For Whom the Quality Exists

by Koichi ITO

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For Whom the Quality Exists ίʔυϨϏϡʔ͙͠͞ ,PJDIJ*50FTN 5IV $PEF3FWJFX.FFUVQ 0QFO/FUXPSL4QBDFJO%BJLBOZBNB

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඼࣭ͱ͸୭͔ʹͱͬͯ ͷՁ஋Ͱ͋Δ ʵ(FSBME.BSWJO8FJOCFSH

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!LPJD w ג Ӭ࿨γεςϜϚωδϝϯτ  ίϛϡχςΟϚωʔδϟ w 3VCP$PQίϛολʔ w "30SBDMFFOIBODFE BEBQUFSίϛολʔ w $VDVNCFSίϛολʔ

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"3VCZDPEF def badName if something test end end

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ࠓ೔ͷ࿩

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$PEF 3FWJFX

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$PEF 3FWJFX

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2VBMJUZ 1FPQMF

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࣭ʹର͢Δωλຊ wιϑτ΢ΣΞ޻ֶ͔Βͷώ ϯτ

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ਓʹର͢Δωλຊ wϏδωείϛϡχέʔγϣ ϯ͔Βͷώϯτ

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For Whom the Quality Exists ίʔυϨϏϡʔ͙͠͞ ,PJDIJ*50FTN 5IV $PEF3FWJFX.FFUVQ 0QFO/FUXPSL4QBDFJO%BJLBOZBNB

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ଟ༷ͳϝϯόʔ͕ࢀը͢Δ ϓϩδΣΫτʹ͓͍ͯ ೗Կʹίʔυͷ࣭Λ্͛ͯ ͔͘ʁ

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ࣗ෼͸ԿΛϓϩδΣΫτʹߩݙ ͢Δͭ΋ΓͰɺϝϯόʔ͸ϓϩ δΣΫτʹԿΛߩݙͯ͠΋Β͍ ͍͔ͨΛڞ༗͢Δ࣮ફज़ υϥοΧʔ෩ΤΫααΠζ ʰΞδϟΠϧαϜϥΠʱ +POBUIBO3BTNVTTPOஶ

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wख़࿅ऀ͔ΒϫφϏʔ·Ͱ͍ ΔϓϩδΣΫτΛྫͱ͢Δ wϨϏϡΞʔͱͯ͠ϨϏϡΠʔ ͷؔ܎ͱͯ͠ίʔυʹର͢ Δظ଴Λ͓࣋ͬͯ͘ 13΁ͷظ଴஋ͷ͢Γ߹Θͤ

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ਅ࣮ɿϓϩάϥϚݸਓΛ෼ੳ ͨ͠ݚڀʹΑΔͱɺ࠷΋༏लͳ ϓϩάϥϚ͸࠷ѱʹൺ΂ɺഒ ༏Ε͍ͯΔɻ ιϑτ΢ΣΞΤϯδχΞϦϯά ʰιϑτ΢ΣΞ։ൃͷਅ࣮ͱͷ΢ιʱ ϩόʔτɾ-ɾάϥε

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w܁Γฦ͠ίʔυΛߟ͖͑ͯͨϕ ςϥϯͱ࠷ۙϓϩάϥϛϯάΛ ֮͑ͨϫφϏʔͷίʔυ͸ҧ͏ w͋ΔݚڀʹΑΔͱϓϩάϥϚͷ ྗྔࠩ͸ഒ͋Δͱ͍͏ ϓϩάϥϛϯάೳྗͷࠩ

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ΧςΰϥΠζྫ ϫφϏʔ ٕज़తͳ ࣮ݱೳྗ υϝΠϯ஌ࣝ ˢ ˠ ίΞ։ൃऀ υϝΠϯΤΩεύʔτ ৽نࢀըͷ ։ൃऀ υϝΠϯ ΤΩεύʔτ

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ϓϩάϥϛϯάͱ͍͏ ٕܳ

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ͲΕ͕͓޷ΈͰ͔͢ʁ bmi = weight / (height ** 2) bmi=w/(h**2) bmi=weight/(height**2) " # $

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ಡΈͮΒ͍ίʔυͰ΋ ίϯϐϡʔλΛಈ͔ͤ Δ͕ɺͩΕ͔ʹͱͬͯ ಡΈ΍͍͢ίʔυʹ͢ Δʹ͸ηϯεΛཁ͢Δ

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wϩδοΫͷଥ౰ੑɺ໊෇͚ͷଥ౰ੑɺ ιϑτ΢ΣΞςετख๏ͳͲਓͷྖҬ wελΠϧͷϨΠΞ΢τͳͲͷϓϩδΣ Ϋτݻ༗จԽ w/ݕग़ɺػցతʹݕग़ՄೳͳηΩϡ ϦςΟରࡦɺͳͲࣗಈԽͷྖҬ ϨϏϡʔൣғྫ

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wਓͰͳ͍ͱϨϏϡʔͰ͖ͳ ͍ϙΠϯτʹͰ͖Δ͚ͩয ఺Λ͍͋ͯͨ wਓ͔ΒਓʹٕܳΛ఻͑Δ ຊ࣭తͳϨϏϡʔ

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wίʔυϨϏϡʔʹΑΔ੒௕ ػձ͸େ͖͍ w΋ͬͱ΋ίʔυϨϏϡʔྗ ͕ߴ͍಺༰͕νʔϜͰ࠷ߴ ͷ࣭ΛੜΈग़ͤΔ ։ൃϓϩηεਓ

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4/ൺ 4Λ૿΍͠ /ΛݮΒ͢

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w13Λ։͘લʹࣗ෼ʹग़དྷΔ࠷ߴͷ13 Ͱ͋Δ͜ͱΛηϧϑϨϏϡʔ͢Δ wgit log -pͰݟฦ͢ɺ3VCP$PQ ͳͲͷ-JOUFSΛ࣮ߦ͢ΔɺͳͲ wࣗ෼ͷͰ͖ΔҎ্ͷ͜ͱ͸Ͱ͖ͳ͍ ͷͰɺͦ͜ΛϨϏϡΞʔʹ೚ͤΔ 4/ൺͷ/ΛݮΒ͢ॳख

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w-JOUFS͕ߦ͏ͷ͸ݴޠ࢓༷΍ϓ ϩδΣΫτϧʔϧʹରͯ͠ग़དྷ ͍ͯͳ͍Ұఆظ଴ج४Ϩϕϧ· Ͱͷఈ্͛͢Δ wͰ͖ΔਓΛΑΓͰ͖ΔΑ͏ʹ͢ Δ΋ͷͰ͸ͳ͍ -JOUFSΛ࢖ͬͨࣗಈԽ

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w৽͘͠ϓϩδΣΫτʹೖͬͨϝ ϯόʔ΁ͷελΠϧͷػցతͳ ఻ୡΛߦ͑Δ wਓϨϏϡʔͨ͠Βਓಉ ͡ࢦఠ͕Ͱ͖Δ಺༰͸-JOUFS޲ ͖ -JOUFSͷྑ͍ͱ͜Ζ

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wࣗ෼ͷॻ͍ͨίʔυʹ͸ࣗ ਎͕౤Ө͞Ε͕ͪ wϨϏϡΞʔରϨϏϡΠʔ :PVWTNF ͔Βࢦఠࣄ߲ ରϨϏϡΠʔͷߏਤʹม͑Δ 1SPCMFNWT6T

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-JOUπʔϧ Ξϯνύλʔϯ

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wܯࠂΛड͚ೖΕ͍ͯΔঢ়ଶ wσϑΥϧτͰͷద༻͕ϓϩ δΣΫτʹ߹͏͔ݕ౼͢Δ wͦΕ-JOUFSͷόά͔΋ʁ कഁ཭

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wͳͥͦͷελΠϧ͕޷·͍͠ ͷ͔͕ϝοηʔδ͚ͩͰ൑ அ͕೉͍͜͠ͱ͕͋Δ w໡໨తʹ-JOUFSΛ࢖͏ͷͰ ͸ͳ͘ελΠϧͷഎܠΛ஌Δ -JOUFSʹݶΒͣίϛϡχέʔγϣϯΛཔΕ

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wϋογϡͷΧοί಺ʹۭനΛೖ Εͳ͍೿  {foo: 1, bar: 2} wϋογϡͷΧοί಺ʹۭനΛೖ ΕΔ೿  { foo: 1, bar: 2 } എ൓͢ΔίʔσΟϯάελΠϧ

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wΧοίʹۭനΛೖΕͳ͍೿ͷࢥ ૝ wϒϩοΫͱ͍ͬͨແ໊ؔ਺ͱͷ ରൺΛͯ͠ϋογϡͷΑ͏ͳී วతͳΦϒδΣΫτʹΧοί಺ ͷۭന͸ෆཁ ࢥ૝Λ஌Δ

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w໊લͷू·ΓͰ͋Δίʔυ ͦͷ΋ͷʹҙຯ͕͋ΔΑ͏ ʹɺϨΠΞ΢τ΍ۭߦʹ΋ ҙຯΛ࣋ͨͤΔ ίʔυͷҰߦɺ݂ͷҰణ

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wೣ೿ɺݘ೿ w͖ͷ͜೿ɺ͚ͨͷ͜೿ wจࣈྻμϒϧΫΥʔτ೿ɺ γϯάϧΫΥʔτ೿ ͦΕͧΕͷ޷Έʹݴ͍෼͕͋Δ

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IUUQEIBUFOBOFKQLFZXPSE""%"$&"#"#'"#"$&"#$&'$&

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wܯࠂΛड͚ೖΕ͍ͯΔঢ়ଶ wσϑΥϧτͰͷద༻͕ϓϩ δΣΫτʹ߹͏͔ݕ౼͢Δ wͦΕ-JOUFSͷόά͔΋ʁ ߟ͑Λ࣋ͬͯक͔Βഁ΁

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For Whom the Quality Exists

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wࣗಈԽ͞ΕͨϨΠΞ΢τɺ -JOUJOH3VCP$PQ &4-JOU FUD w/ 944ରࡦͳͲඇػೳཁ݅ #SBLFNBO #VMMFU FUD w։ൃऀͷϨϕϧʹ͋·Γґଘ͠ͳ͍ ࣗಈԽ͕ൺֱత༰қ

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wςʔϒϧઃܭɺΫϥεઃܭɺ໊෇͚ͷ ଥ౰ੑɺϩδοΫͷଥ౰ੑɺͳͲਓͷ ྖҬʹ͓͚Δ΄΅͢΂ͯ wϨϏϡʔΛࣗಈԽͰ͖ͳ͍ίʔυ͕ຊ དྷϨϏϡʔ͍ͨ͠ର৅ wˢ։ൃऀͷٕܳʹґଘ͢Δ࿹ͷݟͤॴ -JOUFSͷۤखͳͱ͜Ζ

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wϨϏϡʔʹ͸࣌ؒΛ࢖͏ w܁Γฦ͠දग़͢Δࣄ৅ʹର ͯ͠ίϯϐϡʔλ͸ಘҙ wະ஌ͷࣄ৅ʹ͍ͭͯ·ͩί ϯϐϡʔλʹ͸ݶք͕͋Δ ਓͱίϯϐϡʔλͷϨϏϡʔ

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ϨϏϡʔ5JQT

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wϨϏϡʔ͸ॳظʹ͚ۙΕ͹͍ۙ΄Ͳ ࢦఠࣄ߲͕ग़қ͍ wBQQSPWFͷ਺͕ҰఆҎ্ʹͳͬͯ ΋ͦΕ΄Ͳ඼࣭͸্͕Βͳ͍ wܦݧ্֓ͶͭBQQSPWF͋Ε͹ྑ͍ w΋ͪΖΜνʔϜͷ଎ͱ࣭ʹΑΔ Կਓ·ͰΫϩεϨϏϡʔʁ

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wؒҧ͍ͬͯΔ͜ͱΛؒҧ͍ͬͯΔͱݴΘΕΔ ͷ΋πϥ͍ wࣗ෼ͷࢦఠ͕ؒҧͬͯΔ͜ͱ͕͋Δ wʮ˓˓Ͱ͠ΐ͏͔ʁʯ͸ৗ౟۟Ͱ࢖ͬͨΓ͢ Δ w͔ͳΓͷ֬৴͕͋ͬͯ΋࢖ͬͨΓ͢Δ wಛʹҭ੒޲͖ͷख๏ ֬৴Λࣔ͢ΑΓ໰͍͔͚Α

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౪ਓʹ΋ޒ෼ͷཧΛೝΊΔ ॏཁײΛ࣋ͨͤΔ ਓͷཱ৔ʹ਎Λஔ͘ ਓΛಈ͔̏͢ݪଇ ʰਓΛಈ͔͢ʱ %ɾΧʔωΪʔ

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wҰՈݴ͋ΔϨϏϡΞʔ͕͍Δػೳ ͕͋Δ w13Ͱ3FWJFX3FRVFTUΛ͋Β ͔͡Ίૹ͓ͬͯ͘ w͋ͱͰ͜Ε·ͰͷϨϏϡʔ͕Ҿͬ ܁ΓฦΔ͜ͱΛ༧๷͢Δ ൪௕΁ͷϨϏϡʔґཔ

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w৭΋৘ใͰ͋Δ wϨϏϡΞʔʹରͯ͠Χϥϑϧͳ৘ใʹͯ͠ ෛՙΛݮΒ͓͢΋ͯͳ͠ wόοΫΫΥʔτͭͷޙΖʹݴޠΛࢦఆ͠ ͯғΉ͜ͱͰϋΠϥΠτ͢Δ  ```ruby  puts 'hello, world'  ``` ಡΈखͷෛՙΛݮΒ͓͢΋ͯͳ͠

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w෇Ճ৘ใͱͯ͠۩ମతͳίʔυߦͷ63- ΛϦϯΫ෇͚Δͱ༗ޮͳ͜ͱ͕͋Δ w͋Δ೔(JU)VCͷίʔυϦϯΫͷ಺༰Λ ݟͨΒҧ͏ՕॴΛ͍ࣔͯ͠Δ wNBTUFSϒϥϯν͸ࠁʑͱมԽ͍ͯ͘͠ w(JU)VCͷίϛοτ্ͰlZzΛԡ͢ ύʔϚϦϯΫΛҾ༻͢Δ

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͋ΘͤͯಡΈ͍ͨ

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wॻ͘ਓΑΓಡΉਓͷํ͕ଟ͍ w௕͘੒௕ͯ͠ߦ͘αʔϏε΄Ͳ ίʔυ͸ಡΈܧ͕Ε͍ͯ͘ wݱࡏͷಡऀͱະདྷͷಡऀʹͪΐͬ ͱͨ͠ؾ഑ΓΛ͓ͯ͘͠ 5IFXBZUPUIFUJNFMFTTXBZPG

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For Whom the Quality Exists

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࣭ͷཐટ

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ίʔυ Ϗδωε ϨϏϡʔ

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ίʔυ Ϗδωε ϨϏϡʔ

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Ϗδωε ίʔυ ϨϏϡʔ

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ϨϏϡʔ Ϗδωε ίʔυ

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ίʔυ Ϗδωε ϨϏϡʔ lશମz

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ίʔυ Ϗδωε ϨϏϡʔ lશମz γεςϜ૊ΈࠐΈ΁ͷ ࣭޲্ͱ։ൃऀͷ੒௕

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wϏδωεϑΟʔυόοΫ΁ͷૉૣ࣮֬͘ͳ ରԠ͸ෳࡶͰͳ͍ίʔυ͕Մೳͱ͢Δ w௕णΞϓϦέʔγϣϯΛϦϓϨʔε͢Δͷ ͸ԟʑʹ༧ࢉͱ࣌ؒΛ൐͏ wίʔυϨϏϡʔͱ͍͏ఆظతͳ݈߁਍அ w༏लͳ։ൃऀ͸݈શͳίʔυ͕॓Δγες Ϝ։ൃʹ޲͔͏ ͳͥͦΜͳʹ΋಺ͳΔ࣭͸ॏཁ͔ʁ