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
980
Other Decks in Business
See All in Business
フレームワークを生み出すメタフレームワークという考え方 -適応型から生成型へ- #RSGT2025 / From adaptive to generative
kyonmm
PRO
2
2.3k
地図作成ゲーム「ジグソータウン」
chibanba1982
PRO
0
250
Terra Charge|会社紹介 / Terra Charge Company Profile
contents
0
110
akippa株式会社 - 会社紹介資料
akippa
4
61k
【新卒採用】BuySell Technologies会社紹介資料
buyselltechnologies
0
190k
DNX Ventures Japan|Introduction Deck
natsumidnx
0
950
ARI会社説明
arisaiyou
1
6k
プロダクトマネージャーこそがリーダーだった!? リーダーシップ論から見るPdMとスクラムのいびつな関係
bonotake
5
3.3k
enechain company deck
enechain
PRO
8
96k
ビジネスマナー研修用スライド
chibanba1982
PRO
0
150
Cobe Associe: Who we are? /コンサル・市場調査・人材紹介のCobe Associe
nozomi
6
19k
ネオス株式会社 会社紹介
neos
0
100
Featured
See All Featured
[RailsConf 2023 Opening Keynote] The Magic of Rails
eileencodes
28
9.2k
Code Reviewing Like a Champion
maltzj
521
39k
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
29
2.4k
Git: the NoSQL Database
bkeepers
PRO
427
64k
Embracing the Ebb and Flow
colly
84
4.5k
Building a Modern Day E-commerce SEO Strategy
aleyda
38
7k
Fight the Zombie Pattern Library - RWD Summit 2016
marcelosomers
232
17k
Navigating Team Friction
lara
183
15k
Why You Should Never Use an ORM
jnunemaker
PRO
54
9.1k
A Philosophy of Restraint
colly
203
16k
Why Our Code Smells
bkeepers
PRO
335
57k
Principles of Awesome APIs and How to Build Them.
keavy
126
17k
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