10秒で衝突するUUIDの作り方

11/25(月) LT Party presented by GeekHub (大阪)
エンジニア向けゆるいフリーテーマLT大会!

Transcript

1. ඵͰিಥ͢Δ
   66*%ͷ࡞Γํ
   

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2. ͨͳ͔ͻͯ͞Δ
   @tanakahisateru
   ॴ௕
   

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3. GFFFFFBCBFBE
   όʔδϣϯ͜Εͷѥछ
   όʔδϣϯ66*%ܗࣜͷ.%4)"ϋογϡ஋
   φϊඵਫ਼౓ͷλΠϜελϯϓ
   ੢ྐྵ೥·Ͱ
   λΠϜελϯϓ͕
   ॏෳͨ͠৔߹ͷγʔέϯε
   ."$ΞυϨε
   66*%
   ཧ࿦্ઈରʹিಥ͠ͳ͍
   

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4. CCGBCECFG
   66*%W
   ༧໿ϏοτϏοτҎ֎ͷϏοτ͢΂ͯϥϯμϜ
   

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5. ?
   
   
   ͢΂ͯͷ66*%W
   ׾ߔয়䉺
   ᆇژஹ
   ԯສ௨Γ
   

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6. શਓྨ͕ຖ೔ϒϩΫΛॻ͍ͯ΋
   Ӊ஦͕ஹճऴᖼΛܴ͑Δࠒ·Ͱ
   ރׇ͠ͳ͍
   

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7. ۮવͷҰக
   ແ࡞ҝʹϥϯμϜ஋Λੜ੒͢Δͱʜ
   ʮͻͱͭͷΫϥεʹۮવ஀ੜ೔͕
   ಉ͡ೋਓ͕͍Δݱ৅ʯ͕ى͖Δ
   

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8. ૯Ωϟϥ਺छͷΨνϟ
   ࿈Ͱ͔ͿΒͳͯ͘΋
   ࿈͢Δͱ͍͍͔ͩͨͿΔ
   ܦݧతʹΘ͔Γ΍͍͢ྫ
   

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9. ?
   
   ͔ͿΓ֬཰ͷํ͕ߴ͘ͳΔ·Ͱͷੜ੒ճ਺
   ژஹ
   ԯສճ໨
   

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10. શਓྨ͕ຖ೔ϒϩΫΛॻ͘ͱ
    ສ೥΄ͲͰͨͿΜিಥ
    

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11. ͦΜͳਓྨ஀ੜϨϕϧͷح੻
    ҙ֎ͱى͖ͯΔͷͩͱ͔
    

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12. ·͋ࢲ΄ͲͷϨϕϧʹͳΔͱ
    িಥͤ͞Δ·Ͱ
    ඵ΋͋Ε͹े෼Ͱ͕͢Ͷ
    ͲΕɺح੻ͱ΍ΒΛ
    ͓ݟͤ͠·͠ΐ͏͔ʜ
    

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13. https://
    gist.github.com/
    tanakahisateru/
    ff65a6b572356fe3be3
    570e0d8977feb
    σϞ
    

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14. NU@SBOE
    
    ٙࣅཚ਺
    ͨͶ͔͋͠
    

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15. 
    TSBOE
    
    OVMM
    JNQMPEF BSSBZ@NBQ GVODUJPO
    \SFUVSONU@SBOE
    ^ SBOHF
    
    
    
    
    
    
    TSBOE
    
    OVMM
    JNQMPEF BSSBZ@NBQ GVODUJPO
    \SFUVSONU@SBOE
    ^ SBOHF
    
    
    
    
    
    
    TSBOE
    
    OVMM
    JNQMPEF BSSBZ@NBQ GVODUJPO
    \SFUVSONU@SBOE
    ^ SBOHF
    
    
    
    
    ࠶ݱՄೳ
    γʔυ͕߹͑͹
    

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16. ?໿ԯύλʔϯͷٙࣅཚ਺਺ྻ͔͠ͳ͍
    

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17. ?
    ූ߸ͳ͠Ϗοτ੔਺͕͔ͿΔ·Ͱͷੜ੒ճ਺ظ଴஋
    αʔόʔϓϩηε͕ੜ·ΕΔͱ͖ɺٙࣅཚ਺਺ྻ্ͷҐஔ͸ઌ಄ʹ໭Δ
    ˠҐஔͣΕ͕ॏͳΔػձ͸ଟ͍
    ͏·͘਺ྻ্ͷҐஔ͕ͣΕͯ΋ͨͿΜશࠃຽ͕೔͙Β͍ͰΞ΢τ
    
    ͝ொ಺ͷօ༷͕࢖͏ఔ౓Ͱ೔΋ͨͳ͍
    

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18. SBOEPN@JOU
    
    SBOEPN@CZUFT
    
    ਅཚ਺㲈EFWVSBOEPN
    
    ͜͏͍͏ͱ͖͸ͬͪ͜
    

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19. ٙࣅཚ਺࢖ͬͱ͍ͯ
    66*%িಥݴ͏ͳ
    

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20. 0OFNPSFUIJOH
    

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21. λΠϜελϯϓ ඵ
    ͱϓϩηε*%ͷ৐ࢉ݁Ռͷ
    ϏοτΛͰͨΒΊʹ൓స͢Δ
    ࣗಈܾఆ͞ΕΔٙࣅཚ਺γʔυ
    

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22. λΠϜελϯϓ ඵ
    
    ϓϩηε*%ͷ৐ࢉ݁Ռͷ
    ϏοτΛ
    ͰͨΒΊʹ൓స͢Δ
    σϞͳΒඵఔ౓ͷࠩ
    ఔ౓ͷܻ
    Ͳ͏ͤສ·Ͱͷܻ͔͠
    ΏΒ͕͗ͳ͍ͩΖ͏ͱ͍͏૝ఆͰ
    ภΓ͋Δ
    

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23. NU@TSBOE OVMM
    
    ສύλʔϯ
    ճఔ౓Ͱ͔ͿΔ
    1)1σϑΥϧτͷࣗಈॳظԽ
    ݱ࣮ʹ͸͓ͦΒ͘ϓϩηε࠶ར༻Λߟྀͯ͠ສճ͙Β͍
    $(*Ϟʔυͩͱຖճཚ਺ྻͷઌ಄ͳͷͰճͰ౰ͨΔ
    

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25. ݁࿦
    66*%ੜ੒͸
    ϥΠϒϥϦΛ࢖͑
    ࣗ෼Ͱॻ͘ͳ
    

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