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新手问题 怎样在 2000 个数组当中随机抽取其中的 500 个粉丝

easonlovejiven · January 18, 2015 · Last by luikore replied at January 18, 2015 · 1524 hits

怎样在 2000 个数组当中随机抽取其中的 500 个粉丝。。。。。谢谢

luikore #1 January 18, 2015

[*1..2000].sample 500

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