Software Development

Transcript

1. ιϑτ΢ΣΞ͸৺ͷதʹ
   ࣲాതࢤ(.01&1"#0JOD
   ৽ଔݚम࠲ֶ
   ιϑτ΢ΣΞ։ൃ
   

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2. Hiroshi SHIBATA @hsbt
   https://www.hsbt.org
   Executive Officer VP of Engineering
   Technical Director
   at GMO Pepabo, Inc. @pepabo
   

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3. self.introduce
   => {
   name: “SHIBATA Hiroshi”,
   nickname: “hsbt”,
   organizations: [“ruby”, “rubygems”, “asakusarb”, “pepabo”, …],
   commit_bits: [“ruby”, “rake”, “rubygems”, “bundler”, “rdoc”,
   “psych”, “ruby-build”, “railsgirls”, “railsgirls-jp”, …],
   sites: [“hsbt.org”, “ruby-lang.org”, “rubyci.org”, “railsgirls.com”,
   “railsgirls.jp”],
   }
   

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4. ιϑτ΢ΣΞͬͯͳΜͰ͔͢
   ࣗ༝هड़෼
   
   

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5. ιϑτ΢ΣΞ͸Ͳ͜ʹ͋Δͷ͔
   wιϑτ΢ΣΞ͸ਓʑͷ৺ͷதʹ͋
   Δ
   wιϑτ΢ΣΞ͸ਓʑͷίϛϡχ
   έʔγϣϯͷதʹ͋Δ
   ʰεΫϥϜ࣮ફೖ໳ʱٕज़ධ࿦ࣾɺ2016೥ɺp.10
   

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6. lιϑτz΢ΣΞ
   “ࢲ͸ɺιϑτ΢ΣΞߏஙʹ͓͍ͯࠔ೉ͳ෦෼͸ɺ͜ͷ
   ֓೦ߏ଄ମͷ࢓༷࡞੒ͱσβΠϯ͓Αͼςετʹ͋ͬ
   ͯɺͦΕΛදݱ͢Δ࢓ࣄ΍ͦͷදݱʹ஧࣮͔൱͔Λς
   ετ͢Δ࢓ࣄͰ͸ͳ͍ͱߟ͍͑ͯΔɻ”
   ʰਓ݄ͷਆ࿩ʲ৽૷൛ʳʱؙળग़൛ɺ2014೥ɺp.170
   

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7. ͋ΒΏΔιϑτ΢ΣΞ͕ਓͱਓͱͷର࿩Λ࣋ͭ
   wࣗ෼޲͚ͷιϑτ΢ΣΞˠ։ൃऀࣗ෼ར༻ऀࣗ෼
   wಛఆͷ૊৫͔ΒͷཁٻΛղܾ͢Διϑτ΢ΣΞˠ։ൃऀ։ൃνʔϜ·ͨ͸ࣗ
   ෼ݸਓར༻ऀಛఆͷ૊৫ʹॴଐ͍ͯ͠Δਓʑ
   wෆಛఆͷ૊৫ʹ޲͚ͨιϑτ΢ΣΞˠ։ൃऀ։ൃνʔϜ·ͨ͸ࣗ෼ݸਓར
   ༻ऀෆಛఆଟ਺
   

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8. ֓೦Խͱந৅Խ
   wιϑτ΢ΣΞ͕ਓͱਓͱΛհͯ͠ଘࡏ͢Δ֓೦্ͷଘࡏͰ͋Δ
   w֓೦্ͷଘࡏΛίϯϐϡʔλʹΑͬͯݱ࣮ͱͯ͠ಈ͔ͨ͢Ίʹ͸ɺෆཁͳ֓೦
   Λ࡟͗མͱ͢ந৅Խ͕ඞཁͰ͋Δ
   w੍ޚͷந৅Խ
   wσʔλͷந৅Խ
   

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9. ੍ޚͷந৅Խ
   wίϯϐϡʔλΛಈ͔ͨ͢Ίʹ͸ϝϞϦɺ$16ɺσΟεΫɺωοτϫʔΫͳͲΛ
   ػցޠʹΑͬͯهड़͢Δඞཁ͕͋Δ 8JLJQFEJBͷྫ
   
   10110000 01100001 ! B0 61 ! MOV AL, 61h
   wߴڃݴޠ $ɺ'PSUSBOɺFUDʜ
   Ͱ͸ΑΓந৅Խ͞Ε͍ͯΔ
   for(i=0; i<10; i++); …
   w೥ݱ୅Ͱ͸ʜ
   10.times{…}
   

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10. σʔλͷந৅Խ
    wྫ࡞ՈNJOOFͷར༻ऀ೔ຊࡏॅͷਓਓ
    wͲͷந৅ϨΠϠʔΛιϑτ΢ΣΞͱ࣮ͯ͠ݱ͢Δ͔ʹΑͬͯɺιϑτ΢ΣΞͷ
    ෳࡶ౓͕ҟͳΔ
    wந৅ϨΠϠʔΛ্͛Δ΄Ͳιϑτ΢ΣΞͱͯ͠ߟྀ͢΂͖ࣄ৅͕૿͑ΔͨΊɺ
    ιϑτ΢ΣΞͱͯ͠ਓͱਓ͕Πϝʔδ͍ͯ͠Δࣄ৅ʹԊͬͨσʔλΛݕ౼͢Δ
    ඞཁ͕͋Δ
    

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11. ιϑτ΢ΣΞ։ൃͷࠔ೉͞ʹཱͪ޲͔͏
    wιϑτ΢ΣΞύϥμΠϜ
    ˠߏ଄ԽϓϩάϥϛϯάɺΦϒδΣΫτࢦ޲ϓϩάϥϛϯάɺ($ɺܕਪ࿦ʜ
    wιϑτ΢ΣΞΞʔΩςΫνϟ
    ˠ(P'ͷσβΠϯύλʔϯɺ.7$ɺ.77.ɺ.JDSP4FSWJDFTʜ
    wιϑτ΢ΣΞ։ൃϓϩηε
    ˠ΢ΥʔλϑΥʔϧɺεύΠϥϧϞσϧɺ91ɺ4DSVNʜ
    

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12. ྑ͍ιϑτ΢ΣΞͬͯԿͩͱࢥ͍·͔͢
    ࣗ༝هड़෼
    
    

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13. γεςϜ޻ֶ
    wࣄ৅ΛΠϯϓοτɺܥ γεςϜ
    ɺΞ΢τϓοτͷࡾͭͰϞσϧԽ͢Δ
    wΠϯϓοτͱܥ͔Βੜ·ΕͨΞ΢τϓοτ͕ظ଴஋௨ΓͰ͋Δ͔Ͳ͏͔Λ඼࣭
    ͱݺͿ
    γεςϜ
    Πϯϓοτ Ξ΢τϓοτ
    

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14. ඼࣭ͱ͍͏ͷ͸ઈର஋Ͱ͸ͳ͘૬ର஋
    

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15. ඼࣭޻ֶͱ͸Կ͔
    wl։ൃɾઃܭஈ֊ͷ඼࣭޻ֶzʹΑΔఆٛ
    ඼࣭
    ػೳͷ͹Β͖ͭʹΑΔଛࣦ
    ࢖༻ίετ
    ฐ֐߲໨ʹΑΔଛࣦ
    
    wཧ૝ػೳͷ͹Β͖ͭʹΑΔଛࣦ
    ਓʹΑΔՁ஋ج४͸ਓʹΑͬͯҟͳΔͨΊɺ඼࣭ͱ͍͏΋ͷΛ޻ֶͱͯ͠ѻ͏
    ࣌ʹ͸ɺՁ஋ج४ʹরΒ͢ͷͰ͸ͳ͘ɺ࡞੒෺ͷཧ૝ػೳͱ࣮ࡍʹ༗͢Δػೳ
    ͱͷ͹Β͖ͭΛج४ͱ͢Δ
    

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16. ඼࣭޻ֶͷجຊతͳߟ͑ํ
    w։ൃઃܭஈ֊Ͱ඼࣭Λ࡞ΓࠐΉ
    ˠ੡଄ஈ֊Ͱ࡞ΓࠐΉ͔Βػೳͷ͹Β͖͕ͭൃੜ͢Δ
    wΑ͋͘Δޡղ
    ʮςετɾࢼݧͰ඼࣭޲্ʯ
    wςετͰΘ͔Δ͜ͱ͸࡞੒෺ͷ඼࣭͕Ͳͷఔ౓͔Ͱ͋Γɺ࡞੒෺ͦͷ΋ͷͷ඼
    ࣭͕มԽ͢ΔΘ͚Ͱ͸ͳ͍
    

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17. اըஈ֊ͷ඼࣭؅ཧ
    l඼࣭z͸Ϣʔβʔͷظ଴͢Δػೳͱ࣮ࡍʹఏڙ͍ͯ͠Δػೳͱͷဃ཭Ͱ͋Δ
    ߴ඼࣭
    wػೳͱཧ૝ػೳͱͷဃ཭ͷ͹Β͖͕ͭখ͍͜͞ͱ
    wϓϥεͷဃ཭͕ߴ͍͜ͱ͚͕ͩߴ඼࣭ͱ͸ݺ͹ͳ͍ ྫա৒඼࣭
    
    ௿඼࣭
    wػೳͱཧ૝ػೳͱͷဃ཭ͷ͹Β͖͕ͭେ͖͍͜ͱ
    wϚΠφεͷဃ཭͕େ͖͚Ε͹Ϣʔβʔͷຬ଍ײΛຬͨ͢͜ͱ͸Ͱ͖ͳ͍
    

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18. ౰ͨΓલ඼࣭ͱັྗత඼࣭
    ङ໺ ັྗత඼࣭ͱ౰ͨΓલ඼࣭
    ʹΑΔఆٛ
    ౰ͨΓલ඼࣭
    w඼࣭ج४Λຬͨ͞ͳ͍৔߹ɺϢʔβʔͷຬ଍౓Λ௿Լͤ͞ΔཁҼͱͳΔ͕ɺຬ
    ͍ͨͯͯ͠΋ຬ଍౓ͷ޲্͸ݟࠐΊͳ͍
    ັྗత඼࣭
    w඼࣭ج४Λຬͨͨ͠৔߹ɺϢʔβʔͷຬ଍౓Λ޲্ͤ͞ΔཁҼͱͳΔ͕ɺຬͨ
    ͯ͠ͳ͍৔߹Ͱ΋ຬ଍౓ʹ͸Өڹ͠ͳ͍
    

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19. εϚʔτϑΥϯͷ
    ౰ͨΓલ඼࣭ͱັྗత඼࣭Λߟ͑Α͏
    ࣗ༝هड़෼
    
    

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20. ౰ͨΓલ඼࣭ͱັྗత඼࣭
    IUUQTTJUFTHPPHMFDPNTJUFUFDIENCBLBOPNPEFM
    

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21. ·ͱΊ
    wιϑτ΢ΣΞ͸ΈΜͳͷ৺ͷதʹ͋Δ
    w඼࣭͸ςετʹΑͬͯಘΒΕΔ΋ͷͰ͸ͳࣗ͘෼͕ͨͪ࡞ΓࠐΉ΋ͷ
    wࣗ෼͕࡞͍ͬͯΔ΋ͷͷ඼࣭͸Կ͔Λҙࣝ͢Δ ౰ͨΓલ඼࣭ͱັྗత඼࣭
    
    wͦ΋ͦ΋ιϑτ΢ΣΞ։ൃ͸೉͍͠
    w೉͍͠ͷΛཧղ্ͨ͠ͰΑΓྑ͍ιϑτ΢ΣΞΛੜΈग़ͨ͢ΊʹؤுΓ·͠ΐ
    ͏
    

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