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linux配置新的IP在/etc/sysconfig/network-scripts/ifcfg-eth0 此后需要删除/etc/udev/rules.d/70-persistent-rule文件 再service network restart即可 阅读全文
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Given a sequence of positive numbers, a segment is defined to be a consecutive subsequence. For example, given the sequence { 0.1, 0.2, 0.3, 0.4 }, we 阅读全文
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This time your job is to fill a sequence of N positive integers into a spiral matrix in non-increasing order. A spiral matrix is filled in from the fi 阅读全文
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A supply chain is a network of retailers（零售商）, distributors（经销商）, and suppliers（供应商）-- everyone involved in moving a product from supplier to customer 阅读全文
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When register on a social network, you are always asked to specify your hobbies in order to find some potential friends with the same hobbies. A socia 阅读全文