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  1. ふぇのまー(2700X) (phenomer@social.mikutter.hachune.net)'s status on Saturday, 29-Jun-2019 21:45:23 JST ふぇのまー(2700X) ふぇのまー(2700X)

    Rubyでビット反転する演算子、しらんかった
    irb(main):001:0> ~-16
    => 15

    In conversation Saturday, 29-Jun-2019 21:45:23 JST from social.mikutter.hachune.net permalink
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