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೔ຊ3VCZͷձͷ ߏ଄ͱ࣮ߦͱ͋ͱԿ͔ ๺཮3VCZձٞ Ұൠࣾஂ๏ਓ೔ຊ3VCZͷձɾגࣜձࣾୡਓग़൛ձ ߴڮ੐ٛ Structure and Interpretation of Nihon Ruby no Kai: And Something Nice

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λΠτϧʹ͍ͭͯ

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λΠτϧʹ͍ͭͯ ‣ "Structure and Interpretation of Computer Programs" (Abelson and Sussmans)ɺ௨শSICP ‣ ೔ຊޠ༁ͷچ൛ͷλΠτϧʰϓϩάϥϜͷ ߏ଄ͱ࣮ߦʱ͔Βͱͬͨ ‣ ݸਓతʹ࠷ॳʹಡΜͩͷ͸ͪ͜ΒͳͷͰ ࢥ͍ೖΕ͕͋Δ ‣ ৽൛͸ʰܭࢉػϓϩάϥϜͷߏ଄ͱղऍɹ ୈ2൛ʱʢ࿨ాӳҰ༁ʣ https://www.shoeisha.co.jp/book/detail/9784798135984

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4*$1 ‣ ϓϩάϥϛϯάΛཧղ͢ΔͨΊʹ ϓϩάϥϛϯάݴޠΛ࡞Δຊ ‣ SchemeͰSchemeͷॲཧܥΛ ࡞ͬͨΓ͍ͬͨ͡Γ͢Δ ‣ ߹ΘͤͯϨδελܭࢉػʢγϛϡ ϨʔλʣΈ͍ͨͳͷ΋࡞Δ ਅು https://sicp.iijlab.net/

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4*$1 ‣ ʮ͋ΒΏΔιϑτ΢ΣΞ͸Ұछͷݴ ޠॲཧܥͰ͋Δʯɺͱ͍͏ݴޠաܹ ೿తͳओுʹجͮ͘ ‣ RubyίϛϡχςΟͷΑ͏ͳϓϩά ϥϛϯάݴޠ޷͖ͷू·ΓʹདྷΔਓ ͳΒͥͻҰ౓͸ಡΉͷΛ͓͢͢Ί ‣ ݱࡏ͸ωοτʹ΋ແྉͷ຋༁͕͋Δ ‣ ਅು༁͕ྑ͍͔΋ https:// github.com/hiroshi-manabe/ sicp-pdf/blob/japanese/jsicp.pdf ਅು https://sicp.iijlab.net/

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ࣗݾ঺հ

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ࣗݾ঺հ ‣ ߴڮ੐ٛ ‣ Ұൠࣾஂ๏ਓ೔ຊ3VCZͷձ୅දཧࣄ ‣ 3VCZ,BJHJ0SHBOJ[FST ‣ גࣜձࣾୡਓग़൛ձ ‣ ٕज़ॻయӡӦϝϯόʔ ‣ ʰܶ৔൛૯ूฤΨʔϧζόϯυΫϥΠʲޙฤʳ ͳ͊ɺະདྷɻʱͷୈि໨དྷ৔ऀಛయɾखౡOBSJ ඳ͖ԼΖ͠ອըΛࡢ೔ۚ୔ϑΥʔϥεͰೖखͯ͠ ͖·ͨ͠

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ຊ೔ͷ͓୊

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ຊ೔ͷ͓୊ ‣ ೔ຊ3VCZͷձʹ͍ͭͯ ‣ ͋ͱԿ͔

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͍͍͍ͨͩͯͨςʔϚ ‣ ೔ຊ3VCZͷձͱɺͦͷࢧԉ׆ಈɺ஍Ҭ3VCZձٞʹ͍ͭͯ ‣ ߴڮ͞Μࣗ͝਎ͷ3VCZͷ࢖͍ํ΍ɺ͜Ε·Ͱͷ׆༻ํ๏ͷมભ ‣ 3VCZΛ͓͢͢Ί͍ͨ͠׆༻γʔϯ΍ɺ׆͔ͤΔਓɾ෼໺ʹ͍ͭͯ

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ຊ೔ͷྲྀΕ ࠷ۙ3VCZͰॻ͍ͨʢॻ͍͍ͯΔʣ΋ͷ 3VCZΛ͓͢͢Ί͍ͨ͠γʔϯɾਓɾ෼໺ ೔ຊ3VCZͷձͱͦͷ׆ಈ

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஍Ҭ3VCZձٞ

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๺཮3VCZձٞͰ ͪΐ͏Ͳճʂ 🎉🎉🎉🎉🎉

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౦ژRubyձ ٞ01 ࡳຈRubyձ ٞ01 ؔ੢Rubyձ ٞ01 ۝भRubyձ ٞ01 ઋ୆Rubyձ ٞ01 দߐRubyձ ٞ01 ͱͪ͗Ruby ձٞ01 ޿ౡRubyձ ٞ01 ໊ݹ԰Ruby ձٞ01 ͱͪ͗Ruby ձٞ02 ؔ੢Rubyձ ٞ02 TokyuRubyձ ٞ01 ࡳຈRubyձ ٞ02 দߐRubyձ ٞ02 ౦ژRubyձ ٞ03 ઋ୆Rubyձ ٞ02 TokyuRubyձ ٞ02 ؔ੢Rubyձ ٞ03 ࡳຈRubyձ ٞ03 ౦ژRubyձ ٞ05 ͱͪ͗Ruby ձٞ03 ໊ݹ԰Ruby ձٞ02 େߐށRuby ձٞ01 TokyuRubyձ ٞ03 দߐRubyձ ٞ03 TokyuRubyձ ٞ04 ؔ੢Rubyձ ٞ04 ͱͪ͗Ruby ձٞ04 େߐށRuby ձٞ02 ΈͳͱRuby ձٞ01 ԬࢁRubyձ ٞ01 TokyuRubyձ ٞ05 দߐRubyձ ٞ04 ࡳຈRubyձ ٞ2012 ෱ԬRubyձ ٞ01 ౦ژRubyձ ٞ10 ͙Μ·Ruby ձٞ01 େߐށRuby ձٞ03 ۝भRubyձ ٞ02 TokyuRubyձ ٞ06 ԬࢁRubyձ ٞ02 ؔ੢Rubyձ ٞ05 ͱͪ͗Ruby ձٞ05 ࡳຈࢢதԝ۠ Rubyձٞ01 ԭೄRubyձ ٞ01 দߐRubyձ ٞ05 TokyuRubyձ ٞ07 େߐށRuby ձٞ04 ौ୩Rubyձ ٞ01 TokyuRubyձ ٞ08 দߐRubyձ ٞ06 ਆಸ઒Ruby ձٞ01 ඿দRubyձ ٞ01 ͱͪ͗Ruby ձٞ06 ؔ੢Rubyձ ٞ06 TokyuRubyձ ٞ09 দߐRubyձ ٞ07 େߐށRuby ձٞ05 ౦ژRubyձ ٞ11 TokyuRubyձ ٞ10 ઒࡚Rubyձ ٞ01 দߐRubyձ ٞ08 ໊ݹ԰Ruby ձٞ03 େߐށRuby ձٞ06 ؔ੢Rubyձ ٞ2017 TokyuRubyձ ٞ11 ͗Μ͟Ruby ձٞ01 ͱͪ͗Ruby ձٞ07 ෱ԬRubyձ ٞ02 ԭೄRubyձ ٞ02 দߐRubyձ ٞ09 େࡕRubyձ ٞ01 TokyuRubyձ ٞ12 େߐށRuby ձٞ07 ໊ݹ԰Ruby ձٞ04 TokyuRubyձ ٞ13 ͱͪ͗Ruby ձٞ08 TamaRubyձ ٞ01 େࡕRubyձ ٞ02 ෋ࢁRubyձ ٞ01 ࣛࣇౡRuby ձٞ01 ฏ੒Rubyձ ٞ01 େߐށRuby ձٞ08 ͱͪ͗Ruby ձٞ09 େߐށRuby ձٞ09 ෱ԬRubyist ձٞ03 ࣛࣇౡRuby ձٞ02 TokyuRubyձ ٞ14 େࡕRubyձ ٞ03 দߐRubyձ ٞ10 େߐށRuby ձٞ10 େࡕRubyձ ٞ04 ෱ԬRubyist ձٞ04 TokyuRubyձ ٞ15 দߐRubyձ ٞ11 ౦ژRubyձ ٞ12 ؔ੢Rubyձ ٞ08 ͳ͕ΒRuby ձٞ01 TokyuRubyձ ٞ16 ๺཮Rubyձ ٞ01 https://regional.rubykaigi.org/

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஍Ҭ3VCZձٞ։࠵݅਺ʢ೥ผʣ ʢ݅ʣ 0 2 4 6 8 10 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2023 2024 2025 ʢ೥ʣ

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࠷ۙ3VCZͰ ॻ͍͍ͯΔ΋ͷ

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࠷ۙॻ͍͍ͯΔ΋ͷ ‣ 3F7*&8"453FOEFSFS ‣ #SPBEMJTUFOJOHHFN

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3F7*&8 "453FOEFSFS

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3F7*&8 ‣ ૊൛ΞϓϦέʔγϣϯ ‣ .BSLEPXOతͳಠࣗͷ؆қه๏ ʢ3F7*&8ه๏ʣͰॻ͔ΕͨςΩετΛ ଞͷϑΥʔϚοτʹม׵͢Δ ‣ 1%' -B5F9ܦ༝ ɺ&16#ɺ *O%FTJHO *%(9.-  ‣ ੨໦ๆ࿠͞Μ͕࠷ॳͷ࡞ऀ ‣ LNVUP͞Μ͕ϝϯςφʔ ‣ UBLBIBTIJN͸ίϛολʔ

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3F7*&8ͷ՝୊ ‣ ίʔυ͕͍ͩͿෳࡶԽ͖͍ͯͯ͠Δ ‣ ʢ͢Έ·ͤΜʜʣ ‣ ͦͷ͍ͤͰ֦ு͕͔ͳΓͭΒ͘ͳ͍ͬͯΔ

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3F7*&8ͷ͘͠Έ $PNQJMFS )5.-#VJMEFS -"5&9#VJMEFS *.html *.tex *.re &16#.BLFS 1%'.BLFS EPUB PDF ಺෦ͰLaTeXΛݺͼग़͢ ߏจղੳ ग़ྗੜ੒

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3F7*&8ͷ՝୊ ‣ ߦࢦ޲ʴஞ࣍ॲཧʹͳͬͯΔ ‣ ೖྗΛߦͣͭಡΜͰॲཧ͢Δɺͷ܁Γฦ͠ ‣ ஞ࣍ʹॲཧͰ͖ͳ͍΋ͷ͸ঢ়ଶ؅ཧͰͳΜͱ͔ ͢Δ ‣ 1BSTFS͕$PNQJMFSͱ#VJMEFSʹ·͕ͨͬͯΔ ‣ #VJMEFSݻ༗ͷग़ྗͷͨΊ#VJMEFSଆͰঢ়ଶΛ ࣋ͬͨΓͯ͠Δ ‣ ͭ·Γ#VJEMFS͝ͱʹҟͳΔॲཧΛߦ͏ ‣ #VJMEFS͕$PNQJMFSΛݺͼग़͢͜ͱ΋͋Δ $PNQJMFS )5.-#VJMEFS ঢ়ଶ ঢ়ଶ

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3F7*&8"453FOEFSFS ‣ "45ʢந৅ߏจ໦ʣΛಋೖ͢Δ ‣ "45$PNQJMFS͸ SF͔Β"45Λग़ྗ͢Δ ‣ "45$PNQJMFSʹ1PTU1SPDFTTPSΛಋೖ͠ɺ#VJMEFSͰߦ͍ͬͯͨॲཧͷҰ෦͸"45 ʹ൓өͤ͞Δ "45$PNQJMFS "45 *.re 1PTU1SPDFTTPST ……

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3F7*&8"453FOEFSFS ‣ ֤ग़ྗϑΥʔϚοτͷରԠ͸3FOEFSFSͰߦ͏ ‣ 3FOEFSFS͸"45ΛมߋͤͣɺಡΈऔΔ͚ͩʢ"45͸Ұछͷதؒදݱʣ ‣ "45$PNQJMFSͱ3FOEFSFS͸"45Λ౉͚ͩ͢Ͱ૒ํ͸ಠཱ )UNM3FOEFSFS "45 *.html ……

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3F7*&8"453FOEFSFS ‣ ʮʜͦΕͬͯී௨ͷྲྀΕͰ͸ʁʯ ‣ ͦͷ௨ΓͰɺ͘͢͝ී௨ʢਅͬ౰ʣʹͳͬͨ "45$PNQJMFS "45 )UNM3FOEFSFS *.html *.re

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3F7*&8"453FOEFSFS ‣ ޓ׵ੑΛ͔ͳΓҡ࣋ ‣ ٕज़قใ7PMͷ1%'Ͱ͸ࠩ෼͕ ϐΫηϧ୯ҐͰಉҰ ‣ ʢҰ෦Ϛʔδϯ͕ͣΕΔͱ͜Ζ͕ ͋Δέʔε͕͋Γͦ͏ʣ ‣ ཁ͸࣮૷͕มΘ͚ͬͨͩͰ΍ͬͯΔ ͜ͱ͸΄΅ಉ͡ ‣ ڭՊॻ௨ΓͷʮϦϑΝΫλϦϯάʯ

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ϦϑΝΫλϦϯάͷϝϦοτ ‣ طଘػೳͷσόοά͕΍Γ΍͘͢ͳΔʢ͸ͣʣ ‣ ৽نػೳͷ௥Ճ͕༰қʹͳΔ

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௥Ճػೳ.BSLEPXO$PNQJMFS ‣ 3F7*&8ه๏ͷ୅ΘΓʹ.BSLEPXOΛϏϧυͰ͖ΔΑ͏ʹ͢Δ ‣ "45$PNQJMFSͷ୅ΘΓʹ"45.BSLEPXO$PNQJMFSΛݺͿ ‣ ੜ੒͞ΕΔ"45͸ಉ͡Ϋϥε܈ "45$PNQJMFS "45 "45.BSLEP XO$PNQJMFS *.re *.md ……

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௥Ճػೳ7JWMJPTUZMF.BLFS Ծ ‣ &QVC.BLFSͷ୅ΘΓʹWJWMJPTUZMFίϚϯυΛݺͿ7JWMJPTUZMF.BLFSΛಋೖ ‣ ͦΕ༻ͷ)5.-ੜ੒Λߦ͍ɺ࠷ऴతʹ1%'Λੜ੒͢Δ ‣ "45$PNQJMFS΍)UNM3FOEFSFS͸ͦͷ··࢖͑Δ *.html &QVC.BLFS EPUB 7JWMJPTUZMF.BLFS PDF ……

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3F7*&8"453FOEFSFSͷεςʔλε ‣ ͱΓ͋͑ͣ13Λ౤͚͛ͨͩ ‣ Ϛʔδ͞ΕΔ͔΋ະఆ ‣ WJWMJPNBLFS͸·ͩ%3"'5 ‣ ͜Ε͔ΒLNVUP͞ΜؚΊͯ΋ Ζ΋Ζௐ੔͢Δ༧ఆ https://github.com/kmuto/review/pull/1956

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#SPBEMJTUFOJOH

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#SPBEMJTUFOJOH ‣ kouchou-ai (޿ௌAI)ͷRuby൛ ‣ ݩ͸Python(+֎෦LLM API)+Node ‣ ͦͷ͏ͪͷPythonͷػೳ෦෼ͷΈ ͷҠ২Λ໨ࢦ͍ͯ͠Δ΋ͷ ‣ Decidimͱ͍͏RailsΞϓϦέʔγϣ ϯ͔Βͷར༻Λ૝ఆ͍ͯ͠Δ͕ɺ൚ ༻తʹ΋࢖͑ΔʢΑ͏ʹͳΔ͸ͣʣ https://github.com/takahashim/broadlistening-ruby

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LPVDIPVBJ ‣ σδλϧຽओओٛϓϩδΣΫτʹ ͯ։ൃ ‣ ͍ΖΜͳਓʑ͔Βऩूͨ͠ଟ༷ͳίϝϯ τ͔ΒʮҙݟʯΛநग़͠ɺ֊૚తΫϥε λϦϯά౳Λ༻͍ͯ෼ੳɾՄࢹԽ͢Δ ‣ ຽओతͳҙࢥܾఆΛࢧԉ͢Δ ‣ ʢҙࢥܾఆͦͷ΋ͷΛͯ͘͠ΕΔΘ͚ Ͱ͸ͳ͍ɺͦΕ͸ਓؒͷ࢓ࣄʣ https://dd2030.org/kouchou-ai

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LPVDIPVBJ ‣ 1ZUIPOଆ͸ͦΜͳʹؤுͬͯͳ͍ ‣ --.ͷൺॏ͕େ͖ͦ͏ ‣ ͜Ε͸ҙਤతͳ෦෼΋͋Δͦ͏Ͱɺ આ໌༰қੑ˞Λ୲อ͢Δͱ͍͏ࢥ࿭ ‣ ͱ͸͍͑1ZUIPOͰ͸ศརͳఆ൪ϥΠ ϒϥϦ͕ἧͬͯͯ༗རͦ͏ ‣ ؤுͬͯҠ২͢Δ ෼ੳऀ6* OPEF 1ZUIPO 0QFO"*౳ ※ʮ޿ௌAIٕज़ղઆ ϒϩʔυϦεχϯάΛࢧ͑Δٕज़ʯ ɹhttps://www.docswell.com/s/tokoroten/ZL1M88-2025-06-14-014546 3BJMT #SPBE MJTUFOJOH 0QFO"*౳

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࣮૷ͷൺֱ kouchou-AI Broadlistening ਺஋ܭࢉͷϕʔε NumPy + Pandas Numo::NArray UMAP umap-learn Umappp KMeans sklearn.cluster ಠ࣮ࣗ૷ Ϋϥελ౷߹ scipy.cluster.hierarchy౳ ಠ࣮ࣗ૷

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#SPBEMJTUFOJOHͷεςʔλε ‣ ·ͣ͸CSPBEMJTUFOJOHͷ֤TUFQTΛҠ২ͯ͠ΈΔͱ͜Ζ·Ͱ ‣ ຊ֨తʹར༻͢ΔͨΊͷ%FDJEJN༻ίϯϙʔωϯτΛ࣮૷༧ఆ ‣ ࢼͨ͢Ίʹ͸༗ঈ--.Λୟ͔ͳ͍ͱ͍͚ͳ͍ͷ͕໘౗ ‣ &NCFEEJOH͘Β͍ͳΒ$16Ͱ΋ಈ͘Β͍͚͠Ͳʜ ‣ ՄࢹԽͷௐ੔͸શࣗಈͰ͸ͳ͘ਓ͕ؒௐ੔͢Δ༨஍Λ࢒ͨ͠ํ͕ྑͦ͞͏ ‣ 6*Λݕ౼͠ͳ͍ͱ͍͚ͳ͍

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ͦΕͧΕͷ ࣮૷ख๏ʹ͍ͭͯ

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ͦΕͧΕͷ࣮૷ख๏ʹ͍ͭͯ ‣ "*"HFOU $MBVEF$PEF Λϑϧ׆༻ ‣ 7JWF$PEJOHͰ͸ͳ͘ϖΞϓϩελΠϧ ‣ ൺֱతࡉ͔֬͘ೝ͠ɺඍົͳͱ͜Ζ͸ϦϑΝΫλϦϯάͤ͞Δ ‣ Ϋϥε෼ׂ͕ଟ͔ͬͨҹ৅ ‣ 3F7*&8"453FOEFSFS fi MFT ສߦ  ‣ #SPBEMJTUFOJOHສߦ ͘Β͍ʁ

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࣮૷ͯ͠Έͨײ૝ ‣ ʮ͓खຊʯΛݩʹ࣮૷͢Δͷ͸"*"HFOU͸࠷ߴ͗͢Δ ‣ "453FOEFSFS͸ݱ3F7*&8ɺ#SPBEMJTUFOJOH͸LPVDIPVBJ ‣ ʮ͓खຊʯΛগͣͭ͠຋༁࣮ͯ͠૷ ‣ ݁Ռͷҧ͍Λࣗ཯తʹ൑ผɾमਖ਼Ͱ͖Δ

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3VCZΛ͓͢͢Ί͍ͨ͠ ׆༻γʔϯɾਓɾ෼໺

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3VCZΛ͓͢͢Ί͍ͨ͠׆༻γʔϯɾਓɾ෼໺ ‣ ໛ൣղ౴ͱͯ͠͸ɿ ‣ ʮಛʹͳ͍ʯ ‣ ͳͥͳΒ൚༻ݴޠͳͷͰ ‣ 3VCZ͕͓͢͢ΊͰ͖ͳ͍ɾۤखͳ෼໺͸͍Ζ͍Ζ͋Δ ‣ ܭࢉػΛ࢖͍੾Γ͍ͨͱ͔ ‣ ಛఆݴޠ͕ਪ঑͞ΕΔ෼໺ͱ͔ ‣ Ͱ΋ෆՄೳͰ͸ͳ͍͠ɺ΍ͬͯΔਓ΋͍ͨΓ͢Δ

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3VCZΛ͓͢͢Ί͍ͨ͠׆༻γʔϯɾਓɾ෼໺ ‣ ΋͏Ұͭͷճ౴ɿ ‣ ʮ͘͢͝ͳ͍͚ͲୈҰઢͰ׆༂͍ͨ͠ɾୈҰਓऀʹͳΓ͍ͨਓʯ

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3VCZͷϙδγϣχϯά ‣ ར༻ऀਓޱ͸ͦΜͳʹଟ͘͸ͳ͍ ‣ 5ZQF4DSJQUɺ1ZUIPOɺ+BWBɺ1)1ʜͳͲͱൺֱͨ͠৔߹ ‣ ͱ͸͍͑8FCͳͲͷ෼໺Ͱ͸͋Δఔ౓ଘࡏײ͕͋Δ ‣ ެࣜ4%,͕͋ͬͨΓ͢Δ ‣ ศརͳHFNT΋ͦΕͳΓʹ͋Δ ‣ ͖ͬ͞ͷྫͩͱ6NBQQͱ͔/VNP/"SSBZͱ͔

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3VCZͷϙδγϣχϯά ‣ ݴޠ಺ϥΠόϧ͕ଟ͘ͳ͍ ‣ ௒͍͢͝ਓ͡Όͳͯ͘΋ؤுΕ͹ಛఆ෼໺ͷ೼ݖ͕ѲΕͦ͏ ‣ ΑΓϝδϟʔͳݴޠͰ͸؀ڥ͕ྑͯ͘΋ϥΠόϧ΋ଟ͍ ‣ ࣮ྗΛ஁͑ͯڝ͏BOEPS͏·͍ઓུɾ޻෉͕ඞཁ ‣ ΋ͬͱϚΠφʔͳݴޠͰ͸͞Βʹ༰қʹ೼ݖΛѲΕͦ͏͕ͩɺͦΕҎ֎Ͱͷ࿑ྗ ͕͍Ζ͍Ζ͋Γͦ͏ ‣ /VNP/"SSBZ૬౰ΛࣗྗͰ࣮૷͢ΔɺΈ͍ͨͳͷ͸͠ΜͲ͍

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3VCZͷϙδγϣχϯά ‣ ·ͱΊΔͱ ‣ ྲྀߦΓ෺΍มΘͬͨ෼໺ʹରͯ͠ҰਓͰແ૒͍ͨ͠ɺΈ͍ͨͳਓ͸ଞݴޠ ΑΓ΋3VCZͰؤுͬͨํ͕͍͍͜ͱ΋͋Γͦ͏ ‣ ΈΜͳͱҰॹʹ͍͢͝΋ͷΛ࡞Γ͍ͨͷͰ͋Ε͹ଞݴޠͷํ͕Α͍͜ͱ ΋͋Δ͸ͣ ‣ ʢ8FCํ໘ͷ3VCZͰݴ͏ͳΒ͋͑ͯ3BJMTΛ࢖Θͣʹ໨తಛԽ࿏ઢΛ໨ࢦ ͢ɺΈ͍ͨͳ࿩ʣ

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3VCZͷձʹ͍ͭͯ

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3VCZͷձʹ͍ͭͯ ‣ 3VCZͷձͷͰ͖Δલͷ3VCZίϛϡχςΟ ‣ ʮҰൠࣾஂ๏ਓʯͱͯ͠ͷ3VCZͷձ ‣ ίϛϡχςΟ׆ಈந৅ԽϨΠϠʔͱ3VCZͷձ ʢ˞௕͍ͷͰʮ೔ຊ3VCZͷձʯΛʮ3VCZͷձʯͱॻ͍ͯ·͢ʣ

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3VCZͷձͷ֓ཁ ‣ 3VCZͷ։ൃऀͱར༻ऀΛࢧԉ ‣ 3VCZ,BJHJɺ,BJHJPO3BJMT ‣ ஍Ҭ3VCZձٞ౳ͷΠϕϯτ ‣ 3VCZJTU.BHB[JOFʢΔͼ·ʣ ‣ 3VCZϦϑΝϨϯεϚχϡΞϧ ࡮৽ܭը ‣ ౉ߤऀࢧԉ

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3VCZͷձ͕Ͱ͖Δલ ͷ3VCZίϛϡχςΟ

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3VCZͷձҎલͷ࿩ ‣ 3VCZͷॳެ։͸೥݄ ‣ 3VCZͷձͷൃ଍͸೥݄ ‣ ݸਓతʹ͸3VCZ͕ೝ஌͞Ε͔ͯΒ3VCZͷձ͕Ͱ͖Δ·Ͱʹ͸ ͔ͳΓ͕ۭ͍͍࣌ؒͯͨɺͱ͍͏ೝ͕ࣝ͋Δ ‣ ΋ͬͱ΋೥લͷ࿩ͳͷͰੲ࿩Ͱ͸͋Δ

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࠷ॳظͷ3VCZίϛϡχςΟ ‣ SVCZMJTU.BJMJOH-JTU ‣ ೥݄ɺ3VCZެ։ͷλΠϛϯάͰΞφ΢ϯε ‣ SVCZEFW.BJMJOH-JTU ‣ ೥݄ɺSVCZMJTU͔Β։ൃ༻Λ෼͚ΔܗͰ։ઃ ‣ GKMBOHSVCZ ‣ Πϯλʔωοτχϡʔεάϧʔϓɻ೥݄։ઃɻޙʹGKDPNQMBOHSVCZʹ վ໊ɻ

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ॳظͷ3VCZίϛϡχςΟ ‣ جຊతʹΦϯϥΠϯͰͷ׆ಈ͕த৺ ‣ ΦϑϥΠϯͰී௨ʹ3VCZ͕࿐ग़͞ΕΔ৔໘͕΄ͱΜͲͳ͍ ‣ ΠϕϯτΛ։࠵͢Δࡍʹ͍ΘΏΔΦϑձ͕։࠵͞ΕͨΓ ‣ 3)(ಡॻձ͕౦ژͰ͋ͬͨΓ ‣ ʰΦϒδΣΫτࢦ޲εΫϦϓτݴޠ3VCZʱʢΞεΩʔʣ͕ग़ͨͱ͖ʹ͸ಡॻ ձ͸ͳ͔ͬͨ͸ͣ ‣ U%JBSZ 3VCZʹΑΔ8FC೔هγεςϜ ํ໘Ͱ΋Կ͔͔͋ͬͨ΋

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3VCZͷձ͕Ͱ͖Δ ·ͰͷྲྀΕ

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3VCZͷձ͕Ͱ͖Δ·ͰͷྲྀΕ ‣ ੈل຤ʙੈلॳ಄͸044ͷϢʔβʔձతͳ૊৫͕ଟ਺࡞ΒΕΔ ‣ ೥೔ຊ1PTUHSF42-Ϣʔβձ ೥/10Խ ɺ೔ຊ-JOVYڠձ ‣ ೥೔ຊ1)1Ϣʔβձɺ೔ຊ.Z42-Ϣʔβձɺ೔ຊ"QBDIFϢʔβձɺ΋͡ Β૊ ‣ ೥೔ຊ;PQFϢʔβʔձ ‣ ೥4IJCVZBQN ‣ ଞʹ΋஍Ҭ-JOVYϢʔβʔάϧʔϓʢ-6(ʣ͕ଟ਺ൃ଍

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3VCZͷձ͕Ͱ͖Δ·ͰͷྲྀΕ ‣ 3VCZ͸ͳΜ͔࡞Βͳ͍ͷʁɹͱ͍͏࿩͸౰વ͋ͬͨ ‣ .BU[͕૊৫͠ͳ͔ͬͨ ‣ ଞʹखΛڍ͛Δਓ΋͍ͳ͔ͬͨ ‣ .BU[Λࠩ͠ஔ͍ͯઃཱ͢Δحಛͳਓ͸͋Μ·Γ͍ͳ͍ ‣ ݸਓతʹ͸ʮϢʔβʔձʯͱ͍͏໊લ͕ඍົͩͬͨ ‣ ผʹϢʔβʔ͚ͩ͡Όͳ͍͠ʜͱ͍͏ؾ࣋ͪ

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ϓϩάϥϛϯάݴޠίϛϡχςΟͷಛ௃ ‣ Ϣʔβʔ͕ΈΜͳ։ൃऀ ‣ ʮϓϩάϥϛϯάݴޠࣗମͷϢʔβʔʯ͸ී௨։ൃऀͳͷͰ ‣ ։ൃऀͱར༻ऀͷڥ໨͕ͳ͍ɾ·ͨ͸গͳ͍ ‣ ಛʹ044ͷݴޠίϛϡχςΟͷར఺ɾ༏Ґੑ ‣ ιϑτ΢ΣΞίϛϡχςΟશൠͰ͸౰ͯ͸·Βͳ͍ ‣ ྫ͑͹"84Ϣʔβʔ͸։ൃऀ͕ଟ͍͚Ͳ"84ࣗମͷ։ൃ͸ԕ͍

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3VCZͷձ͕Ͱ͖Δ·ͰͷྲྀΕ ‣ ೥݄ʰͨͷ͍͠3VCZʱץߦ ‣ ೥݄ؔ੢Φʔϓϯιʔε ϑϦʔ΢ΣΞ։࠵ ‣ ΈΜͳͰۄ଄ԹઘʹߦͬͯΈ͍ͨͶɺͱ͍͏࿩͕ग़Δ ‣ ೥݄3)(ಡॻձ։࢝ ‣ ೥݄3VCZ0OTFO.FFUJOH։࠵ ‣ ͦͷ৔Ͱʮ೔ຊ3VCZͷձʯͱ͍͏໊લΛࢥ͍ͭ͘ ‣ ೥݄ɹ೔ຊ3VCZͷձൃ଍

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ʮҰൠࣾஂ๏ਓʯͱͯ͠ͷ 3VCZͷձʹ͍ͭͯ

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3VCZͷձͷ࠷େͷมԽ ೥݄Ұൠࣾஂ๏ਓԽ

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ͳͥҰൠࣾஂ๏ਓ ͳͷ͔

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๏ਓͱ͸ ‣ ๏཯্ͷʪਓʫ ‣ ࣗવਓҎ֎ͷଘࡏ ‣ ਓؒͰ͸ͳ͍͚ͲਓؒΈ͍ͨ ͳ͜ͱ͕Ͱ͖Δ ๏཯্ͷʪਓʫʹݖརओମ ࣗવਓ ๏ਓ (ී௨ͷਓؒ)

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ຽ๏ͱҰൠࣾஂ๏ਓ ‣ ී௨ͷاۀ͸ձࣾ๏Ͱنఆ͞Ε͍ͯΔ ‣ ձࣾ๏͸঎๏ͷಛผ๏ ‣ ঎๏͸ຽ๏ͷಛผ๏ ‣ Ұൠࣾஂ๏ਓ͸ʮҰൠࣾஂ๏ਓٴͼ Ұൠࡒஂ๏ਓʹؔ͢Δ๏཯ʯͰنఆ ͞ΕΔ ‣ ͜Ε͸ຽ๏ͷಛผ๏ ‣ ձࣾ๏ͱ͸Ґஔ͚͕ͮҧ͏ ຽ๏ ঎๏ Ұൠࣾஂ๏ ਓɾҰൠࡒ ஂ๏ਓ๏ ձࣾ๏

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ຽ๏ ‣ ࢲਓؒͷݖར΍ٛ຿Λنఆ͍ͯ͠Δ΋ͷ ‣ ʲܖ໿͢Δʳ ‣ Կ͔͋ͬͨ࣌ʹܖ໿͕༗ޮ͔ແޮ͔Λ ͸͖ͬΓͤ͞Δ ‣ ʲࡒ࢈Λ࣋ͭʳ ‣ ୭͕ԿΛ͍࣋ͬͯΔ͔ɾ࣋ͨͳ͘ͳͬͨ ͷ͔Λ͸͖ͬΓͤ͞Δ 🤝 💰

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ຽ๏ ‣ ͍͍ͩͨ୭͔ͱ୭͔͕ᎍΊͨ࣌ʹඞཁͱ͞ΕΔ ‣ ᎍΊͯͳ͚Ε͹ͳͯ͘΋͋·ΓࠔΒͳ͍ ‣ ͋Β͔͡ΊᎍΊΔͷΛආ͚͍ͨ࣌ʹ΋ॏๅ͞ΕΔ

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๏ਓ Խ ͕ඞཁͳཧ༝ ‣ݖརٛ຿ͷओମʹͳΕΔ ‣ ஂମͱͯ͠ͷ৴༻͕૿͢ ‣ ࣄۀʹΑͬͯ͸๏ਓ͕֨ඞཁͱͳΔ

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๏ਓ Խ ͕ඞཁͳཧ༝ ܧଓతʹ׆ಈ͍ͯͨ͘͠Ίɺ ʪݸਓʫ͔Βണ͕͍ͨ͠

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ݸਓͩͱࠔΔ͜ͱ ‣ ܖ໿͕Ͱ͖ͳ͍ ‣ ๏ਓ͡Όͳ͍ͱܖ໿Ͱ͖ͳ͍ࢪઃɾاۀ͕͋Δ ‣ Կ͔͋ͬͨ࣌ʹݸਓ૬खͩͱͲ͏ʹ΋ͳΒͳ͍ΜͰ͸ɺͱࢥΘΕͨΓ͢ΔͨΊ ‣ ܖ໿͕Ҿ͖ܧ͛ͳ͍ ‣ ୅ද͕มΘΔͱΊΜͲ͍͘͞ʢ࠶ܖ໿ʹͳΓͦ͏ʣ ‣ αʔϏεͱ͔ͷΞΧ΢ϯτ΋શ෦มߋʹͳΔ

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ݸਓͱ೚ҙஂମ ‣ ೚ҙஂମͰ΋࠷ऴతʹ୭͔ʢී௨͸୅දऀʣʹ͍Ζ͍Ζඥ෇͘ ‣ ྫ͑͹ۜߦޱ࠲ʹݸਓ໊͕ೖͬͨΓ͢Δ ‣ ܖ໿΋୅දऀͱͷܖ໿ʹͳΔ͸ͣ ‣ ࣮ҹ͕ඞཁͳ৔߹͸୅දऀݸਓͷ࣮ҹʹͳΔʢΒ͍͠ʣ

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๏ਓԽ ‣ ͱ͸͍͑೥୅ޙ൒౰࣌ɺ๏ਓԽ͸͞΄Ͳ౰ͨΓલͰ͸ͳ͔ͬͨ ‣ ೔ຊ1PTUHSF42-Ϣʔβձ͕/10ͩͬͨͷͰࢀߟʹ͚ͯͨ͠Ͳ͠ ͘Έͱͯ͠͸Կ͔ॏͦ͏ʜͱࢥͬͨهԱʢ/10ͷํ͕ॏ͍ʣ ‣ ͳͥͳͷ͔ʁ ‣ ˠҎલ͸ੈͷதతʹͦͷΑ͏ͳ੍౓͕ͳ͔ͬͨ ‣ ͦ΋ͦ΋ੲ ʙ೥ ͸ʮҰൠࣾஂ๏ਓʯ͕ଘࡏ͠ͳ͔ͬͨ

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೥୅·Ͱͷ*5ίϛϡχςΟ ‣ جຊతʹ͸اۀܥ͔ɺֶज़ɾݚڀܥͩͬͨ ‣ ҰൠͷݸਓʹΑΔ׆ಈΛର৅ͱͨ͠΋ͷͰ͸ͳ͍ ‣ ͦ΋ͦ΋ωοτ͕ͳ͍࣌୅ͳͷͰɺݸਓ΍೚ҙஂମ͕શࠃن໛ Ͱ׆ಈ͢Δͷ͕ࠔ೉

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چདྷͷ*5ܥ૊৫ ‣ ʢ೥Ұൠࣾஂ๏ਓ৘ใॲཧֶձ *14+ ʣ ‣ ೥Ұൠࣾஂ๏ਓιϑτ΢ΣΞڠձ 4"+  ‣ ೥೔ຊ6/*9Ϣʔβձ +64  ‣ ೥+6/&5 ‣ ೥Ұൠࣾஂ๏ਓ৘ใαʔϏε࢈ۀڠձ +*4"  ‣ ೥Ұൠࣾஂ๏ਓ૊ࠐΈγεςϜٕज़ڠձ +"4"  ‣ ೥8*%&ϓϩδΣΫτ ‣ ೥Ұൠࣾஂ๏ਓίϯϐϡʔλΤϯλʔςΠϝϯτڠձ $&4"  ‣ ˞౰࣌͸Ұൠࣾஂ๏ਓͰ͸ͳ͔ͬͨʢޙड़ʣ

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ඇӦར๏ਓΛऔΓר͘มԽ ‣ ೥ɹࡕਆ୶࿏େ਒ࡂ ‣ ೥ɹಛఆඇӦར׆ಈଅਐ๏੒ཱɾࢪߦ ‣ ೥୅ɹެӹ๏ਓ੍౓վֵ ‣ ೥ɹ৽੍౓ࢪߦ ‣ ೥ɹ׬શҠߦ

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ࡕਆ୶࿏େ਒ࡂͱ/10 ‣ ෮ڵࢧԉͷͨΊʹϘϥϯςΟΞ͕ଟ਺ू·Δ ‣ ೚ҙஂମͩͬͨͨΊɺ༷ʑͳ໰୊͕ੜ͡Δ ‣ د෇͕ۚద੾ʹड͚औΕͳ͍ ‣ ๏ਓ͕֨ͳ͍ͨΊ ‣ ౰࣌ͷެӹ๏ਓ੍౓Ͱ͸๏ਓ֨ͷऔಘ͕ࠔ೉ ‣ ˠ೥ɺ/10๏͕੒ཱ

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ެӹ๏ਓ੍౓վֵ ‣ /10๏ਓʹΑΓެӹతͳ׆ಈΛຽ͕ؒ୲͏͜ͱ͕ҰൠԽ ‣ ͦΕ·Ͱͷެӹ๏ਓ੍౓ʹର͢Δ൷൑͕ߴ·Δ ‣ লிͷڐՄ͕ඞཁ ‣ ੫੍༏۰ͷෆެฏ ‣ ˠ೥ʹҰൠࣾஂ๏ਓɾҰൠࡒஂ๏ਓʹؔ͢Δ๏཯ΛؚΊͨ৽੍౓͕ࢪߦ։ ࢝ɺ೥ʹ׬શҠߦ ‣ ೥ʹ3VCZͷձΛ๏ਓԽͨ࣌͠ʹ͸͜͏͍͏ੈͷதΛಈ͖͸ྑ͘ཧղͯ͠ ͳ͔ͬͨ

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ඇӦར๏ਓʹ͍ͭͯ

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ඇӦར ܕ ๏ਓ ຽ๏ ঎๏ Ұൠࣾஂ๏ ਓɾҰൠࡒ ஂ๏ਓ๏ ձࣾ๏ ಛఆඇӦར ׆ಈଅਐ๏ ʢ/10๏ʣ

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ඇӦར ܕ ๏ਓ Ұൠࣾஂ๏ ਓɾҰൠࡒ ஂ๏ਓ ձࣾ ಛఆඇӦར ׆ಈ๏ਓ ඇӦར๏ਓ 3VCZͷձ͸͜͜

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ඇӦར ܕ ๏ਓͱ͸ ‣ ʮརӹΛߏ੒һʹ෼഑͠ͳ͍๏ਓʯ ‣ ͨͩ͠څ༩ͷࢧڅ౳͸໰୊ͳ͍ ‣ ৒༨ۚͷ෼഑౳Λఆ׺Ͱېࢭ͢Δඞཁ͕͋Δ ‣ ຽ๏ͱ͸ผʹɺ๏ਓ੫๏ͷ֓೦Ͱ΋͋Δ

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ඇӦར ܕ ๏ਓͱ͸ ‣ ๏ਓ੫๏্ͷඇӦརܕ๏ਓͷཁ݅Λຬͨ͢৔߹ɺऩӹࣄۀΛߦΘ ͳ͍ݶΓ๏ਓ੫͕՝੫͞Εͳ͍ ‣ 3VCZ,BJHJɾ,BJHJPO3BJMT΋ऩӹࣄۀͰ͸ͳ͍ܗͰ࣮ࢪ͍ͯ͠ Δ ‣ ݸਓʹ͸ඇӦརͷ֓೦͸ͳ͍ͷͰඞͣ՝੫͞ΕΔ ‣ ๏ਓԽͷϝϦοτͷҰͭ

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ίϛϡχςΟ׆ಈந৅Խ ϨΠϠʔͱ3VCZͷձ

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ίϛϡχςΟ׆ಈந৅ԽϨΠϠʔ ‣ ։ൃந৅ԽϨΠϠʔͷೋ൪Ḧ͡ https://www.joelonsoftware.com/2006/04/11/the-development-abstraction-layer-2/

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։ൃந৅ԽϨΠϠʔ ‣ 2.4ͱ͔ΛࣙΊͯಠཱͨ͠։ൃऀ͕ ಘ্ͯͯ͠ख͍͔͘ͳ͍ͷ͸ͳ͔ͥʁ ‣ ".4ʹ͸։ൃந৅ԽϨΠϠʔ͕ߏங ͞Ε͍ͯͯɺ։ൃऀ͸ͦΕΛ࢖͏͜ͱ ͕Ͱ͖͔ͨΒ ‣ ϚωδϝϯτͷओͨΔ੹຿ɿίʔυ Λॻ͘͜ͱͰιϑτ΢ΣΞձ͕ࣾӡ ӦͰ͖Δɺͱ͍͏ݬ૝Λ࡞Γग़͢ https://www.joelonsoftware.com/2006/04/11/the-development-abstraction-layer-2/

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։ൃந৅ԽϨΠϠʔ ‣ ։ൃ͢ΔͨΊʹඞཁͳશͯ ‣ ։ൃऀ͔Β͸ݟ͑ͯͳ͍ʢ͚Ͳ ศརʹ࢖͍ͬͯΔʣͱ͍͏ͷ͕ ϙΠϯτ ‣ ৄ͘͠͸;FOOʹ͍Ζ͍Ζॻ͍ ͨͷͰྑ͔ͬͨΒಡΜͰͩ͘͞ ͍ https://zenn.dev/takahashim/articles/279523b22a4eed

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ίϛϡχςΟ׆ಈந৅ԽϨΠϠʔ ‣ ίϛϡχςΟ׆ಈΛ͢ΔͨΊʹ ඞཁͳ͜ͱશͯ ‣ ίϛϡχςΟ׆ಈΛ͢Δ্Ͱඞ ཁͳ΋Ζ΋ΖΛ3VCZͷձͰఏ ڙ͢Δ ίϛϡχςΟ׆ಈந৅ԽϨΠ ϠʔʢCZ3VCZͷձʣ ஍Ҭ3VCZձٞ 3VCZ,BJHJ ,BJHJPO3BJMT Δͼ· ΔΓ·

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ίϛϡχςΟ׆ಈந৅ԽϨΠϠʔ ‣ ্ͷ෦෼ͷਓͨͪ͸ͨͷ͍͜͠ͱ Λ޷͖ʹ΍ͬͯ΄͍͠ ‣ ࢲ ͨͪ ΋ͨͷ͠Έ͍ͨ ‣ 3VCZͷձ͸ίϛϡχςΟ׆ಈΛ͢ Δਓͨͪʹɺࣗ෼ͨͪͰࣗ༝ʹί ϛϡχςΟ׆ಈ͕Ͱ͖Δɺͱ͍͏ ݬ૝Λఏڙ͍ͨ͠ ‣ ·͍ͩͩͿந৅Խʹ࿙Ε͕͋Δ ίϛϡχςΟ׆ಈந৅ԽϨΠ ϠʔʢCZ3VCZͷձʣ ஍Ҭ3VCZձٞ 3VCZ,BJHJ ,BJHJPO3BJMT Δͼ· ΔΓ·

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ͱ͜ΖͰ͜ͷϨΠϠʔߏ଄͸ ‣ 3VCZͦͷ΋ͷʹ΋ࣅ͍ͯΔͷͰ͸ʁ

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3VCZͷ֊૚ߏ଄ ‣ 3VCZΞϓϦέʔγϣϯ͸3VCZ Ͱͨͷ͘͠ॻ͚Δ ‣ 3VCZॲཧܥࣗମ͸3VCZͰͨͷ ͘͠ॻ͍͍ͯΔΘ͚Ͱ͸ͳ͍ ‣ 3VCZॲཧܥΛۤ࿑ͯ͠ΑΓΑ ͘͢Δ͜ͱͰɺ3VCZͰίʔυ Λॻ͘͜ͱ͕ͨͷ͘͠ͳΔ 3VCZॲཧܥ CZ3VCZDPNNJUFST DPOUSJCVUFST 3VCZΞϓϦέʔγϣϯ

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3VCZͷձͷ׆ಈελΠϧ ‣ ʪ3VCZͬΆ͞ʫΛେࣄʹ͢Δ ‣ ʪ3VCZͬΆ͘ʫ׆ಈ͢Δ ‣ 3VCZͷձ͕3VCZͬΆ͘׆ಈ͍ͯ͠Δؒ͸ɺ3VCZίϛϡχςΟʹ 3VCZͷձ͕ड͚ೖΕΒΕΔͷͰ͸ ‣ 3VCZͷձ͕3VCZͬΆ͘ͳ͘ͳΔͱɺ3VCZίϛϡχςΟʹड͚ ೖΕΒΕͳ͘ͳΔͷͰ͸ɺͱ͍͏ෆ҆

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3VCZͷձͷཧࣄɾࣾһ ‣ ཧࣄʹ3VCZJTU͔͍͠ͳ͍ ‣ ΈΜͳ3VCZ͕ॻ͚Δ͠3VCZͷ࿩͕௨͡Δʂ͍͢͝ʂ ‣ ͦΕ͸ͦΕͰ૊৫ͱͯ͠͸ݶք͕͋Δͷ͔΋ʁ ‣ ࣄ຿తͳ࢓ࣄ͸ࣄ຿ͷಘҙͳਓΛޏ͏΂͖Ͱ͸ɺͱ͔ ‣ Ͱ΋ɺ3VCZΛ஌Βͳ͍ਓ͸3VCZͬΆ͕͞ڞ༗Ͱ͖ͳ͍ͷͰ͸ ‣ ΋͏গ͠ݱঢ়ͷํ޲ੑͰҾͬுΓ͍ͨ

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·ͱΊ

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·ͱΊ ‣ "*ͱҰॹʹ3VCZͷίʔυΛॻ͘ͷ΋ͨͷ͍͠Ͱ͢ ‣ 3VCZͷձ͸3VCZͬΆ͘׆ಈͯ͠·͢ ‣ Έͳ͞Μͷߟ͑ΔʮΈΜͳͷ3VCZͷձͷ࢖͍ํʯͷఏҊ΋଴ͬ ͯ·͢