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
LTの敷居を下げる / Lower the threshold for LT
Search
Takumi Shotoku
January 11, 2024
Technology
1
300
LTの敷居を下げる / Lower the threshold for LT
【オフライン開催】Omotesando.rb #93
https://omotesandorb.connpass.com/event/305893/
Takumi Shotoku
January 11, 2024
Tweet
Share
More Decks by Takumi Shotoku
See All by Takumi Shotoku
Let's get started with Ruby && Rails Tips
sinsoku
0
330
CircleCIの高速化🚀 / CircleCI faster
sinsoku
3
1.2k
Railsアプリと型検査 / Rails app and type checking
sinsoku
5
1.3k
💎のつくりかた 2023 / How to make gems 2023
sinsoku
2
300
Make tests run faster
sinsoku
2
620
YARD with RBS Syntax
sinsoku
1
450
Get started with OSS contributions
sinsoku
2
1.1k
Advice for Ruby beginners
sinsoku
2
470
Railsエンジニア向けDocker入門 / Docker description for Rails engineers
sinsoku
0
690
Other Decks in Technology
See All in Technology
四国クラウドお遍路 2024 in 高知 エンディング
yukataoka
0
190
React Aria で実現する次世代のアクセシビリティ
ryo_manba
4
1.2k
難しいから面白い!医薬品×在庫管理ドメインの複雑性と向き合い、プロダクトの成長を支えるための取り組み / Initiatives to Support Product Growth
kakehashi
2
190
LandingZoneAccelerator と学ぶ 「スケーラブルで安全なマルチアカウントAWS環境」と 私たちにもできるベストプラクティス
maimyyym
1
130
エンジニア向け会社紹介資料
caddi_eng
15
250k
スーパーマリオRPGのリメイク版の変更点からみるUX
nishiharatsubasa
1
340
2024年のナビゲーション・フォーカス対応:Composeでキーボード・ナビゲーションをサポートしよう
tahia910
0
100
Fediverse Discovery Providers overview
andypiper
0
150
JEP 480: Structured Concurrency
aya_ebata
0
130
App Router を実プロダクトで採用して見えてきた勘所をちょっとだけ紹介
marokanatani
1
900
Google CloudのLLM活用の選択肢を広げるVertex AIのパートナーモデル
nayuts
0
120
音声AIエージェントの世界とRetell AI入門 / Introduction to the World of Voice AI Agents and Retell AI
rkaga
5
930
Featured
See All Featured
The Art of Programming - Codeland 2020
erikaheidi
48
13k
A Philosophy of Restraint
colly
202
16k
How to Think Like a Performance Engineer
csswizardry
16
950
Rails Girls Zürich Keynote
gr2m
93
13k
Learning to Love Humans: Emotional Interface Design
aarron
270
40k
The Pragmatic Product Professional
lauravandoore
31
6.2k
A Modern Web Designer's Workflow
chriscoyier
691
190k
ReactJS: Keep Simple. Everything can be a component!
pedronauck
663
120k
Code Reviewing Like a Champion
maltzj
518
39k
It's Worth the Effort
3n
182
27k
Six Lessons from altMBA
skipperchong
26
3.3k
Robots, Beer and Maslow
schacon
PRO
157
8.1k
Transcript
LTͷෑډΛԼ͛Δ Omotesando.rb #93 2024/01/11 1
ࣗݾհ • ໊લ: ਖ਼ಙ (aka: ਆ) • GitHub: @sinsoku (ը૾ӈ্)
• Twitter: @sinsoku_listy (ը૾ӈԼ) • ͖ͳݴޠ: Rust ! , Ruby " • Railsྺ: 8͘Β͍ 2
એ: ໌1/12(ۚ)ʹ։࠵ ձ גࣜձࣾϚωʔϑΥϫʔυ ͞Μʹ͓आΓ͠ɺRBSܕΛ৮ ΔձΛ͠·͢ɻ 3
͢͜ͱ • ! LTͷෑډ͕ߴ͍ʁ • ⭐ LTͷϝϦοτ • # εϥΠυͷ࡞ΓํͳͲ
• $ ͓·͚: Rubyͷ • Omotesando.rb ͳͷͰ 4
! LTͷෑډ͕ߴ͍ʁ • ొஃͯ͢͠ωλ͕ແ͍ • ਓલͰ͢ͷ͕ۤख • ܦݧ͕ແ͍ͷͰෆ҆ 5
͢ωλ Omotesando.rb ຖ݄։࠵ͯ͠ΔͷͰɺRubyؔ࿈Ͱ৽֮͑ͨ͘͠ Կ͔Λ͘͢Β͍ͷؾ࣋ͪͰྑ͍ɻ • Rubyͷศརϝιουɺػೳͷհ • ͋·ΓΒΕ͍ͯͳ͍ڍಈͷհ • ʮ͜Ε͕όάͷݪҼͰͨ͠ʯͳͲ1
1 ⚠ ۀͷ۩ମྫΛ͠ա͗ͳ͍Α͏ʹҙ 6
ਓલͰ͢ͷ͕ۤख / ܦݧ͕ແ͍ͷͰෆ҆ 7
ͦΕͳ 8
͢ͷ͕ۤख / ෆ҆ ొஃܦݧ͕૿͑Δͱɺগ͠׳ΕΔɻ ͨͩɺਓ͕૿͑ΔͱࠓͰۓு͢Δɻ 9
LTʹର͢Δߟ͑ํ • ⏳ Ͱ͖Δ͚ͩ 5 ͰऴΘΒͤΔ • LT͕໘ന͘ͳͯ͘5ͳΒେৎ • "
୭͔ͷʹཱͭ 10
࣭ 1. Omotesando.rb ॳࢀՃͷํ 2. Ruby/Railsͷܦݧ͕3ະຬͷํ 11
⭐ LTͷϝϦοτ • ! ొஃͷޙʹใ͕ू·Δ • " ొஃͷ࿅शʹͳΔ • #
كʹొஃґཔΛड͚Δ 12
! εϥΠυ࡞ιϑτ • Google Slides • Deckset for Mac 13
Google Slides • ແྉ • Windows, Mac Ͱར༻Մ • ៉ྷͳσβΠϯ͕࡞ΕΔ
• จࣈɾը૾Λࣗ༝ʹஔͰ͖Δ ҎલʹΑ͍ͬͯͨ͘ɻձࣾͷςʔϚΛ͏ͱ͖ͬͪ͜ɻ 14
Desckset for Mac • ༗ྉʢ$35/one-timeʣ • ϚʔΫμϯه๏Ͱ࡞Մೳ • GitHubͰཧͰ͖Δ •
จࣈɾը૾ͷஔʹ੍ݶ͕͋Δ ࠷ۙͬͪ͜Λ͍ͬͯΔɻ࣌ؒͰεϥΠυ͕࡞Εͯศརɻ 15
! ը૾Λ͏ • ! จࣈ͚ͩͩͱ୯ௐʹͳΔ • ✨ ҹʹΔ • #
্ख͘͏ͱ໘ന͍ 16
ΞϯΨʔϚωδϝϯτͷษڧͰಡΜͩຊ • ΞϯΨʔϚωδϝϯτೖ • ଞऀͱಇ͘ / ʮΘ͔Γ͋͑ ͳ͞ʯ͔Β࢝ΊΔ৫ • ࣗͷখ͞ͳʮശʯ͔Β
ग़͢Δํ๏ • ը૾ 17
⚠ ஶ࡞ݖͷѻ͍ • εϥΠυͷར༻άϨʔ2 • ΦϯϥΠϯެ։ආ͚ͨํ͕ྑ͍ • SpeakerDeck ʹ্͛Δલʹফ͢ •
ΧϯϑΝϨϯεͰར༻Λආ͚ͨํ͕ྑ͍ 2 ৄ͘͠ͳ͍ͷͰࣗ৴ͳ͍ 18
! αʔόαΠυΤϯδχΞ ͜ΕαόͰ͢ ! 19
! map, flat_map, filter_map ͷհ map p [1, 2, 3].map
{ |n| n * 3 } #=> [3, 6, 9] 20
! map ͱ flat_map ͷҧ͍ map [[1,2], [3,4]].map { |i|
i.map { |j| j*2 } } #=> [[2, 4], [6, 8]] flat_map [[1,2], [3,4]].flat_map { |i| i.map { |j| j*2 } } #=> [2, 4, 6, 8] 21
! map ͱ filter_map ͷҧ͍ map (1..10).map { |i| i
* 2 if i.even? } #=> [nil, 4, nil, 8, nil, 12, nil, 16, nil, 20] filter_map (1..10).filter_map { |i| i * 2 if i.even? } #=> [4, 8, 12, 16, 20] 22
! ͥͻ࣍ճొஃ͠·͠ΐ͏ 23