ruby20 - Speaker Deck

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3VCZPO3BJMTߨٛ ୈճ$36%جૅ ޒेཛྷ๜໌ UXJUUFSJHBJHB IUUQXXXGBDFCPPLDPNLVOJBLJJHBSBTIJ BUҰڮେֶ χϑςΟגࣜձࣾدෟߨٛ ࣾձՊֶʹ͓͚Δ৘ใٕज़ͱ ίϯςϯπ࡞੒*7

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ޒेཛྷ๜໌ ߨࢣ גࣜձࣾTQJDFMJGF UXJUUFSJHBJHB IUUQTHJUIVCDPNJHBJHB IUUQXXXGBDFCPPLDPNLVOJBLJJHBSBTIJ

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ᖛ࡚݈ޗ 5FBDIJOH"TTJTUBOU qVYqFY JOD ถࠃ๏ਓ UXJUUFSINTL IUUQTHJUIVCDPNINTL IUUQXXXGBDFCPPLDPNIBNBDIBOH

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ٳߨ࿈བྷ ݄೔ ೔ͷߨٛ͸ ٳߨͰ͢ɻ

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՝୊νΣοΫ༻ͷ෇ᝦͷॻ͖ํ ্ͷํʹֶ੶൪߸ͱ໊લΛॻ͍͍ͯͩ͘͞ ֶ੶൪߸ ໊લ ˞͜ͷลʹߨࢣਞ͕Ϋ ϦΞͨ͠՝୊൪߸Λॻ ͍͍͖ͯ·͢ɻ

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$36%جૅ IUUQXXXqJDLSDPNQIPUPTVJDEJHJUBM

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SBJMTOFXCPPLT@BQQ DECPPLT@BQQ CVOEMFFYFDSBJMTHTDBGGPMECPPLTUJUMFTUSJOHNFNPUFYU CVOEMFFYFDSBLFECNJHSBUF IUUQMPDBMIPTUCPPLT CVOEMFFYFDSBJMTT ϒϥ΢βͰ্هͷΞυϨε΁ΞΫηεͯ͠ಈ࡞֬ೝͯ͠Έ·͠ΐ͏ɻ ԋशຊͷײ૝ͳͲΛ؅ཧ͢ΔΞϓϦΛ࡞ͬͯΈ·͠ΐ͏ɻ ˞ୈճͰͭͬͨ͘ ΞϓϦͱಉ͡಺༰Ͱ͢ɻ ‏͜ΜͳΞϓϦ͕Ͱ͖·͢ɻ

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4DBGGPME IUUQXXXqJDLSDPNQIPUPTDSBNPDPNNVOJDBUJPOT

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TDBGGPME ͔ΜͨΜʹϒϩάϖʔδͷΑ͏ͳ ౤ߘػೳΛੜ੒͢Δػೳ ࡞੒ɺදࣔɺߋ৽ɺ࡟আ ͷͭͷػೳΛ࣋ͭϖʔδ܈Λ ಈ͔͢ίʔυΛੜ੒͠·͢ɻ ˞࣮͸TDBGGPMEΛ׆༻͢Δͱ͍͏ͷ͸࣮ࡍͷ։ൃͰ͸ ͦ͏ଟ͘ͳ͍Ͱ͢ɻ͔͠͠ɺجຊͷษڧʹ͸͏͚ͬͯͭ ͳͷͰɺTDBGGPMEͰੜ੒ͨ͠ϖʔδ͕Ͳ͏ಈ͔͘Λத ৺ʹղઆΛਐΊ͍͖ͯ·͢ɻ

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TDBGGPME͕࡞ͬͨ ͜ΕΒͷػೳ͸ 8FCΞϓϦͷجຊͱͳΔͨΊ $36% Ϋϥου ͱ͍͏໊લ͕͍ͭͯ·͢ɻ $SFBUF 3FBE 6QEBUF %FTUSPZ ͷ಄จࣈͰ͢ɻ ࡞੒ɾදࣔɾߋ৽ɾ࡟আ

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CVOEMFFYFDSBJMTHTDBGGPMECPPLTUJUMFTUSJOHNFNPUFYU ੜ੒͞ΕΔίʔυϑΝΠϧ܈

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TDBGGPMEͰੜ੒͞ΕΔϑΝΠϧͷҰ෦ ECNJHSBUF@DSFBUF@CPPLTSC BQQNPEFMTCPPLSC SFTPVSDF@SPVUF SFTPVSDFTCPPLT BQQDPOUSPMMFSTCPPLT@DPOUSPMMFSSC BQQWJFXTCPPLT BQQWJFXTCPPLTJOEFYIUNMFSC BQQWJFXTCPPLTFEJUIUNMFSC BQQWJFXTCPPLTTIPXIUNMFSC BQQWJFXTCPPLTOFXIUNMFSC BQQWJFXTCPPLT@GPSNIUNMFSC SC͸3VCZίʔυɺIUNMFSC͸)5.-ςϯϓϨʔτ

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͜ͷޙͷઆ໌ʹओʹؔ܎ͯ͘͠Δͷ͸ҎԼͷϑΝΠϧ܈ ECNJHSBUF@DSFBUF@CPPLTSC BQQNPEFMTCPPLSC SFTPVSDF@SPVUF SFTPVSDFTCPPLT BQQDPOUSPMMFSTCPPLT@DPOUSPMMFSSC BQQWJFXTCPPLT BQQWJFXTCPPLTJOEFYIUNMFSC BQQWJFXTCPPLTFEJUIUNMFSC BQQWJFXTCPPLTTIPXIUNMFSC BQQWJFXTCPPLTOFXIUNMFSC BQQWJFXTCPPLT@GPSNIUNMFSC

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TDBGGPME͸࣍ͷϖʔδʹࣔ͢ ࡞੒ɺදࣔɺߋ৽ɺ࡟আͷͨΊͷ ͭͷը໘ͱɺ ը໘ͷͳ͍ͭͷػೳΛੜ੒͠·͢ɻ

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JOEFY OFX FEJU TIPX Ұཡ ฤू ৽ن ೖྗ ৄࡉ

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JOEFY CPPLT (&5 OFX CPPLTOFX (&5 FEJU CPPLTJEFEJU (&5 TIPX (&5 CPPLTJE DSFBUF 1045 CPPLT VQEBUF 165 CPPLTJE EFTUSPZ %&-&5& CPPLTJE ৽نొ࿥ SFEJSFDU SFEJSFDU ߋ৽ ฤू SFEJSFDU ৽نೖྗ ࡟আ ΞΫγϣϯ໊ )551ϝιου 63- ύε ΞΫγϣϯ໊ )551ϝιου ͜ͷਤ ͷݟํ ը໘͋Γ ը໘ͳ͠ TDBGGPMEͰ࡞ΒΕΔը໘ͱػೳҰཡ ޙͰઆ໌͍͖ͯ͠·͢ 63- ύε

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Ͱ͸ɺͦΕͧΕͷը໘ͱ ରԠ͢ΔΞΫγϣϯΛݟ͍͖ͯ·͠ΐ͏ɻ ˞ΞΫγϣϯͱ͸ίϯτϩʔϥʹॻ͍ͯ͋Δ QVCMJDͳϝιουͷ͜ͱͰ͢ɻجຊతʹ͸ɺͭ ͷը໘Λදࣔ͢Δͱ͖ɺͭͷΞΫγϣϯ͕࣮ߦ͞ Ε͍ͯ·͢ɻ ΞΫγϣϯʹ͍ͭͯ͸·ͨޙͰઆ໌͠·͢ɻ

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JOEFY CPPLT (&5 OFX CPPLTOFX (&5 FEJU CPPLTJEFEJU (&5 TIPX (&5 CPPLTJE DSFBUF 1045 CPPLT VQEBUF CPPLTJE EFTUSPZ %&-&5& CPPLTJE ৽نొ࿥ SFEJSFDU SFEJSFDU ߋ৽ ฤू SFEJSFDU ৽نೖྗ ࡟আ $36%ը໘ભҠਤ 165 ΞΫγϣϯ໊ )551ϝιου 63- ύε ΞΫγϣϯ໊ )551ϝιου ͜ͷਤ ͷݟํ ը໘͋Γ ը໘ͳ͠ 63- ύε

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JOEFY CPPLT (&5 OFX CPPLTOFX (&5 FEJU CPPLTJEFEJU (&5 TIPX (&5 CPPLTJE DSFBUF 1045 CPPLT VQEBUF 1045 CPPLTJE EFTUSPZ %&-&5& CPPLTJE ৽نొ࿥ SFEJSFDU SFEJSFDU ߋ৽ ฤू SFEJSFDU ৽نೖྗ ࡟আ ΞΫγϣϯ໊ )551ϝιου VSM ΞΫγϣϯ໊ )551ϝιου VSM ͜ͷਤ ͷݟํ ը໘͋Γ ը໘ͳ͠ $36%ը໘ભҠਤ

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JOEFYΞΫγϣϯ CPPLT (&5 Ұཡը໘ ˞IUUQMPDBMIPTUCPPLT ͷ͜ͱͰ͢ɻ

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JOEFY CPPLT (&5 OFX CPPLTOFX (&5 FEJU CPPLTJEFEJU (&5 TIPX (&5 CPPLTJE DSFBUF 1045 CPPLT VQEBUF CPPLTJE EFTUSPZ %&-&5& CPPLTJE ৽نొ࿥ SFEJSFDU SFEJSFDU ߋ৽ ฤू SFEJSFDU ৽نೖྗ ࡟আ ΞΫγϣϯ໊ )551ϝιου VSM ΞΫγϣϯ໊ )551ϝιου VSM ͜ͷਤ ͷݟํ ը໘͋Γ ը໘ͳ͠ $36%ը໘ભҠਤ 165

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OFXΞΫγϣϯ CPPLTOFX (&5 ৽نೖྗը໘

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CPPLTJEFEJU FEJUΞΫγϣϯ (&5 ฤूը໘

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TIPXΞΫγϣϯ CPPLTJE (&5 ৄࡉը໘

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DSFBUFΞΫγϣϯ CPPLT 1045 ৽نొ࿥ ೖྗ͞ΕͨσʔλΛ৽نอଘ

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JOEFY CPPLT (&5 OFX CPPLTOFX (&5 FEJU CPPLTJEFEJU (&5 TIPX (&5 CPPLTJE DSFBUF 1045 CPPLT VQEBUF 165 CPPLTJE EFTUSPZ %&-&5& CPPLTJE ৽نొ࿥ SFEJSFDU SFEJSFDU ߋ৽ ฤू SFEJSFDU ৽نೖྗ ࡟আ ΞΫγϣϯ໊ )551ϝιου VSM ΞΫγϣϯ໊ )551ϝιου VSM ͜ͷਤ ͷݟํ ը໘͋Γ ը໘ͳ͠ $36%ը໘ભҠਤ

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VQEBUFΞΫγϣϯ CPPLTJE 165 ߋ৽ ೖྗ͞ΕͨσʔλͰߋ৽

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EFTUSPZΞΫγϣϯ CPPLTJE %&-&5& ࡟আ ࢦࣔ͞ΕͨσʔλΛ࡟আ

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͜͜·Ͱઆ໌ͨ͠෦෼͸͜ͷϑΝΠϧʹॻ͔Ε͍ͯ·͢ ECNJHSBUF@DSFBUF@CPPLTSC BQQNPEFMTCPPLSC SFTPVSDF@SPVUF SFTPVSDFTCPPLT BQQDPOUSPMMFSTCPPLT@DPOUSPMMFSSC BQQWJFXTCPPLT BQQWJFXTCPPLTJOEFYIUNMFSC BQQWJFXTCPPLTFEJUIUNMFSC BQQWJFXTCPPLTTIPXIUNMFSC BQQWJFXTCPPLTOFXIUNMFSC BQQWJFXTCPPLT@GPSNIUNMFSC VSM)551ϝιουͱ ΞΫγϣϯͷରԠද ͭͷ ΞΫγϣϯ ରԠ͢Δ ը໘දࣔ

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Ͱ͸ɺॲཧͷྲྀΕΛ௥͍͔͚ͯΈ ·͠ΐ͏ɻ

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JOEFYΞΫγϣϯ CPPLT (&5 Ұཡը໘ ొ࿥͞Ε͍ͯΔ#PPLͷσʔλΛҰཡදࣔ͢Δը໘Ͱ͢ɻ JOEFYը໘͕දࣔ͞ΕΔ·ͰͷྲྀΕΛ௥͍͔͚ͯΈ·͠ΐ͏ɻ

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3BJMT"QQ Ϩεϙϯε)5.- 3PVUFT $POUSPMMFS 7JFX 3PVUFT $POUSPMMFS 7JFXͷͭͷ෦඼Λ௨ա͠·͢ɻ ϦΫΤετ 63-IUUQMPDBMIPTUCPPLT )551ϝιουɿ(&5 SPVUFTSC CPPLT@DPOUSPMMFSSCJOEFYΞΫγϣϯ CPPLTJOEFYIUNMFSC 3BJMTΞϓϦ͕ϦΫΤετΛड͚ͯ ϨεϙϯεΛฦ͢·ͰͷྲྀΕ

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3PVUFT Լઢ෦͕ࠓճؔ܎͢Δ෦෼Ͱ͢ɻ ʮCPPLTʹ(&5ͰΞΫηε͞Εͨͱ͖ɺ #PPLT$POUSPMMFSͷJOEFYΞΫγϣϯ΁ॲཧΛྲྀ͢ʯ ͱ͍͏ҙຯʹͳΓ·͢ɻ 3PVUFT͸ϦΫΤετͱॲཧΛߦ͏ίϯτϩʔϥͷରԠදͰ͢ɻ ҎԼͷ63-Ͱ3PVUFTରԠදΛݟΔ͜ͱ͕Ͱ͖·͢ɻ IUUQMPDBMIPTUSBJMTJOGPSPVUFT

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3PVUFTରԠද͕ॻ͔ΕͨϑΝΠϧ SPVUFT͸"QQOBNF"QQMJDBUJPOSPVUFTESBXEP͔Β FOEͷؒʹॻ͖·͢ɻSBLFSPVUFTͰදࣔ͞ΕΔߦͷରԠද͸ SFTPVSDFTCPPLTͷߦ͚ͩͰهड़ՄೳͰ͢ɻ جຊతͳSPVUFTͰ͋ΔͨΊɺ୹͘ॻ͚ΔΑ͏ʹͳ͍ͬͯ·͢ɻ DPOpHSPVUFTSC "QQOBNF"QQMJDBUJPOSPVUFTESBXEP SFTPVSDFTCPPLT FOE

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$POUSPMMFS BQQDPOUSPMMFSTCPPLT@DPOUSPMMFSSC DMBTT#PPLT$POUSPMMFS"QQMJDBUJPO$POUSPMMFS EFGJOEFY !CPPLT#PPLBMM FOE ҎԼOFX FEJU DSFBUFͳͲͭͷΞΫγϣϯ͕ॻ͔Ε͍ͯΔ FOE JOEFYΞΫγϣϯ͸!CPPLT#PPLBMMͷߦͰ͢ɻ #PPLBMMͰ#PPLʹؔ͢Δશσʔλ͕٧·ͬͨ഑ྻΛऔಘͯ͠ɺ !CPPLTΠϯελϯεม਺΁୅ೖ͠·͢ɻ ࣍͸7JFXʹॲཧ͕ҠΓ·͢ɻ ಛʹࢦఆ͕ͳ͍৔߹ɺBQQWJFXίϯτϩʔϥ໊ΞΫγϣϯ໊ ͷ7JFXϑΝΠϧ΁ॲཧ͕ҠΓ·͢ɻ ͜͜Ͱ͸BQQWJFXCPPLTJOEFYIUNMFSC Πϯελϯεม਺ !͸͡·Γ ΁୅ೖ͢Δͷ͸ɺ7JFX΁දࣔͷͨΊʹ౉͍͔ͨ͠ΒͰ͢ɻ Πϯελϯεม਺Ͱ͸ͳ͍ͱɺJOEFYΞΫγϣϯΛൈ͚ͨͱ͜ΖͰফ͑ͯ͠·͍·͢ɻ

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7JFX BQQWJFXTJOEFYIUNMFSC !CPPLTFBDIEPcCPPLc US UECPPLUJUMFUE UECPPLNFNPUE UEMJOL@UP4IPX CPPLUE UEMJOL@UP&EJU FEJU@CPPL@QBUI CPPL UE UEMJOL@UP%FTUSPZ CPPL NFUIPEEFMFUF EBUB\DPOpSN"SFZPVTVSF ^UE US FOE දࣔ͸!CPPLTFBDIEPcCPPLcʙFOEͰߦ͍ͬͯ·͢ɻ !CPPLT಺ͷશσʔλ υϥ͑΋Μ ܅ʹಧ͚ ͰϒϩοΫΛ܁Γฦ࣮͠ ߦ͠ɺUJUMF΍NFNPΛදࣔͨ͠ΓɺTIPXը໘΍FEJUը໘ɺ࡟আϘλϯͷ ϦϯΫΛੜ੒͠·͢ɻ ‏!CPPLT͸CPPL͕͍͔ͭ͘ ೖͬͨ഑ྻ ॳճͷCPPLUJUMFˠυϥ͑΋Μ ॳճͷCPPLNFNPˠ ωίܕϩϘοτͱͷ๯ݥ࿘ອᩀ

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JOEFYΞΫγϣϯ CPPLT (&5 Ұཡը໘ Ҏ্ͷॲཧΛܦͯҰཡը໘͕දࣔ͞Ε͍ͯ·͢ɻ

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ࢀߟࢿྉ

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BCD ࣮ߦ݁Ռ QVUTBCD ॻࣜ 3VCZίʔυ ࣮ߦ݁Ռ TIFMMίϚϯυ MT Q จதͰ͸Ͱॻ͖·͢

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ࣗश༻3BJMTࢿྉ ಛʹڭՊॻ͸࢖͍·ͤΜ͕ɺࣗश༻ʹ͸ҎԼͷࢿྉΛ͓קΊ͠·͢ɻ 3BJMT5VUPSJBM XFC IUUQSBJMTUVUPSJBMKQ WFSTJPO υοτΠϯετʔϧ XFC ಈը IUUQEPUJOTUBMMDPNMFTTPOTCBTJD@SBJMT@W 3BJMT(VJEF XFC &OHMJTI IUUQHVJEFTSVCZPOSBJMTPSH 3BJMTʹΑΔΞδϟΠϧ8FCΞϓϦέʔγϣϯ։ൃୈ൛ IUUQXXXBNB[PODPKQEQ վగ৽൛جૅ3VCZPO3BJMT IUUQXXXBNB[PODPKQEQ ͨͷ͍͠3VCZ IUUQXXXBNB[PODPKQEQ

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ߨٛࢿྉஔ͖৔ աڈͷࢿྉ͕%-Ͱ͖·͢ɻ IUUQTHJUIVCDPNJHBJHBIJUPUTVCBTIJSVCZ

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ࡶஊɾ࣭໰༻GBDFCPPLάϧʔϓ IUUQTXXXGBDFCPPLDPNHSPVQTIJUPUTVCBTIJSC ɾՃೖඇՃೖ͸ࣗ༝Ͱ͢ ɾՃೖඇՃೖ͸੒੷ʹؔ܎͠·ͤΜ ɾࢀՃऀҰཡ͸ެ։͞Ε·͢ ɾࢀՃऀ͸ελοϑ ߨࢣɾ5" ͱࡢ೥ɺࠓ೥ͷडߨऀͰ͢ ɾॻ͖ࠐΈ͸ࢀՃऀͷΈݟ͑·͢ ɾر๬ऀ͸ΞΫηεͯ͠ࢀՃਃ੥͍ͯͩ͘͠͞ ɾࡶஊɺ࣭໰ɺٞ࿦ͳͲԿͰ΋ؾʹͤͣͲ͏ͧʙ ɾ࣭໰ʹ౴͑ΒΕΔਓ͸౴͍͑ͯ͋͛ͯͩ͘͞ ɾߨࢣਞ΋͓౴͑͠·͢ ɾೖͬͨΒܰࣗ͘ݾ঺հ͓Ͷ͕͍͠·͢