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
For Whom the Quality Exists
Search
Koichi ITO
September 27, 2018
Programming
1.9k
5
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
For Whom the Quality Exists
Code Review Meetup #4 (
https://sideci.connpass.com/event/98378
)
Koichi ITO
September 27, 2018
More Decks by Koichi ITO
See All by Koichi ITO
Reframing the Agile Manifesto
koic
5
4k
The NotImplementedError Problem in Ruby
koic
1
2.1k
Exploring RuboCop with MCP
koic
0
7.1k
Ruby and LLM Ecosystem 2nd
koic
1
2.3k
STYLE
koic
1
2.2k
Ruby and LLM Ecosystem
koic
3
13k
Write Code Every Day
koic
1
2.7k
Bliki (ja), and the Cathedral, and the Bazaar
koic
7
3.3k
Welcome to the LLM Club
koic
0
430
Other Decks in Programming
See All in Programming
What We Talk About When We Talk About XP
m_seki
2
450
AIエージェント時代のコードレビューを設計する
nogu66
6
2.6k
AI時代に学ぶ 好きなルール 嫌いなルール Linter編
shorty5121
0
900
Foundry Localでエージェント開発
seosoft
0
160
Claude Codeを組織的に動かして月400PRを実現した話
happy_ryo
0
260
市販E-Readerを乗っ取れ 〜Embedded Swiftで電子ペーパーガジェットを制御する〜
trickart
0
130
XHTMLが残したもの
yosuke_furukawa
PRO
2
500
Hello, Hiroshima Geospatial Data! — Exploring DoboX with Python
ra0kley
0
180
Webの地図
yosuke_furukawa
PRO
3
3.6k
kubernetes コンポーネント開発入門 / 新卒N年目の勉強会&交流会!〜〇〇への誘い〜 #n_study
mazrean
0
180
App Storeの外へ──日本のiOSサイドローディング入門 for iOSDC Japan 2026
yuukiw00w
0
110
[GoCon2026] When Goroutines Are Not Enough: Runtime Locality in High-Throughput Go
takehaya
6
1.5k
Featured
See All Featured
Building Flexible Design Systems
yeseniaperezcruz
330
41k
How to build a perfect <img>
jonoalderson
1
6k
SEO Brein meetup: CTRL+C is not how to scale international SEO
lindahogenes
1
2.9k
ReactJS: Keep Simple. Everything can be a component!
pedronauck
666
130k
技術選定の審美眼(2025年版) / Understanding the Spiral of Technologies 2025 edition
twada
PRO
120
120k
Un-Boring Meetings
codingconduct
0
410
We Are The Robots
honzajavorek
0
350
Getting science done with accelerated Python computing platforms
jacobtomlinson
2
470
HU Berlin: Industrial-Strength Natural Language Processing with spaCy and Prodigy
inesmontani
PRO
0
690
Fight the Zombie Pattern Library - RWD Summit 2016
marcelosomers
234
17k
How to build an LLM SEO readiness audit: a practical framework
nmsamuel
1
890
Context Engineering - Making Every Token Count
addyosmani
9
1.1k
Transcript
For Whom the Quality Exists ίʔυϨϏϡʔ͙͠͞ ,PJDIJ*50FTN 5IV $PEF3FWJFX.FFUVQ
0QFO/FUXPSL4QBDFJO%BJLBOZBNB
࣭ͱ୭͔ʹͱͬͯ ͷՁͰ͋Δ ʵ(FSBME.BSWJO8FJOCFSH
!LPJD w ג ӬγεςϜϚωδϝϯτ ίϛϡχςΟϚωʔδϟ w 3VCP$PQίϛολʔ w "30SBDMFFOIBODFE BEBQUFSίϛολʔ
w $VDVNCFSίϛολʔ
None
None
None
"3VCZDPEF def badName if something test end end
None
None
ࠓͷ
$PEF 3FWJFX
$PEF 3FWJFX
2VBMJUZ 1FPQMF
࣭ʹର͢Δωλຊ wιϑτΣΞֶ͔Βͷώ ϯτ
ਓʹର͢Δωλຊ wϏδωείϛϡχέʔγϣ ϯ͔Βͷώϯτ
For Whom the Quality Exists ίʔυϨϏϡʔ͙͠͞ ,PJDIJ*50FTN 5IV $PEF3FWJFX.FFUVQ
0QFO/FUXPSL4QBDFJO%BJLBOZBNB
ଟ༷ͳϝϯόʔ͕ࢀը͢Δ ϓϩδΣΫτʹ͓͍ͯ Կʹίʔυͷ࣭Λ্͛ͯ ͔͘ʁ
ࣗԿΛϓϩδΣΫτʹߩݙ ͢ΔͭΓͰɺϝϯόʔϓϩ δΣΫτʹԿΛߩݙͯ͠Β͍ ͍͔ͨΛڞ༗͢Δ࣮ફज़ υϥοΧʔ෩ΤΫααΠζ ʰΞδϟΠϧαϜϥΠʱ +POBUIBO3BTNVTTPOஶ
None
wख़࿅ऀ͔ΒϫφϏʔ·Ͱ͍ ΔϓϩδΣΫτΛྫͱ͢Δ wϨϏϡΞʔͱͯ͠ϨϏϡΠʔ ͷؔͱͯ͠ίʔυʹର͢ ΔظΛ͓࣋ͬͯ͘ 13ͷظͷ͢Γ߹Θͤ
ਅ࣮ɿϓϩάϥϚݸਓΛੳ ͨ͠ݚڀʹΑΔͱɺ࠷༏लͳ ϓϩάϥϚ࠷ѱʹൺɺഒ ༏Ε͍ͯΔɻ ιϑτΣΞΤϯδχΞϦϯά ʰιϑτΣΞ։ൃͷਅ࣮ͱͷιʱ ϩόʔτɾ-ɾάϥε
w܁Γฦ͠ίʔυΛߟ͖͑ͯͨϕ ςϥϯͱ࠷ۙϓϩάϥϛϯάΛ ֮͑ͨϫφϏʔͷίʔυҧ͏ w͋ΔݚڀʹΑΔͱϓϩάϥϚͷ ྗྔࠩഒ͋Δͱ͍͏ ϓϩάϥϛϯάೳྗͷࠩ
ΧςΰϥΠζྫ ϫφϏʔ ٕज़తͳ ࣮ݱೳྗ υϝΠϯࣝ ˢ ˠ ίΞ։ൃऀ υϝΠϯΤΩεύʔτ ৽نࢀըͷ
։ൃऀ υϝΠϯ ΤΩεύʔτ
ϓϩάϥϛϯάͱ͍͏ ٕܳ
ͲΕ͕͓ΈͰ͔͢ʁ bmi = weight / (height ** 2) bmi=w/(h**2) bmi=weight/(height**2)
" # $
ಡΈͮΒ͍ίʔυͰ ίϯϐϡʔλΛಈ͔ͤ Δ͕ɺͩΕ͔ʹͱͬͯ ಡΈ͍͢ίʔυʹ͢ ΔʹηϯεΛཁ͢Δ
wϩδοΫͷଥੑɺ໊͚ͷଥੑɺ ιϑτΣΞςετख๏ͳͲਓͷྖҬ wελΠϧͷϨΠΞτͳͲͷϓϩδΣ Ϋτݻ༗จԽ w/ ݕग़ɺػցతʹݕग़ՄೳͳηΩϡ ϦςΟରࡦɺͳͲࣗಈԽͷྖҬ ϨϏϡʔൣғྫ
wਓͰͳ͍ͱϨϏϡʔͰ͖ͳ ͍ϙΠϯτʹͰ͖Δ͚ͩয Λ͍͋ͯͨ wਓ͔ΒਓʹٕܳΛ͑Δ ຊ࣭తͳϨϏϡʔ
None
wίʔυϨϏϡʔʹΑΔ ػձେ͖͍ wͬͱίʔυϨϏϡʔྗ ͕ߴ͍༰͕νʔϜͰ࠷ߴ ͷ࣭ΛੜΈग़ͤΔ ։ൃϓϩηεਓ
4/ൺ 4Λ૿͠ /ΛݮΒ͢
w13Λ։͘લʹࣗʹग़དྷΔ࠷ߴͷ13 Ͱ͋Δ͜ͱΛηϧϑϨϏϡʔ͢Δ wgit log -pͰݟฦ͢ɺ3VCP$PQ ͳͲͷ-JOUFSΛ࣮ߦ͢ΔɺͳͲ wࣗͷͰ͖ΔҎ্ͷ͜ͱͰ͖ͳ͍ ͷͰɺͦ͜ΛϨϏϡΞʔʹͤΔ 4/ൺͷ/ΛݮΒ͢ॳख
w-JOUFS͕ߦ͏ͷݴޠ༷ϓ ϩδΣΫτϧʔϧʹରͯ͠ग़དྷ ͍ͯͳ͍Ұఆظج४Ϩϕϧ· Ͱͷఈ্͛͢Δ wͰ͖ΔਓΛΑΓͰ͖ΔΑ͏ʹ͢ ΔͷͰͳ͍ -JOUFSΛͬͨࣗಈԽ
w৽͘͠ϓϩδΣΫτʹೖͬͨϝ ϯόʔͷελΠϧͷػցతͳ ୡΛߦ͑Δ wਓϨϏϡʔͨ͠Βਓಉ ͡ࢦఠ͕Ͱ͖Δ༰-JOUFS ͖ -JOUFSͷྑ͍ͱ͜Ζ
wࣗͷॻ͍ͨίʔυʹࣗ ͕Ө͞Ε͕ͪ wϨϏϡΞʔରϨϏϡΠʔ :PVWTNF ͔Βࢦఠࣄ߲ ରϨϏϡΠʔͷߏਤʹม͑Δ 1SPCMFNWT6T
-JOUπʔϧ Ξϯνύλʔϯ
wܯࠂΛड͚ೖΕ͍ͯΔঢ়ଶ wσϑΥϧτͰͷద༻͕ϓϩ δΣΫτʹ߹͏͔ݕ౼͢Δ wͦΕ-JOUFSͷόά͔ʁ कഁ
wͳͥͦͷελΠϧ͕·͍͠ ͷ͔͕ϝοηʔδ͚ͩͰ அ͕͍͜͠ͱ͕͋Δ wతʹ-JOUFSΛ͏ͷͰ ͳ͘ελΠϧͷഎܠΛΔ -JOUFSʹݶΒͣίϛϡχέʔγϣϯΛཔΕ
wϋογϡͷΧοίʹۭനΛೖ Εͳ͍ {foo: 1, bar: 2} wϋογϡͷΧοίʹۭനΛೖ ΕΔ { foo:
1, bar: 2 } എ͢ΔίʔσΟϯάελΠϧ
wΧοίʹۭനΛೖΕͳ͍ͷࢥ wϒϩοΫͱ͍ͬͨແ໊ؔͱͷ ରൺΛͯ͠ϋογϡͷΑ͏ͳී วతͳΦϒδΣΫτʹΧοί ͷۭനෆཁ ࢥΛΔ
w໊લͷू·ΓͰ͋Δίʔυ ͦͷͷʹҙຯ͕͋ΔΑ͏ ʹɺϨΠΞτۭߦʹ ҙຯΛ࣋ͨͤΔ ίʔυͷҰߦɺ݂ͷҰణ
wೣɺݘ w͖ͷ͜ɺ͚ͨͷ͜ wจࣈྻμϒϧΫΥʔτɺ γϯάϧΫΥʔτ ͦΕͧΕͷΈʹݴ͍͕͋Δ
IUUQEIBUFOBOFKQLFZXPSE""%"$&"#"#'"#"$&"#$&'$&
wܯࠂΛड͚ೖΕ͍ͯΔঢ়ଶ wσϑΥϧτͰͷద༻͕ϓϩ δΣΫτʹ߹͏͔ݕ౼͢Δ wͦΕ-JOUFSͷόά͔ʁ ߟ͑Λ࣋ͬͯक͔Βഁ
For Whom the Quality Exists
wࣗಈԽ͞ΕͨϨΠΞτɺ -JOUJOH3VCP$PQ &4-JOU FUD w/ 944ରࡦͳͲඇػೳཁ݅ #SBLFNBO #VMMFU
FUD w։ൃऀͷϨϕϧʹ͋·Γґଘ͠ͳ͍ ࣗಈԽ͕ൺֱత༰қ
wςʔϒϧઃܭɺΫϥεઃܭɺ໊͚ͷ ଥੑɺϩδοΫͷଥੑɺͳͲਓͷ ྖҬʹ͓͚Δ΄΅ͯ͢ wϨϏϡʔΛࣗಈԽͰ͖ͳ͍ίʔυ͕ຊ དྷϨϏϡʔ͍ͨ͠ର wˢ։ൃऀͷٕܳʹґଘ͢Δͷݟͤॴ -JOUFSͷۤखͳͱ͜Ζ
wϨϏϡʔʹ࣌ؒΛ͏ w܁Γฦ͠දग़͢Δࣄʹର ͯ͠ίϯϐϡʔλಘҙ wະͷࣄʹ͍ͭͯ·ͩί ϯϐϡʔλʹݶք͕͋Δ ਓͱίϯϐϡʔλͷϨϏϡʔ
ϨϏϡʔ5JQT
wϨϏϡʔॳظʹ͚ۙΕ͍ۙ΄Ͳ ࢦఠࣄ߲͕ग़қ͍ wBQQSPWFͷ͕ҰఆҎ্ʹͳͬͯ ͦΕ΄Ͳ্࣭͕Βͳ͍ wܦݧ্֓ͶͭBQQSPWF͋Εྑ͍ wͪΖΜνʔϜͷͱ࣭ʹΑΔ Կਓ·ͰΫϩεϨϏϡʔʁ
wؒҧ͍ͬͯΔ͜ͱΛؒҧ͍ͬͯΔͱݴΘΕΔ ͷπϥ͍ wࣗͷࢦఠ͕ؒҧͬͯΔ͜ͱ͕͋Δ wʮ˓˓Ͱ͠ΐ͏͔ʁʯৗ۟ͰͬͨΓ͢ Δ w͔ͳΓͷ֬৴͕͋ͬͯͬͨΓ͢Δ wಛʹҭ͖ͷख๏ ֬৴Λࣔ͢ΑΓ͍͔͚Α
౪ਓʹޒͷཧΛೝΊΔ ॏཁײΛ࣋ͨͤΔ ਓͷཱʹΛஔ͘ ਓΛಈ͔̏͢ݪଇ ʰਓΛಈ͔͢ʱ %ɾΧʔωΪʔ
wҰՈݴ͋ΔϨϏϡΞʔ͕͍Δػೳ ͕͋Δ w13Ͱ3FWJFX3FRVFTUΛ͋Β ͔͡Ίૹ͓ͬͯ͘ w͋ͱͰ͜Ε·ͰͷϨϏϡʔ͕Ҿͬ ܁ΓฦΔ͜ͱΛ༧͢Δ ൪ͷϨϏϡʔґཔ
w৭ใͰ͋Δ wϨϏϡΞʔʹରͯ͠Χϥϑϧͳใʹͯ͠ ෛՙΛݮΒ͓ͯ͢ͳ͠ wόοΫΫΥʔτͭͷޙΖʹݴޠΛࢦఆ͠ ͯғΉ͜ͱͰϋΠϥΠτ͢Δ ```ruby puts 'hello, world' ```
ಡΈखͷෛՙΛݮΒ͓ͯ͢ͳ͠
wՃใͱͯ͠۩ମతͳίʔυߦͷ63- ΛϦϯΫ͚Δͱ༗ޮͳ͜ͱ͕͋Δ w͋Δ(JU)VCͷίʔυϦϯΫͷ༰Λ ݟͨΒҧ͏ՕॴΛ͍ࣔͯ͠Δ wNBTUFSϒϥϯνࠁʑͱมԽ͍ͯ͘͠ w(JU)VCͷίϛοτ্ͰlZzΛԡ͢ ύʔϚϦϯΫΛҾ༻͢Δ
͋ΘͤͯಡΈ͍ͨ
wॻ͘ਓΑΓಡΉਓͷํ͕ଟ͍ wͯ͘͠ߦ͘αʔϏε΄Ͳ ίʔυಡΈܧ͕Ε͍ͯ͘ wݱࡏͷಡऀͱະདྷͷಡऀʹͪΐͬ ͱͨ͠ؾΓΛ͓ͯ͘͠ 5IFXBZUPUIFUJNFMFTTXBZPG
For Whom the Quality Exists
࣭ͷཐટ
ίʔυ Ϗδωε ϨϏϡʔ
ίʔυ Ϗδωε ϨϏϡʔ
Ϗδωε ίʔυ ϨϏϡʔ
ϨϏϡʔ Ϗδωε ίʔυ
ίʔυ Ϗδωε ϨϏϡʔ lશମz
ίʔυ Ϗδωε ϨϏϡʔ lશମz γεςϜΈࠐΈͷ ্࣭ͱ։ൃऀͷ
wϏδωεϑΟʔυόοΫͷૉૣ࣮֬͘ͳ ରԠෳࡶͰͳ͍ίʔυ͕Մೳͱ͢Δ wणΞϓϦέʔγϣϯΛϦϓϨʔε͢Δͷ ԟʑʹ༧ࢉͱ࣌ؒΛ͏ wίʔυϨϏϡʔͱ͍͏ఆظతͳ݈߁அ w༏लͳ։ൃऀ݈શͳίʔυ͕॓Δγες Ϝ։ൃʹ͔͏ ͳͥͦΜͳʹͳΔ࣭ॏཁ͔ʁ
࣭ͱ୭͔ʹͱͬͯ ͷՁͰ͋Δ ʵ(FSBME.BSWJO8FJOCFSH
None