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TokyoR77_BeginnersSession2
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yu_sekiya
April 13, 2019
Programming
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TokyoR77_BeginnersSession2
TokyoR#77の初心者セッションの資料です。
yu_sekiya
April 13, 2019
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Transcript
ॳ৺ऀηογϣϯ 3ϓϩάϥϛϯάجຊͷΩ 5PLZP3 !LPUBUZBNUFNB
ࣗݾհ 5XJUUFS*%!LPUBUZBNUFNB େֶͰͷઐߦಈੜଶֶ ཱҊdั֫d࣮ݧdੳ·ͰϫϯΦϖ ɹɹจͷҾ༻จݙʹఱߖตԼͷจΛ͍·ͨ͠ ࠓ·Ͱ٬ઌ΅ͬͪੳˠΞύϨϧ௨ൢձࣾ ݱࡏ݄·Ͱϓʔ 3ྺա͔͗ͨʁ ۙگస৬ઌܾ·Γ·ͨ͠ʂ ɹɹࠓճΛ࠷ޙʹͰ͖ΔΑ͏ʹؤுΓ·͢ɹ
ࠓճͷλʔήοτ 3Λ͍࢝Ί͍͕ͨࠓ·ͰίʔυೖྗΛ͏ ϓϩάϥϛϯάΛͨ͜͠ͱ͕ͳ͍ 3Λ͍࢝Ί͚ͨΕͲΞυϗοΫɺϕλॻ͖ ͔Βൈ͚ΒΕͳ͍
ϓϩάϥϛϯάͱ ίϯϐϡʔλͷϓϩάϥϛϯάʢӳQSPHSBNNJOHʣ ͱɺίϯϐϡʔλϓϩάϥϜΛ࡞͢Δ͜ͱʹΑΓɺ ਓؒͷҙਤͨ͠ॲཧΛߦ͏Α͏ʹίϯϐϡʔλʹࢦࣔ Λ༩͑ΔߦҝͰ͋Δɻ 8JLJQFEJB IUUQTKBXJLJQFEJBPSHXJLJϓϩάϥϛϯά@ ίϯϐϡʔλ 3ݴޠ౷ܭॲཧʹಛԽͨ͠
ϓϩάϥϛϯάݴޠͷҰͭ
ϓϩάϥϛϯάͷجຊͱ ͲͷΑ͏ʹରΛೝ͍ࣝͯ͠Δͷ͔Δ 3͕σʔλΛͲͷΑ͏ʹࣝผ͍ͯ͠Δͷ͔ ͲͷΑ͏ͳݴ༿͕͋Δͷ͔Δ ࠓճର֎ ԋࢉࢠͱίϚϯυ
͍ճ͢͜ͱ͕Ͱ͖ΔΑ͏ʹॻ͘ ܁Γฦ͠ॲཧͱ݅ذ ͻͱմΓͰ͏ॲཧͻͱմΓʹ͢Δ ؔԽ
త 3Λͬͯ ϓϩάϥϛϯάͷجຊ࡞ۀΛ Ұ௨ΓோΊͯΈΔ ܁Γฦ͠ͱ݅ذΛͬͯ ൚༻తͳॲཧΛͤͯ͞ΈΔ
.&/6 σʔλܕͱσʔλߏ σʔλܕɿܕɺจࣈܕɺϑΝΫλʔܕ σʔλߏɿϕΫτϧɺσʔλϑϨʔϜɺϦετ ೖͱݺͼग़͠ ೖͱॱ൪ ݅ذ
JGจ JGFMTFจ ܁Γฦ͠ॲཧ GPSจͱXIJMFจ ࣮ફ ࣗ༻ͷؔΛ࡞Ζ͏ ൃల ܁Γฦ͠ͰෳͷਤΛඳ͜͏
.&/6 σʔλܕͱσʔλߏ σʔλܕɿܕɺจࣈܕɺϑΝΫλʔܕ σʔλߏɿϕΫτϧɺσʔλϑϨʔϜɺϦετ ೖͱݺͼग़͠ ೖͱॱ൪ ݅ذ
JGจ JGFMTFจ ܁Γฦ͠ॲཧ GPSจͱXIJMFจ ࣮ફ ࣗ༻ͷؔΛ࡞Ζ͏ ൃల ܁Γฦ͠ͰෳͷਤΛඳ͜͏
σʔλܕͱσʔλߏ σʔλܕͱ3͕۠ผ͍ͯ͠Δσʔλͷѻ͍ 3ͰେࡶʹҎԼͷͭͷ۠ ܕ OVNFSJDɿ࢛ଇԋࢉ͕Ͱ͖େখ͕ؔ͋Δ จࣈܕ DIBSBDUFSɿzzͰғΜͰදݱ Ҽࢠ ϑΝΫλʔ ܕ
GBDUPSɿจࣈͷཪʹॱং͕ఆٛͯ͋͠Δͷ ͦΕͧΕzJT zͰ֬ೝɺzBT zͰม
σʔλܕͱσʔλߏ σʔλߏͱ 3ͰେࡶʹҎԼͷͭͷ۠ ϕΫτϧܕ ಉ͡σʔλܕΛ·ͱΊͨߦ͚ͩͷσʔλྻ σʔλϑϨʔϜܕ ҟͳΔσʔλܕͷϕΫτϧΛςʔϒϧߏͰ֨ೲ Ϧετܕ େ͖͞ܕҟͳΔσʔλΛ֨ೲ
.&/6 σʔλܕͱσʔλߏ σʔλܕɿܕɺจࣈܕɺϑΝΫλʔܕ σʔλߏɿϕΫτϧɺσʔλϑϨʔϜɺϦετ ೖͱݺͼग़͠ ೖͱॱ൪ ݅ذ
JGจ JGFMTFจ ܁Γฦ͠ॲཧ GPSจͱXIJMFจ ࣮ફ ࣗ༻ͷؔΛ࡞Ζ͏ ൃల ܁Γฦ͠ͰෳͷਤΛඳ͜͏
ೖͱݺͼग़͠ ೖͱ໊લΛ͚ͭͯอଘ͓ͯ͘͜͠ͱ ೖઌͷ໊લଞͱඃΒͳ͍Α͏ʹ͢Δ ্ॻ͖ͯ͠Ҏલͷ༰Λফͯ͠͠·͏ͨΊ JSJTσʔλΛ*SJT%BUBʹೖ *SJT%BUB JSJT ͔Β·ͰͷϕΫτϧΛ3PX/VNʹೖ 3PX/VN ͔Β·ͰͷϕΫτϧΛ$PM/VNʹೖ $PM/VN
ೖͱݺͼग़͠ ೖͨ͠σʔλΛݺͼग़͢ ϕΫτϧܕσʔλͷݺͼग़͠ 3PX/VNͷ൪ͷΛදࣔ 3PX/VN<> <> 3PX/VNͷ൪ͷΛදࣔ 3PX/VN<> <>
ೖͱݺͼग़͠ ೖͨ͠σʔλΛݺͼग़͢ *SJT%BUBͷઌ಄ߦΛදࣔ IFBE *SJT%BUB 4FQBM-FOHUI4FQBM8JEUI1FUBM-FOHUI1FUBM8JEUI4QFDJFT TFUPTB TFUPTB
TFUPTB TFUPTB TFUPTB TFUPTB *SJT%BUBͷߦྻͷΛݺͼग़͠ *SJT%BUB< > <>
ೖͱݺͼग़͠ ೖͨ͠σʔλΛݺͼग़͢ *SJT%BUBͷઌ಄ߦΛදࣔ IFBE *SJT%BUB 4FQBM-FOHUI4FQBM8JEUI1FUBM-FOHUI1FUBM8JEUI4QFDJFT TFUPTB TFUPTB
TFUPTB TFUPTB TFUPTB TFUPTB σʔλϑϨʔϜͰͷྻͷݺͼग़͠ 4FQBM-FOHUIͷྻͷઌ಄ߦΛݺͼग़͢ IFBE *SJT%BUB4FQBM-FOHUI <>
.&/6 σʔλܕͱσʔλߏ σʔλܕɿܕɺจࣈܕɺϑΝΫλʔܕ σʔλߏɿϕΫτϧɺσʔλϑϨʔϜɺϦετ ೖͱݺͼग़͠ ೖͱॱ൪ ݅ذ
JGจ JGFMTFจ ܁Γฦ͠ॲཧ GPSจͱXIJMFจ ࣮ફ ࣗ༻ͷؔΛ࡞Ζ͏ ൃల ܁Γฦ͠ͰෳͷਤΛඳ͜͏
݅ذ ࢦఆͨ݅͠Λຬ͔ͨͨ͠Ͳ͏͔Αͬͯ ҟͳΔॲཧΛͤ͞Δ JG ݅ \ ݅Λຬͨͨ࣌͠ʹ࣮ߦ͢Δॲཧ ^FMTF\ ݅Λຬ͍ͨͯ͠ͳ͍࣌ʹ࣮ߦ͢Δॲཧ ^
JGFMTF ݅ ݅Λຬͨͨ࣌͠ʹ࣮ߦ͢Δॲཧ ݅Λຬ͍ͨͯ͠ͳ͍࣌ʹ࣮ߦ͢Δॲཧ
݅ذ ݅حͷ࣌Λ͔͚ͦΕҎ֎ͦͷ··දࣔ͢Δ ॻ͖ํ JG 9 \ 99ΛͰׂͬͨ༨ΓΛܭࢉ 9 9ΛͰׂͬͨ༨Γ͕Ͱͳ͍ ح
DBU 9 DBU Λදࣔͤ͞Δ ^FMTF\ DBU 9 ^ ॻ͖ํ JGFMTF 9 9 9
݅ذ ݅حͷ࣌Λ͔͚ͦΕҎ֎ͦͷ··දࣔ͢Δ حͷ࣌ 9 $PM/VN<> 9 JG 9 \ DBU 9
^FMTF\ DBU 9 ^ JGFMTF 9 9 9 <>
݅ذ ݅حͷ࣌Λ͔͚ͦΕҎ֎ͦͷ··දࣔ͢Δ ۮͷ࣌ 9 $PM/VN<> 9 JG 9 \ DBU 9
^FMTF\ DBU 9 ^ JGFMTF 9 9 9 <>
.&/6 σʔλܕͱσʔλߏ σʔλܕɿܕɺจࣈܕɺϑΝΫλʔܕ σʔλߏɿϕΫτϧɺσʔλϑϨʔϜɺϦετ ೖͱݺͼग़͠ ೖͱॱ൪ ݅ذ
JGจ JGFMTFจ ܁Γฦ͠ॲཧ GPSจͱXIJMFจ ࣮ફ ࣗ༻ͷؔΛ࡞Ζ͏ ൃల ܁Γฦ͠ͰෳͷਤΛඳ͜͏
܁Γฦ͠ॲཧ GPSจࢦఆͨ͠σʔλू߹܁Γฦͯ͠ॲཧΛߦ͏ GPS มJOࢦఆ͍ͨ͠σʔλू߹ \ ࣮ߦ͍ͨ͠ॲཧ ^ XIJMFจࢦఆͨ݅͠·Ͱ܁Γฦͯ͠ॲཧΛߦ͏ XIJMF ݅
\ ࣮ߦ͍ͨ͠ॲཧ ^
܁Γฦ͠ॲཧ GPSจʹΑΔ܁Γฦ͠ॲཧ ϕΫτϧͷ͚ͩ݅͞ذͷॲཧΛ܁Γฦ͢ GPS JJOMFOHUI 9 \ J͕Կ൪Λࣔ͢ม MFOHUI 9
͔ΒϕΫτϧ9ͷ͞ͷϕΫτϧ JG 9<J> \ DBU 9<J> ^FMTF\ DBU 9<J> ^ 9<J>ϕΫτϧ9ͷJ൪ͷ ^
܁Γฦ͠ॲཧ GPSจʹΑΔ܁Γฦ͠ॲཧ 9Λ$PM/VNͰ࣮ࢪ GPS JJOMFOHUI $PM/VN \ JG $PM/VN<J> \
DBU $PM/VN<J> ^FMTF\ DBU $PM/VN<J> ^ Մಡੑ6QͷͨΊۭനΛՃ ^
܁Γฦ͠ॲཧ XIJMFจʹΑΔ܁Γฦ͠ॲཧ ݁Ռͷ߹ܭ͕Ҏ্ʹͳΔ·Ͱ݅ذͷॲཧΛ܁Γฦ͢ 9 $PM/VN<> SFT JGFMTF 9 9 9
XIJMF SFT \ SFT JGFMTF SFT SFT SFT SFT SFT SFT DBU SFT ^
.&/6 σʔλܕͱσʔλߏ σʔλܕɿܕɺจࣈܕɺϑΝΫλʔܕ σʔλߏɿϕΫτϧɺσʔλϑϨʔϜɺϦετ ೖͱݺͼग़͠ ೖͱॱ൪ ݅ذ
JGจ JGFMTFจ ܁Γฦ͠ॲཧ GPSจͱXIJMFจ ࣮ફ ࣗ༻ͷؔΛ࡞Ζ͏ ൃల ܁Γฦ͠ͰෳͷਤΛඳ͜͏
࣮ફࣗ༻ͷؔΛ࡞Ζ͏ ܁Γฦ͠͏൚༻తͳॲཧؔʹ͢Δ ໊ؔ GVODUJPO Ҿ \ ؔʹ͍ͨ͠ॲཧ SFUVSO ͍ͨ݁͠Ռ ^
໊ؔʹGVODUJPOؔͰ࡞ͨؔ͠Λೖ
࣮ફࣗ༻ͷؔΛ࡞Ζ͏ ࣗ༻ͷؔΛ࡞Ζ͏ حΛผͯ͠Λ͔͚Δ݅ذΛؔʹ͢Δ GVOD.VMUJQMZ0EE/VN GVODUJPO 9 \ Ҿ9ͷॳظΛࢦఆ͓ͯ͘͠ SFT JG 9 \
DBU 9 ^FMTF\ DBU 9 ^ ͋ͱͰSFUVSOͰ݁ՌΛݺͼग़͢μϝʹSFTʹ݁ՌΛೖ SFUVSO SFT ^
.&/6 σʔλܕͱσʔλߏ σʔλܕɿܕɺจࣈܕɺϑΝΫλʔܕ σʔλߏɿϕΫτϧɺσʔλϑϨʔϜɺϦετ ೖͱݺͼग़͠ ೖͱॱ൪ ݅ذ
JGจ JGFMTFจ ܁Γฦ͠ॲཧ GPSจͱXIJMFจ ࣮ફ ࣗ༻ͷؔΛ࡞Ζ͏ ൃల ܁Γฦ͠ͰෳͷਤΛඳ͜͏
ൃల܁Γฦ͠ͰෳͷਤΛඳ͜͏ ܁Γฦ͠ॲཧΛͬͯ*SJTͷछ͝ͱͷࢄਤΛඳ͘ ࠓճͷॲཧ௨ৗޮతʹඳ͘ͳΒ ܁Γฦ͠ॲཧͰඳ͔ͳ͍༰ ܁Γฦ͠ॲཧͷ࿅श༻ ͑ίʔυ͔Βͳͥͦ͏ͳΔͷ͔ɺͬͱΑ͘ ͢ΔͨΊʹͲ͏ͨ͠Βྑ͍͔ߟ͑Δࡐྉఏڙ
ൃల܁Γฦ͠ͰෳͷਤΛඳ͜͏ JSJTͷछྨ͝ͱʹࢄਤΛඳ͘ ४උ JSJTͷछྨͷநग़ DMBTT*SJT-JTU VOJRVF *SJT%BUB4QFDJFT VOJRVF ॏෳͷͳ͍σʔλΛநग़ GPS
JJOMFOHUI DMBTT*SJT-JTU \ EBU *SJT%BUB<*SJT%BUB4QFDJFT DMBTT*SJT-JTU<J> > 4QFDJFT͕DMBTT*SJT-JTU<J>ͱಉ͡ߦ͚ͩநग़ QMPU Y EBU4FQBM-FOHUI Z EBU4FQBM8JEUI NBJO DMBTT*SJT-JTU<J> YMBC 4FQBM-FOHUI ZMBC 4FQBM8JEUI Y͕࣠4FQBM-FOHUIɺZ͕࣠4FQBM8JEUIͷࢄਤΛඳ͘ λΠτϧ͕छ໊ɺY͕࣠4FQBM-FOHUIɺZ͕࣠4FQBM8JEUI ͷදهʹͳΔΑ͏ʹௐ ^
ࢀরαΠτ 35JQT IUUQDTFOBSPBGGSDHPKQUBLF[BXBSUJQTSIUNM 3ͰϓϩάϥϛϯάɿσʔλͷҰׅॲཧͱάϥϑඳ͖ IUUQUBLFOBLBBLJPPSHEPDS@BVUPJOEFYIUNM 3KQ8JLJ IUUQXXXPLBEBKQPSH38JLJ CJPTUBUJTUJDT IUUQTTUBUTCJPQBQZSVTKQ
&/+0:
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kaseken
skydoves
ayumu_yamaguchi
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lx_t
s_shimotori
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jonoalderson
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codingconduct
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brad_frost
uxyall
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eileencodes
thirion
