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
ruby09
Search
MATSUOKA Kohei
June 04, 2014
Technology
0
250
ruby09
MATSUOKA Kohei
June 04, 2014
Tweet
Share
More Decks by MATSUOKA Kohei
See All by MATSUOKA Kohei
ゼロからわかるRuby超入門の歩き方
machu
2
4.3k
最近のtDiary
machu
1
1.6k
ruby15
machu
0
470
ruby13
machu
0
410
ruby12
machu
1
290
ruby11
machu
0
300
ruby10
machu
0
300
ruby08
machu
0
230
ruby07
machu
0
380
Other Decks in Technology
See All in Technology
リクルートのエンジニア組織を下支えする 新卒の育成の仕組み
recruitengineers
PRO
1
120
システム・ML活用を広げるdbtのデータモデリング / Expanding System & ML Use with dbt Modeling
i125
1
340
Visualize, Visualize, Visualize and rclone
tomoaki0705
9
83k
Potential EM 制度を始めた理由、そして2年後にやめた理由 - EMConf JP 2025
hoyo
2
2.8k
Oracle Database Technology Night #87-1 : Exadata Database Service on Exascale Infrastructure(ExaDB-XS)サービス詳細
oracle4engineer
PRO
1
190
LINE NEWSにおけるバックエンド開発
lycorptech_jp
PRO
0
300
JAWS FESTA 2024「バスロケ」GPS×サーバーレスの開発と運用の舞台裏/jawsfesta2024-bus-gps-serverless
ma2shita
3
260
事業モメンタムを生み出すプロダクト開発
macchiitaka
0
100
生成AI×財務経理:PoCで挑むSlack AI Bot開発と現場巻き込みのリアル
pohdccoe
1
770
クラウド関連のインシデントケースを収集して見えてきたもの
lhazy
9
1.5k
Cracking the Coding Interview 6th Edition
gdplabs
14
28k
MIMEと文字コードの闇
hirachan
2
1.4k
Featured
See All Featured
Docker and Python
trallard
44
3.3k
Refactoring Trust on Your Teams (GOTO; Chicago 2020)
rmw
33
2.8k
Why Our Code Smells
bkeepers
PRO
336
57k
[RailsConf 2023 Opening Keynote] The Magic of Rails
eileencodes
28
9.3k
Embracing the Ebb and Flow
colly
84
4.6k
Thoughts on Productivity
jonyablonski
69
4.5k
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
40
2k
Git: the NoSQL Database
bkeepers
PRO
427
65k
Stop Working from a Prison Cell
hatefulcrawdad
267
20k
We Have a Design System, Now What?
morganepeng
51
7.4k
The Illustrated Children's Guide to Kubernetes
chrisshort
48
49k
Scaling GitHub
holman
459
140k
Transcript
3VCZߨٛୈճ ϝιουͱ֤छԋश χϑςΟגࣜձࣾدෟߨٛ ࣾձՊֶʹ͓͚Δใٕज़ͱίϯςϯπ࡞***
দԬߒฏ ߨࢣ /55ίϜΣΞ᷂ UXJUUFS!NBDIV IUUQTHJUIVCDPNNBDIV IUUQXXXNBDIVKQEJBSZ
ϝιου
IUUQTXXXqJDLSDPNQIPUPTCSF QVUTFBDIͳͲͷ໋ྩจϝιουͰ͢ɻ ϝιουʮίʔυΛػೳ୯ҐͰूΊͨͷʯͰ ͢ɻ ! QVUTQSJOUʮදࣔ͢ΔʯͨΊͷػೳΛूΊ ͯఏڙ͍ͯ͠ΔϝιουͰ͢ɻ ! ϝιουࣗͰ࡞Δ͜ͱͰ͖·͢ɻϝιουΛ ࡞Δ͜ͱͰɺศརͳಓ۩Λ૿͍͚ͯ͠·͢ɻ
ϝιουͷఆٛɺݺͼग़͠ IFMMPΛݺͿͱɺࣄલʹఆ͍ٛͯͨ͠IFMMPϝιουͷॲཧ ͕࣮ߦ͞Ε·͢ɻ ఆٛ ݺͼग़͠ ϝιουΛ࡞ΔʹɺEFGΛ͍·͢ɻ ࡞ͬͨ࣌Ͱɺϝιου࣮ߦ͞Ε·ͤΜɻ EFGIFMMP QVUT)FMMP FOE
IFMMP ڭՊॻ Q IFMMPͱ͍͏໊લͷ ϝιου
ఆٛ ݺͼग़͠ EFGIFMMP XPSE QVUT)FMMP\XPSE^ FOE IFMMP 3VCZ Ҿ͖ͷϝιου
IFMMPϝιου Ҿ 3VCZ XPSE ҾΛͬͯϝιουʹσʔλΛ͢͜ͱ͕ Ͱ͖·͢ɻ ड͚औͬͨΦϒδΣΫτΛ XPSEมʹ֨ೲ
ϝιουͷΓ w ϝιουͷ࠷ޙͷߦͷ͕ɺΓͱͯ͠ ݺͼग़͠ݩʹฦ͞Ε·͢ EFGCNJ IFJHIU XFJHIU XFJHIUIFJHIU
FOE ! QVUTCNJ CNJϝιου Ҿ Γ CNJͷܭࢉ݁ՌΛݺͼग़͠ݩʹ ฦ͢
ϝιουͷྫ w ྻͷ߹ܭΛٻΊΔTVNϝιουΛ࡞Γ·͢ EFGTVN OVNCFST TVN OVNCFSTFBDIEPcOVNc TVN
OVN FOE TVN FOE ! QVUTTVN < > QVUTTVN < > ܭࢉͨ͠߹ܭ TVNมͷத Λ Γͱͯ͠ݺͼग़͠ݩʹฦ͍ͯ͠·͢ Ҿͱͯ͠ड͚औͬͨྻΛ OVNCFSTͱ͍͏มʹ֨ೲ ϝιουͱͯ͠ఆٛ͢ΕԿͰ ݺͼग़͢͜ͱ͕Ͱ͖·͢
ԋश
ԋश w ͜Ε·Ͱͷ͓͞Β͍Λ݉ͶͨԋशͰ͢ w ݅அɺ܁Γฦ͠ɺ"SSBZɺ)BTI w ϑΝΠϧૢ࡞ɺਖ਼نදݱ w Ұؾʹ࡞Ζ͏ͱͤͣʹɺখ͚ͯ͘͞ߟ͑·͠ΐ ͏
ԋश w ԋश(JU)VCͱ͍͏ίʔυڞ༗αΠτʹ ొ͍ͯ͠·͢ɻ w IUUQTHJUIVCDPNNBDIVSVCZ FYFSDJTFT w ӈଆʹ͋Δʮ)5514DMPOF63-ʯ Λίϐʔ͓͍͍ͯͯͩ͘͠͞
ͷμϯϩʔυ w $4"ͷϑΝΠϧը໘͔ΒHJUొΛબ͠·͢
ͷμϯϩʔυ w ϦϙδτϦ63-IUUQTHJUIVCDPNNBDIVSVCZFYFSDJTFTHJU w σΟϨΫτϦ໊SVCZFYFSDJTFT ͖ͬ͞ίϐʔͨ͠ ΞυϨεͰ͢
ͷμϯϩʔυ w SVCZFYFSDJTFTͱ͍͏ϑΥϧμ͕Ͱ͖·͢ w ͜ͷதʹ͕ೖ͍ͬͯ·͢ BSCdBSC
ࢀߟ"SSBZͱ)BTIͷૢ࡞ ͍ํ "SSBZ )BTI ॳظԽ JUFNT<POF UXP> BHFOU\ OBNF4NJUI
BHF^ Ճ JUFNTQVTIUISFF JUFNTGPVS BHFOU<NBJM> N!FYBNQMFDPN ܁Γฦ͠ JUFNTFBDIEPcJUFNc QVUTJUFN FOE BHFOUFBDIEPcLFZ WBMVFc QVUT\LFZ^\WBMVF^ FOE ಛఆཁૉ ͷࢀর JUFNT<> UXP BHFOU<OBNF> 4NJUI
"SSBZͱ܁Γฦ͠ "SSBZΦϒδΣΫτͷཁૉ͕حͷ߲Λશͯ͢ίʔυΛॻ ͍͍ͯͩ͘͞ɻ ྫ͑OVNCFST< >ͷ߹ɺ
͕දࣔ͞ΕΕ0,Ͱ͢ɻ ! ώϯτ·ͣͯ͢ͷࣈͷ߹ܭΛܭࢉ͢ΔίʔυΛॻ͍ͯΈ·͠ΐ͏ɻ ߨٛୈճͷԋश͖ͬ͞ͷTVNϝιουΛࢥ͍ग़͍ͯͩ͘͠͞ɻ ! ώϯτح͔Ͳ͏͔'JYOVNPEE ϝιουͰௐΒΕ·͢ɻ JSCͰࢼͯ͠Έ·͠ΐ͏ɻ PEE USVF PEE GBMTF
"SSBZͱ܁Γฦ͠ JUFNT<\UJUMFB QSJDF^ \UJUMFC QSJDF^ \UJUMFD QSJDF^>
ͱ͍͏)BTIͷྻ͕͋Γ·͢ɻQSJDF͕ҎԼͷ)BTIʹTQFDJBM -PXQSJDFΛՃ͍ͯͩ͘͠͞ɻ UJUMFC QSJDF UJUMFD QSJDF UJUMFB QSJDF UJUMFC QSJDF UJUMFD QSJDF TQFDJBM-PXQSJDF UJUMFB QSJDF TQFDJBM-PXQSJDF JUFNT
"SSBZͱ܁Γฦ͠ ͋Δ"SSBZΦϒδΣΫτ͕༩͑ΒΕͨͱ͖ɺ ྫ ͑< > ͦͷதͰҎԼͷࣈ͕͍ͭ͋͘ Δ͔දࣔ͢ΔίʔυΛॻ͍͍ͯͩ͘͞ɻ !
)BTIͱ܁Γฦ͠ )BTIͷཁૉͷதʹͱ͍͏จࣈؚ͕·ΕΔͱ ͖ʹɺͦͷཁૉΛେจࣈʹม͢ΔίʔυΛॻ ͍͍ͯͩ͘͞ɻ BMJDFZFBI CPCZP MJOEBXPX
BMJDF ZFBI )BTIΦϒδΣΫτ CPC MJOEB ZP XPX BMJDFZFBI CPC:0 MJOEB808
ਖ਼نදݱͱஔ จࣈྻXSJUFதͷFΛUFOʹஔ͠ɺ XSJUUFOʹ͢ΔίʔυΛॻ͍͍ͯͩ͘͞ɻ ! ώϯτɿจࣈྻͷஔ4USJOHHTVCΛ͍·͢ɻ
จࣈྻͱࣈ UFYU UFYU UFYU ͱ͍͏ͭͷจࣈྻΦϒδΣΫτ͕͋Δͱ͖ɺͱͯ͠࠷େ͖͍ ͷΛදࣔ͢ΔίʔυΛॻ͍͍ͯͩ͘͞ɻ ʢ͜ͷ߹ɺΛදࣔʣ ! ߟ͑ํͷҰྫɿ BSSBZΛ࡞Γɺ͜ͷͭΛΦϒδΣΫτʹมͯ֨͠ೲͯ͠ɺNBYϝιουΛݺͿͱ
࠷େ͖͍Λฦ͠·͢ɻ ώϯτɿจࣈྻΦϒδΣΫτΛΦϒδΣΫτʹ͢ΔͷUP@Jϝιου UP@J
)BTIͱϝιου ҾʹϋογϡΛड͚औΔϝιουΛॻ͍ͯ͘ ͍ͩ͞ɻͦͷϝιουͷதͰɺҾͰड͚औͬ ͨϋογϡʹΩʔUFYU͕ͳ͔ͬͨͱ͖ɺ 5IJTPCKFDUEPFTOPUIBWFUFYU LFZͱग़ྗ͢ΔίʔυΛॻ͍͍ͯͩ͘͞ɻ
ฏۉͷܭࢉʲ্ڃʳ BMJDF CPC DBSPMͷࢼݧͷ͕࣍ͷΑ͏ʹ)BTIʹ֨ೲ͞Εͯ ͍·͢ɻ֤ՊͷฏۉΛܭࢉ͍ͯͩ͘͠͞ BMJDF\FOHMJTI NBUI IJTUPSZ^ CPC\FOHMJTI NBUI
IJTUPSZ^ DBSPM\FOHMJTI NBUI IJTUPSZ^ FOHMJTI NBUI IJTUPSZ FOHMJTI NBUI IJTUPSZ FOHMJTI NBUI IJTUPSZ BMJDF CPC DBSPM FOHMJTI NBUI IJTUPSZ BWFSBHF
ϑΝΠϧૢ࡞ ͋ΔςΩετϑΝΠϧΛಡΈࠐΈɺBͱ͍͏จࣈ ྻΛؚΉߦ͚ͩΛը໘ʹද͍ࣔͯͩ͘͠͞ɻ ྫɿ BMJDF CPC DBSPM BMJDF DBSPM
TBNQMFUYU
ԋशղ
ղྫ w ͖͞΄Ͳͷ(JU)VCͷαΠτʹղྫ͕͋Γ· ͢ w IUUQTHJUIVCDPNNBDIVSVCZ FYFSDJTFTUSFFBOTXFS
ࢀߟࢿྉ
BCD ࣮ߦ݁Ռ QVUTBCD ॻࣜ 3VCZίʔυ ࣮ߦ݁Ռ TIFMMίϚϯυ MT
ࡶஊɾ࣭༻GBDFCPPLάϧʔϓ IUUQTXXXGBDFCPPLDPNHSPVQTIJUPUTVCBTIJSC ɾՃೖඇՃೖࣗ༝Ͱ͢ ɾՃೖඇՃೖʹؔ͠·ͤΜ ɾࢀՃऀҰཡެ։͞Ε·͢ ɾࢀՃऀελοϑͱҰࡢɺࡢɺࠓͷडߨऀͰ͢ ɾॻ͖ࠐΈࢀՃऀͷΈݟ͑·͢ ɾرऀΞΫηεͯ͠ࢀՃਃ͍ͯͩ͘͠͞ ɾࡶஊɺ࣭ɺٞͳͲԿͰؾʹͤͣͲ͏ͧʙ ɾ࣭ʹ͑ΒΕΔਓ͍͑ͯ͋͛ͯͩ͘͞
ɾߨࢣਞ͓͑͠·͢ ɾೖͬͨΒܰࣗ͘ݾհ͓Ͷ͕͍͠·͢