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
LeanScrum
Search
kameike
February 12, 2020
3
1.2k
LeanScrum
kameike
February 12, 2020
Tweet
Share
More Decks by kameike
See All by kameike
橋の下で安心して寝るための 『iOSアプリ設計パターン入門』
kameike
0
2k
サポートを求めてAppleに電話するまでの道のり
kameike
4
1.9k
header-comment
kameike
5
1.4k
Farewell SnapKit
kameike
1
1.6k
Featured
See All Featured
GitHub's CSS Performance
jonrohan
1031
460k
RailsConf 2023
tenderlove
29
940
Code Review Best Practice
trishagee
65
17k
The Psychology of Web Performance [Beyond Tellerrand 2023]
tammyeverts
45
2.2k
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
eileencodes
132
33k
I Don’t Have Time: Getting Over the Fear to Launch Your Podcast
jcasabona
29
2k
Performance Is Good for Brains [We Love Speed 2024]
tammyeverts
7
530
Stop Working from a Prison Cell
hatefulcrawdad
267
20k
Designing Experiences People Love
moore
138
23k
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
soudai
169
50k
Raft: Consensus for Rubyists
vanstee
137
6.7k
Become a Pro
speakerdeck
PRO
26
5k
Transcript
খ͘͞ॳΊͯεΫϥϜ։ൃΛ ਂԽ͍ͤͯ͘͞ ɹ!5FDI-FBE&OHJOFFS͔Β࠷৽ٕज़ΛֶʂΤϯδχΞϚωδϝϯτฤ
LBNFJLFͱ w λΠϛʔͰ$10͍ͬͯ·͢ɻεΫϥϜจ຺ͩͱϓϩμ ΫτΦʔφʔɺҰൠԽ͢Δͱ1.ͬΆ͍ࣄͯ͠·͢ w લ৬J04ΤϯδχΞʢͦͷલ3BJMT "OESPJEFUDʣ w ֆΛඳ͘ͷ͕झຯɻεϥΠυதͷग़య͕ͳ͍ֆؤுͬ ͯඳ͍ͨͭ
w 5XJUUFSʢΠϯλʔωοτʣझຯɻΈΜͳϑΥϩʔΑ Ζ͘͠ͳʂ !LBNFJLF
λΠϛʔͱ ཉ͍࣌ؒ͠ͷಇ͖ख͕͙͢ݟ͔ͭΔ ։͍ͨ࣌ؒʹ͙͢ಇ͚Δ ✖
εΫϥϜʁ
εΫϥϜzཧղ؆୯zͳඇৗʹܰྔͳϑϨʔϜϫʔΫ εΫϥϜͱɺҎԼͷΑ͏ͳͷͰ͋Δɻᶃܰྔᶄཧղ͕༰қᶅशಘࠔɹʢεΫϥϜΨΠυ1ΑΓҾ༻ʣ εΫϥϜΨΠυ1ͷແྉ1%' ͭͷΠϕϯτ ͭʢ࣮࣭ͭʣͷׂ https://www.scrumguides.org/docs/scrumguide/v2017/2017-Scrum-Guide-Japanese.pdf
εΫϥϜͰୡ͠Α͏ͱ ͍ͯ͠Δ͜ͱ
εΫϥϜΛ༻͍ͯ ढ़හͳঢ়ଶΛࢦ͢
࠷ߴͷϓϩμΫτΛ࠷ॳʹܭը͢Δ͜ͱʢཧੑओٛʣɺ࣮ݱෆՄೳʹ͍ۙ https://www.businessballs.com/amusement-stress-relief/tree-swing-cartoons-new-versions/ ϦϦʔε͢Δ·ͰɺεςʔΫϗϧμʔؒͰϓϩμΫτʹର͢ΔΠϝʔδ͕ҧ͏
ఆظతʹϑΟʔυόοΫΛಘΔ͜ͱͰɺຊʹඞཁͳͷ͕ͭ͘͘ΕΔ ϦϦʔεΛ܁Γฦ͠ɺࡉ͔͘ढ़හ BHJMF ʹํసͰ͖Δͱɺΰʔϧ·Ͱͷಓ͕ۙ͘ͳΔ
εΫϥϜɺपظੑΛ࣋ͪɺपظ͝ͱʹϑΟʔυόοΫΛಘΔ͜ͱ͕Ͱ͖Δ શͯͷεΫϥϜΠϕϯτʮ܁Γฦ͞ΕΔʯ͜ͱΛલఏͱͯ͠ઃܭ͞Ε͍ͯΔ
εΫϥϜΛ༻͍ͯ ʮϓϩηεʯͷվળΛࢦ͢
࠷ॳ͔ΒͷϓϩμΫτ͕ͳ͍Α͏ʹɺ࠷ॳ͔ΒͷνʔϜଘࡏ͠ͳ͍ ʮ։ൃϓϩηεʯʮνʔϜʯϓϩμΫτಉ༷খ͞ͳϦϦʔεͱํసΛ܁Γฦ͢ඞཁ͕͋Δ
ϓϩηεͷվળΛଅ͢μϒϧϧʔϓϑΟʔυόοΫ͕͋Δ ʮͲ͏ͬͯ࡞Δ͔ʁʯ͚ͩͰͳ͘ɺʮϓϩμΫτ͕Ͳ͏͋Δ͖͔ʁʯʹؔͯ͠ϑΟʔυόοΫΛಘΔΈ͕͋Δ
εΫϥϜΛ༻͍ͯ ଏਓԽΛ͙
ଏਓԽ͍ͯ͠ͳ͍ঢ়ଶढ़හ͞ʹ͓͍ͯͱͯେ ٻΊΒΕ͍ͯΔʹରͯ͠ɺશͯͷϝϯόʔ͕खΛಈ͔ͤΔঢ়ଶ͕ཧ
εΫϥϜνʔϜϝϯόʔʹׂΛ࣋ͨͤͳ͍ݪଇ͕͋Δ ࣮ݱ͢Εɺढ़හੑͷߴ͍νʔϜ͕͢Δ
εΫϥϜཁʢҰ෦ҙ༁ʣ
Ұݩཧ͞ΕͨΔ͜ͱϦετΛͭ͘Δ
εϓϦϯτʢिؒʙϲ݄ͷݻఆظؒʣͰୡ͢Δ͜ͱΛ͖Ί͍ͯͬͯ͘
εϓϦϯτऴྃ࣌ʮ͖ͷৼΓฦΓʯͱʮ֎͖ͷৼΓฦΓʯΛߦ͏ ʮ͖ͷৼΓฦΓʯϨτϩεϖΫςΟϒͱݺΕɺ։ൃख๏ɺʑͷίϛϡχέʔγϣϯɺνʔϜͷӡ༻ɺεΫϥϜͷӡ༻ʹؔͯ͠ৼΓฦΓ·͢ɻ ʮ֎͖ͷৼΓฦΓʯεϓϦϯτϨϏϡʔͱݺΕɺ࡞ͬͨͷ͕ސ٬ʹͲ͏ݟ͑ͨͷ͔ΛৼΓฦΓ·͢
εϓϦϯτΛ܁Γฦ͢
Ͷʁʢཧղʣ؆୯Ͱ͠ΐʁ
୭͕ΔͷʁͲ͏ΔͷʁͲͷॱ൪ͰΔͷʁͲͷ Α͏ͳׂͰΔͷʁͲΜͳׂ୲ͳͷʁεϓϦ ϯτͬͯͳʹʁ
ৄ͘͠ɺεΫϥϜΨΠυ
ෳࡶͳϢʔεέʔεͷղܾ ิҨͷதͰεΫϥϜʢΛ༻͍ͨιϑτΣΞ։ൃʣͷཧղ͕ਐΜͩຊ ίϯηϓτՁ؍ͷཧղ ݪ ιϑτΣΞ։ൃͷదԠ ͜Ε͓͠Ζ͍Αʂͬͯͷ͕͋ͬͨΒɺ!LBNFJLF·Ͱ͓͍͑ͯͩ͘͠͞
ྑͦ͞͏͚ͩͲɺ ࣮ફ͍͠ΜͰ͠ΐʁʁʁ
:&4 ϝνϟ͍͠
࠷ॳ͔Βશ෦ͷΠϕϯτΛᘳʹ͜ͳ͢ͷແཧ
εΫϥϜΛ খ͘͞ಋೖ͢Δ
λΠϛʔʹݟΔ ࣮ࣄྫ
ͪͳΈʹ ͦͷ࣌ϕετͩͱೝ͍ࣝͯͨ͠ͷͰ खΛൈ͍ͨΘ͚Ͱͳ͍ ޙ͔ΒৼΓฦͬͯΔͷͰ ߏԽ͞Ε͍ͯΔΑ͏ʹݟ͑Δ
όοΫϩάͷΞΠςϜ ͷվળʹண ༷ʑͳվળ͕͚͋ͬͨͲҰ൪ΘΓͦ͢͏ͳɺόοΫϩάΞΠςϜʹணͯ͠Έ·ͨ͠ɻ
4UFQ εΫϥϜʢϓϩμΫτόοΫϩάʣͷಋೖ d
֤෦ॺΓ͍ͨ͜ͱ͕ɺͦΕͧΕʹ͋ͬͯɺΤϯδχΞʹཁٻ͕͖͍ͯͨ ෦ॺ͕ԕ͍͜ͱଏਓԽΛ͢͢Ί͍ͯͯʮࢧ͍पΓYYY͞ΜʯͷΑ͏ʹ֤ݸਓʹཁٻ͕ඈΜͰ͖ͯͨɻ ཁٻͷந·ͪ·ͪͰɺʮYYYͷϥϕϧΛͯ͠ཉ͍͠ʯ͔ΒʮΫʔϙϯػೳཉ͍͠ΑͶʙʙʯΈ͍ͨͳͷ·Ͱ
όοΫϩάΛҰݩԽͯ͠ɺΔ͜ͱͷ༏ઌॱҐΛϓϩμΫτΦʔφʔʹҰ ҰݩԽͨ͠ɺϓϩμΫτόοϩάɺͱεϓϦϯτΛνʔϜ͕ಘΔ͜ͱͰɺʮΔ͜ͱʯʮΒͳ͍͜ͱʯ͕໌֬ʹ ଞ෦ॺ͔ΒͷґཔɺଏਓԽͨ͠ͷͰͳ͘ɺνʔϜʹରͯ͠ͷґཔͱ͍͏ݟํ͕ҰൠԽͨ͠
4UFQ ֻ͔ΓΛݮΒ͢ d
࡞ۀʹֻ͔Γ͕͓͓͘ɺଏਓԽ͕ͪ͠ͳঢ়گ͕ଓ͍͍ͯͨ ֤ΤϯδχΞ͕ͦΕͧΕͷόοΫϩάΞΠςϜΛҾ͖ड͚͍ͯͨͨΊɺ࡞ۀ͕ฒྻԽɺֻ͔Γ͕ଟ͍ঢ়ଶ͕ଓ͍͍ͯͨɻ
8*1ʢֻΓʣ͕ଟ͍ͷѱ w༏ઌॱҐॱʹετʔϦ͕ϦϦʔεͰ͖ͳ͍ wिؒεϓϦϯτΛ͑ͯ͠·͏ wίϯϑϦΫτ͕ى͜Δ wணख͔ΒϑΟʔυόοΫΛΒ͏εϐʔυ͕མͪΔɻढ़හ͕͞Լ͕Δ
ετʔϦΛϒϨΠΫμϯ͢Δ͜ͱͰɺֻ͔ΓΛݮΒ͠εϧʔϓοτΛ͋͛Δ λεΫΛࡉׂ͔͘͠ɺՄೳͳݶΓɺҰͭͷετʔϦʔΛऴΘΒͤΔΛ্͛ΔΑ͏ʹͳͬͨɻ ʮσΠϦʔεΫϥϜʯͱ͍͏ຖߦ͏Πϕϯτ͕ɺʮใࠂձʯ͔Βʮ࣍ͷ࣌ؒͷΞΫγϣϯΛઃܭ͢Δʯͱ͍͏ͷʹ
4UFQ ։ൃνʔϜͷࡋྔΛ্͛Δʢ8*1 d
ϓϩμΫτόοΫϩάΞΠςϜͷϥΠϑαΠΫϧ ՝ɾΞΠσΟΞ ΞτΧϜཁٻ ιϦϡʔγϣϯ λεΫ
ͦΕͧΕͷঢ়ଶͷந ΞτΧϜཁٻ ιϦϡʔγϣϯ wకΊ࡞ۀͷϩάϨίʔυૢ࡞ऀ ΞΧϯτJEΛ࣋ͭ wٻͷకΊͷૢ࡞هʹͨ͠ ͍ λεΫ ՝ wۚમपΓʹؔͯ͠దͳϩάΛ
͍ͨ͠ wPQFSBUJPO@MPHʹΧϥϜՃ
ݱࡏͷλΠϛʔϓϩμΫτΦʔφʔ͕ιϦϡʔγϣϯʹམͱ͠ࠐΜͰ͍Δ ਓ͕૿͑ɺ%&7νʔϜͷεϧʔϓοτ্͕͕Δ͜ͱͰ όοΫϩάΛιϦϡʔγϣϯ·Ͱམͱ͜͠ΜͰ͍ΔϓϩμΫτΦʔφʔ͕ϘτϧωοΫʹͳΔ͜ͱ͕ݟࠐ·ΕΔɻ ՝ɾΞΠσΟΞ ΞτΧϜཁٻ ιϦϡʔγϣϯ λεΫ
։ൃνʔϜ͕நͷߴ͍ஈ֊͔ΒɺόοΫϩάʹؔΘΕΔঢ়ଶΛࢦ͢ ։ൃνʔϜ͕εςʔΫϗϧμʔͱର͢ΔػձΛ૿͠ɺநͷߴ͍όοΫϩάΞΠςϜʹऔΓΊΔঢ়ଶΛࢦ͢ ཧతʹɺϓϩμΫτΦʔφʔ༏ઌॱҐҿΈͷஅΛ͢ΔਓʹͳΔ͜ͱ ՝ɾΞΠσΟΞ ΞτΧϜཁٻ ιϦϡʔγϣϯ λεΫ
Ҏ্͕ࣄྫ
εΫϥϜΛ ࢧ͑Δٕज़
ʮढ़හ͞ʯ͕ߴ͍ঢ়ଶʹɺʮอकੑʯ͕ߴ͍ঢ়ଶ͕ඞཁ ʮ࣭ͱεϐʔυʯͰάάΔͱͰͯ͘ΔɺU@XBEB͞ΜͷεϥΠυɺ͓קΊ͠·͢ https://speakerdeck.com/twada/quality-and-speed?slide=25 .BJOUBJOBCJMJUZ อकੑ ͷߏཁૉ 5FTUBCJMJUZʢςετ༰қੑʣ 6OEFSTUBOEBCJMJUZʢཧղ༰қੑʣ .PEJpBCJMJUZʢมߋ༰қੑʣ
σϦόϦʔͷύϑΥʔϚϯεܭଌՄೳ • มߋͷϦʔυλΠϜ • σϓϩΠͷස • ฏۉम෮࣌ؒ • มߋࣦഊ
ΦϯσϚϯυͳσϓϩΠΛ࣮ݱ͠ɺHJUIVCqPXͰͷϒϥϯνཧ http://blog.programster.org/git-workflows ճͷσϓϩΠ͔Βɺ43&ͷ׆༂ʹΑΓΦϯσϚϯυͳσϓϩΠ͕Մೳʹ (JU'MPXΦϯσϚϯυͳσϓϩΠʹੑ͕ߴ͔ͬͨͨΊɺ(JUIVC'MPXʹҠߦ
ͦͷଞ͍Ζ͍Ζ͍ͬͯΔ wίϯςφԽ͠GBSHBUFཧ͢Δ͜ͱͰɺσϓϩΠɾϩʔϧόοΫΛॊೈʹ wฏۉम෮࣌ؒͷܭଌ w4FOUSZ %BUBEPHΛ༻͍ͨࢹ wςετͷࣗಈԽ w$IBU0QT$IBUCPUΛ༻͍ͨσϓϩΠͷࣗಈԽ λΠϛʔͷϝϯόʔ͕Ͳ͔͜Ͱొஃͯͩ͘͠͞ΔͰ͠ΐ͏
5IBOLT !LBNFJLF