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3VCZJTUͱٕज़هࣄ
ʙͳͥॻ͘ͷʁͲ͏ॻ͘ͷʁԿ͕ى͖Δͷʁʙ
גࣜձࣾιχοΫΨʔσϯ
ҏ౻३Ұ
ؔ3VCZձٞ
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ABOUT ME
ҏ౻३Ұ
➤ େࡕ๛தࢢग़
➤ ฌݿݝࢢࡏॅ
➤ גࣜձࣾιχοΫΨʔσϯ
➤ 3BJMTϓϩάϥϚ
➤ ϦϞʔτϫʔΧʔ
➤ 15"ձ
➤ ࢢγςΟϓϩϞʔγϣϯ
➤ Ϊλʔ͖
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ͷՈͷपΓ͜Μͳײ͡
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্݄०ϗλϧ͕ݟ͝Ζʂ
IUUQIBUTVUPLJDPNCMPHFCEFBFFBEBFBG
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3VCZJTUͱٕज़هࣄ
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Rubyistͱٕज़هࣄ
➤ ٕज़هࣄΛॻ͘ʹݟͷΦʔϓϯιʔεԽ
➤ ࠔΔɺάάΔɺॿ͔ͬͨʂͷαΠΫϧΛΊΔ
➤ ंྠͷ࠶ൃ໌Λ͙
➤ 3VCZʹؔ͢Δٕज़هࣄଞͷ3VCZϓϩάϥϚΛٹ͏
➤ ͚ਓͷͨΊͳΒͣ
➤ ٕज़هࣄΛॻ͍ͯɺ͓ޓ͍ͷͨΊʹߩݙ͠Α͏ʂ
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ͨͩ͜͠ΕҰൠ
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͔͜͜Βݸਓͷ
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ΞδΣϯμ
➤ ͜Ε·Ͱͷ׆ಈ༰
➤ ͳͥॻ͘ͷʁ
➤ ԿΛॻ͘ͷʁ
➤ ͍ͭɺͲ͏ॻ͘ͷʁ
➤ ϝσΟΞͷ͍͚ʁ
➤ Կ͕ى͖Δͷʁ
➤ ʁʁʁͷ
➤ ٕज़هࣄ2"
➤ ·ͱΊ
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͜Ε·Ͱͷ׆ಈ༰
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͜Ε·Ͱͷ׆ಈ༰ɾͦͷ̍
➤ ϒϩάΛॻ͘
➤ HJWF*5BUSZ
➤ ݄ʙݱࡏʢʣ
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͜Ε·Ͱͷ׆ಈ༰ɾͦͷ̎
➤ 5XJUUFSͰٕज़ωλΛπΠʔτ͢Δ
➤ !KODIJUP
➤ ݄ʙݱࡏʢʣ
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͜Ε·Ͱͷ׆ಈ༰ɾͦͷ̏
➤ 2JJUBʹهࣄΛॻ͘
➤ IUUQRJJUBDPNKODIJUP
➤ ݄ʙݱࡏʢ΄΅ʣ
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͜Ε·Ͱͷ׆ಈ༰ɾͦͷ̐
➤ ༁ॻʢిࢠॻ੶ʣͷൃച
➤ &WFSZEBZ3BJMT34QFDʹΑΔ3BJMTςετೖ
➤ ݄ʢͪΐͬͱલʣ
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͜Ε·Ͱͷ׆ಈ༰ɾͦͷ̑
➤ ۀࢽͷدߘ
➤ 4PGUXBSF%FTJHOࢽ
➤ ݄߸ɺ݄߸ɺ݄߸ɺ݄߸
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ࣈͰݟΔ׆ಈ࣮
➤ ϒϩά
➤ 17ສ17݄ʢ17ʣ
➤ ಡऀਓʢͯͳʣ ਓʢ'FFEMZʣ
➤ ͯͳϒοΫϚʔΫ࠷ߴ݅
➤ 2JJUB
➤ $POUSJCVUJPO݅ʢ૯߹Ґʣ
➤ 3VCZλάɺ3BJMTλάϥϯΩϯάҐ
➤ ϑΥϩϫʔਓ
➤ ͍͍Ͷ࠷ߴ݅
݄࣌
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Έͳ͞Μʹ࣭ʂ
➤ ԿΒ͔ͷܗͰͷ͜ͱΛ͍ͬͯΔਓ"ʂ
➤ ϒϩά2JJUBهࣄΛಡΜͩ͜ͱ͕͋Δ
➤ 5XJUUFSͰϑΥϩʔ͍ͯ͠Δ
➤ &WFSZEBZ3BJMTΛߪೖͨ͠
➤ ͳΜ͔͜ͷإʹݟ͕֮͑͋Δˣ
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ͳͥॻ͘ͷʁ
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ͳͥॻ͘ͷʁ
➤ ༗໊ʹͳΓ͍ͨʂ
➤ όζΒ͍ͤͨʂ
➤ ͓ۚΛՔ͍͗ͨʂ
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ͳͥॻ͘ͷʁ
➤ ༗໊ʹͳΓ͍ͨʂ
➤ όζΒ͍ͤͨʂ
➤ ͓ۚΛՔ͍͗ͨʂ
/P
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ຊͷཧ༝
➤ ࠔΔɺάάΔɺॿ͔ͬͨʂͷΪϒΞϯυςΠΫ
➤ ड͚औΔ͚ͩͰਃ͠༁ͳ͍
➤ ࣗ୭͔ʹ༩͍͑ͨ
➤ ॿ͔ͬͨɺ͋Γ͕ͱ͏ʂͷ͕ͭͰ͋Εخ͍͠
IUUQTUXJUUFSDPNDPIBLJNTUBUVT
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ԿΛॻ͘ͷʁ
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ԿΛॻ͘ͷʁ
➤ ͪΐͬͱલ·Ͱ͕ࣗࠔͬͯͨ͜ͱ
➤ पΓͷ։ൃऀ͕Αͭ͘·͍͍ͮͯΔ͜ͱ
➤ ʮઈରࠔ͍ͬͯΔਓ͕͍Δͣʂʯͱࢥ͑Δ͜ͱ
➤ ࠔͬͨɺάάΔɺॿ͔ͬͨʂͷྲྀΕΛΠϝʔδ͢Δ
➤ ʮࠔ͍ͬͯΔʯΛʮΓ͕͍ͨͬͯΔʯʹஔ͖͑ͯྑ͍
➤ ྫ͖ͬͱΈΜͳɺ3VCZͷมߋΛΓ͕͍ͨͬͯΔ
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͍ͭɺͲ͏ॻ͘ͷʁ
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͍ͭɺͲ͏ॻ͘ͷʁ
➤ ىচ͔ͯ͠ΒࣄΛ࢝ΊΔ·Ͱͷ࣌ؒͰॻ͘
➤ ே͔࣌࣌ʙ͙࣌Β͍ͷؒ
➤ ਖ਼ຯͷࣥච࣌ؒฏۉʙ࣌ؒ
➤ ެ։લʹԿಡΈͯ͠ߍਖ਼͢Δ
➤ ༰ʹؒҧ͍͕ແ͍͔ʁ
➤ ΑΈ͢͞ʁΘ͔Γ͢͞ʁ
➤ ެ։ޙͰߍਖ਼͢Δ
➤ େ͖͘༰͕มΘͬͨ߹ͦͷࢫΛ໌ه͢Δ
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Θ͔Γ͍͢هࣄΛॻͨ͘Ίʹ
➤ ಡऀϑΝʔετ
➤ ࠔ͍ͬͯΔਓ͕ͷલʹ͍ΔͭΓͰॻ͘
➤ ࠔ͍ͬͯΔਓͷؾཱ࣋ͪΛ૾͠ͳ͕Βॻ͘
➤ ʢࣗͷͨΊͰͳ͘ʣࠔ͍ͬͯΔਓͷͨΊʹॻ͘
➤ ͦͷٕज़ͷ͓͍͠͞ΛҾ͖ग़ͤΔɺ࣮ફతͳྫΛग़͢
➤ จষͱίʔυΛόϥϯεྑ͘͢Δ
➤ λΠτϧॏཁʂ
➤ ຊจΛదʹཁ͢Δɺநతʹ͗͢͠ͳ͍
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ϝσΟΞͷ͍͚ʁ
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Qiitaͱϒϩάͷ͍͚
➤ 2JJUB
➤ ٕज़ωλΦϯϦʔ
➤ ίʔυͷׂ߹͕ଟ͍هࣄɺެӹੑͷߴ͍هࣄ
➤ ٕज़ऀͰͷ4/4తͳ֦ࢄΛૂ͏
➤ 2JJUB͋͘·ͰʮΈΜͳͷʯɺओٕज़
➤ ϒϩά
➤ ඇٕज़ωλ0,
➤ ίʔυͷׂ߹͕গͳ͍هࣄɺϙΤϜͬΆ͍ٕज़هࣄ
➤ ࠂ͓Βͤʢ2JJUBهࣄͷϦϯΫΛؚΉʣ
➤ ϒϩά͋͘·Ͱʮࣗͷఉʯɺओ
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ͦͷଞʢTwitterͱYouTubeʣ
➤ 5XJUUFS
➤ ৽࡞هࣄͷ͓Βͤ
➤ ཱ͓ٕͪज़ใͷγΣΞ
➤ ࣗͷײཁΛඞͣೖΕΔओٛ
➤ :PV5VCF
➤ ٕज़ܥεΫϦʔϯΩϟετ
➤ ޱͱը໘Ͱઆ໌ͨ͠ํ͕ૣ͍߹
➤ 2JJUBهࣄϒϩά͔ΒϦϯΫͤ͞Δ
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Կ͕ى͖Δͷʁ
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Կ͕ى͖Δͷʁ
➤ จষ͕͏·͘ͳͬͨɺจষྗʹࣗ৴͕͍ͨ
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ࢀߟɿॳظͷϒϩά
࠷ॳͷϒϩάͻͲ͔ͬͨ
ୈ̍ճ
ୈ̎ճ
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Կ͕ى͖Δͷʁ
➤ จষ͕͏·͘ͳͬͨɺจষྗʹࣗ৴͕͍ͭͨ
➤ 3VCZք۾Ͱͷ্໊͕͕ͬͨ
➤ ࢥ͍͕͚ͳ͍ίϯλΫτ͕ͱ͖Ͳ͖ೖΔ
➤ ࡶࢽʹدߘ͠·ͤΜ͔ʁ
➤ ৽ฉهࣄʹͤͯ͞Β͑·ͤΜ͔ʁ
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ࢀߟɿ৽ฉʹࡌΓ·ͨ͠
ਆށ৽ฉઁ൛ʢ݄ʣ
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Կ͕ى͖Δͷʁ
➤ จষ͕͏·͘ͳͬͨɺจষྗʹࣗ৴͕͍ͭͨ
➤ 3VCZք۾Ͱͷ্໊͕͕ͬͨ
➤ ࢥ͍͕͚ͳ͍ίϯλΫτ͕ͱ͖Ͳ͖ೖΔ
➤ ࡶࢽʹدߘ͠·ͤΜ͔ʁ
➤ ৽ฉهࣄʹͤͯ͞Β͑·ͤΜ͔ʁ
➤ 3VCZ.JOFϒϩάʹهࣄΛॻ͖·ͤΜ͔ʁ
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ࢀߟɿRubyMineެࣜϒϩάʹدߘ͠·ͨ͠
IUUQTCMPHKFUCSBJOTDPNSVCZXIZZPVTIPVMEOPUVTF
BDMBTTBTBOBNFTQBDFJOSBJMTBQQMJDBUJPOT
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Կ͕ى͖Δͷʁ
➤ จষ͕͏·͘ͳͬͨɺจষྗʹࣗ৴͕͍ͭͨ
➤ 3VCZք۾Ͱͷ্໊͕͕ͬͨ
➤ ࢥ͍͕͚ͳ͍ίϯλΫτ͕ͱ͖Ͳ͖ೖΔ
➤ ࡶࢽʹدߘ͠·ͤΜ͔ʁ
➤ ৽ฉهࣄʹͤͯ͞Β͑·ͤΜ͔ʁ
➤ 3VCZ.JOFϒϩάʹهࣄΛॻ͖·ͤΜ͔ʁ
➤ ॿ͔ͬͨɺ͋Γ͕ͱ͏ʂͷײΑ͘ݟ͔͚Δ
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ࢀߟɿ͋Γ͕ͱ͏ͷπΠʔτͷྫ
IUUQTUXJUUFSDPNUXPOEFSMBOETUBUVT
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Կ͕ى͖Δͷʁ
➤ จষ͕͏·͘ͳͬͨɺจষྗʹࣗ৴͕͍ͭͨ
➤ 3VCZք۾Ͱͷ্໊͕͕ͬͨ
➤ ࢥ͍͕͚ͳ͍ίϯλΫτ͕ͱ͖Ͳ͖ೖΔ
➤ ࡶࢽʹدߘ͠·ͤΜ͔ʁ
➤ ৽ฉهࣄʹͤͯ͞Β͑·ͤΜ͔ʁ
➤ 3VCZ.JOFϒϩάʹهࣄΛॻ͖·ͤΜ͔ʁ
➤ ॿ͔ͬͨɺ͋Γ͕ͱ͏ʂͷײΑ͘ݟ͔͚Δ
➤ ଟগͳΓͱɺଞͷٕज़ऀʹߩݙͰ͖͍ͯΔͷͰ
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͍͍ɺҏ౻͞Μʂ
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͖Ε͍͝ͱݴ͏ͯΜʁ
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ͿͬͪΌ͚·͠ΐ͏Αʁ
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͏͔ͬͯΔΜͱͪΌ͏Μʁ
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͓ۚͷ
IUUQTXXXGMJDLSDPNQIPUPTQJDUVSFTPGNPOFZ
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͏͔Γ·͔ͬʁ
➤ ࢧग़
➤ ಠࣗυϝΠϯ ԁ݄
➤ ͯͳϒϩά1SP ԁ݄
➤ ऩೖ
➤ "NB[POΞϑΟϦΤΠτ ฏۉສͪΐͬͱ݄
➤ ͦͷଞͷྟ࣌ऩೖ
➤ աڈͷٕज़هࣄΛϕʔεʹͨ͠ࡶࢽهࣄͷࣥචʢֹۚඇެ։ʣ
➤ ݁ɿ΅ͪ΅ͪͰΜͳ͋
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ٕज़هࣄͱ͓ۚͷ
➤ ͓ۚͷͨΊʹٕज़هࣄॻ͔ͳ͍
➤ هࣄͱແؔͳࠂೖΕͳ͍
➤ ͓ۚతʹͳͬͯ͠·͏ͱɾɾɾ
➤ ظతͳޮՌ͕ཉ͘͠ͳΔ
➤ ಡऀͷϝϦοτΑΓࣗͷϝϦοτΛ༏ઌͯ͠͠·͏
➤ ޮՌ͕ग़ͳ͍ͱ͙͢Ίͯ͠·͏
➤ ͓ۚΑΓɺ৴པϨϐϡςʔγϣϯ
➤ ͔͔࣌ؒΔ͕ɺҰߏஙͰ͖Ε࣋ଓ͍ͤ͢͞
➤ ʮ͋ͷҏ౻͞Μ͕ݴ͏͜ͱͳΒʯͱҰஔ͔ΕΔଘࡏΛࢦ͍ͨ͠
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ٕज़هࣄ2"
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ٕज़هࣄQ&A
22JJUBͱϒϩάͷ͍͚ʁ
➤ ίʔυͷׂ߹͕ଟ͍هࣄɺެӹੑͷߴ͍هࣄ2JJUB
2ʮಡऀʹ͑ΔʯͨΊʹؾΛ͚͍ͯΔ͜ͱʁ
➤ ࠔ͍ͬͯΔਓΛࢥ͍ඳ͖ͳ͕Βॻ͘
2ࣥච࣌ؒΛ͘͢Δίπʁ
➤ ࣌ؒΛؾʹͨ͜͠ͱ͕ͳ͍ɻͦΕΑΓΘ͔Γ͢͞ॏࢹ
2ڹ͕ແͯ͘Α͘ϔίΈ·͢ɻ͜ΕΛࠀ͢Δʹʁ
➤ ૂͬͯͲ͏ͤͨΒͳ͍ɻ݅Ͱڹ͕͋Εޭͱߟ͑Δ
2ॻ͖͍͚ͨͲॻ͚ͳ͍ɻ࣌ؒͳ͍ɻͲ͏͢Εʁ
➤ λεΫཧΛ͔ͬ͠ΓɻλεΫΛৗʹ͕͘ॴʹஔ͘
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ͷλεΫཧγʔτ
ग़యɿ"༻ࢴΛͬͨࣗྲྀͷλεΫཧज़ͱηϧϑϚωδϝϯτHJWF*5BUSZ
λεΫΛॻ͘
ऴΘͬͨΒফ͢
͜ͷγʔτΛ
ৗʹखݩʹஔ͘
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ٕज़هࣄࣥචʹཱͭϦϯΫू
ࠓͷͷৄࡉɺϥΠςΟϯάςΫχοΫΛհͯ͠·͢
➤ ͋ͳͨͷϒϩάʹʮ8**': ΟοϑΟʔ
ʯ͋Γ·͔͢ʁ
➤ ͕࣮ફ͍ͯ͠Δϒϩάͷॻ͖ํ
➤ ͕ϒϩάΛॻ͘લɺॻ͘ͱ͖ɺॻ͍ͨ͋ͱ
➤ ͕ϒϩάΛॻ͘ཧ༝
➤ ͕ϒϩάಈըʹࠂΛࡌͤͳ͍ཧ༝
➤ Ίͷϒϩά2JJUBهࣄΛॻ͘ͱ͖ͷɺͳΓͷϊϋ
➤ ϒϩά͕Ԍ্͠ͳ͍Α͏ʹ͕ؾΛ͚͍ͭͯΔͭͷ͜ͱ
➤ ࣗͷϒϩά͕͋Δಥવόζͬͨͱ͖ʹؾΛ͚ͭΔ͜ͱ
➤ ݸਓతͳྑ͍هࣄͷΨΠυϥΠϯ
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·ͱΊ
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·ͱΊ
ͳͥॻ͘ͷʁ
➤ ࠔΔɺάάΔɺॿ͔ͬͨʂͷΪϒΞϯυςΠΫ
͍ͭɺԿΛɺͲ͏ॻ͘ͷʁ
➤ ேى͖͔ͯΒɺ୭͔ࠔͬͯͦ͏ͳ͜ͱΛɺͦͷਓΛ૾͠ͳ͕Β
Կ͕ى͖Δͷʁ
➤ ্໊͕͕ͬͨΓɺίϯλΫτ͕ೖͬͨΓɺײँ͞ΕͨΓ
͏͔Δͷʁ
➤ ΅ͪ΅ͪͰΜͳ͋ɻͰ͓ۚΑΓ৴པϨϐϡςʔγϣϯ͕େࣄ
ɾɾɾͱ͍͏ͷ͕ݸਓͷͷ·ͱΊ
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·ͱΊʢ;ͨͨͼҰൠʣ
➤ ٕज़هࣄΛॻ͘ʹݟͷΦʔϓϯιʔεԽ
➤ ࠔΔɺάάΔɺॿ͔ͬͨʂͷαΠΫϧΛΊΔ
➤ ंྠͷ࠶ൃ໌Λ͙
➤ 3VCZʹؔ͢Δٕज़هࣄଞͷ3VCZϓϩάϥϚΛٹ͏
➤ ͚ਓͷͨΊͳΒͣ
➤ ٕज़هࣄΛॻ͍ͯɺ͓ޓ͍ͷͨΊʹߩݙ͠Α͏ʂ
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͓͠·͍ɾɾɾ
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ͷલʹ͓Βͤ
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Կ͕ى͖Δͷʁ
➤ จষ͕͏·͘ͳͬͨɺจষྗʹࣗ৴͕͍ͭͨ
➤ 3VCZք۾Ͱͷ্໊͕͕ͬͨ
➤ ࢥ͍͕͚ͳ͍ίϯλΫτ͕ͱ͖Ͳ͖ೖΔ
➤ ࡶࢽʹدߘ͠·ͤΜ͔ʁ
➤ ৽ฉهࣄʹͤͯ͞Β͑·ͤΜ͔ʁ
➤ 3VCZ.JOFϒϩάʹهࣄΛॻ͖·ͤΜ͔ʁ
➤ ॿ͔ͬͨɺ͋Γ͕ͱ͏ʂͷײΑ͘ݟ͔͚Δ
➤ ଟগͳΓͱɺଞͷٕज़ऀʹߩݙͰ͖͍ͯΔͷͰ
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Կ͕ى͖Δͷʁ
➤ จষ͕͏·͘ͳͬͨɺจষྗʹࣗ৴͕͍ͭͨ
➤ 3VCZք۾Ͱͷ্໊͕͕ͬͨ
➤ ࢥ͍͕͚ͳ͍ίϯλΫτ͕ͱ͖Ͳ͖ೖΔ
➤ ࡶࢽʹدߘ͠·ͤΜ͔ʁ
➤ ৽ฉهࣄʹͤͯ͞Β͑·ͤΜ͔ʁ
➤ 3VCZ.JOFϒϩάʹهࣄΛॻ͖·ͤΜ͔ʁ
➤ ຊΛࣥච͠·ͤΜ͔ʁˡ/&8
➤ ॿ͔ͬͨɺ͋Γ͕ͱ͏ʂͷײΑ͘ݟ͔͚Δ
➤ ଟগͳΓͱɺଞͷٕज़ऀʹߩݙͰ͖͍ͯΔͷͰ
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ٕज़ॻ͕ग़·͢ʂ
ʮϓϩΛࢦ͢ਓͷͨΊͷ3VCZೖʯ
➤ ҏ౻३Ұஶ
➤ ݄ൃച
➤ #มܕϖʔδ
➤ ग़൛ࣾɿٕज़ධࣾ
˞্ه༰ݱ࣌ͷ༧ఆͰ͢ɻ
ͲΜͳຊͳͷʁ
➤ 2JJUBͰఆධͷ͋Δஸೡͳղઆ
➤ 5%%ˍνϡʔτϦΞϧܗࣜͷྫ
➤ ։ൃͷݱͰཱ͕ͭࣝຬࡌ
ϓϩΛࢦ͢ਓͷͨΊͷ
3VCZೖ
ҏ౻३Ұஶ
ٕज़ධࣾ
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