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
290
5
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
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
プロシェアリング白書2026_PROSHARING_REPORT_2026
circulation
0
190
スマートキャンプ株式会社 会社紹介資料 / companydeck
smartcamp
19
740k
Algomatic | 会社紹介資料
algomatic
PRO
2
150k
Playwright × AI Agent でE2Eテストはどう変わるか AI駆動テストの可能性と実用検証の結果 _0721
findy_eventslides
2
210
アイエンター採用デック.pdf
ienter
PRO
0
240
01_全社_FLUX採用ピッチ資料_Ver.5.4
flux
11
220k
malna-recruiting-pitch
malna
0
23k
『問題解決』を読んでSkillにしてみた
innovationjp
0
150
新規事業立ち上げにPMMが果たすべき役割と責任 −スケールアップ企業における"プロダクトマーケティング"の可能性
yushimad
1
410
Nstock 採用資料 / We are hiring
nstock
30
390k
2026.7_中途採用資料.pdf
superstudio
PRO
5
120k
「正しいはずの依頼」が届かなかった理由
geneguchi
0
2.6k
Featured
See All Featured
The Language of Interfaces
destraynor
162
27k
Fight the Zombie Pattern Library - RWD Summit 2016
marcelosomers
234
17k
Future Trends and Review - Lecture 12 - Web Technologies (1019888BNR)
signer
PRO
0
3.6k
Done Done
chrislema
186
16k
Public Speaking Without Barfing On Your Shoes - THAT 2023
reverentgeek
1
460
The Curse of the Amulet
leimatthew05
2
13k
HU Berlin: Industrial-Strength Natural Language Processing with spaCy and Prodigy
inesmontani
PRO
0
530
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
55
3.4k
SEO in 2025: How to Prepare for the Future of Search
ipullrank
3
3.6k
Effective software design: The role of men in debugging patriarchy in IT @ Voxxed Days AMS
baasie
0
450
Art, The Web, and Tiny UX
lynnandtonic
304
22k
More Than Pixels: Becoming A User Experience Designer
marktimemedia
3
460
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