クックパッドにおけるAndroidエンジニアの役割とその変遷

by yagi

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ΫοΫύουʹ͓͚Δ "OESPJEΤϯδχΞͷ໾ׂͱ ͦͷมભ %SPJE,BJHJ 300." ϋογϡλάɿ%SPJELBJHJ"

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ର৅ऀ wϞόΠϧ։ൃνʔϜΛ཰͍͍ͯΔਓ wࢀՃ͍ͯ͠Δਓ w͜Ε͔Β࡞͍ͬͯ͜͏ͱࢥ͍ͬͯΔਓ

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࿩͢͜ͱ wগਓ਺νʔϜମ੍࣌୅͔Βଟࣄۀ෦ଟਓ਺ ମ੍࣌୅·Ͱ"OESPJEΤϯδχΞͷ໾ׂ͕ มભ͍ͯ͘͠ͳ͔ͰνʔϜ͕௚໘ͨ͠՝୊ͱ ͦΕΛղܾ͢Δҝʹߏங͖ͯͨ͠։ൃϓϩη ε΍श׳ɺ࢓૊Έ w͙͢ʹಋೖͰ͖ͦ͏ͳ΋ͷΛத৺ʹ঺հ w˞ίʔυ͸ग़͖ͯ·ͤΜɻ

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ΫοΫύουʹ͓͚Δ "OESPJEΤϯδχΞͷ໾ׂͱ ͦͷมભ %SPJE,BJHJ 300." ϋογϡλάɿESPJELBJHJ" Λࢧ͑ͨ։ൃϓϩηε

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ࣗݾ঺հ wീ໦ढ़޿ !TZTZBHJ ‣ "OESPJE&OHJOFFS ‣ ΫοΫύουגࣜձࣾങ෺৘ใࣄۀ෦ॴଐ ‣ ೥ೖࣾ w࠷ۙͷझຯ(JUIVCʹ૲Λੜ΍͠ଓ͚Δ

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ΫοΫύου"OESPJE NPCJMFBQQશମͷ ݄ؒར༻ऀ਺ ."6 ສ ˞೥݄࣌఺

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ΫοΫύου"OESPJE NPCJMFBQQશମͷ ݄ؒར༻ऀ਺ ."6 ສ ͷ͘Β͍͕"OESPJE ˞೥݄࣌఺

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w೥݄d wϋΠϒϦουΞϓϦOBUJWFΞϓϦԽ wϑϧεΫϥον w"OESPJEΤϯδχΞਓ গਓ਺ମ੍࣌୅

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DPPLQBEBQQ NPCJMFHSPVQ EFW গਓ਺ମ੍࣌୅

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w 8FCͰఏڙ͍ͯ͠ΔػೳΛOBUJWFʹҠ২͢Δ w ඞཁͳ"1*ͷચ͍ग़͠ɺ࢓༷࡞੒ɺௐ੔ w "OESPJEಛ༗ͷσβΠϯͱମݧΛ࡞Δ w େྔͷJTTVFΛͻͨ͢ΒফԽ ΍͍ͬͯͨ͜ͱ

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w(JUIVC&OUFSQSJTFͰJTTVF؅ཧ w1VMM3FRVFTU3FWJFX w$* +FOLJOT ͰͷNBTUFSCSBODIϏϧυ w%FQMPZHBUF΁EFCVH൛Λ഑৴ ਓͷ։ൃελΠϧ

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w"OESPJEBQQͷ։ൃྗΛൃش͢Δ "OESPJEΤϯδχΞͱͯ͠ͷ໾ׂ

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wແࣄϦϦʔε wେ͖ͳ໰୊͸ͳ͠ w଺ࡏ࣌ؒVQ ೥݄ϦϦʔε

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೥݄ϞόΠϧϑΝʔετࣨઃཱ

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DPPLQBEBQQ NPCJMFpSTUUFBN EJWJTJPO SFRVFTU EFW LOPXMBHF ରଟ෦ॺମ੍࣌୅

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౰࣌ͷࢲͷߟ͑ํ ͨͿΜಈ͘ͱࢥ͏͔Β ϦϦʔε͠Α͏ͥ

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ͨͿΜಈ͘ͱࢥ͏͔Β ϦϦʔε͠Α͏ͥ wͲΜͲΜػೳΛ։ൃ͠ wCVH͕ݟ͔ͭͬͨΒΨϯΨϯ௚͠ wεϐʔσΟʹϦϦʔε͢Δ wͦΕ͕Ձ஋Λఏڙ͢Δࣄʹܨ͕Δ

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͔͠͠਺ճΞοϓσʔτ͢Δͱʜ $SBTIMZUJDT

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͔͠͠਺ճΞοϓσʔτ͢Δͱʜ DSBTIEBZ 66ʹӨڹ ܰඍͳCVHͰ΋໋औΓʜ

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ԿΛ͍ͭมߋ͚ͨͬ͠ʁ

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͍ͭͰ͖Δʁ ̋̋ػೳΛೖΕ͍ͨͷͰ༧ఆΛཱ͍ͯͨ ͚Ͳ࣍ͷόʔδϣϯ͸͍ͭͰ·͔͢ʁ Θ͔Γ·ͤΜʜ

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՝୊ w Ξοϓσʔτ͢Δͱ͙͢ʹ਺ेສਓ͕ར༻͠͸͡ΊΔɺܰඍͳCVH ͕େ͖ͳӨڹΛ༩͑ͯ͠·͏ w NPCJMFBQQ͸8FCαʔϏεͱ͸ҟͳΓɺҰճϦϦʔε͢Δͱ औΓফͤͳ͍ɻ඼࣭ʹΑΓγϏΞʹͳΒͳ͚Ε͹ͳΒͳ͍ɻ w ඼࣭VQͷͨΊʹ࡞ۀʹ຅಄͕ͪ͠Ͱόʔδϣϯؒͷࠩ෼ʹ͍ͭͯ ҙ͕ࣝճΒͳ͍ɺࠂ஌΍υΩϡϝϯτ౳ͷίϛϡχέʔγϣϯΛ ͢ΔՋ͕ͳ͍ w ϦϦʔεαΠΫϧ͕໌֬Ͱ͸ͳ͍ͷͰ֤෦ॺͰ༧ఆ͕ͨͨͳ͍ w ͋;ΕΔJTTVF

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ͨͿΜಈ͘ͱࢥ͏͔Β ϦϦʔε͠Α͏ͥ

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w҆ఆతͳϦϦʔεΛߦ͏ΞϓϦέʔγϣ ϯ։ൃϓϩηεΛߏங͠ɺଟਓ਺Ͱͷ։ ൃΛࢧ͑Δ w඼࣭޲্ͷ࢓૊Έ࡞ΓɺφϨοδͷ஝ੵ Λ͢Δ wͰ΋εϐʔυ͸Լ͛ͳ͍ "OESPJEΤϯδχΞͱͯ͠ͷ໾ׂ

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)PX

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ϦϦʔεຖʹ,15ʹΑΔ ৼΓฦΓΛ։࢝ http://techlife.cookpad.com/entry/2014/10/31/093305

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ϦϦʔεຖʹ,15ʹΑΔ ৼΓฦΓΛ։࢝ w ,FFQ w ؆୯ͳࣄͰ΋ग़དྷͨ͜ͱΛ ͲΜͲΜग़͢ w 1SPCMFN w ղܾ͢΂͖՝୊Λચ͍ग़͢ w 5SZ w 1SPCMFNΛղܾ͢Δ۩ମ తͳߦಈΛఆٛ͢Δ ܧଓతͳ վળ

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ແ๏஍ଳͩͬͨ։ൃϓϩηεΛίϯ τϩʔϧͰ͖ΔϧʔϧΛ࡞Δ

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໨ࢦ͢ํ޲ੑ wΘ͔Γ΍͍͢ w୯७Ͱ͋Δ wޮՌతͰ͋Δ

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ϦϦʔεεέδϡʔϧͷఆٛ w ։ൃظؒӦۀ೔ w ςετӦۀ೔ w ϦϦʔεӦۀ೔ w ϦϦʔεӦۀ೔ w ϦϦʔεӦۀ೔ w ϦϦʔεӦۀ೔

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ϦϦʔεεέδϡʔϧͷఆٛ wϦϦʔεӦۀ೔ wϦϦʔε͔Β࣍ͷ։ൃظ͕ؒ࢝·Δɻ ϦϦʔεͱϦϦʔεͷؒ͸िؒ wස౓͕ଟ͗ͣ͢গͳ͗͢ͳ͍όϥϯε wεέδϡʔϧʹԊͬͯมߋΛߟ͑Δ

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։ൃऴྃ೔໰୊ ։ൃ։࢝ $' ։ൃظؒӦۀ೔

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։ൃऴྃ೔໰୊ ։ൃ։࢝ $' ։ൃظؒӦۀ೔ 1VMM3FRVFTU ?R?

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։ൃ։࢝ $' ։ൃظؒӦۀ೔ 1VMM3FRVFTU ?R? ίʔυϑϦʔζͱ͸ ։ൃऴྃ೔໰୊

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w ϨϏϡʔ࣌ؒɺमਖ਼Λߟྀͯ͠13కΊ੾Γ೔ Λ։ൃऴྃӦۀ೔લʹஔ͍ͨ ։ൃ։࢝ 13࠷ऴ೔ $' ։ൃظؒӦۀ೔ 13కΊ੾Γͷಋೖ

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ϦϦʔεΧϨϯμʔͷ࡞੒ͱڞ༗

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HJUͷϒϥϯνϯάͷํ਑Λఆٛ ։ൃ։࢝ 13࠷ऴ೔ $' 3$CSBODI NBTUFS 2"

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HJUͷϒϥϯνϯάͷํ਑Λఆٛ ։ൃ։࢝ 13࠷ऴ೔ $' 3$CSBODI NBTUFS 2" ࠩ෼͕͋Ε͹౎౓NFSHF

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HJUͷϒϥϯνϯάͷํ਑Λఆٛ ։ൃ։࢝ 13࠷ऴ೔ $' 3$CSBODI NBTUFS 2" ࠩ෼͕͋Ε͹౎౓NFSHF جຊతʹৗʹNBTUFSΛ޲͍ͯ։ൃ͢Ε͹ྑ͍

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มߋͷશͯΛJTTVFʹ͢Δ w HJUIVCʹόʔδϣϯຖͷϚΠϧετʔϯΛ࡞Δ w ෦ॺϥϕϧΛ࡞੒ w ֤όʔδϣϯʹೖΕ͍ͨมߋΛશͯJTTVFԽ͢Δ w 13కΊ੾ΓલͳͲʹਐḿΛ֬ೝ w ϚΠϧετʔϯʹೖ͍ͬͯΔJTTVFʹؔ͢Δมߋ Λશͯςετ

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ίϯτϩʔϥϒϧͳϦϦʔε w෦ॺؒͰͷεέδϡʔϧௐ੔͕جຊతʹෆ ཁʹͳΔ w௚લͷۦ͚ࠐΈ13౳ͷ๷ࢭɺ࣏҆ҡ࣋ wมߋࠩ෼͕ϚΠϧετʔϯΛݟΕ͹Θ͔Δ w҆ఆͨ͠։ൃ͕Մೳʹͳͬͨ

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඼࣭Λ্͛Δ ӡ༻ίετΛԼ͛Δ

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ϦϦʔεલ ϦϦʔεޙ w ϦϦʔεεέδϡʔϧʹ ΑΔࠩ෼ͷೖΔλΠϛϯ άͷ౷੍ w ϨϏϡʔʹΑΔݕग़ w ϚΠϧετʔϯʹΑΔશ ࠩ෼ͷՄࢹԽ w ϚΠϧετʔϯࠩ෼Λத ৺ʹ໢ཏతͳςετ ʁ

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ϦϦʔεޙͰ͖Δ͚ͩૣ͘ݟ͚͍ͭͨࣄ w ಛఆέʔεͰ͚ͩ࠶ݱ͢ΔΫϥογϡ w "1*ͷ༧ظͤ͵Τϥʔ ‣ σʔλग़޲Λϛεͬͯ ‣ มͳτʔΫϯͰϦΫΤετͯ͠ ϩάΞ΢τ wϦϦʔεͨ͠ػೳ΍ͳͨ͘͠ػೳʹର͢Δ੠

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ϦϦʔεޙ؂ࢹͱͯ͠·ͱΊͯ΍Δ ϦϦʔεͨ࣌ؒ͠ޙɺேɺ༦ํΛ೔ؒɺ ֤छνΣοΫ݁ՌΛه࿥͢Δ

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༧ظͤ͵ΫϥογϡΛૉૣ͘ݕग़ (PPHMF"OBMZUJDTͷϦΞϧλΠϜαϚϦͱ$SBTIMZUJDTͷঢ়گΛݟΔɻ

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༧ظͤ͵ΫϥογϡΛૉૣ͘ݕग़ ৽όʔδϣϯͷൺ཰ʹରͯ͠Ϋϥογϡ਺͕ଟ͘ͳ͍͔ʁ (PPHMF"OBMZUJDTͷϦΞϧλΠϜαϚϦͱ$SBTIMZUJDTͷঢ়گΛݟΔɻ

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༧ظͤ͵ΤϥʔΛૉૣ͘ݕग़ "1*ͷΤϥʔϩάΛ,JCBOBʹྲྀ͠άϥϑԽɻલόʔ δϣϯͱ͘Β΂ͯΤϥʔ͕௓Ͷ͍ͯͳ͍͔Λ؂ࢹ͢Δ https://www.elastic.co/downloads/kibana

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Ϣʔβͷ੠Λฉ͘ ͝ҙݟϑΥʔϜʹૹΒΕͨಛఆόʔδϣϯͷ੠ΛνΣοΫ

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ϦϦʔεલ ϦϦʔεޙ w ϦϦʔεεέδϡʔϧʹ ΑΔࠩ෼ͷೖΔλΠϛϯ άͷ౷੍ w ϨϏϡʔʹΑΔݕग़ w ϚΠϧετʔϯʹΑΔશ ࠩ෼ͷՄࢹԽ w ϚΠϧετʔϯࠩ෼Λத ৺ʹ໢ཏతͳςετ w $SBTIMZUJDTͷνΣοΫ w ,JCBOBͰͷ"1*Τ ϥʔνΣοΫ w ͝ҙݟͷνΣοΫ

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ϦϦʔεલޙͰ΍Δࣄͷ୔ࢁ͋ΔΑͶ໰୊ w ϚΠϧετʔϯʹೖΕΔ JTTVFͷ४උ w όʔδϣϯίʔυͷߋ৽ w JTTVFͷਐḿ֬ೝ w ίʔυϑϦʔζͱ3$ CSBODI࡞੒ w ࠩ෼ͷϦετΞοϓͱς ετ w ϥΠηϯεͷνΣοΫ w ߋ৽จݴ w ϦϦʔεޙ؂ࢹ w ,15ͷεέδϡʔϧ֬อ w FUDʜ

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ϦϦʔεલޙͰ΍ΔࣄͷνΣοΫϦετ ΛJTTVFԽ͢Δ

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ϦϦʔεલޙͰ΍Δࣄ͍ͭͩΕ͕΍Δͷ໰୊ ͋ɺ୭͔΍ͬͯΔͱࢥͬͯͨ ͋ʜ

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ϦϦʔεϚωʔδϟ ඞཁͳ߲໨Λ νΣοΫϦετԽ͠ɺ ϦϦʔεͷ͍͋ͩʹ ͦΕΛશͯ୲౰͢Δ ໾ׂΛ࡞Γɺ࣋ͪ·ΘΔ http://techlife.cookpad.com/entry/2015/02/25/093000

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඼࣭Λ্͛Δ࢓૊Έ ӡ༻ίετΛԼ͛Δ࢓૊Έ wϦϦʔεલޙͰΤϥʔݕग़Λૉૣ͘ߦ͑ΔΑ ͏ʹͳͬͨ wϦϦʔεલޙʹ΍Δ΂͖ࣄΛνΣοΫϦετ Խ͢ΔࣄͰ࿙Ε͵͚͕ແ͘ͳͬͨ wͦΕΒΛϦϦʔεϚωʔδϟ͕ड͚࣋ͭࣄͰ ։ൃऀ͸։ൃʹूதͰ͖ΔΑ͏ʹͳͬͨ

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೥຤ wϦϦʔεαΠΫϧͷ҆ఆ ճϦϦʔε wDSBTIEBZ ݮ

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೥݄ϞόΠϧϑΝʔετࣨղࢄ ϞόΠϧج൫νʔϜઃཱ ج൫ ج൫ 6' 6' ւ֎ ւ֎ ւ֎ ձһ ങ෺ ങ෺

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wࣄۀ෦಺ͰαʔϏεͷ੒௕ʹ੹೚Λ ࣋ͭ ओʹ"OESPJE෦෼ wࣄۀΛՃ଎ͤ͞Δ։ൃج൫ΛڧԽ͠ ͍ͯ͘ "OESPJEΤϯδχΞͱͯ͠ͷ໾ׂ

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DPPLQBEBQQ NPCJMFpSTUUFBN EJWJTJPO SFRVFTU EFW LOPXMBHF ରଟ෦ॺମ੍࣌୅ EFW

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DPPLQBEBQQ EJWJTJPO EFW EFW NPCJMFGPVOEBUJPOUFBN EFW EFW EFW EFW ଟࣄۀ෦ଟਓ਺ମ੍࣌୅

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AD ݕࡧ݁Ռը໘

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AD ݕࡧ݁Ռը໘ ձһࣄۀ෦ ങ෺৘ใࣄۀ෦ ݕࡧฤ੒෦ ޿ࠂࣄۀ෦ ౤ߘਪਐ෦

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w ίʔυ ߦ͘Β͍ w Ϋϥε਺͘Β͍ w ϝιου਺ ͘Β͍ w ϥΠϒϥϦࠐΈ QSPHVBSEࡁ w ը໘਺͘Β͍ w ίʔυมߋऀϦϦʔεͰਓ ݁ߏͰ͔͍

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wࣄۀ෦಺ͰαʔϏεͷ੒௕ʹ੹೚Λ ࣋ͭ ओʹ"OESPJE෦෼ wࣄۀΛՃ଎ͤ͞Δ։ൃج൫ΛڧԽ͠ ͍ͯ͘ wଟࣄۀ෦ଟਓ਺Ͱ΋εϐʔυɺ඼࣭ Λམͱ͞ͳ͍ମ੍࡞Γ "OESPJEΤϯδχΞͱͯ͠ͷ໾ׂ

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)PX

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,15 ,15 ,15 http://techlife.cookpad.com/entry/2014/10/31/093305

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ՄࢹԽͱίϛϡχέʔγϣϯ

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"OESPJEேձ wͦͷόʔδϣϯʹؔΘΔ։ൃऀ͕ϞόΠ ϧج൫Λத৺ʹ෦ॺԣஅతʹू·Γ࿩͢ɻ ෼ఔ౓ɻ wεέδϡʔϧɺ૬ஊɺप஌ͳͲͳͲ

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νϟοτͰͷ௨஌ΛڧԽ w (JUIVC্ͷίϝϯτɺ13ɺ NFSHF౳ͷΠϕϯτ௨஌ w ։ൃεέδϡʔϧΛຖ೔௨ ஌ w $*4UBUVTΛ௨஌

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1VMM3FRVFTUޮ཰Խ w 1VMM3FRVFTUग़͢ͱ$*ͰϏϧ υͯ͠%FQMPZHBUFʹ഑৴ w σβΠϯ֬ೝ౳ḿΔ w %PLVNJ IUUQT HJUIVCDPNDPPLQBE EPLVNJ Λ࢖ͬͯࣗಈతʹࡉ ͔͍CVH౳Λࢦఠ w pOECVHT BOESPJEMJOU

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[BUTVϦϙδτϦ w ϞόΠϧ։ൃͷશൠతͳ՝୊΍ཁ ๬ɺ΍Γ͍ͨ͜ͱɺເͳͲΛࡶʹ ॻ͘ઐ༻ϦϙδτϦ w ϞόΠϧج൫νʔϜ͕Ҿ͖औΔ৔ ߹΋͋Ε͹JTTVFΛॻ͍ͨਓ͕ ΰϦοͱ΍Δ৔߹΋͋Δ w ࣾ಺ษڧձͷݕ౼JTTVF΍ҿΈ ʹߦ͘༧ఆΛ٧ΊΔJTTVFͳͲ ΋࡞ΒΕΔ ࡶͳൃ૝Λ׆͔͢νʔϜ࡞Γ:http://techlife.cookpad.com/entry/2015/03/25/202709

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ே-JOUʹΑΔมߋϋʔυϧ௿ݮ ேLint׆ಈͰࡉ͔ͳٕज़తෛ࠴Λฦࡁ͢Δ : http://techlife.cookpad.com/entry/2015/09/15/190000 w UZQP΍ϝιουͷߏ଄ͷվળ΍ ίϯύΠϥ͕ు͘ܯࠂͷमਖ਼ͳͲ ༏ઌ౓͕௿͍΋ͷͰ΋ͲΜͲΜम ਖ਼͢Δश׳ w খ͞ͳ΋ͷΛͭͿ͍ͯͬͯ͠େ͖ ͳ΋ͷʹͿ͔ͭͬͨ৔߹͸JTTVF Խ w ෦ॺԣஅతͳ׆ಈ w ࠓͰ͸ே-JOUͱ໏ଧͨͳͯ͘΋ ΍ΔΑ͏ʹͳͬͨ

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ϥΠϒϥϦಋೖʹΑΔޮ཰Խ ΞʔΩςΫνϟͷվળ w3FUSPMBNCEB 3Y+BWB 3Y5" %BUB #JOEJOH-JCSBSZ &BTZ1BSDFMBCMF LWT TDIFNB GSBHNFOUDSFBUPS "OESPJE0SNB 1FSNJTTJPOT%JTQBUDIFS 3PCPMFDUSJD wಋೖ࣌ʹ͸QSPTDPOTΛٞ࿦͢ΔJTTVFΛཱͯͨΓ ษڧձΛ։͍ͨΓ͢Δ wے೑ɺ2"ϑΣʔζʹపఈతʹςετΛ͢Δ Android։ൃͰRxJavaΛνʔϜʹಋೖͨ͠࿩ : http://techlife.cookpad.com/entry/2015/04/17/100000

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ಉ͡ધʹ৐Δ w ؔ܎ऀͷ೔ʑͷܧଓతͳձ࿩Ͱҙ͕ࣝζϨͳ͍ w νϟοτͰͷΠϕϯτͷՄࢹԽʹΑΔٞ࿦ͷ׆ੑԽ w ΍Γ͍ͨࣄ΍ཁ๬Λ࿩ͤΔงғؾ w ຊ౰ʹ΍Δ΂͖͔Λਅ݋ʹٞ࿦͋͑͠Δงғؾ w ෦ॺԣஅతʹվળΛଓ͚Δงғؾ

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೥຤ wϦϦʔεαΠΫϧͷҡ࣋ ճͷϦϦʔε wεϐʔυͷҡ࣋ CVHpY ઃܭվળ ৽ػ ೳFUDʜ wDSBTIEBZ ߋʹ඼࣭Ξοϓ

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೥ϕετΞϓϦ

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τοϓσϕϩούʔ

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·ͩ·ͩ΍Δ͜ͱ͕୔ࢁ

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6TFS'JSTU ͢΂ͯ͸ϢʔβͷͨΊʹ

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ຖ೔ͷྉཧΛָ͠Έʹ͢Δ͜ ͱͰɺ৺͔ΒͷসإΛ૿΍͢

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8F`SFIJSJOH -FUTFOKPZ"OESPJEUPHFUIFS

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࣭ٙԠ౴