Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
コード改善ことはじめ
Search
Satoshi Honda
May 28, 2016
Programming
5.9k
0
Share
コード改善ことはじめ
Satoshi Honda
May 28, 2016
Other Decks in Programming
See All in Programming
(Re)make Regexp in Ruby: Democratizing internals for the JIT
makenowjust
3
1.1k
mruby on C#: From VM Implementation to Game Scripting (RubyKaigi 2026)
hadashia
2
1.8k
属人化しないコード品質の作り方_2026.04.07.pdf
muraaano
0
350
When benchmarks go bad - what I learned from measuring performance wrong
hollycummins
0
380
ソフトウェア設計の結合バランス #phperkaigi
kajitack
0
510
tRPCの概要と少しだけパフォーマンス
misoton665
2
270
Augmenting AI with the Power of Jakarta EE
ivargrimstad
0
420
Skillは並べた。動かなかった。契約で繋いだ。— 65個のSkillから、自走する開発サイクルへ
junholee
0
520
継続的な負荷検証を目指して
pyama86
3
1.2k
Spec-Driven Development with AI Agents (Workshop, May 2026)
antonarhipov
3
350
PicoRuby for IoT: Connecting to the Cloud with MQTT
yuuu
2
770
ソースコード→AST→オペコード、の旅を覗いてみる
o0h
PRO
1
130
Featured
See All Featured
Thoughts on Productivity
jonyablonski
76
5.1k
The Mindset for Success: Future Career Progression
greggifford
PRO
0
330
Why Mistakes Are the Best Teachers: Turning Failure into a Pathway for Growth
auna
0
130
The Power of CSS Pseudo Elements
geoffreycrofte
82
6.2k
Digital Ethics as a Driver of Design Innovation
axbom
PRO
1
280
The Art of Delivering Value - GDevCon NA Keynote
reverentgeek
16
1.9k
SEO for Brand Visibility & Recognition
aleyda
0
4.5k
RailsConf 2023
tenderlove
30
1.4k
Context Engineering - Making Every Token Count
addyosmani
9
880
Noah Learner - AI + Me: how we built a GSC Bulk Export data pipeline
techseoconnect
PRO
0
180
Writing Fast Ruby
sferik
630
63k
Fight the Zombie Pattern Library - RWD Summit 2016
marcelosomers
234
17k
Transcript
ίʔυվળ͜ͱ͡Ί @Satoshi Honda
ຊձΛ։͍ͨܦҢ
1)1ίʔυվળNFFUVQ
1)1ίʔυվળNFFUVQ
ίʔυվળNFFUVQ
ʮίʔυվળ͜ͱ͡Ίʯ
ٕज़తͳෛ࠴
w ΞʔΩςΫνϟ w σʔλϕʔε w %%% w ϚΠΫϩαʔϏε w ࣗಈԽ
w ςετ w Ϣχοτ w && w Πϯϑϥ w σϓϩΠ w ίʔσΟϯάϧʔϧͷ४ڌνΣοΫ w $* w ϫʔΫϑϩʔ w νϡʔχϯά w πʔϧ ෛ࠴ͷฦࡁखஈ
खஈ৭ʑ͋Γ·͚͢Ͳɺ Ͱ͖͍ͯͳ͍͔ͬͨ͜ͱ͕ଟʑ͋Γ·͢Ͷ
w ॳظɿ্ཱͪ͛ w ΤϯδχΞ͕࡞͍ͬͯͳ͍ w ίετΛ͑ΔͨΊʹ҆͘ w ʙதظɿظతͳऩӹ֫ಘʹΑΔࢪࡦ w རӹʹͳΔ͜ͱɺεϐʔυ༏ઌ
w ू٬ɾ࠾༻ͷࢿ w ֎෦ఏܞ w ΤϯδχΞҎ֎ͷ֤ઐྖҬͷ࠾༻ ৫ͱͯ͠ͷഎܠʢࠓ·Ͱͷܦݧ্ʣ
ظ த ظ λ ε Ϋ
ظ த ظ λ ε Ϋ w ίʔυվળ
w ϫʔΫϑϩʔվળ w ࣗಈԽ w ඪ४Խ w υΩϡϝϯτඋ
ظ த ظ λ ε Ϋ ͕࣌ؒऔΕͣෛ࠴͕ͨ·Γ͕ͪ ☓
w ίʔυվળ w ϫʔΫϑϩʔվળ w ࣗಈԽ w ඪ४Խ w υΩϡϝϯτඋ
৫Λͤ͞Δ্Ͱ ඞͣʁ௨Δಓ
৫ߏͷมԽ Ӧۀ Ϛʔέ اը ΤϯδχΞ ϓϩμΫτ
৫ߏͷมԽ Ӧۀ Ϛʔέ اը ΤϯδχΞ ϓϩμΫτ ަব͕͏·͍ ަবۤख
৫ߏͷมԽ Ӧۀ Ϛʔέ اը ΤϯδχΞ ͍ͭͷؒʹ͔τοϓμϯߏ ϓϩμΫτ
w ෦తͳ࠷దԽ w ຊདྷΔ͖λεΫޙճ͠ʢͪΓੵΕࢁͱͳ Δʣ w εϐʔυ༏ઌ w ಈ͔͢͜ͱ͕༏ઌɺ࣭ޙख w
طଘίʔυͷ࠶ར༻ w ϨϏϡʔΛऔΓೖΕ͍ͯΔ͚Ͳɺ࣭͕͕͋ͳΒ͍ w ࣭վળɺ͕࣌ؒͱΕͳ͍ܧଓ͠ͳ͍ ׳Εຊʹා͍
ٕज़Λثʹ w αʔϏεͷ҆ఆՔಇ w վળͷ1%$"αΠΫϧΛߴԽͤ͞Δ w ϏδωεͷมԽʹॊೈʹରԠͤ͞Δ ΤϯδχΞͷׂ
Ϣʔβܧଓͯ͠ՁΛఏڙ͠ɺରՁΛಘΔ Ϗδωεͱͯ͠ͷվળ
୭ͷͰͳ͘ ৫ʢਓʣ͕͢Δաఔ Ͱىͬͨ͜ɺ৫Ͱͷෛ࠴
w ௐࠪɾόάͷൃੜ͕͕͍͋ͬͯΔ w ରԠ࿙Εͷൃੜ͕͕͍͋ͬͯΔ 㱺मਖ਼ʹΑΔӨڹൣғେ w ֦ு͕ࠔͰɺमਖ਼͕͕͍͋ͬͯΔ w ίϛϡχέʔγϣϯίετ͕͕͍͋ͬͯΔ w
උ͞Εͳ͍υΩϡϝϯτɺଐਓత࡞ۀ τϨʔχϯάίετ͕͍͋ͬͯΔ ͱ͍͑
࣌ۚͳΓ 5JNFJT.POFZ
Ϣʔβܧଓͯ͠ՁΛఏڙ͠ɺରՁΛಘΔ Ϗδωεͱͯ͠ͷվળ ☓ ຊస
w ίʔυվળ w ϫʔΫϑϩʔվળ w ৽ٕज़ͷಋೖ w ඪ४Խ w υΩϡϝϯτඋ
ظ த ظ λ ε Ϋ ෛ࠴ى͖Δલఏ͚ͩͲ
63-ɿIUUQCMPHNBEPSPPSHNO
63-ɿIUUQTTQFBLFSEFDLDPNOBPZBLBJGB[V[IJGBMTFNBOF[JNFOUP
ʮίʔυվળ͜ͱ͡Ίʯ
՝ೝࣝͷڞ༗ ΦʔϓϯԽ
ʮ͓લ୭ͩΑʯ
w ϑΣΠεɾτΡɾϑΣΠε w ҿΈɾϥϯν w ։ൃ.UH w ίʔυ w ϨϏϡʔ
w ػೳՃɾόάमਖ਼ w ՝ͷใΛΦʔϓϯԽ w ใ w JTTVFͷ׆༻ ίϛϡχέʔγϣϯͷػձΛ૿͢
༏ઌҧ͑Ͳ ͳΜͱ͔͠ͳ͍͚ͯ͘ͳ͍ ˣ ՝ͷೝࣝօಉ͡
ٕज़ͷඪ४Խ
None
֤ηϯςϯεΛςʔϚʹɺϓϩμΫτίʔυ͔Β ಡΈ͍͢ͱײͨ͡ίʔυ ಡΈʹ͍͘ͱײͨ͡ίʔυ ٙ ؾ͓͚͍ͨ͜ͱʢ࣮ફ͍ͨ͜͠ͱʣ Λ·ͱΊͯσΟεΧογϣϯ͢Δձ
༻ޠXJLJ ϑϨʔϜϫʔΫͷऔΓܾΊ ෭࣍తޮՌ
'BDFUP'BDFͷίϛϡχέʔγϣϯ ·ͩ·ͩΓ͍ͯͳ͍
۩ମతʹͨ͠ࢲ͔ΒͷΞΫγϣϯ ·ͩ͜͜·ͰͳΜͰ͕͢ʜ
࣮ΛऔΔΈʢՄࢹԽʣ ࣗൃతͳϝϯόͷΞΫγϣϯ
վળͷ͕ग़དྷͨʂ
୭ͷͰͳ͘ ৫ʢਓʣ͕͢Δաఔ Ͱىͬͨ͜ɺ৫Ͱͷෛ࠴
ࣗൃతͳΞΫγϣϯ ·ͣखΛ্͛Δ
࣮ݱ͍ͯ͠Δͱ͍͏͜ͱ ৫ͱͯ͠ͷڞ௨ೝࣝͰ͋Δ
Ϣʔβܧଓͯ͠ՁΛఏڙ͠ɺରՁΛಘΔ Ϗδωεͱͯ͠ͷվળ
ίʔυվળNFFUVQ ίʔυͷ͢Δͧ
͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ