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磯野、モブプログラミングやろうぜ!! #モブの宮 #mobnomiya
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TAKAKING22
September 10, 2017
Technology
3
12k
磯野、モブプログラミングやろうぜ!! #モブの宮 #mobnomiya
2017年9月10日(日)モブの宮にて。
TAKAKING22
September 10, 2017
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Transcript
!5",",*/( үɺϞϒϓϩάϥϛϯάΖ͏ͥ 2017/09/10 Ϟϒͷٶ Takao Oyobe (@TAKAKING22) Rakuten, Inc.
!5",",*/( !5",",*/( ٴ෦ܟ༤ ָఱגࣜձࣾΠϯΩϡϕʔγϣϯ։ൃ෦ Ұൠࣾஂ๏ਓΞδϟΠϧνʔϜΛࢧ͑ΔձΛࢧ͑Δձ ۭલઈޙͷΞδϟΠϧϞϯελʔ ઈౖ౭ͷے୲ ਪ͠ϝϯɿࢁຊ࠼
!5",",*/( Ϟϒϓϩͷਓ IUUQTTQFBLFSEFDLDPNUBLBLJOHNPCVQVSPHVSBNJOHVUPJVEPOHLJGBOHOVNCFSEFWMPWF
!5",",*/( ࠓͷ͓ ࣮ࡍʹϞϒϓϩάϥϛϯάΛମݧ͢Δલʹɺ Ϟϒϓϩάϥϛϯάͱ͍͏ಇ͖ํΛ օ͞ΜΑΓͪΐͬͱઌʹݱͰ࢝ΊͯΈͨܦݧ ͦ͜Ͱಘֶͨͼʹ͍͓ͭͯ͠·͢ɻ ମݧΛ͢Δ࣌ʹࣗͷݱͩͬͨΒʜ Λࢥ͍ු͔ΒΕΔΑ͏ʹΠϝʔδΛΒ·ͯ͠ΈͯԼ͍͞ʂʂ
!5",",*/( Ϟϒϓϩάϥϛϯάͱɺ νʔϜશһͰ ✓ ಉ͡ࣄΛ ✓ ಉ࣌ؒ͡ʹ ✓ ಉ͡ॴͰ ✓
ಉ͡ίϯϐϡʔλʔͰ ͢Δ͜ͱ
!5",",*/( Ϟϒϓϩάϥϛϯά ✓ ࠒʹ)VOUFS*OEVTUSJFT͕࢝Ίͨ ✓ "HJMFͰ8PPEZ;VJMM͕հͨ͠ ✓ ݄ʹॳΊͯͷ.PC1SPHSBNNJOH $POGFSFODF͕։࠵͞Εͨ
!5",",*/( IUUQTXXXZPVUVCFDPNXBUDI WQ@QWTM4H&* "EBZJOUIF)VOUFS*OEVTUSJFTMJGFJO
!5",",*/( )VOUFS*OEVTUSJFTͷϞϒϓϩάϥϛϯά ✓ ͭͷ෦ॺʢਓʣ͕ಋೖΛ͍ͯ͠Δ ✓ ͭͷϞϒʹࢀՃ͍ͯ͠Δͷʙਓ͕ଟ͍ ✓ ৗʹϞϒϓϩάϥϛϯάΛ͍ͯ͠Δ ✓ Ϟϒͷग़ೖΓࣗ༝
✓ ߩݙͰ͖ͳ͔ͬͨΒྡͷϞϒʹҠಈͯ͠Α͍
!5",",*/( ࢲͨͪͷϞϒϓϩάϥϛϯά
!5",",*/( )VOUFS*OEVTUSJFTͷ൴Βɺ ϓϥΫςΟεͱͯ͠Ͱͳ͘ ಇ͖ํͱͯ͠Ϟϒϓϩάϥϛϯά Λ͍ͬͯΔײ͡ )VOUFS*OEVTUSJFTΛ๚ͨ͠ޱ͞Μᐌ͘ɺ ͳͥϞϒϓϩάϥϛϯάΛ࢝Ίͨͷ͔ ʘͳʹͦΕɺΊͬͪΌ໘നͦ͏ʗ
!5",",*/(
!5",",*/( σΟεϓϨΠ 1$
!5",",*/( υϥΠόʔ φϏήʔλʔ φϏήʔλʔ φϏήʔλʔ φϏήʔλʔ (6&45
!5",",*/( ϓϩςΠϯ ).#
!5",",*/( ࢲͨͪͷϞϒϓϩάϥϛϯά ✓ ৗʹϞϒϓϩάϥϛϯά ✓ Ϟϒͷग़ೖΓࣗ༝ ✓ ϧʔϧࡉ͔ܾ͘ΊͣʹΓͳ͕Βม͍͑ͯ͘ ಇ͖ํͱͯ͠ͷϞϒϓϩάϥϛϯάΛ࢝ΊͯΈΔ
!5",",*/( ࢲͨͪͷνʔϜ ✓ ਓνʔϜ ✓ ৽نαʔϏεͷ্ཱͪ͛Λ10$͔Β࣮ࢪ ✓ ΰʔϧৗʹมԽ͢Δ ✓ ϓϩμΫτ։ൃӦۀͳΜͰΔ
اۀϦʔϯελʔτΞοϓνʔϜ
!5",",*/( ݸਓࣗ༝࣌ؒ Ϟϒελʔτηογϣϯ Ϟϒϓϩάϥϛϯά Ϟϒϥϯν Ϟϒϓϩάϥϛϯά Ϟϒ;Γ͔͑Γ ҰͷྲྀΕ
!5",",*/( Ϟϒϓϩάϥϛϯάʹ͍ͭͯ;Γ͔͑ͬͯΈͨ
!5",",*/( ੜ࢈ੑɾεϐʔυ ৺ཧత҆શੑ ϓϩμΫτ։ൃ ϊϋɾεΩϧൖ
!5",",*/( ੜ࢈ੑɾεϐʔυ ৺ཧత҆શੑ ϓϩμΫτ։ൃ ϊϋɾεΩϧൖ
!5",",*/( ਓ͕ू·ͬͯͷίϯϐϡʔλʔͰ ࣄΛ͢ΔͳΜͯੜ࢈ੑԼ͕ΔΜ͡Όͳ͍ͷʁ ͜͏͍͏ٙΛ͍࣋ͬͯ·ͤΜ͔ʁ
!5",",*/( ୲࡞ۀͷ߹ ࢲୡͷීஈͷࣄΛੳͯ͠ΈΔͱʜ ࣮ಉظͷͨΊͷ͕࣌ؒଟ͘ɺ ࣮ࡍʹ࡞ۀΛ͍ͯ͠Δ࣌ؒҙ֎ͱগͳ͍ ˰୲͢ΔͨΊͷಉظɾ࡞ۀΛϚʔδ͢ΔͨΊͷಉظ FYேྱɺઃܭɺΩοΫΦϑɺೝࣝ߹Θͤʜ FYϨϏϡʔɺঝೝɺ;Γ͔͑Γʜ
!5",",*/( ୲࡞ۀͷ߹ ͪΖΜϛείϛϡχέʔγϣϯʹΑͬͯ खΓΛ͢Δͱ༨ܭʹ͕͔͔࣌ؒΔ ࢲୡͷීஈͷࣄΛੳͯ͠ΈΔͱʜ
!5",",*/( Ϟϒͷ߹ ৗʹҰॹʹࣄΛ͍ͯ͠ΔͷͰɺ ಉظͷͨΊͷ࡞ۀҰඞཁͳ͍ ࢲୡͷීஈͷࣄΛੳͯ͠ΈΔͱʜ
!5",",*/( Ϟϒͷ߹ ʮͬͯͳ͍ʯͰͳͯ͘ৗʹʮ͍ͬͯΔʯ ઃܭɺϨϏϡʔɺઃܭɺ߹ҙɺܭըɺݟੵΓʜ ࢲୡͷීஈͷࣄΛੳͯ͠ΈΔͱʜ
!5",",*/( ✓ ϛείϛϡχέʔγϣϯ ✓ ߹ҙܗ্ͷ ✓ ڊେͳϫʔΫϑϩʔ ✓ ݫ֨ͳϧʔϧ ✓
ͨ͘͞ΜͷϛʔςΟϯά ੜ࢈ੑΛഁյ͢Δͷͨͪ FUD
!5",",*/( ✓ ேྱ ✓ ίϛϡχέʔγϣϯͷͨΊͷϛʔςΟϯά ✓ ߹ҙܗͷͨΊͷυΩϡϝϯτ ✓ ϨϏϡʔશൠʢιʔείʔυɺυΩϡϝϯτʣ ✓
(JU'MPX ✓ Χϯόϯ ✓ ݟੵΓ ϞϒΛ࢝Ίͯͳ͘ͳͬͨͷ
!5",",*/( ✓ ఆϢʔβʔɾϏδωεϝϯόʔʹ εϐʔυͰڻ͖Λ༩͑ΒΕͨ ✓ ٕज़తʹϋϚΔ͕࣌ؒ࠷খݶʹͳΔ ✓ ޙ͍ίϛϡχέʔγϣϯ͕ෆཁʹͳΔ ✓ ಇ͘͜ͱʹूதͰ͖Δ
ੜ࢈ੑɾ։ൃεϐʔυ
!5",",*/( ਓ͕ू·ͬͯͷίϯϐϡʔλʔͰ ࣄΛ͢ΔͳΜͯੜ࢈ੑԼ͕ΔΜ͡Όͳ͍ͷʁ ͜͏͍͏ٙΛ͍࣋ͬͯ·ͤΜ͔ʁ ࢲͨͪੜ࢈ੑͷ͜ͱߟ͍͑ͯͳ͍͚Ͳɺ ϞϒϓϩάϥϛϯάϦʔϯͩͱ࣮ײ͍ͯ͠Δ
!5",",*/( ੜ࢈ੑɾεϐʔυ ৺ཧత҆શੑ ϓϩμΫτ։ൃ ϊϋɾεΩϧൖ
!5",",*/( ✓ ͓ޓ͍ͷಘҙΛิ͠߹͑Δ ✓ Θ͔Βͳ͍͜ͱΛڭ͑߹͑Δ ✓ ॻ͖ํਐΊํʹର͢Δߟ͑ํ͍Λ ৗʹ͢Γ߹ΘͤΔ͜ͱ͕Ͱ͖Δ ✓ શһͰμϝͳΒ͠ΐ͏͕ͳ͍ͱࢥ͑Δ
✓ ୡײΛڞ༗Ͱ͖Δ ৺ཧత҆શੑ
!5",",*/( ʮͬͨʔʂʂʯΛڞ༗Ͱ͖Δ
!5",",*/( ੜ࢈ੑɾεϐʔυ ৺ཧత҆શੑ ϓϩμΫτ։ൃ ϊϋɾεΩϧൖ
!5",",*/( ✓ ৗʹશһ͕͍ͬͯΔঢ়ଶΛ࡞ΕΔ ✓ ݁Ռ͚ͩ͡Όͳ͘աఔɾܦҢ͕Θ͔Δ ✓ ํΛৗʹ͢Γ߹ΘͤΒΕΔ ϊϋɾεΩϧൖ
!5",",*/( νʔϜͷࣝൣғͱͯ͠ͷϕετ #͞Μ $͞Μ "͞Μ ࣄ ࣝൣғ
!5",",*/( νʔϜͷࣝൣғͱͯ͠ͷϕετ #͞Μ $͞Μ "͞Μ ୲࡞ۀͷ߹ "͞Μͷࣝൣғ ͳͷͰରԠՄೳ "͞Μͷࣝൣғ֎Ͱɺ #͞ΜʹϨϏϡʔͯ͠
Βͬͨ߹ͷΈ ϑΥϩʔՄೳ "͞Μͷࣝൣғ֎Ͱɺ $͞ΜʹϨϏϡʔͯ͠ Βͬͨ߹ͷΈ ϑΥϩʔՄೳ
!5",",*/( νʔϜͷࣝൣғͱͯ͠ͷϕετ #͞Μ $͞Μ "͞Μ Ϟϒͷ߹ ରԠՄೳ
!5",",*/( ੜ࢈ੑɾεϐʔυ ৺ཧత҆શੑ ϓϩμΫτ։ൃ ϊϋɾεΩϧൖ
!5",",*/( ✓ ৗʹνʔϜʹର͕ੜ·Ε͍ͯΔ ✓ ಈ͘ϓϩμΫτ͕νʔϜͷத৺ʹ͋Δ ✓ िϖʔεͰސ٬ʹձ͍͑ͯΔ ✓ ܭըৗʹมԽ͍ͯ͠Δ ϓϩμΫτ։ൃ
!5",",*/( ͦͦৗʹରΛ͠ͳ͍ͱࣄ͕ਐ·ͳ͍
!5",",*/( ಈ͘ϓϩμΫτ ϝλϑΝͱͯ͠ಈ͘ϓϩμΫτ͕ৗʹνʔϜͷத৺ʹ͋Δ
!5",",*/( ✓ ৗʹνʔϜʹର͕ੜ·Ε͍ͯΔ ✓ ಈ͘ϓϩμΫτ͕νʔϜͷத৺ʹ͋Δ ✓ िϖʔεͰސ٬ʹձ͍͑ͯΔ ✓ ܭըৗʹมԽ͍ͯ͠Δ ϓϩμΫτ։ൃ
͜Εͬͯɾɾɾʂʁ
!5",",*/( IUUQBHJMFNBOJGFTUPPSHJTPKBNBOJGFTUPIUNM
!5",",*/( ͓·͚
!5",",*/( ۚ IUUQTXXXFWFOUCSJUFDPNFIVOUFSSFHJTUSBUJPO
!5",",*/( )VOUFS*OEVTUSJFT ͷΫϦεདྷ·͢ IUUQTUFDISBLVUFODPKQ
!5",",*/( IUUQTXXXGBDFCPPLDPNHSPVQT.PC-07& Ϟϒϓϩؔ࿈ͷ ใ͕ू·͖ͬͯ·͢
!5",",*/( IUUQTHJUIVCDPNZBUUPN.PC1SPHBNNJOH1BUUFSOTXJLJ
!5",",*/( ϞϒϓϩͱϖΞϓϩͷҧ͍ʁ ਐΊΔྲྀΕҙڞ௨͕ଟ͍Ͱ͢ɻ lಉظzΛ͢Δ͔͠ͳ͍͔͕ҧ͏ͱࢥ͍·͢ɻ ϖΞϓϩͷ߹ଞͷϖΞ͍ΔͷͰ ࡞ۀͷಉظඞཁͰ͕͢ɺ Ϟϒϓϩͷ߹ࣄʹਓ͕ू·ΔΠϝʔδ ͳͷͰಉظඞཁ͋Γ·ͤΜɻ
!5",",*/( ͬͯΈ͚ͨͲ͏·͍͔͘ͳ͔ͬͨ ͏·͍͔͘ͳ͍͜ͱ͕ൃݟͰ͖ͯΑ͔ͬͨ Ͱ͢Ͷɻ ͦͷ͏·͍͔͘ͳ͔ͬͨཧ༝Ϟϒϓϩ͕ ݪҼͰͳͯ͘νʔϜʹજࡏతʹଘࡏͯ͠ ͍͔ͨ͠Ε·ͤΜɻ
!5",",*/( ަͷλΠϛϯάʁ ࢲୡΩϦ͕͍͍λΠϛϯάͰมΘΔ ʮมΘΕʯʢզ͕ՈํࣜʣͰ͢ɻ λΠϚʔͰ࣌ؒΛܭͬͯຖʹมΘΔ ͳͲΛΒΕ͍ͯΔํ͍ΔΑ͏Ͱ͢ɻ
!5",",*/( εΩϧʹΒ͖͕ͭ͋Δ߹ʁ ʮࠓͷΘ͔Βͳ͔ͬͨʯॏཁͳใͰ͢ɻ ͨͩɺ͔ͳΓ͍͍νʔϜͰͳ͍ͱݴ͍ग़͠ ʹ͍͘͜ͱ͋ΔͷͰɺ͑ͯෆ׳Εͳਓʹ υϥΠόʔΛ୲ͯ͠Βͬͯ ʮϒϨʔΩΛ౿ΉݖརʯΛ্खʹ׆༻͢ Δ͜ͱΛ͓͢͢Ί͠·͢ɻ
!5",",*/( ·ͱΊ
!5",",*/( ✓ ͳͥࣄΛ୲͢Δඞཁ͕͋ΔͷͩΖ͏͔ ✓ ࣄΛ୲͢Δํ͕ޮతͳͷͩΖ͏͔ ✓ ͳͥಉظ͢Δඞཁ͕͋ΔͷͩΖ͏͔ ✓ ͳͥϒϥϯνΛ͏ඞཁ͕͋ΔͷͩΖ͏͔ ઌೖ؍ʹ͍࣋ͬͯͳ͍ͩΖ͏͔ʁ
!5",",*/( IUUQTTQFBLFSEFDLDPNUBLBLJOH IUUQTXXXTMJEFTIBSFOFU5BLBP0ZPCFQSFTFOUBUJPOT ࠷ऴతʹʮͬͱҰॹʹಇ͚͍͍ʯ ͱ͍͏݁ʹͳΔ͜ͱ͕ଟ͍
!5",",*/( ιϑτΣΞ։ൃ্ͷͷଟ͘ɺ ٕज़తͱ͍͏ΑΓࣾձֶతͳͷͰ͋Δ τϜɾσϚϧίςΟϞγʔɾϦελʔʢϐʔϓϧΣΞʣ
!5",",*/( ୲͢Δ͜ͱΛલఏʹɺ ͦͷͨΊͷίϛϡχέʔγϣϯΛ ͏·͘Ζ͏ͱ͍͗ͯ͢͠ͳ͔ͬͨͩΖ͏͔
!5",",*/( ϓϩμΫτ͕ಈ͍ͨ࣌ɺ ϓϩμΫτΛ͓ͬͨ٬͞Μ͕تΜͰ͘Εͨ࣌ɺ ؒͱҰॹʹʮͬͨʔʂʂʯͱݴ͍ͬͯ·͔͢ʁ
!5",",*/( ࢥ͍ग़ͤͯ͘͞Εͨͷ͕Ϟϒϓϩάϥϛϯάͩͬͨ
!5",",*/( ୭͕͜ͷಇ͖ํΛؾʹೖΔΘ͚Ͱͳ͍ ҙ
!5",",*/( ϞϒϓϩάϥϛϯάΛɺ ͬͯΈͯ ͬͯΈͳͯ͘ ͬͯΈͯ͏·͍͔͘ͳͯ͘ ͳΜ͍͍ͩͬͯ
!5",",*/( ूஂ ✓ ूஂʹਓͷू߹ ✓ ΞαΠϯ͞Εͯ͜ͳ͢ ✓ ड͚ͳ࢟ νʔϜ
✓ νʔϜʹ ✓ νʔϜʹߩݙ͢Δ ✓ ೳಈతͳ࢟ lू·ͬͯ͘Δz lूΊΒΕΔz
!5",",*/( νʔϜͱ৺ཧత҆શੑͷؔ ৺ཧతʹ҆શ͔ͩΒ ਓ͕ू·ͬͯ͘Δ
!5",",*/( Ϟϒϓϩάϥϛϯά·͞ʹ͜ͷߏਤ Ϟϒ
!5",",*/( ࣗͷνʔϜʹ͍ͭͯɺ ࢦ͢νʔϜʹ͍ͭͯߟ͑Δ͖͔͚ͬ ʹͳΔ͔͠Εͳ͍
!5",",*/( -FUT.PC !5",",*/(