Personal Information
Organization / Workplace
Tokyo Japan
Occupation
Software Engineer
Website
tadd.hatenablog.jp/
Tags
ruby
rubykaigi
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optimization
rational
decimal
rubykaigi2009
unescape
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rubykaigi2018
ruby2.4
oedo06
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rubykaigi2015
matz
keiju
guruby
tochigirubykaigi03
rejectkaigi
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