Haconiwaが越えたあの夏 / haconiwa-for-3-years

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ࣛࣇౡ ։࠵͓ΊͰͱ͏͍͟͝·͢ʂ

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Engineer @ GMO Pepabo, Inc. Uchio Kondo / @udzura https://blog.udzura.jp/ * ࡾՏਓɺ෱Ԭࡏॅ * νϣοτσΩϧ: Rubyɺίϯςφɺγεϓϩ * झຯ: DuolingoʢೠҴয, ݱე, español...ʣ * εϓϥτΡʔϯҾୀ͠·ͨ͠

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Yίϯςφ

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"CSJFGIJTUPSZPG )BDPOJXB

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5FO'PSXBSE͞Μ wίϯςφΛߏ੒͢Δ  ٕज़ʹ͍ͭͯ஌Δ

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wγϯάϧεϨου wγεϓϩͱͷ૬ੑ

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w'JSTU13

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w࠷ॳͷهࣄ  CZNBUTVNPUPSZ

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'BTU$POUBJOFS wϦΫΤετ୯Ґ౳ͰίϯςφىಈɺҰఆظؒͰఀࢭFH 'BTU $(* w࠶ੜ੒Λ܁Γฦ͠ঢ়ଶΛ࣋ͨͤͳ͍

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*NQMFNFOUUJNFSIPPLT w'BTU$POʹ  ඞཁͳػೳΛ  ἧ͑࢝ΊΔ

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'BTU$POUBJOFSͰ αʔϏεΛ

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3PBEUPQSPEVDUJPO

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d wϓϩηεϨΠΞ΢τ  ઓུͷมߋ  ʢͷ͖͔͚ͬʣ

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1SPDFTTMBZPVUDIBOHF haconiwa `-- container haconiwa `-- haconiwa `-- container #FGPSF "GUFS

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1SPDFTTMBZPVUDIBOHF haconiwa `-- haconiwa `-- container ϑοΫॲཧΛ࢘Δ ೚ҙͷίϯςφ  ʢ)BDPOJXBͰத਎ʹؔ༩Ͱ͖ͳ͍ʣ શͯͷΤϥʔΛΩϟον͢Δ͜ͱʹूத

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MJCVWUISFBE wґଘͱ  ϥΠϒϥϦαΠζͷ  ࡟ݮ

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4&(7 wNSVCZUISFBEͷΞʔΩςΫνϟͱίϯΧϨϯγʔɺ($ͷབྷΈ߹͍

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w'JCFSͰϫʔΧͱ  γάφϧΛ؅ཧʂ wίϯΧϨϯγʔͷ  ໰୊͕ͳ͘ͳΓ҆ఆ

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/FYU5BTL

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DIFDLQPJOUSFTUPSF $3*6 'PSGBTUFSCPPUTUSBQ

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ىಈߴ଎Խ wʮҰ͔ΒʯͰ͸ͳ͘ wϝϞϦμϯϓΛ  ࣄલʹͱͬͯ  ͔ͦ͜Βىಈ͍ͨ͠ wDGCPPUTOBQ

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1SPEVDUJPO 'FBUVSFCSBODIͷฒߦ

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$3*63FBEZ -JOVYͷσʔϞϯͱͯ͠ͷਖ਼͠͞ wFHFYFDWFޙͷGEͷΫϩʔζॲཧ 0@$-0&9&$ ɺ  ηογϣϯϦʔμʔԽɺϩάͷ0@3%830@830/-:Խɺ

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FH0@$-0&9&$ରԠ fd -> 0, 1, 2, 3, 4, 5... fd -> 0, 1, 2, 3, 4, 5... fd -> 0, 1, 2, 3, 4, 5... GPSL FYFDWF ෆཁͳGE͕࢒Δ fd -> 0, 1, 2, 3, 4, 5... fd -> 0, 1, 2, 3, 4, 5... fd -> 0, 1, 2, 3, 4, 5... GPSL FYFDWF ͷΈ fcntl(fd, F_SETFD,  flg | FD_CLOEXEC)

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wҰ௨Γ࣮૷  ౷߹׬ྃʂ

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#VU TUJMMJOFYQFSJFODF  8PSLTJOTUBHJOH

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(SFOBEJOF!3VCZ,BJHJ

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'VUVSFPG)BDPOJXB

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࣍ੈ୅ίϯςφٕज़ͷ ࣮ݧ৔

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64%5F#1' w-JOVYͷτϨʔεٕज़ w3VCZ͔Β࢖͍͍ͨ  ʢ3C#$$!  ɹ3VCZ(SBOUʣ wΧελϜϓϩʔϒΛ  )BDPOJXBʹຒΊ͍ͨ

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$HSPVQW14* w࣍ੈ୅  ෛՙࢦඪ wίϯςφ୯Ґ  Ϧιʔεผʹ  Θ͔Δ

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':*NPCZPO$(SPVQW

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8IBU*MFBSOFE

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$PNCJOBUJPOJT UIFTFFEPG*OOPWBUJPO

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ΞΠσΞ͸૊Έ߹Θͤ w૊Έ߹ΘͤΔʹӽڥ͢Δ w3VCZΛߴΊɺ΋͏ҰͭͷࢁΛߴΊΔ w3VCZͷྗͰӽڥ͢Δ IUUQTTDSBQCPYJPOJTIJPΤϯδχΞͷͨΊͷࣗ෼ܦӦઓུ