Hanamiを支える技術 2023 / Asakusa.rb Hanami 2023

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)BOBNJΛࢧ͑Δ ٕज़ !B@NBUTVEBେߐށ3VCZձٞ

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TFMG 🐼 RubyKaigi 🐼 Ruby 🐼 💎 🐼 Rails 🐼 WEB+DB PRESSͱࢲ 🐼 Asakusa.rb

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3VCZ,BJHJ

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3VCZ,BJHJ 🐼 https:/ /rubykaigi.org/2024/

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3VCZ,BJHJ

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3VCZ,BJHJ 🐼 σβΠφʔେืूதʂʂ

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3VCZ

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💎

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⚡ 🐼 https:/ /github.com/kaminari/ kaminari

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⚡

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3BJMT

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3BJMT࢖ͬͯΔਓʁ 🐼 ✋

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3BJMTҎ֎ͷ3VCZͷϑϨʔϜϫʔΫ࢖ͬͯΔ ਓʁ 🐼 ✋

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3BJMT

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8%#13&44ͱࢲ 🐼 Vol. 48 ಛू1ͷRubyฤ 🐼 Vol. 54 ͳΜ͔୹͍هࣄ 🐼 Vol. 58 Rails 3ಛू 🐼 Vol. 73 Rails 4ಛू 🐼 Vol. 100 ײಈͷ100߸ه೦ΤοηΠ 🐼 Vol. 111 Rails 6ಛू 🐼 Vol. 120 20प೥ه೦اը

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"TBLVTBSC

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೥ʹઃཱ

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ࠓ೥Ͱ"TBLVTBSCઃཱप೥ʂ 🐼 👏

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"TBLVTBSC͸ԿΛ΍͍ͬͯΔͷ͔ʁ

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.FFUVQ 🐼 ຖि 🐼 ຊ೔͕736ճ໨

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஍Ҭ3VCZձٞ 🐼 ʰେߐށRubyձٞʱ 🐼 ϝϯόʔͨͪͷੜ׆ൃදձ 🐼 1ʙ2೥ʹ1ճ͙Β͍ 🐼 ࠓճ͕10ճ໨

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ͦΕҎ֎ʹຖ೥΍ͬͯΔେࣄͳΠϕϯτ

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ͦΕҎ֎ʹຖ೥΍ͬͯΔେࣄͳΠϕϯτ 🐼 ৽೥ձ 🐼 Ֆݟ

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৽೥ձ 🐼 ೥ͷॳΊʹͪΐͬͱߴ͓͍͍ͯ͘͠΋ ͷΛ৯΂ΔΠϕϯτ

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ࠓ೥͸༽ͷؙম͖

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Ֆݟ 🐼 🌸ͷ࣌ظʹɺ۱ా઒ͷ઒ͬ΃Γʹே͔ Βू·ͬͯҿΉΠϕϯτ 🐼 2009೥4݄Ҏ߱ຖ೥։࠵

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"TBLVTBSC)BOBNJͷྺ࢙ 🐼 2009೥: 2009/03/29 http:/ /atnd.org/events/466 🐼 2010೥: 2010/03/27 http:/ /tweetvite.com/event/asakusarb_hanami2010 🐼 2011೥: 2011/04/02 http:/ /partake.in/events/382d18dc-88e1-4732-8b92-f9d26 ff e7e4a 🐼 2012೥: 2012/04/14 http:/ /qwik.jp/asakusarb/hack153.html 🐼 2013೥: 2013/03/30 https:/ /asakusarb.doorkeeper.jp/events/3362 🐼 2014೥: 2014/03/29 https:/ /connpass.com/event/5664/ 🐼 2015೥: 2015/04/04 https:/ /peatix.com/event/82419 🐼 2016೥: 2016/03/26 https:/ /asakusarb.esa.io/posts/9 🐼 2017೥: 2017/04/02 https:/ /asakusarb.esa.io/posts/823 🐼 2018೥: 2018/03/24 https:/ /asakusarb.esa.io/posts/875 🐼 2019೥: 2019/03/30 https:/ /techplay.jp/event/724321 🐼 2020೥: 2020/03/30 https:/ /atnd.org/events/112150 🐼 2021೥: ͳ͠ 🐼 2022೥: ͳ͠ 🐼 2023೥: 2023/03/21: https:/ /asakusarb.esa.io/posts/1137

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աڈͷ༷ࢠ

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೥

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೥

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ࠓ೔ͷຊ୊

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)BOBNJͷઃܭͱ࣮૷

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)BOBNJͷجຊཁ݅ 🐼 ઒ 🐼 ࡩ͕ຬ։ʹͳΔΑΓͪΐͬͱલ͙Β͍ͷ࣌ظ 🐼 ே͔Β࢝ΊΔ(͡Όͳ͍ͱ৔ॴ͕औΕͳ͍) 🐼 ໷·ͰμϥμϥҿΉ 🐼 ͨ·ʹӍ͕߱Δ

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઒ 🐼 օ͞Μɺ઒ͰҿΉͷ޷͖Ͱ͢ΑͶʁ

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)BOBNJͷجຊཁ݅ 🐼 ઒ 🐼 ࡩ͕ຬ։ʹͳΔΑΓͪΐͬͱલ͙Β͍ͷ࣌ظ 🐼 ே͔Β࢝ΊΔ(͡Όͳ͍ͱ৔ॴ͕औΕͳ͍) 🐼 ໷·ͰμϥμϥҿΉ 🐼 ͨ·ʹӍ͕߱Δ

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ͭ·Γɺ 🐼 ͕࣌ؒ௕͍ 🐼 פ͍ʂ

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T🍺🍶H

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ञ͸७ถɺᗎͳΒͳ͓ྑ͠

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🍶

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♨

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🔌

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🔥

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No content

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ٯڥͩʂʂ

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͍ͯ͏͔

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੍໿ͩͬʂʂ

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੍໿ 🐼 "Constraints are liberating" (DHH)

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੍໿ϑϨʔϜϫʔΫ

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ʮ)BOBNJϑϨʔϜϫʔΫʯ

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ʮ)BOBNJϑϨʔϜϫʔΫʯ 🐼 ՐΛ࢖Θͣʹɺ12͙࣌ؒΒ͍Ϳͬଓ͚ Ͱɺ઒Ͱ೤ᗎΛҿΉٕज़

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ඍົͳϥΠϯ

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ΧηοτίϯϩɺΞ΢τυΞ༻ͷόʔφʔྨ 🐼 🙅

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)BOBNJΛࢧ͑Δٕज़ᶃ

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ੜੴփ

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ԽֶతΞϓϩʔν 🐼 ੜੴփ + ਫ => ♨

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ܞଳ͓͔Μث

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"TBLVTBSCՖݟͰ͜ͷٕज़͕ಋೖ͞Εͨͷ ͸ɺ೥ʙ೥͝Ζ

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%FNP

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͜ͷΞϓϩʔνͷ໰୊఺ 🐼 ਫ͕ҰॠͰ෸ಅͯ͠͠·͏ 🐼 ൓Ԡ͕਺෼͔ؒ͠ଓ͔ͳ͍ 🐼 ࡉ͔͍Թ౓؅ཧ͕Ͱ͖ͳ͍

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)BOBNJΛࢧ͑Δٕज़ᶄ

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ి೤ௐཧͱͯ͠ͷᗎ෇͚

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௿Թௐཧث"OPWB 🐼 ೑քʹֵ໋͕ىͬͨ͜΍ͭ 🐼 ೔ຊञͷ🍶΋0.5౓୯ҐͰͷԹ౓ίϯτ ϩʔϧ͕Մೳʹͳͬͨ 🐼 ҰൠՈఉͰ඼࣭ͷอͨΕͨ೤ᗎΛ͚ͭΔ ʹ͸ɺ͜ͷ্ͳ͍σόΠε

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"TBLVTBSCͷΠϕϯτͳͲͰ΋೥ʙ ೥͝Ζ͔Β࢖ΘΕ͸͡Ίͨ

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"OPWB 🐼 ͔Μ͚͢Λ࢖Θͣͱ΋ಉ౳ͷΞ΢τϓο τ͕ग़ͤΔ 🐼 ܞଳੑʹ΋༏ΕΔ 🐼 ͍ͭͰʹ೑΋ௐཧͰ͖Δ

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"OPWB 🐼 ͜ΕΛHanamiϑϨʔϜϫʔΫʹ΋ಋೖ ͢Ε͹઒Ͱ🍶͕ವΊΔͷͰ͸ʂʁ

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)BOBNJΛࢧ͑Δٕज़ᶅ

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ిݯ

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ཁ݅ 🐼 ઒Ͱ🍶Λి೤ௐཧ͍ͨ͠

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ࡂ֐࣌༻ͷϙʔλϒϧόοςϦʔ

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͜͏͍͏΍ͭ

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"OPWBΛͭͳ͛ͯεΠονΦϯʂ

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ͱ͜Ζ͕ɺ

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ҰॠͰిݯམͪΔ

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ࣦഊ

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Կނ͔ʁ

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"OPWBͷܽ఺ 🐼 ΊͬͪΌిؾ৯͏ 🐼 1000W͙Β͍ඞཁ 🐼 ਺ສԁΫϥεͷϙʔλϒϧόοςϦʔ ͷిྗͰ͸ͥΜͥΜແཧ

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͖ͬ͞ͷ"OLFS1PXFS)PVTFͷεϖο Ϋ

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͖ͬ͞ͷ"OLFS1PXFS)PVTFͷ৔߹ 🐼 100W͕max

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΋ͬͱ௿ফඅిྗͰ͓౬Λ෸͔ͤΔσόΠε ͸ͳ͍΋ͷ͔ʁ

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ͱɺࢥ͍ͬͯͨͱ͜Ζɺ೥ʹಥ೗ٹੈ ओ͕ొ৔ʂ

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)BOBNJΛࢧ͑Δٕज़ᶆ

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ञᗎثͷΜ΂͑ԣஸ /#& 🐼 https:/ /www.ginzado.ne.jp/ ~mitsutani/cooking_coner/ nbe-1.html

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ͷΜ΂͑ԣஸͷεϖοΫ

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ͷΜ΂͑ԣஸͷεϖοΫ 🐼 ͓౬Λ100℃·Ͱ෸͔͢͜ͱ͸Ͱ͖ͳ͘ ͯɺ࠷େ60℃·Ͱɺͱ͍͏🍶ʹಛԽ͠ ͨΨδΣοτ 🐼 ফඅిྗ͸ͨͬͨͷ200Wʂ

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8ͷిྗ 🐼 ͖ͬ͞ͷPower House 200Ͱ͸ແཧ 🐼 Ͱ΋ɺ΋͏ͪΐͬͱ͔ͪΒͮΑ͍όο ςϦʔΛങ͑͹͍͍͚ͩ

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)BOBNJΛࢧ͑Δٕज़ᶇ

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🔋 🐼 Battery is found in me!

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๻͕࣋ͬͯΔ΍ͭ͸͜Ε

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"OLFS1PSUBCMF1PXFS4UBUJPO 🐼 https:/ /www.ankerjapan.com/ collections/powerhouse/ products/a1751

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"OLFS1PSUBCMF1PXFS4UBUJPOͷε ϖοΫ

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͜ΕͳΒిྗ໰୊͸ָʑΫϦΞʂ

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͔͠͠ɺॏ͍ʂ

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͔͠͠ɺॏ͍ʂ

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)BOBNJͰ͸ɺ͜ͷΫϥεͷ🔋͕جՔಇ 🐼 @tagomoris ϝϯόʔ͕΋ͬͱڧྗͳ ΍ͭΛ࣋ࢀ

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ϞϦε🔋

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͞Βʹॏ͍ʂ

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🔋΂ΜΓ 🐼 ͷΜ΂͑ԣஸͰ🍶͕͚ͭΕΔ 🐼 ͍ͭͰʹɺࡂ֐࣌ʹ҆৺Ͱ͖Δ 🐼 εϚϗͱ͔ύιίϯ͕ॆిͰ͖Δ

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ͨͩ͠ɺΧδϡΞϧʹ࣋ͪา͘ʹ͸ॏ͗͢Δ 🐼 ࠊ͕ͿͬյΕͦ͏ͳ༧ײ……

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)BOBNJΛࢧ͑Δٕज़ᶈ

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ᗎʹͨ͠Β͓͍͍͠७ถञ

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%FNP

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)BOBNJΛࢧ͑Δٕज़ᶉ

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Ϛοτ

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౰ॳ͸ϖϥϖϥͷϒϧʔγʔτΛ஍໘ʹෑ͍ ͯͨ 🐼 ఈྫྷ͕͍͑͢͝ʂ

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ͦ͜ͰΞ΢τυΞ༻ͷϚοτΛಋೖ 🐼 ஍໘͔Βͷྫྷ͑Λ׬શʹγϟοτΞ΢ τͰ͖ͯɺΊͬͪΌշదʹͳͬͨ 🐼 Ξ΢τυΞ༻඼͍͢͝

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)BOBNJΛࢧ͑Δٕज़ᶊ

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🍕

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ϖοΫ࠷ߴ 🐼 ઙ૲ΤϦΞ࠷ڧͷ୐഑ϐβ԰ 🐼 ి࿩ͨ͠Β઒·Ͱಧ͚ͯ͘ΕΔ

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)BOBNJΛࢧ͑Δٕज़ᶋ

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͏ʹ

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'VUVSF8PSLT

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΋ͬͱ௿ফඅిྗͰ♨͍ͨ͠ 🐼 γΨʔιέοτ(12V or 24V)Λ࢖͏΍ͭ ͱ͔

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͋Δ͍͸ൃిʁ 🐼 ଠཅޫ 🐼 ۱ా઒ͷਫྗ 🐼 ϞϦε͞ΜʹνϟϦϯίΛ૨͕ͤΔ 🐼 ͍ͬͨΜ෸͍ͯ͠·͑͹6Wఔ౓ʹ͓͑͞ΒΕΔ 🐼 ϒʔτετϥοϓ༻ͷ೤౬͚ͩຐ๏ළ͔ͳʹ͔Ͱ࣋ͬ ͯ͘Ε͹ɺͦΜͳ͍͢͝όοςϦʔ͸ෆཁʁͳͷ͔ʁ