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COCOAを使用した人数表示システムの開発
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astolfo
October 31, 2022
Programming
230
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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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Transcript
NBUUFOO $0$0"Λ༻ͨ͠ ਓදࣔγεςϜͷ։ൃ "SDBOBNFFUVQ
ࣗݾհ w .BUUFOOͰ͢ w िାʹߦ͍ͬͯ·ͤΜ w ӉٶͰΧϨʔ৯ͯ·ͨ͠ w ࠓظҰԡ͠ͷΞχϝʮ΅ͬͪɾ ͟ɾΖͬ͘ʂʯͰ͢
݄ w ͷͮ͘ΓͰ͖ͯͳ͍͕ࣗਏ͘ͳΔ w ίεϓϨΠϕϯτͷओ࠵ऀʹʮͳΜ͔ΞΠσΞͳ͍Ͱ͔͢ʙʯͱ૬ஊ w ਓΛදࣔͰ͖ΔγεςϜ͕धཁ͋ΔΒ͍͠ʜ w ίϩφՒͳͷͰີΛආ͚ΔͨΊʹେࣄ w
ࢪઃͷఆһΛ͑Δͱফ๏ʹ৮ΕΔͷͰͬ͘͢͝େࣄ
Ͳ͏࣮ͬͯݱ͠Α͏ʁ w ΧϝϥͰਓΛಡΈऔͬͯ"*తͳͭͰΧϯτ͢Δ w ˠ"*ͳʹΘ͔Βͳ͍ w ձʹ8J'JΛෑ͍ͯΫϥΠΞϯτΛνΣοΫ͢Δ w ˠձʹޫҾ͍͍͍͔ͯ֬ೝऔΔඞཁ͋Δ͠ࣄඞཁͰେม w
ແઢλάΛ໊ࡳʹࠐΜͰΛΧϯτ͢Δ w ˠແઢλά͕͍͍͓ஈ͢Δ
ແཧͰʁ ਓ ද ࣔ Ͱ ͖ Δ γ
ε ς Ϝ
ͦ͏͍͑ w ຊΛؚΊͯੈքதͷεϚʔτϑΥϯ$0$0"͕༗ޮʹͳ͍ͬͯΔ w Ұఆ͍͍࣌ؒۙͮͯͨਓͷ#MVFUPPUIϏʔίϯΛަ͢ΔΈ w Ұఆ࣌ؒ͝ͱʹϏʔίϯΛൃ৴͢Δ
ͦ͏͍͑ w ຊΛؚΊͯੈքதͷεϚʔτϑΥϯ$0$0"͕༗ޮʹͳ͍ͬͯΔ w Ұఆ͍͍࣌ؒۙͮͯͨਓͷ#MVFUPPUIϏʔίϯΛަ͢ΔΈ w Ұఆ࣌ؒ͝ͱʹϏʔίϯΛൃ৴͢Δ ͜Ε͕͑ΔͷͰʁ
$0$0"ʹ͍͓ͭͯ͞Β͍ w #MVFUPPUIͷϏʔίϯΛ͓͖ʹൃ৴͢Δ w $0$0"༻ͷ"1*(PPHMF"QQMFڞ௨Ͱࡦఆ w αʔϏεΛࣝผ͢Δ66*% 4FSWJDF66*% ͱ͠ ͯɺY'%'͕ఆٛ͞Ε͍ͯΔ
w λΠϜϕʔεͷϥϯμϜͳτʔΫϯΛൃ৴͢Δ͚ͩ ͳͷͰɺར༻ऀػछΛࣝผ͢Δ͜ͱෆՄೳ w Ұఆ࣌ؒϏʔίϯΛݕͨ͠߹τʔΫϯΛ෦ ʹه͢Δ
γεςϜΛͬ͘͟Γ w -BSBWFMͰ#MVFUPPUIͷϏʔίϯใΛ֨ೲ͢ΔγεςϜΛߏங w 3BTQCFSSZ1JΛෳઃஔͯ͠#MVFUPPUIͷϏʔίϯΛৗ࣌εΩϟϯ ͠%#ʹੵ w ੵͨ͠σʔλΛ͝ͱʹ۠ͬͯਓΛΧϯτ͢Δ w #PPUTUSBQͰϞμϯͬΆ͘දࣔ
͜ΕͳΒ͍͚ͦ͏ʂ
3BTQCFSSZ1Jଆ w /PEFKTͰ࣮ w OPEFCMFͰ4FSWJDF66*%ͰϑΟϧλϦϯά͕Ͱ͖ͳ͔ͬͨͷͰɺ OPCMFΛ༻ w #MVFUPPUIΛݕࡧঢ়ଶʹͯ͠ɺ4FSWJDF66*%͕Y'%'ʹͳ͍ͬͯΔ ϏʔίϯΛBYJPTͰ-BSBWFMଆʹ1045͢Δ w
͓ΘΓ
-BSBWFMଆ w ςʔϒϧ͔Β͝ͱʹ۠ͬͨϏʔίϯͷσʔλΛऔಘͯ͠ݸΛ දࣔ w #PPUTUSBQͰϞμϯͬΆ͘දࣔ w ऴΘΓ
࣮ w ͙࣌ؒΒ͍Ͱશ෦࡞ͬͨ w ͗͢ΔͷͰίʔσΟϯάͷݟுΓΛืूͯ͠·ͨ͠
݄ ࣮ઓೖ
ઃஔ w ϞόΠϧόοςϦʔ͔64#ిݯΞμϓλʹܨ͍ͩ 3BTQCFSSZ1JΛձͷݟ͑ͳ͍ॴʹઃஔ w ةݥͱޡղ͞Εͳ͍Α͏ʹɺصͷཪଆͳͲʹӅͯ͠ઃ ஔ w ిڧΛνΣοΫ͠ͳ͕Βઃஔͨ͠ w
8J'JΞΫηεϙΠϯτΛதԝʹઃஔͯ͠31JΛཧ w ࢀՃऀʹ$0$0"ΛೖΕͯΒ͏Α͏௨ୡ w ࢀՃऀͷ#MVFUPPUIΛΦϯʹͯ͠Β͏ͷ͕ຊͷత ˢ͜͏͍͏ͷΛෳઃஔͨ͠
ઃஔ w σΟεϓϨΠΛઃஔͯ͠ձͷਓΛදࣔͰ͖ΔΑ͏ʹͨ͠
ࣗ ձ 4PGU&UIFS71/ 71/ϧʔλ༻1$ ੍ޚɾදࣔ༻1$ -BSBWFMڥ ࣗαʔόΠϯϑϥ Πϯϑϥߏਤ
࣮ࡍʹՔಈ w ʢҰਓෳ͍࣋ͬͯΔՄೳੑ͕͋ΔͨΊʣ࣮ࡍͷਓΑΓଟ͘දࣔ͞ΕΔ ߹͋Δͷͷɺಛʹτϥϒϧͳ͔ͬͨ w ߋҥࣨͷਓ·ͰදࣔͰ͖ͨͷͰɺӡӦଆָ༷ͩͬͨࢠ w உੑελοϑ͕ঁੑߋҥࣨʹߦ͘͜ͱͰ͖ͳ͍ʢ͋ͨΓ·͑ʣ w ΧϝϥΛΘͳ͍ํ๏͔ͩΒͦ͜Ͱ͖Δٕ
՝ w $0$0"͕ఀࢭͨ͠Βࢮʢக໋ইʣ w ͏ۚͰղܾ͢Δ͔͠ʜ w ࣮ࡍٕద͕௨ͬͯΔϏʔίϯ֨҆Ͱ"MJFYQSFTTʹ͋ Δ w 8J'J͕͋·Γඈͳ͔ͬͨ
w ๏ਓ༻ͷ"1Λ༻ҙͨ͠ͷͰࠓޙվળ͞ΕΔͣ w /PCMFཧऀ͕αϙʔτ͍ͯ͠ͳ͍ͷͰࠓޙ͏ͷ ྑ͘ͳͦ͞͏
ऴ