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
Marie and Me
Search
Sponsored
·
Your Podcast. Everywhere. Effortlessly.
Share. Educate. Inspire. Entertain. You do you. We'll handle the rest.
→
track8
September 22, 2013
Business
280
5
Share
Marie and Me
とちぎRuby会議05懇親会駄話
track8
September 22, 2013
More Decks by track8
See All by track8
かえりみち
track8
0
1k
Other Decks in Business
See All in Business
家族アルバム みてね 事業紹介 / Our Business
familyalbum
7
59k
タケウチグループRecruit
takeuchigroup
0
12k
Global Vascular株式会社_会社紹介資料
globalvascular
0
260
PIVOT:BPエントランスブック
sotaro04
0
160
「愛するということ」がAI時代のマネジメントの教科書だった件
yukiusa7991
0
600
採用ピッチ資料_キヨモトテックイチ
satoshi01
0
100
CompanyDeck_v6.5.pdf
xid
3
27k
AIを意識した経営・執行の設計と実行
kan
4
3.9k
ログラス会社紹介資料 / Loglass Company Deck
loglass2019
17
540k
クラウド人材バンク 会社説明資料
cloudhrbank
0
150
Brush Company Deck ver1.0
brush2026
0
560
HumanDriven 会社紹介資料 / HumanDriven Company Profile
humandriven
0
480
Featured
See All Featured
Six Lessons from altMBA
skipperchong
29
4.3k
The Illustrated Guide to Node.js - THAT Conference 2024
reverentgeek
1
370
Music & Morning Musume
bryan
47
7.2k
AI Search: Implications for SEO and How to Move Forward - #ShenzhenSEOConference
aleyda
1
1.3k
The Cult of Friendly URLs
andyhume
79
6.9k
The World Runs on Bad Software
bkeepers
PRO
72
12k
svc-hook: hooking system calls on ARM64 by binary rewriting
retrage
2
280
Tell your own story through comics
letsgokoyo
1
940
Leading Effective Engineering Teams in the AI Era
addyosmani
9
2k
Chrome DevTools: State of the Union 2024 - Debugging React & Beyond
addyosmani
10
1.2k
Chasing Engaging Ingredients in Design
codingconduct
0
210
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
irinanazarova
9
1.4k
Transcript
ϚϦʔͱΘͨ͠ Marie and Me 2013/09/21 @track8
ࣗݾհ ‣ @track8ɹ ‣ ͙Μ·ͷαϥϦʔϚϯ / ϓϩάϥϚ ‣ ͙Μ·Rubyձٞ01Ͱ ͓ੈʹͳΓ·ͨ͠
ۙگ
ۙگ
࠲ӈͷ
࠲ӈͷ ‣ ”ύϯ͕ແ͚Εɺ έʔΩΛ৯Ε͍͍͡Όͳ͍”
࠲ӈͷ ‣ ”ύϯ͕ແ͚Εɺ έʔΩΛ৯Ε͍͍͡Όͳ͍” ϚϦʔɾΞϯτϫωοτ
ͳʹ͕ྑ͍͔ ‣ ࠷ۙʹͳͬͯδϫδϫ͖͍ͯΔݴ༿ ‣ ͦ͜(ύϯɺέʔΩ)͡Όͳ͍ͬͯ ͜ͱΛڭ͑ͯ͘ΕΔ
tweet ‣ Կ͔Ζ͏ͱͨ͠ͱ͖ʹ ͭͿ͍ͯΈΔɻ ‣ ࣗୡ͕ղ͜͏ͱ͍ͯ͠ΔԿ͔ ‣ ʙͳΒʙ͍͍͡Όͳ͍
ϚϦʔ ‣ Ұ୴ཱͪࢭ·ͬͯɺݴͬͯΈΔ ‣ ϚϦʔύλʔϯ ‣ Ξϯτϫωοτઢ
ۙͳྫ ‣ NullReferenceͷྫ֎͕ͰͨΒnullνΣο Ϋ͢Ε͍͍͡Όͳ͍ ‣ ྫ֎͕ग़ͨͳΒɺѲΓͭͿ͍͍ͤ͡Ό ͳ͍ ‣ ༷ॻ͕ແ͍ͳΒιʔεΛݟΕ͍͍͡ Όͳ͍
ਖ਼ղͷ߹ ‣ ίϯςΩετ͕ҧ͑ਖ਼͍͠ࣄ͋Δ
࠷ۙͷྫ ‣ NullReferenceͷྫ֎͕ͰͨΒnullνΣο Ϋ͢Ε͍͍͡Όͳ͍ ‣ ྫ֎͕ͰͨͳΒɺѲΓͭͿ͍͍ͤ͡Ό ͳ͍ ‣ ༷ॻ͕ແ͍ͳΒιʔεΛݟΕ͍͍͡ Όͳ͍
࠷ۙͷྫ ‣ NullReferenceͷྫ֎͕ͰͨΒnullνΣο Ϋ͢Ε͍͍͡Όͳ͍ ‣ ྫ֎͕ͰͨͳΒɺѲΓͭͿ͍͍ͤ͡Ό ͳ͍ ‣ ༷ॻ͕ແ͍ͳΒιʔεΛݟΕ͍͍͡ Όͳ͍
/VMMΛड͚ΔࣄΛఆ͍ͯ͠Δ߹˓
࠷ۙͷྫ ‣ NullReferenceͷྫ֎͕ͰͨΒnullνΣο Ϋ͢Ε͍͍͡Όͳ͍ ‣ ྫ֎͕ͰͨͳΒɺѲΓͭͿ͍͍ͤ͡Ό ͳ͍ ‣ ༷ॻ͕ແ͍ͳΒιʔεΛݟΕ͍͍͡ Όͳ͍
/VMMΛड͚ΔࣄΛఆ͍ͯ͠Δ߹˓ ผʹΒͤͨ͘ͳ͍ྫ֎˓
࠷ۙͷྫ ‣ NullReferenceͷྫ֎͕ͰͨΒnullνΣο Ϋ͢Ε͍͍͡Όͳ͍ ‣ ྫ֎͕ͰͨͳΒɺѲΓͭͿ͍͍ͤ͡Ό ͳ͍ ‣ ༷ॻ͕ແ͍ͳΒιʔεΛݟΕ͍͍͡ Όͳ͍
/VMMΛड͚ΔࣄΛఆ͍ͯ͠Δ߹˓ Α͋͘Δ ผʹΒͤͨ͘ͳ͍ྫ֎˓
Ξϯτϫωοτઢ ‣ ࢲͷΑ͏ͳ۪ຽʹແ͍৽ͨͳࢹ ‣ ϗϯτͷͦΕྑ͍ͷʁ ‣ ৭ʑͳ͔֯Β؍ͯΈΑ͏ ‣ Կࣄਖ਼͍͠໘ͱѱ͍໘͕͋Δ
ઈରѱ ‣ ΈΜͳ͕ಡΊΔ͔Β༷ॻExcelͰॻ͚ ͍͍͡Όͳ͍ ‣ όʔδϣϯཧπʔϧΛΘͳ͍ͳΒɺ มߋཤྺίϝϯτʹॻ͚͍͍͡Όͳ ͍
ઈରѱ ‣ ΈΜͳ͕ಡΊΔ͔Β༷ॻExcelͰॻ͚ ͍͍͡Όͳ͍ ‣ όʔδϣϯཧπʔϧΛΘͳ͍ͳΒɺ มߋཤྺίϝϯτʹॻ͚͍͍͡Όͳ ͍ Ίͯ
ઈରѱ ‣ ΈΜͳ͕ಡΊΔ͔Β༷ॻExcelͰॻ͚ ͍͍͡Όͳ͍ ‣ όʔδϣϯཧπʔϧΛΘͳ͍ͳΒɺ มߋཤྺίϝϯτʹॻ͚͍͍͡Όͳ ͍ Ίͯ ͬͯ
৹ٞத ‣ privateͳmethodʹinstance_evalͰΞΫ ηεͪ͠Ό͍͍͑͡Όͳ͍ ‣ Πϯελϯεมʹinstance_evalͰΞ Ϋηεͪ͠Ό͍͍͑͡Όͳ͍
ۙͳྑ͍ྫ ‣ ಢ͕ԕ͍ͳΒ ܈അʹ͘Ε͍͍͡Όͳ͍
Ϗό ‣ ϏόɾΞϯτϫωοτ
࠷ޙʹ ‣ ϚϦʔ͚ͩʹΫϏΛ ΒΕͳ͍Α͏ʹ ‣ ແࣄʹ2013ԼظΛ ܴ͍͑ͨͰ͢