摘要:
解决http://askubuntu.com/questions/339702/network-service-discovery-disabled-what-does-this-mean-for-me/339709#339709To disable it, you must edit the fi...
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posted @ 2015-12-20 17:34
c3tc3tc3t
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摘要:
reject和reject!reject返回不满足代码块的元素数组reject!删除数组中满足代码块的元素a=[1,2,3,5]a.reject! {|x| x4}p cp b[1, 2, 3, 4][1, 2, 3, 4, 5]
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posted @ 2015-12-20 12:28
c3tc3tc3t
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