͸ ʮ࣮ࡍʹಈ͘ιϑτ΢ΣΞʯ

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ɹɹɹɹɹɹ υΩϡϝϯτʁ ɹɹɹɹɹɹ ػೳཁ݅ʁ ɹɹɹɹɹɹ ྑ͍ઃܭʁ ɹਖ਼͍͠ϑΥʔΧε

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ɹ ػೳཁ݅͸ຬͨͤΔ͚Ͳ ࣅͨΑ͏ͳػೳ → ಉ͡APIʹڞ௨Խ͢Ε͹OKʁ WEBαΠτձһ޲͚ͷ৽ணϝʔϧ εϚϗΞϓϦͷ৽ணϓογϡ௨஌

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ɹ NGʂҙຯ߹͍͕ҧͬͨʂ   ΞϓϦͱWEBαΠτͰϢʔβʔ૚͕ҧ͏ ↓   ৽ண഑৴ͱͯ͠ར༻͢ΔϩδοΫ΋ҧͬͨ IUUQXXXJSBTVUPZBDPNCMPHQPTU@IUNM

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ɹ ΦʔέετϨʔγϣϯ૚·͕͍ͷ΋ͷ Λઃ͚ͨ ɹɹɹ● ݺͼग़͠ݩʹΑΔίϯςΩετͷ੾Γ෼͚  ɹɹɹ● ࠜͬ͜ʹ͋Δͷ͸ϚΠΫϩαʔϏεతͳൃ૝ View View View Controller Controller Controller Model

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ɹ Ծઆݕূͱͯ͠ͷػೳ௥Ճ ʮޙ͔Βফ͠΍͍͢ʯ؍఺ͰίʔυΛ੾Γग़͢ ֘౰ϒϩοΫ͚ͩফͤ͹ऴΘΓ ABςετ༻ϝιου ݺͼग़͠ॲཧ private xxx testAB(Hoge hoge) { ɹɹ…… } public String mainController() { ɹɹ…… ɹɹtestAB(hoge); ɹɹ…… }

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ɹ ໨ઌͷػೳཁ͚݅ͩͰ͸ͳ͍ʂ ϑΥʔΧε͢΂͖͸ ʮϓϩμΫτʹ͓͚Δҙຯʯ  ʢυϝΠϯ஌ࣝʹґଘ͢Δ͜ͱ΋͋Δʣ

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ɹɹɹɹɹɹ υΩϡϝϯτʁ ɹɹɹɹɹɹ ػೳཁ݅ʁ ɹɹɹɹɹɹ ྑ͍ઃܭʁ ɹਖ਼͍͠ϑΥʔΧε

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ɹ “ྑ͍” ͷڞ௨ೝࣝ ݩͷιʔείʔυ͕Ԛ͍ ↓ ʮԿ͕ Better ͳͷ͔ʯҙݟ͕όϥόϥ ↓ ϓϧϦΫͷϨϏϡʔͰᎍΊΔ

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ɹ ੈؒͰ “ྑ͍” ͱݴΘΕ͍ͯΔ΋ͷ ಡΉ → νʔϜ಺Ͱ࿩͠߹͏ → શવΘ͔ΒΜʂ → ಄ͷย۱ʹ࢒Δ IUUQTXXXPSFJMMZDPKQCPPLTɹɹIUUQXXXTIPFJTIBDPKQCPPLEFUBJMɹɹIUUQXXXTCDSKQQSPEVDUTIUNM  IUUQXXXTIPFJTIBDPKQCPPLEFUBJMɹɹIUUQTUIMJHIUDPNCMPHVODMFCPCUIFDMFBOBSDIJUFDUVSFIUNMɹɹIUUQTNBSUJOGPXMFSDPNBSUJDMFTNJDSPTFSWJDFTIUNM

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ɹ গͣͭ͠ݟ͑ͯ͘Δ ໰୊ʹͿ͔ͭΔ  → ରԠ͢Δ  → ޙ෇͚Ͱʮ͜Ε͕XXύλʔϯͩͬͨͷͰ͸ʁʯ  → ঃʑʹʢࣗ෼ͨͪͳΓͷʣೝࣝΛἧ͍͑ͯͬͨ IUUQTXXXQFYFMTDPNQIPUPCMBDLCPBSECVTJOFTTDIBMLCPBSEDPODFQU

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ɹ ՄೳͳൣғͰগͣͭ͠௚͢ ྫʣશͯΛ୲͏CommonClass → ໾ׂͰ੾Γग़͢ ϘʔΠεΧ΢τݪଇ  ৮Δ͍ͭͰʹෳࡶ౓ΛԼ͛Δ IUUQTXXXQFYFMTDPNQIPUPBEVMUBEWFOUVSFCBDLQBDLEBZMJHIU

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“ΠςϨʔγϣϯ” ͱ “ਖ਼͍͠ϑΥʔΧε” ɹϨΨγʔγεςϜ΋ಉ͡ దԠ ݕࠪ

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ɹ“ιϑτ΢ΣΞ” ʹ஫໨ͯ͠ؾ෇͘ υΩϡϝϯτະ൓өͷ࢓༷ʢʹ޿ࠂͷදࣔॱϩδοΫʣ Λࣗओௐࠪ   → վળࢪࡦΛఏҊ   ఏҊ಺༰ͦͷ··Ͱ͸ͳ͔͕ͬͨ ࢪࡦʹͭͳ͕ͬͨ IUUQXXXJSBTVUPZBDPNCMPHQPTU@IUNM

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੍໿͕ଟ͍ͱ͖ͦ͜ ● ϘτϧωοΫͷಛఆͱղফ ● ෢ثʢΞδϟΠϧϓϥΫςΟεʣ → ୹ظؒͰ੒ՌΛ্͛Δ͜ͱ͕Ͱ͖Δ ɹ఻͍͑ͨ͜ͱʢ࠶ܝʣ

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1. ʲഎܠʳάϩʔεϋοΫͩʂ 2. ʲ՝୊ʳεςʔΫϗϧμʔ͕Ϡό͍ʂ 3. ʲ՝୊ʳ։ൃεΩϧ͕Ϡό͍ʂ 4. ʲ՝୊ʳγεςϜ͕Ϡό͍ʂ 5. ʲ·ͱΊʳΞδϦςΟͩʂ ɹΞδΣϯμ

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ɹॳ݄࣮੷ 6ରԠ / 27ґཔ

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ɹͲͷνʔϜ΋ࢪࡦ͕ଧͯͳ͍ ࢪࡦ ࢪࡦ ࢪࡦ Blocker ❌

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ɹ࠷ऴ݄࣮੷ 43ରԠ / 43ґཔ

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ɹࢪࡦ͕ಈ͖࢝ΊΔ ࢪࡦ ࢪࡦ ࢪࡦ

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ɹΞδϦςΟͷ޲্ ɹɹɹɹɹx 7.16 6 43

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ɹ19νʔϜ͔Βͷ120ґཔ / 4ϲ݄ ґཔݩ Ҋ݅਺ શମࢪࡦ ϞχλϦϯά 8&#ू٬ ηΩϡϦςΟ αΠτ#J[ αΠτ%FW αΠτ0QT ΞϓϦ#J[ ΞϓϦ%FT ΞϓϦ%FW ґཔݩ Ҋ݅਺ όον#J[ όον%FW σʔλαΠΤϯε Πϯϑϥ ج൫վળ αϒαΠτ"%FW αϒαΠτ##J[ αϒαΠτ#%FW αϒαΠτ$%FW ߹ܭ

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ɹΞΫγϣϯ਺ 2.8ഒ

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ɹϘτϧωοΫʹϑΥʔΧε͢Δ 1/ 2 ɹɹɹɹɹɹɹ1. ૊৫ɾϓϩηε  ɹɹɹɹɹɹɹ2. ݸਓεΩϧ  ɹɹɹɹɹɹɹ3. γεςϜɾٕज़ ɹɹɹɹɹɹ1ͭ1ͭղফ͍ͯͬͨ͠

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ɹϘτϧωοΫʹϑΥʔΧε͢Δ 2 / 2 ࠷΋େ͖ͳ໰୊ͷಛఆ සൟʹΠςϨʔγϣϯΛճ͢   ↓  ޮՌతͳղফࡦ ݁ՌతʹΞδϟΠϧϓϥΫςΟεʹͳΓ͏Δ

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੍໿͕ଟ͍ͱ͖ͦ͜ ● ϘτϧωοΫͷಛఆͱղফ ● ෢ثʢΞδϟΠϧϓϥΫςΟεʣ → ୹ظؒͰ੒ՌΛ্͛ΒΕΔ ɹ఻͍͑ͨ͜ͱ

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͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ presented by @yuzutas0