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kyushu02
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Kuniaki IGARASHI
April 14, 2013
Technology
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kyushu02
Ruby村 観光課 親切係 五十嵐邦明
九州Ruby会議02
2013.4.14
Kuniaki IGARASHI
April 14, 2013
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Transcript
3VCZଜ؍ޫ՝ ޒेཛྷ໌ ,VOJBLJ*("3"4)*JHBJHB BUभ3VCZձٞ #":&3/'6,60,"
ޒेཛྷ໌ גࣜձࣾສ༿ɹΤϯδχΞ UXJUUFS!JHBJHB HJUIVCJHBJHB GBDFCPPLIUUQGBDFCPPLDPNLVOJBLJJHBSBTIJ
ͪΐͬͱ Ԭ·Ͱ ࢄา͠ʹ ͖·ͨ͠
5PLZV3VCZ,BJHJTUBGG
גࣜձࣾສ༿
8&# %#13&44 גࣜձࣾສ༿
None
None
ඇৗۈߨࢣۀ 3VCZ3BJMT
จܥͷֶՊ
3VCZ3BJMT ඇৗۈߨࢣۀ
ϓϩάϥϜॳΊͯ ͱ͍͏ֶੜ͞Μ͕ ΄ͱΜͲ
ͳΜͰ डߨͨ͠ͷʁ ֶੜ͞Μʹฉ͍ͯΈͨ
IUNMͱDTTΛॻ͍ͨ ͜ͱ͕͋ͬͨͷͰɺ XFCΞϓϦࣗͰ ࡞ͬͯΈ͍ͨɻ
ߨٛͰ Ή͔͍ͣ͜͠ͱ
ֶੜ͞Μͷ স͍ΛͱΔ͜ͱ
ᖛ࡚݈ޗ 5FBDIJOH"TTJTUBOU भߴઐग़ 5"ͷᖛ࡚͞Μᐌ͘
ޒेཛྷ͞Μɺ ͋ͦ͜ ਓड͚ͯ·ͨ͠Αɻ ˞ֶੜਓ
͍͢͝Ͱ͢Ͷɺ ਓসͬͯ·ͨ͠Αɻ ˞ֶੜਓ
ͦΜͳϨϕϧ
ͪͳΈʹ ߨٛͰҰ൪ ड͚ͨͷ
None
ίϨˢ
ίϨˢ
None
None
None
͟Θ͟Θ ͟Θ͟Θ
͟Θ͟Θ ͟Θ͟Θ ͛͢ʔ
͟Θ͟Θ ͟Θ͟Θ ͛͢ʔ ͋ͷਓYYͬͯͷ ಡΊΔͷ
3VCZଜ؍ޫ՝ ޒेཛྷ໌ ࠓɺ͜͜ͷ ߨٛɾ3BJMT(JSMTɾ3BJMTࣉࢠ Λʹͨ͠ࢲͷ׆ಈͷ
3BJMT(JSMT
ۅౡɺ3VCZ ͡ΊͨͬͯΑ ઌੜʂ 3VCZ͓ͭʹ ೖΓ·͔͢ʁ 3VCZଜ ؍ޫ՝
ۅౡɺ3VCZ ͡ΊͨͬͯΑ ୈ෦
IUUQEIBUFOBOFKQBVUIPS/BSJ
Έͳ͞Μ͕ 3VCZΛ͡Ίͨ ͖͔͚ͬʁ
ࡳຈͰब৬ͯ͠ϓϩάϥϜΛॻ͖࢝Ίͨ $ $ PO4PMBSJT8JO 3VCZࡳຈͷUNBFEB͞ΜΒઌഐ͕3VCZU%JBSZΛͬͯͨ
U%JBSZ ݱଘ͢Δ࠷ݹͷ8FCهΞϓϦ
U%JBSZͰ͍͕͍͕هΛॻ͖͡ΊΔ 3VCZͱग़ձ͏͕·ͩ3VCZΛಡΈॻ͖Ͱ͖ͳ͔ͬͨ
None
IUUQQSF[JDPNDLJ[XYCSWQSVCZSVCZMU
ͳͥɺ3VCZΛ͍͡Ίͯɺ ͦͯ͠ࣄʹͨ͠ͷ͔
ͳͥɺ3VCZΛ͍͡Ίͯɺ ͦͯ͠ࣄʹͨ͠ͷ͔ ۙ͘ͷਓ͕ͬͯͨ 3VCZΛ͏ػձ͕͋ͬͨ ͳΜָ͔ͦ͠͏ͩͬͨ
ͳΜ͔ͨͷͦ͠͏ͳ3VCZJTUͨͪ
ͳΜ͔ͨͷͦ͠͏ͳ3VCZJTUͨͪ
ͳΜ͔ͨͷͦ͠͏ͳ3VCZJTUͨͪ
None
3VCZʹग़ձͬͯ ࣗ༝ͱ ͤͳؾ࣋ͪͰࣄ͕Ͱ͖Δتͼ ΛखʹೖΕͨ
3VCZͨͷ͍͠ͱ ࢥͬͯΒ͑ͨΒخ͍͠ ࢲ3VCZͱग़ձͬͯ ମݧ͢ΔॴΛఏڙ͍ͨ͠
3VCZ3BJMT ඇৗۈߨࢣۀ ߨٛ
3BJMT(JSMT
None
3BJMT (JSMT .PSF
3BJMT(JSMT ࡞ू IUUQCMPHQBQJQVQFQVKJJDPN தଜҮ͞Μ!TPNBMJ IUUQTHJUIVCDPN:BZPJ,BSVUB IUUQXXXGBDFCPPLDPNZBZPJUBLFNVSB
None
ίʔε͚
ࣉࢠࢣൣਞ
3BJMTࣉࢠ ࠓޙͷૂ͍ wܧଓ։࠵ wڭҭػؔͷಇ͖͔͚ wग़ுߨٛ wઌੜʹٕΛ͑Δ
ୈ෦ ઌੜʂ 3VCZ͓ͭʹؚ·Ε·͔͢ʁ
ୈ෦ ઌੜʂ 3VCZ͓ͭʹؚ·Ε·͔͢ʁ ڈؒͷߨٛΛ ͲͷΑ͏ʹΈཱͯͨͷ͔ ࣮ࡍͬͯΈͯͲ͏ͩͬͨͷ͔ Λ͓͠͠·͢ɻ
ԿΛڭ͑Δ͔ʁ
ཁ݅ 3BJMTΛڭ͑ͯΒ͑Ε ͋ͱࣗ༝Ͱ͍͍͔Β
Ͳ͔͜Βணख͍͍͔͔ͯ͠Βͳ͍͕ɺ ͻͱ·ͣඪΛͬ͘͟ΓཱͯͯΈΔ ͬ͘͟Γͳඪ w3VCZͷجૅ͕ʹ͖ͭɺ؆୯ͳϓϩάϥϜΛॻ͚Δ w3VCZʹؔ͢Δෆ໌͕͋ͬͨͱ͖ʹௐΒΕΔ
͔ΜͨΜʹͰ͖ͦ͏Ͱ ໘നͦ͏ͳࡐΛ୳͢ ਓखͰෆՄೳ͚ͩͲϓϩάϥϜΛॻ͚Ͱ͖Δ͜ͱͱ͔ ˣ 8JLJQFEJBͷΞΫηεޠσʔλղੳ ຖ࣌ؒͷσʔλʢສߦʣ͕ެ։͞Ε͍ͯΔ ͳͥͦͷ࣌ؒʹͦͷϫʔυ͕ଟ͘ݕࡧ͞Ε͍ͯΔ͔ߟͰ͖Δ
8JLJQFEJBͷΞΫηεղੳ FODPEJOHVUG SFRVJSFDHJ pMFOBNFKBUYU pMF'JMFPQFO pMFOBNF S65' MJTU<> XIJMFUFYUpMFHFUT CFHJO
OFYUVOMFTTUFYUd?KB EBUBUFYUTQMJU I\UJUMF$(*VOFTDBQF EBUB<> DPVOUEBUB<>^ MJTUQVTII SFTDVF&YDFQUJPOF ˌQF FOE FOE pMFDMPTF DPVOUॱʹιʔτ SFTVMUMJTUTPSU@CZEPcJc J<DPVOU>UP@J FOE τοϓදࣔ SFTVMUSFWFSTFpSTU FBDIEPcJc QVUTJ FOE ߦ͘Β͍Ͱॻ͚·͢
ղɿ8JLJQFEJBͷΞΫηεղੳ "SSBZ͕ѻ͑Δ ඪɿ<B C D>͔Β࠷ॳͷཁૉ B Λऔಘ ඪɿ"SSBZΦϒδΣΫτʹσʔλΛ٧ΊΔ ඪɿ"SSBZΦϒδΣΫτΛιʔτͰ͖Δ wϑΝΠϧ͔ΒσʔλಡΈࠐΈ
w$(*VOFTDBQF wॲཧͰ͖ͳ͍จࣈͷྫ֎ॲཧ w۠ΓจࣈͰׂ֤ͯ͠ཁૉʹׂ w"SSBZ͕ѻ͑Δ w)BTI͕ѻ͑Δ ‑͞Βʹղͯ͠খ͞ͳඪʹ͢Δ
ࣝʜͬͯΔ͜ͱ ٕೳʜͰ͖Δ͜ͱ ɹʢΖ͏ͱ͢ΕͰ͖Δ͜ͱʣ ߦʜ࣮ࡍʹ͢Δ͜ͱ ඪੳɿඪΛ͞Βʹղ
ඪɿ<B C D>͔Β࠷ॳͷཁૉ B Λऔಘ ࣝʜ <B C D>"SSBZͷΦϒδΣΫτ ϦϑΝϨϯεϚχϡΞϧͷଘࡏ
ϦϑΝϨϯεϚχϡΞϧͷௐํ ϓϩάϥϜͷ࣮ߦํ๏ ٕೳʜ ϦϑΝϨϯεϚχϡΞϧͰௐΔ ΤσΟλΛىಈ͢Δ ΩʔϘʔυ͔ΒϓϩάϥϜΛೖྗ λʔϛφϧΛىಈ ϑΝΠϧͷ͋ΔॴҠಈɺ࣮ߦ ߦʜ ىֶ͖ͯߍߦ͖ɺߨٛʹग़Δ ΠϯλʔωοτͰ༡ͣʹ՝ΛΔ
ࣝʜͬͯΔ͜ͱ ٕೳʜͰ͖Δ͜ͱ ɹʢΖ͏ͱ͢ΕͰ͖Δ͜ͱʣ ߦʜ࣮ࡍʹ͢Δ͜ͱ ඪੳɿඪΛ͞Βʹղ ࣝͱٕೳΛୡඪͱ͢Δͱྑ͍ͱݴΘΕΔ ߦϥΠόϧ͕͍ΔͷͰୡඪͱ͢Δͷ͕͍͠ ྫ ٿΛڭ͕͑ͨɺαοΧʔΛؾʹೖΓɺٿΛΒͳ͍ ˞ͨͩ͠ɺࢲߦ·ͰΛඪͱͨ͠
࣮ࡍͷߨٛ Ͳ͏͔ͩͬͨͱݴ͏ͱɾɾɾ
ߨٛTUFQ ʮࣝʯͷ෦Λઆ໌͢Δ ࣝʜ<B C D>"SSBZͷΦϒδΣΫτ ϦϑΝϨϯεϚχϡΞϧͷଘࡏ ϦϑΝϨϯεϚχϡΞϧͷௐํ ϓϩάϥϜͷ࣮ߦํ๏ ՝ɿ<B C
D>͔Β࠷ॳͷཁૉ B Λऔಘ
ߨٛTUFQ ʮٕೳʯͷ෦Λʹ͚ͭΔͨΊʹɺ ࣮ࡍʹϓϩάϥϜΛॻ͍ͯΒ͏ ٕೳʜ ϦϑΝϨϯεϚχϡΞϧͰௐΔ ΤσΟλΛىಈ͢Δ ΩʔϘʔυ͔ΒϓϩάϥϜΛೖྗ λʔϛφϧΛىಈ ϑΝΠϧͷ͋ΔॴҠಈɺ࣮ߦ
ߨٛTUFQ ֶੜ͔Β࣭͕དྷΔ ٕೳʜ ϦϑΝϨϯεϚχϡΞϧͰௐΔ ΤσΟλΛىಈ͢Δ ΩʔϘʔυ͔ΒϓϩάϥϜΛೖྗ λʔϛφϧΛىಈ ϑΝΠϧͷ͋ΔॴҠಈɺ࣮ߦ ʮઌੜʂ͜ΕͬͯͲ͏ͬͯଧͭΜͰ͔͢ʁʯ Λࢦࠩ͠ͳ͕Β
ߨٛTUFQ ֶੜ͔Β࣭͕དྷΔ ٕೳʜ ϦϑΝϨϯεϚχϡΞϧͰௐΔ ΤσΟλΛىಈ͢Δ ΩʔϘʔυ͔ΒϓϩάϥϜΛೖྗ λʔϛφϧΛىಈ ϑΝΠϧͷ͋ΔॴҠಈɺ࣮ߦ ʮઌੜʂ࣮ߦͬͯͲ͏͍͏͜ͱͰ͔͢ʁʯ ˠʮࣝʯʹʮTIFMMʯ͕Γͳ͔ͬͨͷͰ
࣍ճߨٛͰΑΓৄࡉͳTIFMMͷઆ໌ ྟػԠม
ߨٛTUFQ ֶੜ͔Β࣭͕དྷΔ ٕೳʜ ϦϑΝϨϯεϚχϡΞϧͰௐΔ ΤσΟλΛىಈ͢Δ ΩʔϘʔυ͔ΒϓϩάϥϜΛೖྗ λʔϛφϧΛىಈ ϑΝΠϧͷ͋ΔॴҠಈɺ࣮ߦ ʮઌੜʂอଘͨ͠ϑΝΠϧͲ͜Ͱ͔͢ʁʯ ˠʮࣝʯʹʮ8JOEPXTʯ͕Γͳ͔ͬͨͷͰڭ͑Δ
ˠߨࢣʹ8JOEPXTͷ͕ࣝΓͳ͍͜ͱ͕͔Δ
ߨٛΛਐΊ͍ͯ͘ͱ ֶੜͷಘखෆಘख͕͔Δ
ಘҙʹྨ͞ΕΔͷྫ
ҰखͰղ͚Δͷਖ਼ߴ͍ จࣈྻXSJUFதͷFΛUFOʹஔ ͠ɺXSJUUFOʹ͢ΔίʔυΛॻ͍͍ͯͩ͘͞ɻ XSJUFHTVC F UFO XSJUUFO ղྫ
͍͠ʹྨ͞ΕΔͷྫ
)BTIۤखΈ͍ͨ BMJDF CPC DBSPMͷࢼݧͷ͕࣍ͷΑ͏ʹ)BTIʹ֨ೲ͞Ε͍ͯ·͢ɻ BMJDF\FOHMJTI NBUI IJTUPSZ^ CPC\FOHMJTI NBUI IJTUPSZ^
DBSPM\FOHMJTI NBUI IJTUPSZ^ ֤ՊͷฏۉΛग़ྗ͍ͯͩ͘͠͞ BMJDF\FOHMJTI NBUI IJTUPSZ^ CPC\FOHMJTI NBUI IJTUPSZ^ DBSPM\FOHMJTI NBUI IJTUPSZ^ QVUTFOHMJTIBWFSBHF BMJDF<FOHMJTI> CPC<FOHMJTI> DBSPM<FOHMJTI> QVUTNBUIBWFSBHF BMJDF<NBUI> CPC<NBUI> DBSPM<NBUI> QVUTIJTUPSZBWFSBHF BMJDF<IJTUPSZ> CPC<IJTUPSZ> DBSPM<IJTUPSZ> ղྫ
΄͔ʹखࠒͳ՝Λ୳ͯ͠ ΰʔϧΛઃఆ
3VCZͷجૅ͕ʹ͖ͭɺ؆୯ͳϓϩάϥϜΛॻ͚Δ ɹXJLJQFEJBΞΫηεͷղੳ ɹ&YDFMϑΝΠϧΛϓϩάϥϜ͔ΒಡΈॻ͖͢Δ 3VCZPO3BJMTͷجૅ͕ʹ͖ͭɺ؆୯ͳΞϓϦΛ࡞ΕΔ ɹը૾Λߘ͢Δ8FCΞϓϦ࡞Γ ɹΠϯλʔωοτͷࣗ࡞8FCΞϓϦͷެ։ 3VCZʹؔ͢Δෆ໌͕͋ͬͨͱ͖ʹௐΒΕΔ ͜ͷߨٛΛड͚Δͱ ͜Ε͕Ͱ͖ΔΑ͏ʹͳΔ ༧ఆ
ΰʔϧϚχϑΣετ
ઃܭ5%% ςετ ɾ֤ճͷ՝ w3VCZͷجૅతͳίʔυ w8JLJQFEJBͷΞΫηεղੳ w&YDFMૢ࡞ ɾ࠷ऴ՝ wࣗͰߟ͑ͨ3BJMTΞϓϦΛͭ͘Δ
ΰʔϧΛઃఆͨ͠ ͜ΕͰ0,͔ʁ ݄ ߨٛ։࢝ ݄ લظमྃ ݄ ޙظमྃ
ֶੜ ݄ ߨٛ։࢝ ݄ લظमྃ ݄ ޙظमྃ ߨٛͷઌʹ͘͘ଓ͘ະདྷ͕ ࣾձਓ
۩ശʹ3VCZΛͭΊͯ ͍࣋ͬͯͬͯΒ͏ IUUQXXXqJDLSDPNQIPUPTUPNUFD
ߨ͕ٛऴΘͬͨ͋ͱ 3VCZΛࢥ͍ग़ͯ͠Β͏ͨΊʹ ੈͷதʹ໘ന͍͜ͱ͕ͨ͘͞Μ
ͨͷ͠͞
None
ʮࢲϓϨθϯͷͱ͖ʹ៉ྷͳঁੑͷ ࣸਅΛग़ͨ͠Γɺඒ͍͠ԻָΛ͔͚ͨ Γ͢Δɻௌऺָ͍͠ؾʹͳΔɻ ͢ΔͱࢲͷϓϨθϯͰຬͨ͠Α͏ʹ ࡨ֮ͯ͠ؼͬͯ͘ΕΔͷͩɻʯ Joel Spolsky
ҹͱதͷҧ͍͍͍͋ͬͯ ϓϩάϥϛϯάෆث༻ Ͱ ʮͬͯΈͨΒ ໘ന͔ͬͨʯ ͱݴͬͯΒ͑Δ ͔͠Εͳ͍
͔ͩΒϓϩάϥϛϯάΛ͢ΔػձΛ ఏڙ͍ͨ͠
ʮϓϩάϥϛϯάͱ͍͏ݴ༿ฉ ͍ͨ͜ͱ͕͕͋ͬͨɺͲ͜ߦ͚ श͏͜ͱ͕Ͱ͖Δͷ͔͔Βͳ ͔ͬͨɻ͔ͩΒ͜ͷߨٛΛΈ͚ͭ ͯɺऔΓ͍ͨͱࢥͬͨΜͰ͢ɻʯ ֶੜͷ
ࡶஊେࣄ w3VCZ$POG͍͖ͬͯͨ w5ϙΠϯτΧʔυ wΞϝϦΧେ౷ྖબڍ wՀཟͱόβʔϧ ˞ืूத ಓͨͷՖؾʹ͔͚ΕʹೖΔ Βͳ͍ՖΛݟͨͱ͖ʹ໊લΛௐͯΈΔ͔͠Εͳ͍
ؒͷߨ͕ٛऴྃ
ɾUXJUUFSσʔλΛղੳͯ͠ͲͷӺ͕ʹ͗Θ͍ͬͯΔ͔ΛௐΔ ɾਓͰϓϨΠͰ͖ΔγϡʔςΟϯάήʔϜͷ࡞ ɾ&YDFMͱΈ߹Θͤͨμʔπಘܭࢉ ɾFMFSOJOH8FCΞϓϦ ɾ࠲͍8FCΞϓϦ ɾ5XJUUFSൃݴͷղੳ ɾͷग़ɺͷೖͷ࣌ࠁΛJ1IPOF1VTI௨ IUUQJHBSBTIJLVOJBLJOFUEJBSZIUNM ߨٛ࠷ऴ՝ྫ
ֶੜͷ ϓϩάϥϚʹͳͬͯΈ͍ͨͰ͢ʂ
IUUQXXXqJDLSDPNQIPUPTDMBQQTUBS
෭࢈
IUUQTHJUIVCDPNIJUPUTVCBTIJSVCZMFDUVSF ϓϩάϥϜΛ࢝ΊΔ͋ͳͨͷͨΊͷ 3VCZͱ3BJMTͷڭՊॻ
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͔ͩΒࢲ ࣗͷՌथԂΛ։͍ͯͭ Ռ࣮Λ৯ʹ͖ͯ͘ΕΔਓΛ IUUQXXXqJDLSDPNQIPUPTLFWBOEFN
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ສ༿SC ౡాߒೋ
[email protected]
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͓Β͕ଜͷಛ࢈Ͱੈքʹসإ͕૿͑Δ ݱ࣮ੈքͷͤͱϓϩάϥϜΛॻ͕ͤͭ͘ͳ͕Δ
matz rubyconf2012 keynote ίʔυΛॻ͘͜ͱͰੈքΛ Α͘͠·͠ΐ͏ɻࢲͨͪ ੈքΛͬͱΑ͘Ͱ͖Δͱ ৴͍ͯ͡·͢ɻ
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