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
Head First Golang Image Package
Search
Seiji Takahashi
November 13, 2018
Programming
2
9.8k
Head First Golang Image Package
Talk session @ golang.tokyo #19
Seiji Takahashi
November 13, 2018
Tweet
Share
More Decks by Seiji Takahashi
See All by Seiji Takahashi
Go Backends for frontends with GraphQL and gRPC
timakin
6
3.7k
Design Pattern for Image and Text Composition in Go
timakin
5
6.4k
Golang API Testing the HARD way
timakin
13
6.3k
React Native Beyond Prototype
timakin
2
1.6k
Performance Optimization on Google AppEngine
timakin
5
6.1k
testcache.pdf
timakin
1
120
How Go cache
timakin
1
61
How Go cache tests
timakin
1
2.9k
A/Bテスト機構がもたらす 大胆な開発体制及び ゆるやかなアプリ体験の変化 / Architecture and benefits of AB-test allocation system.
timakin
4
7.5k
Other Decks in Programming
See All in Programming
Architecture Decision Record (ADR)
nearme_tech
PRO
1
680
今インフラ技術をイチから学び直すなら
yuhta28
1
130
Kotlin 2.0が与えるAndroid開発の進化
masayukisuda
1
370
あなたのアプリ、ログはでてますか?あるいはログをだしてますか? (Funabashi.dev用 軽量版)
uzulla
2
120
Ebitengineの1vs1ゲーム WebRTCの活用
ponyo877
0
380
LangGraphでのHuman-in-the-Loopの実装
os1ma
3
1.1k
KSPの導入・移行を前向きに検討しよう!
shxun6934
PRO
0
220
Some more adventure of Happy Eyeballs
coe401_
2
180
RAGの回答精度評価用のQAデータセットを生成AIに作らせた話
kurahara
0
250
Amazon BedrockでサーバレスなAIお料理ボットを作成する!!
tosuri13
0
220
React + TextAliveでカッコいいLyric Applicatioinを作ろう!!
tosuri13
0
400
Amebaチョイス立ち上げの裏側 ~依存システムとの闘い~
daichi_igarashi
0
230
Featured
See All Featured
The Pragmatic Product Professional
lauravandoore
31
6.2k
Code Review Best Practice
trishagee
62
16k
We Have a Design System, Now What?
morganepeng
48
7.1k
How to Ace a Technical Interview
jacobian
274
23k
The Success of Rails: Ensuring Growth for the Next 100 Years
eileencodes
41
6.5k
Building Better People: How to give real-time feedback that sticks.
wjessup
359
19k
The Psychology of Web Performance [Beyond Tellerrand 2023]
tammyeverts
36
2.1k
Build The Right Thing And Hit Your Dates
maggiecrowley
30
2.3k
Adopting Sorbet at Scale
ufuk
73
8.9k
Learning to Love Humans: Emotional Interface Design
aarron
270
40k
From Idea to $5000 a Month in 5 Months
shpigford
379
46k
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
eileencodes
28
1.6k
Transcript
Head First Golang image package @__timakin__ golang.tokyo#19
SEIJI TAKAHASHI
None
ΞδΣϯμ *NBHFύοέʔδͷհ ࣮ྫͰֶͿ*NBHFύοέʔδ ը૾ͷ߹ɾՃ ը૾ͱจࣈͷ߹
QBDLBHFl*NBHFz w %ը૾Λѻ͏ͨΊͷύοέʔδ w +1( 1/( (*'ʹରԠ w Ͱ͖Δ͜ͱ w
৭ใऔಘ w 1PJOU 3FDUBOHMFͷૢ࡞ w ݁߹ॲཧʢESBXʣ w ϑΥʔϚοτͷσίʔυ
ྫʣͷ࢛֯ܗΛඳը
ϞβΠΫ γϟʔϓௐ ໌Δ͞ௐ ͳͲɺେମΓ͍ͨ͜ͱͰ͖Δ͕ ίʔυྔ͕ଟ͗͢ΔͷͰׂѪ
ͱ͍͏͔
ؙ࢛֯ͷඳըͱ͔ Ṗͷ৭ௐͱ͔
ͦΜͳ͜ͱͨͯ͘͠ ͜͜ʹ͖ͯ·͔͢ʁ
࣮ફͯ͠Έ·͠ΐ͏ʂ
ը૾ͷ߹ɾՃ
ͱ͜ΖͰօ͞Μ
!EFFFFU͞Μɻ ࠃͰϚΠΫϩαʔϏεͱ ͍͑͜ͷํɻ
Ͱ͕͢ɺ
ˌEFFFFU෩
None
खʹ࣋ͬͨΦϒδΣΫτʢʣΛ தԝʹਾ͑ͳ͕Β ࣸਅΛࡱΔࡱӨٕ๏ʢʁʣ
!?
खʹ࣋ͬͨΦϒδΣΫτʢʣΛ தԝʹਾ͑ͳ͕Β ࣸਅΛࡱΔࡱӨٕ๏ʢʁʣ
ͦΜͳʹखʹ͓͠ΌΕͳ Λ࣋ͭػձͳ͍
୭Ͱख๏Λ࠶ݱͰ͖Δͱศར
None
ɿW
Γ͍ͨ͜ͱ w Ͱ͍͍ײ͡ͷงғؾΛग़͍ͨ͠ w ͦΕΛखʹ࣋ͬͨঢ়ଶͰதԝʹఴ͍͑ͨ w ʹϑΥʔΧε͍ͯ͠Δ෩ʹ͍ͨ͠
ඞཁͳͷ w खɺɺഎܠ
ΦϦδφϧ
ඞཁͳͱ͜Ζ
దͳഎܠΛ୳͢
ݟ͚ͭΔ
࣮ w ྆ը૾ͷಡΈࠐΈ w എܠʹదͳ΅͔͠ΛೖΕΔ w खͷը૾Λਃ͠༁ఔʹαΠζௐ͢Δ w खट͕ࠨԼʹདྷΔΑ͏ʹͬ͢ͱ߹ w
ϑΝΠϧग़ྗ
HJUIVCDPNEJTJOUFHSBUJPOJNBHJOH w JNBHFύοέʔδͷϥούʔ w ΅͔͠໌ௐ͕ͷ͍͢͝؆୯ʹͰ͖Δ
ਃ͠༁ఔͷαΠζௐ
ͬ͢ͱࠨԼʹ߹
ग़ྗʜ
None
ը૾ͷ߹ɾՃ w HJUIVCDPNEJTJOUFHSBUJPOJNBHJOHΛ͏ ͱ͍ͩͿָʹ΅͔͠ͳͲΛೖΕΒΕΔ w ߹ͷࡍج४͕ࠨ্Ͱ͋Δ͜ͱʹҙ w ਖ਼༧֎ͷͦΕͬΆ͞ʹͳͬͨ
ˠਅ໘ͳ
αʔϏεӡ༻தɺ Ϛʔέࢪࡦͱͯ͠0(1ը૾Λ ࡞͢Δ͜ͱ͕͋ΔͷͰʁ
ը૾ͱจࣈͷ߹
Γ͍ͨ͜ͱ w 0(1എܠը૾ʹจࣈΛ߹͢Δ w ҙͷจࣈྻΛҙͷϑΥϯτͰɺ దͳҐஔʹදࣔ͢Δ
ૉࡐ
࣮ w ҙͷϑΥϯτΛಡΈࠐΉ w ͦͷϑΥϯτͰςΩετΛҙͷҐஔʹඳը w എܠͱॏͶ߹Θͤͯॻ͖ग़͠
HJUIVCDPNHPMBOHGSFFUZQFUSVFUZQF w ҙͷϑΥϯτͰςΩετΛҙͷҐஔʹग़͢ʹɺ ௨ৗͷը૾ՃͰෆՄɻ w GSFFUZQFύοέʔδΛ͏ɻ
ϑΥϯτͷಡΈࠐΈ
എܠΛॻ͖ग़͓ͯ͘͠
GPOU%SBXFSΛͬͨςΩετඳը
ग़ྗʜ
ग़ྗʜ
ը૾ͱจࣈͷ߹ w ϑΥϯτҐஔௐΛॊೈʹ͍ͨ͠߹ɺ GSFFUZQFύοέʔδͱGPOU%SBXMFSͷ߹Θٕͤ Ͱ͍͚Δ w ը૾ͷͲͷҐஔʹදࣔ͢Δ͔ɺจࣈͷંΓฦ͠ Ͳ͏͢Δ͔దٓௐͷඞཁ͋Γ
·ͱΊ JNBHFͰ৭ɾେ͖͞ͳͲ͕؆୯ʹऔಘͰ͖Δ ϥούʔΛ͑Ճ؆୯ ߹ͷ߹࠲ඪɾॻ͖ग़͠ॲཧͷ࣮͕ར༻έʔεʹԠ͡ ͯมΘͬͯ͘ΔͷͰҙͷඞཁ͋Γ
͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ