Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Sign up for free
Menu
Search
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Pricing
Search
Sign in
Sign up for free
Rails Developers Meetup
Search
Sponsored
·
Your Podcast. Everywhere. Effortlessly.
Share. Educate. Inspire. Entertain. You do you. We'll handle the rest.
→
AKAMATSU Yuki
November 16, 2017
Technology
3.7k
6
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
Rails Developers Meetup
AKAMATSU Yuki
November 16, 2017
More Decks by AKAMATSU Yuki
See All by AKAMATSU Yuki
今年できたチームの生産性を向上させたプラクティスの紹介 / Kaigi on Rails 2022
ukstudio
4
5.1k
Cookpad Tech Kitchen #24
ukstudio
0
810
Cookpad Summer Internship 2019 Day 1 Git
ukstudio
0
10k
Cookpad Summer Internship 2019 Day 1 Ruby TypeScript
ukstudio
0
10k
sdevtalks.org開発報告 / reporting that sdevtalks.org was launched
ukstudio
0
390
GraphQL on Rails
ukstudio
1
480
「なんでも」をしよう / 2018-12-19 s-dev talks LT
ukstudio
2
590
Rails Developers Meetup 2018 Extreme
ukstudio
0
3.6k
機能追加時における 仮説検証/s-dev-talks-01
ukstudio
0
1k
Other Decks in Technology
See All in Technology
すぐできる衛星通信対応 あとは山奥に行くだけ
tatetate55
0
130
新機種発売前に見直そう!端末移行で再ログインが要るアプリ・要らないアプリは何が違うのか 〜シームレスに再開できる設計と実装〜
zozotech
PRO
0
190
AI de Idea
kawaguti
PRO
2
110
生成AIエージェントを用いた、 手動テスト手順書から自動テストへの 変換手法の検討
magicpod
0
160
10Xに技術的負債をもたらした「2つの境界の歪み」その構造と解消への営み
10xinc
0
1.9k
SREは、MCPとAutopilotをこう使え!
kazumax55
2
800
iOSDC Japan 2026 day1 TrackC 10:50
feedtailor
1
160
synctest時代のhttptest Go 1.27で変わるHTTPサーバテストの裏側 / go conference2026 synctest and httptest
budougumi0617
1
3k
2026/09/10 Spring Bootから Jakarta EE/MicroProfileへの移行
megascus
0
370
株式会社シーエーシー エンジニア向け会社紹介資料
cac
0
57k
越境するなら専門用語を使うな高校校歌 / If you wanna cross border, you shouldn't use jargon
vtryo
0
140
AI 時代のスタートアップエコシステ厶から考究する技術的負債との向き合い方
m3m0r7
PRO
2
2k
Featured
See All Featured
[SF Ruby Conf 2025] Rails X
palkan
3
1.4k
How to train your dragon (web standard)
notwaldorf
97
6.8k
Connecting the Dots Between Site Speed, User Experience & Your Business [WebExpo 2025]
tammyeverts
11
1k
Become a Pro
speakerdeck
PRO
31
6.3k
Paper Plane (Part 1)
katiecoart
PRO
2
11k
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
46
3k
Neural Spatial Audio Processing for Sound Field Analysis and Control
skoyamalab
0
500
Site-Speed That Sticks
csswizardry
13
1.5k
30 Presentation Tips
portentint
PRO
1
390
Utilizing Notion as your number one productivity tool
mfonobong
4
590
Sam Torres - BigQuery for SEOs
techseoconnect
PRO
0
540
sira's awesome portfolio website redesign presentation
elsirapls
0
410
Transcript
3BJMTͰ&$αʔϏεΛ θϩ͔Β࡞ͬͯΈͯ גࣜձࣾTQJDFMJGF $5045&&34ϓϩμΫτϚωʔδϟʔদ༞ر
45&&34ʹ͍ͭͯ w ΦϦδφϧ5γϟπൢചαʔϏε w ը૾ΞοϓϩʔυαʔϏε্ͷσβΠϯΤσΟλͰ5γϟπ ΛσβΠϯɾൢച w ઃఆͨ͠ൢചՁ֨ʹԠͯ͡จ͝ͱʹऩӹ͕ൃੜ
45&&34ʹ͍ͭͯ w ΦϦδφϧ5γϟπൢചαʔϏε w ը૾ΞοϓϩʔυαʔϏε্ͷσβΠϯΤσΟλͰ5γϟπ ΛσβΠϯɾൢച w ઃఆͨ͠ൢചՁ֨ʹԠͯ͡จ͝ͱʹऩӹ͕ൃੜ
νʔϜߏ w ϓϩμΫτϚωʔδϟʔ݉ΞϓϦέʔγϣϯΤϯδχΞ w Πϯϑϥ݉ΞϓϦέʔγϣϯΤϯδχΞ w σβΠφ
1E.ͱ։ൃऀ͕ಉҰਓͰ͋ΔϝϦοτ w ҙࢥૄ௨ͷίετ͕େ෯ݮ w Ϗδωεͱ։ൃͱͰೝࣝͷҧ͍ͱ͍͏ͷ͕جຊతʹൃੜ͠ͳ ͍
ೝࣝҧ͍ͷൃੜͱ w ྫ͑ w ϏδωεଆͷࢥʮͱΓ͋͑ͣ.71ͱͯ͠ϦϦʔεͯ͠ػೳͱͯ͠ඞཁ͔֬ ೝ͍ͨ͠ʯ w ։ൃଆͷࢥʮͱ͘ʹԿݴΘΕͯͳ͍͠ɺ࡞ΓࠐΜͰ͠·͍͍ͬͯΜͩΖ ͏ʯ w
Ϗδωεͱ։ൃͷརͷෆҰகͱ͔͋Δ w Ϗδωεച্ϦϦʔεεϐʔυΛؾʹ͢Δ͕ɺ։ൃଆকདྷతʹࣗୡ ͕ۤ࿑͠ͳ͍͔Ͳ͏͔Λؾʹ͢Δ w ։ൃʮԾઆݕূ͕͏·͍ͬͨ͘Β࡞Γͳ͓࣌ؒ͢Λ࡞Δ͘ΕΔͱݴ͚ͬͨͲ ͍ͭ͘Εͳ͍Μ͚ʜʯ w ҆શࡦͰෛ࠴Λ࡞Γ͜·ͳ͍ํΛͱΓ͕ͪ
ಉҰਓͷ߹ w ෛ࠴ΛੵΉͱͯ͠ͲΕ͙Β͍ۤ࿑ͦ͠͏͔ɺϏδωεతʹ ࠓޙͲ͏͍ͨ͠ͷ͔͕ࣗΘ͔͍ͬͯΔͷͰஅ͕ϥΫ w ۤ࿑͢ΔͷࣗͳͷͰɺͦ͜ΒΜʹର͢Δؾෛ͍͋· Γͳ͍
ͱ͍͑ʜ w ΓϢʔβʔͷߦಈ͕ࣗͱఆ͠ͳ͍ͷͩͬͨΓ͢Δ ͷͰɺ༧ఆ֎ͷ༷มߋ͕ൃੜ͢Δ w 45&&34ͷ߹ɺ࠷ॳγϯϓϧʹճͷจͰͻͱͭͷαΠ ζ͔͠ങ͑ͳ͔ͬͨ w ࣗͷΛങ͏ʹࣗͷαΠζ͚ͩങ͑ΕΑ͍ͱࢥͬ ͨ
w ͚ͩͲఆ֎ʹෳαΠζΛങ͍͍ͨਓ͕ଟ͔ͬͨ w ͳΔ΄ͲͶ͍ͬͯ͏͜ͱͰ%#ͷߏΛม͑ͯෳαΠζߪೖ ͷϦϦʔεΛߦͬͨ
ͭ·Γʜ w ߟ͑Δਓͱ࡞Δਓ͕ಉ͡ͰϢʔβʔ͕͍ΔҎ্ͯ͢εϜʔ ζʹߦ͘Θ͚Ͱͳ͍ w ࣗͻͱΓͩͱͦ͜ΒΜͷ༷มߋͷཧ༝ͱ͔ٕज़తͳΉͣ ͔͠͞Θ͔ΔͷͰೲಘײ͕͋Δ w ෳਓͷ߹ɺཧ༝͕։ൃʹΘΒ༷ͣมߋͷࢦ͚ࣔͩΘ Δͱඃऀతͳؾ࣋ͪʹͳΓ͕ͪ
w ͦ͜ΒΜͷίϛϡχέʔγϣϯ͕͏·͍͔͘ͳ͍ͱۭؾΘ Δ͘ͳΓ͕ͪ w ͜ͷลΓʹରͯࣗ͠ಛʹ͑Λ͍࣋ͬͯΔΘ͚Ͱͳ͍ ͚Ͳɺҙ͓ࣝͯ͘͠ͱΑͦ͞͏
3BJMTͷ w 3BJMT%FWFMPQFST.FFUVQͳͷͰ։ൃଆͷΛ w ͋·ΓίΞٕज़తͳ͕͋ΔΘ͚Ͱͳ͍ͷͰτϐοΫগ ͠ࢄؾຯʹͳΔ͔ w ಛผͳʹ͔͍͜͠ͱΛ͍ͯ͠ΔΘ͚͡Όͳ͍ͷͰɺ͋Δҙ ຯۙͳʹͳΔͱࢥ͏
։ൃʹ͓͍ͯߟ͍͑ͯͨ͜ͱ w ࣭ͱεϐʔυͷόϥϯεΛऔΓ͍ͨͱߟ͍͑ͯͨ w εϐʔυॏࢹ͗ͣ͢͠ɺ ࣗʹͱͬͯ ͋ͨΓ·͑ͷ͜ͱ ͋ͨΓ·͑ʹͪΌΜͱΔ w ػೳݸผͷઃܭ͋Δఔͬ͘͟ΓͰ0,ɻ࣍ΠδΔػձ͕
͋Εͦͷ࣌ʹ͢ w ٯʹશମͷઃܭํͳΔ͘ߟ͓͖͔͑ͯͨͬͨ
σʔλϕʔεઃܭ w ͪΌΜͱਖ਼نԽͱ֎෦ΩʔΛΔ w σʔλϕʔεͱσʔλͷෛ࠴ղফ͢Δͷ͕େมͳͷͰ࠷ ݶ͜Ε͙Β͍Δ w ͍Βͳ͍ςʔϒϧΓ͍ͨ͜ͱͱ߹Θͳ͍ઃܭʹͳͬͨΒ ͪΌΜͱ͢ w
ΞΫηε͕ଟ͘ͳ͚Εมߋʹରͯͦ͜͠·ͰγϏΞʹ ͳΔ͜ͱͳ͍ w ͦΕΑΓΑ͘Θ͔ΒΜઃܭͷςʔϒϧ͢ํ͕ࠔΔ
σʔλϕʔεͷ7JFX w ਖ਼نԽ͍ͯ͘͠ͱ/ ͷղফ+0*/ͷ͕ଟͯ͘3BJMT্ͷίʔ υͷݟ௨͕͠ΘΔ͘ͳΔ͜ͱ͕͋Δ w ͦͷͱ͖7JFXΛ༻ҙͯ͠ରॲ͢Δ w IUUQTHJUIVCDPNUIPVHIUCPUTDFOJD w
7JFXΛଟஈʹ͢Δͱ͋Δ7JFXͷߏΛม͍͑ͨͱ͖ʹ໘ʹͳ ΔͷͰҙ w ࣅͨཧ༝ͰΧϥϜՃ࣌ʹ͜·ΔͷͰ7JFXʹ࠷ݶͷΧϥϜ Λࢦఆ͢Δ΄͏͕Α͍ w ΞϓϦଆͱ%#ଆʹϩδοΫ͕͔ΕΔͷͪΐͬͱΈͲ͜Ζ
ϚΠάϨʔγϣϯ w εΩʔϚͷมߋͱσʔλͷೖͷཧΛΘ͚ΔΑ͏ʹͨ͠ w σʔλೖIUUQTHJUIVCDPNIBSSZTUFDI TFFE@NJHSBUJPOͰ w εΩʔϚͷมߋʹIUUQTHJUIVCDPNBOLBOF TUSPOH@NJHSBUJPOTΛೖΕͯΈͨ w
ةݥͳ%#มߋʹରͯ͠ܯࠂΛग़͢ w ৭ʑษڧʹͳ͚ͬͨͲɺࠓճෆཁ͔ͩͬͨͳͱࢥ͏
αʔϏεϨΠϠ w αʔϏεϨΠϠѱ͘ͳ͍͕ɺಋೖॳͷαʔϏεϨΠϠʹ ର͢ΔෆษڧͰඍົͳײ͡ʹ w "3ͷΠϯελϯεΛෳ͏Α͏ͳॲཧαʔϏεϨΠ ϠΈ͍ͨʹͯͨ͠
ߪೖॲཧ·ΘΓΛαʔϏεΫϥεʹ w ߪೖॲཧΔ͜ͱ͕ͨ͘͞Μ w ΫϨΧͷܾࡁॲཧɺจใͷӬଓԽɺϢʔβʔͷϝʔϧ ௨ͳͲͳͲʜ w ѻ͏Ϟσϧ͕ଟ͍͠ɺΔ͜ͱଟ͍ͷͰɺͦΕΛ·Δͬͱ αʔϏεΫϥε w
ॳίʔυ͕खଓ͖తʹࣗવͱͳΔͷͰͦΕͦΕͰϝϦο τ͕͋ͬͨ w ίʔυΛ࠶ར༻͢Δͱͳͬͨͱ͖ʹ͍·Θ͕͠Ͱ͖ͣʹࠔ ΔΊʹʜ
Ͳ͏͢ΕΑ͔ͬͨͷ͔ w αʔϏεϨΠϠग़དྷΔݶΓബ͘͢Δ w ͦ͏͢Δͱ3BJMTͷ߹ɺίϯτϩʔϥʔʹॻ͚͍͍ͬ ͍ͯ͏ͷଟʑ͋Δ w υϝΠϯϞσϧͷઃܭྗΛ͑Δ
ϑΥʔϜΫϥε w ਖ਼نԽ͢Δͱେମʹ͓͍ͯϑΥʔϜͱϞσϧ͕ʹͳΒͳ͍ w ϑΥʔϜ͝ͱʹϑΥʔϜΫϥεΛ࡞Δͷ͕݁ہϥΫ w ࣮IUUQUFDINFEQFFSDPKQFOUSZ Λࢀߟʹ͢Εେମ0,
όϦσʔγϣϯΛͲ͜Ͱߦ͏͔ w ͋ͱ͔ΒϑΥʔϜΫϥεΛಋೖͨ͠ͷͰॳϞσϧʹόϦ σʔγϣϯ͕͋ͬͨ w ϑΥʔϜΫϥεͷόϦσʔγϣϯΛϞσϧͷΠϯελϯ εʹͯ͠ϞσϧͰߦ͏
class Form def sync @model_a = ModelA.new(foo: @foo, bar: @bar)
@model_b = ModelB.new(hoge: @hoge) end def valid? sync @model_a.valid? && @model_b.valid? end end όϦσʔγϣϯΛͲ͜Ͱߦ͏͔
ϑΥʔϜΫϥεʹॻ͘ํʹγϑτ w ਓগͳ͍ͷͰϞσϧݺΜͰόϦσʔγϣϯ͞ΕͣࣄނΔ ͱ͍͏ͷগͳ͍ w ϑΥʔϜ࣮͢Δͱ͖ʹϑΥʔϜ୯ҐͰόϦσʔγϣϯߟ͑Δํ ͕ͳΜ͔ϥΫ w ϞσϧͰόϦσʔγϣϯ͢ΔͱࠔΔέʔε͋Δ w
ಛఆΧϥϜଞͷΧϥϜಉ࢜ͷܭࢉʹΑͬͯຒΊΒΕΔ߹ w όϦσʔγϣϯ࣌ʹܭࢉ͢ΔίετΛࢧ͏ඞཁ͕͋Δ w ·ͨϑΥʔϜͷΛόϦσʔγϣϯ͍ͨ͠ͷͰϑΥʔϜͰͦ ͜Λ͋·Γؾʹͨ͘͠ͳ͍
class Form def sync @model = ModelA.new(foo: @foo, bar: @bar)
end def valid? @model.valid? # hogeΛೖΕͯͳ͍ͷͰvalidʹͳΒͳ͍ end def save! hoge = (@foo + @bar) * rate @model.hoge = hoge @model.save! end end
ϑΥʔϜΫϥεʹॻ͘ํʹγϑτ w ͱ͍͑ΓϞσϧʹόϦσʔγϣϯ͕ͳ͍ͷʜ w ͋ͱࣅͨΑ͏ͳϑΥʔϜͰࣅͨΑ͏ͳόϦσʔγϣϯΛॻ͘ ͜ͱଟʑ w όϦσʔγϣϯΛ͍͍ײ͡ʹ·ͱΊͨϞδϡʔϧΛ࡞Δͱ Α͍ͷ͔ͳʜ
·ͱΊ w ϓϩμΫτϚωʔδϟʔͱ։ൃऀͷҙࢥૄ௨େࣄͩΑ w ͏ͪͷ߹݉Ͱͦ͜εΩοϓ͚ͨ͠Ͳɺݱ࣮ͦΕΛଓ ͚͍ͯ͘ͷͳ͔ͳ͔͍͠ w 3BJMT։ൃʹ͓͍ͯେ·͔ͳݪଇΛक͍ͬͯ͘ͷ͕جຊ w ݪଇʹ͍ͭͯษڧ͠Α͏
w ҙਤతʹखΛൈ͘ͱ͔Ͱͳ͍ݶΓɺ্ݶ͕ࣗͷ࣮ྗͰܾ·Δ w ͱݴ࣮͑Ϩϕϧͩͱܾ·Γख͕ͳ͍͜ͱଟ͍ w ͦͷลͷࢼߦࡨޡڪΕͳ͍