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How to survive in post Rails' world. SHIBATA Hiroshi Eiwa System Management,Inc.

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1SPpMF

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SHIBATA Hiroshi a.k.a hsbt tDiary commiter shibata.hiroshi@gmail.com

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http://twitter.com/hsbt/ http://www.hsbt.org/ http://github.com/hsbt/

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asakusa.rb

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RubyKaigi 2010

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Theme

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Conflicts and Resolutions িಥͱղܾ

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ࠓ೔࿩͢͜ͱ ITCU͕೥ʹӬ࿨γε ςϜϚωδϝϯτʹೖࣾͯ͠ ͔Β൒೥ؒͰಘΒΕͨ3VCZ ͱ3BJMTͰָ͘͠աͨ͢͝ Ίʹඞཁͳ͜ͱʹ͍ͭͯ͝঺ հ͠·͢ɻ

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Conflict Learning Methodology Resolution

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ࠓ೔࿩͞ͳ͍͜ͱ tDiary

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Conflict Learning Methodology Resolution

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RubyKaigi2009

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SapporoRubyKaigi02

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೥݄೔ Ӭ࿨γεςϜϚωδϝϯτೖࣾ

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ursm hsbt ͜Μʹͪ͸ ண੮͍ͯ͠·͢

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1SPHSBNNFS`T 4QFD

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hobby tDiary(cgi) gentoo work excel rails ecosystem before rails post rails

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before Rails IUUQXXXqJDLSDPNQIPUPT!/

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tDiary Hiki Kagemai

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sourceforge

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RubyForge

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RAA

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post Rails IUUQXXXqJDLSDPNQIPUPTQBUDBSE

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No content

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No content

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(JU)VC

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Conflict Learning Methodology Resolution

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ursm hsbt ͜Μʹͪ͸ ண੮͍ͯ͠·͢

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Conflicts and Resolutions িಥͱղܾ

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3VCZ3BJMT 1SPHSBNNJOH

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Enumrator IUUQXXXqJDLSDPNQIPUPTSBDIFMLJMMTFNP

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͓୊ ͔Β·Ͱͷ੔ ਺Λ߹ܭͨ͠஋Λ ද͍ࣔͨ͠

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ITCUղ౴ s = 0 [1, 2, 3, 4, 5].each do |v| s += v end s

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ursmղ౴ (1..5).inject(&:+)

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Railsղ౴ (1..5).sum

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͓୊ ͔Β·Ͱͷ੔਺ Λුಈখ਺ʹͨ͠഑ ྻΛ࡞੒͍ͨ͠

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hsbtղ౴ v = [] [1, 2, 3, 4, 5].each do |i| v << i.to_f end v

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VSTNղ౴ (1..5).map(&:to_f)

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͓୊ ͔Β·Ͱͷ੔਺ͷ ͏ͪΛ࠷ॳʹӽ͑ͨ ਺஋ΛऔΓग़͍ͨ͠

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͓୊ ͔Β·Ͱͷ੔਺ͷ ͏ͪΛӽ͑ͨ਺஋ શͯΛऔΓग़͍ͨ͠

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͓୊ SZ

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map / inject reject / detect select / each

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)BTIFSJUJT

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Symbol {:ruby => ‘programming’}

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ͨͱ͑͹IBTIͷLFZͩͬͨ ΓɺΞΫηαͷҾ਺Ͱ౉͢Πϯ ελϯεม਺໊ͩͬͨΓɺ BMJBT@NFUIPEͷҾ਺Ͱ౉͢ ϝιου໊ͩͬͨΓͱɺจࣈʹ ҙຯ͚͍ͮͨ࣌͠ʹ࢖͑·͢ɻ http://d.hatena.ne.jp/secondlife/20051026/1130319610

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h1 = {‘ruby’ => ‘programming’} h2 = {‘ruby’ => ‘programming’} h1.each {|k,v| p k.object_id} => 2164547280 h2.each {|k,v| p k.object_id} => 2164501920 IUUQSBJMTPOFEHFCMPHTQPUDPNVTJOHTZNCPMTIUNM

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h1 = {:ruby => ‘programming’} h2 = {:ruby => ‘programming’} h1.each {|k,v| p k.object_id} => 388828 h2.each {|k,v| p k.object_id} => 388828

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meta programming

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send / method_missing block / Proc / lambda included / extended eval / instance_eval

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Conflict Learning Methodology Resolution

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)PX

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VSTN ITCU ͜Μʹͪ͸ ண੮͍ͯ͠·͢

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(JU)VC

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(JU)VC TPNNFMJF

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Watch ϑΥϧμߏ੒ ίϛοτϝοηʔδ Commits History

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HJUDMPOF

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CVOEMFJOTUBMM CVOEMFPQFO

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)'"

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happy hacking!

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HJUDPNNJU HJUQVTI

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pull request git format-patch origin/master or

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3VCZJTUʹͰ͖Δ͜ͱ IUUQKQSVCZJTUOFUNBHB[JOF 8IBU8F$BO%P

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Head First Rails

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meta programming

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Conflict Learning Methodology Resolution

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CFGPSF 3BJMT ͷ࣌ͷؾ࣋ͪ

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ΦϨͬͯ͹εήʔײ

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ΦϨͬͯ͹εήʔײ ৄ͍͜͠ͱ͸Α͘Θ͔Βͳ͍ ͚Ͳɺ3VCZͰιέοτΛ ࢖͏ίʔυΛॻ͍ͯΈͨΒ͍ ͱ΋؆୯ʹಈ͍ͯ͠·ͬͨ࣌ ͷؾ෼

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ΦϨͬͯ͹εήʔײ

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ΦϨͬͯ͹εήʔײ 3VCZΛ࢝Ίͱͨ͠--ͷଟ͘ ͸ɺιέοτ΍εϨουɺ (6*ɺਖ਼نදݱͱ͍ͬͨগ͠ෑ ډͷߴ͍ٕज़ཁૉ΁ͷΠϯλʔ ϑΣʔεΛɺγϯϓϧͰ࢖͍΍ ͍͢ܗͰఏڙͯ͘͠Ε͍ͯΔ

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ΦϨͬͯ͹εήʔײ ࣗ෼͕༨Γৄ͘͠ͳ͍ٕज़෼໺ Ͱ͋ͬͯ΋ɺඞཁ࠷খݶͷϝ ιουݺͼग़͠Ͱ͜ΕΒͷٕज़ ཁૉΛମݧ͢Δ͜ͱ͕Ͱ͖ɺख ܰʹʮΦϨͬͯ͹εήʔʯײΛ ຯΘ͑ΔͷͰ͋Δɻ

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ΦϨͬͯ͹εήʔײ

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QPTU3BJMT ͷ࣌ͷؾ࣋ͪ

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΋ͬͱΦϨͬ ͯ͹εήʔײ

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ΦϨͬͯ͹εήʔײ IUUQXXXNBDIVKQEJBSZIUNMQ

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HJUIVC

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΋ͬͱΦϨͬͯ͹εήʔײ HJUIVCͰͱΓ͋͑ͣGPSL ͯࣗ͠෼޷Έʹվ଄ͯ͠ QVTI͓͍ͯͨ͠Β͍ͭͷ ؒʹ͔GPSLݩʹऔΓࠐ·Ε ͓ͯྱ·ͰݴΘΕͨ࣌ͷؾ෼

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΋ͬͱ ΦϨͬͯ͹εήʔײ ΦϨͬͯ͹εήʔײ

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TPVSDFGPSHF GFFECBDL

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social communication

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εήʔײͷՃ଎૷ஔ IUUQXXXqJDLSDPNQIPUPTWJMMFT

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HJUIVCFYQMPSFS

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PUIFSMBOHVBHF

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HJUIVCTQBDF

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U%JBSZ PO HJUIVC

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U%JBSZ 3FMFBTFE

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Conflict Learning Methodology Resolution

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3VCZJTUʹͰ͖Δ͜ͱ IUUQKQSVCZJTUOFUNBHB[JOF 8IBU8F$BO%P

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΋ͬͱΦϨͬ ͯ͹εήʔײ

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HJUIVCFYQMPSF

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