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COCOAを使用した人数表示システムの開発

astolfo
October 31, 2022

 COCOAを使用した人数表示システムの開発

arcana meetup #82で発表

astolfo

October 31, 2022
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  1. NBUUFOO
    $0$0"Λ࢖༻ͨ͠
    ਓ਺දࣔγεςϜͷ։ൃ
    "SDBOBNFFUVQ

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  2. ࣗݾ঺հ
    w .BUUFOOͰ͢
    w ि຤͸஑ାʹߦ͍ͬͯ·ͤΜ
    w Ӊ౎ٶͰΧϨʔ৯΂ͯ·ͨ͠
    w ࠓظҰԡ͠ͷΞχϝ͸ʮ΅ͬͪɾ
    ͟ɾΖͬ͘ʂʯͰ͢

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  3. ೥݄๭೔
    w ΋ͷͮ͘ΓͰ͖ͯͳ͍ࣗ෼͕ਏ͘ͳΔ
    w ίεϓϨΠϕϯτͷओ࠵ऀʹʮͳΜ͔ΞΠσΞͳ͍Ͱ͔͢ʙʯͱ૬ஊ
    w ਓ਺ΛදࣔͰ͖ΔγεςϜ͕धཁ͋ΔΒ͍͠ʜ
    w ίϩφՒͳͷͰີΛආ͚ΔͨΊʹ΋େࣄ
    w ࢪઃͷఆһΛ௒͑Δͱফ๷๏ʹ৮ΕΔͷͰͬ͘͢͝େࣄ

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  4. Ͳ͏΍࣮ͬͯݱ͠Α͏ʁ
    w ΧϝϥͰਓ਺ΛಡΈऔͬͯ"*తͳ΍ͭͰΧ΢ϯτ͢Δ
    w ˠ"*ͳʹ΋Θ͔Βͳ͍
    w ձ৔ʹ8J'JΛෑ͍ͯΫϥΠΞϯτ਺ΛνΣοΫ͢Δ
    w ˠձ৔ʹޫҾ͍͍͍͔ͯ֬ೝऔΔඞཁ͋Δ͠޻ࣄ΋ඞཁͰେม
    w ແઢλάΛ໊ࡳʹ࢓ࠐΜͰ਺ΛΧ΢ϯτ͢Δ
    w ˠແઢλά͕͍͍͓஋ஈ͢Δ

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  5. ແཧͰ͸ʁ




    Ͱ
    ͖
    Δ

    γ
    ε
    ς
    Ϝ

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  6. ͦ͏͍͑͹
    w ೔ຊΛؚΊͯੈքதͷεϚʔτϑΥϯ͸$0$0"͕༗ޮʹͳ͍ͬͯΔ
    w Ұఆ͍͍࣌ؒۙͮͯͨਓͷ#MVFUPPUIϏʔίϯΛަ׵͢Δ࢓૊Έ
    w Ұఆ࣌ؒ͝ͱʹϏʔίϯΛൃ৴͢Δ

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  7. ͦ͏͍͑͹
    w ೔ຊΛؚΊͯੈքதͷεϚʔτϑΥϯ͸$0$0"͕༗ޮʹͳ͍ͬͯΔ
    w Ұఆ͍͍࣌ؒۙͮͯͨਓͷ#MVFUPPUIϏʔίϯΛަ׵͢Δ࢓૊Έ
    w Ұఆ࣌ؒ͝ͱʹϏʔίϯΛൃ৴͢Δ
    ͜Ε͕࢖͑ΔͷͰ͸ʁ

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  8. $0$0"ʹ͍͓ͭͯ͞Β͍
    w #MVFUPPUIͷϏʔίϯΛ෼͓͖ʹൃ৴͢Δ
    w $0$0"༻ͷ"1*͸(PPHMF"QQMFڞ௨Ͱࡦఆ
    w αʔϏεΛࣝผ͢Δ66*% 4FSWJDF66*%
    ͱ͠
    ͯɺY'%'͕ఆٛ͞Ε͍ͯΔ
    w λΠϜϕʔεͷϥϯμϜͳτʔΫϯΛൃ৴͢Δ͚ͩ
    ͳͷͰɺར༻ऀ΍ػछΛࣝผ͢Δ͜ͱ͸ෆՄೳ
    w Ұఆ࣌ؒϏʔίϯΛݕ஌ͨ͠৔߹͸τʔΫϯΛ಺෦
    ʹه࿥͢Δ

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  9. γεςϜΛͬ͘͟Γ
    w -BSBWFMͰ#MVFUPPUIͷϏʔίϯ৘ใΛ֨ೲ͢ΔγεςϜΛߏங
    w 3BTQCFSSZ1JΛෳ਺୆ઃஔͯ͠#MVFUPPUIͷϏʔίϯΛৗ࣌εΩϟϯ
    ͠%#ʹ஝ੵ
    w ஝ੵͨ͠σʔλΛ෼͝ͱʹ۠੾ͬͯਓ਺ΛΧ΢ϯτ͢Δ
    w #PPUTUSBQͰϞμϯͬΆ͘දࣔ
    ͜ΕͳΒ͍͚ͦ͏ʂ

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  10. 3BTQCFSSZ1Jଆ
    w /PEFKTͰ࣮૷
    w OPEFCMFͰ͸4FSWJDF66*%ͰϑΟϧλϦϯά͕Ͱ͖ͳ͔ͬͨͷͰɺ
    OPCMFΛ࢖༻
    w #MVFUPPUIΛݕࡧঢ়ଶʹͯ͠ɺ4FSWJDF66*%͕Y'%'ʹͳ͍ͬͯΔ
    ϏʔίϯΛBYJPTͰ-BSBWFMଆʹ1045͢Δ
    w ͓ΘΓ

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  11. -BSBWFMଆ
    w ςʔϒϧ͔Β෼͝ͱʹ۠੾ͬͨϏʔίϯͷσʔλΛऔಘͯ͠ݸ਺Λ
    දࣔ
    w #PPUTUSBQͰϞμϯͬΆ͘දࣔ
    w ऴΘΓ

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  12. ࣮૷
    w ͙࣌ؒΒ͍Ͱશ෦࡞ͬͨ
    w ຾͗͢ΔͷͰίʔσΟϯάͷݟுΓ໾Λืूͯ͠·ͨ͠

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  13. ೥݄๭೔
    ࣮ઓ౤ೖ

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  14. ઃஔ
    w ϞόΠϧόοςϦʔ͔64#ిݯΞμϓλʹܨ͍ͩ
    3BTQCFSSZ1JΛձ৔ͷݟ͑ͳ͍৔ॴʹઃஔ
    w ةݥ෺ͱޡղ͞Εͳ͍Α͏ʹɺصͷཪଆͳͲʹӅͯ͠ઃ

    w ి೾ڧ౓ΛνΣοΫ͠ͳ͕Βઃஔͨ͠
    w 8J'JΞΫηεϙΠϯτΛதԝʹઃஔͯ͠31JΛ؅ཧ
    w ࢀՃऀʹ$0$0"ΛೖΕͯ΋Β͏Α͏௨ୡ
    w ࢀՃऀͷ#MVFUPPUIΛΦϯʹͯ͠΋Β͏ͷ͕ຊ౰ͷ໨త
    ˢ͜͏͍͏ͷΛෳ਺୆ઃஔͨ͠

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  15. ઃஔ
    w σΟεϓϨΠΛઃஔͯ͠ձ৔ͷਓ਺ΛදࣔͰ͖ΔΑ͏ʹͨ͠

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  16. ࣗ୐
    ձ৔
    4PGU&UIFS71/
    71/ϧʔλ༻1$
    ੍ޚɾදࣔ༻1$
    -BSBWFM؀ڥ
    ࣗ୐αʔόΠϯϑϥ
    Πϯϑϥߏ੒ਤ

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  17. ࣮ࡍʹՔಈ
    w ʢҰਓෳ਺୆͍࣋ͬͯΔՄೳੑ͕͋ΔͨΊʣ࣮ࡍͷਓ਺ΑΓଟ͘දࣔ͞ΕΔ
    ৔߹͸͋Δ΋ͷͷɺಛʹτϥϒϧ͸ͳ͔ͬͨ
    w ߋҥࣨͷਓ਺·ͰදࣔͰ͖ͨͷͰɺӡӦଆ΋ָ༷ͩͬͨࢠ
    w உੑελοϑ͕ঁੑߋҥࣨʹߦ͘͜ͱ͸Ͱ͖ͳ͍ʢ͋ͨΓ·͑ʣ
    w ΧϝϥΛ࢖Θͳ͍ํ๏͔ͩΒͦ͜Ͱ͖Δٕ

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  18. ՝୊
    w $0$0"͕ఀࢭͨ͠Βࢮʢக໋ইʣ
    w ΋͏ۚͰղܾ͢Δ͔͠ʜ
    w ࣮ࡍٕద͕௨ͬͯΔϏʔίϯ΋֨҆Ͱ"MJFYQSFTTʹ͋
    Δ
    w 8J'J͕͋·Γඈ͹ͳ͔ͬͨ
    w ๏ਓ༻ͷ"1Λ༻ҙͨ͠ͷͰࠓޙ͸վળ͞ΕΔ͸ͣ
    w /PCMF͸؅ཧऀ͕αϙʔτ͍ͯ͠ͳ͍ͷͰࠓޙ΋࢖͏ͷ͸
    ྑ͘ͳͦ͞͏

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  19. View Slide