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
track8
September 22, 2013
Business
5
270
Marie and Me
とちぎRuby会議05懇親会駄話
track8
September 22, 2013
Tweet
Share
More Decks by track8
See All by track8
かえりみち
track8
0
960
Other Decks in Business
See All in Business
エンジニア向け dely会社説明資料 / For Engineers
delyinc
0
170
TOKYOスマート・カルチャー・プロジェクト
tokyo_metropolitan_gov_digital_hr
0
420
We are Wunderbar, Culture Deck Min
wunderbar
0
200
【エンジニア採用】BuySell Technologies会社説明資料
buyselltechnologies
1
51k
【新卒採用】BuySell Technologies会社紹介資料
buyselltechnologies
0
180k
マイナンバーを活用した申請手続の簡素化
tokyo_metropolitan_gov_digital_hr
2
390
急成⻑スタートアップで働くことで得られるもの / 株式会社IVRy(社内LT会)
miyashino
0
390
Crisp Code inc. | わたしたちの事例/実績 - Portfolio
so_kotani
1
590
スピークバディ_法人事業部紹介
speakbuddy
0
520
株式会社スピークバディ 会社紹介資料
speakbuddy
1
210k
AnyMind Group Company Deck (JP)
anymind
2
100k
株式会社kubellストレージ 会社説明資料
kubell_storage
2
150
Featured
See All Featured
The Art of Delivering Value - GDevCon NA Keynote
reverentgeek
5
140
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
37
1.8k
Navigating Team Friction
lara
183
14k
Code Reviewing Like a Champion
maltzj
519
39k
Learning to Love Humans: Emotional Interface Design
aarron
272
40k
The Cost Of JavaScript in 2023
addyosmani
45
6.5k
Into the Great Unknown - MozCon
thekraken
31
1.5k
ピンチをチャンスに:未来をつくるプロダクトロードマップ #pmconf2020
aki_iinuma
106
49k
Testing 201, or: Great Expectations
jmmastey
38
7k
Why Our Code Smells
bkeepers
PRO
334
57k
I Don’t Have Time: Getting Over the Fear to Launch Your Podcast
jcasabona
27
1.9k
Teambox: Starting and Learning
jrom
132
8.7k
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