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Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the arr 阅读全文
posted @ 2018-04-01 10:36
bonelee
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Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, return -1. Examples: s = "leetcode" return 0. 阅读全文
posted @ 2018-03-30 22:32
bonelee
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Write a function to delete a node (except the tail) in a singly linked list, given only access to that node. Supposed the linked list is 1 -> 2 -> 3 - 阅读全文
posted @ 2018-03-30 22:08
bonelee
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Assume you are an awesome parent and want to give your children some cookies. But, you should give each child at most one cookie. Each child i has a g 阅读全文
posted @ 2018-03-30 22:05
bonelee
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例如： python dig_ip.py 8264.comRecursive name lookup (simulates dig)...8264.com cname is qaz2d84guo7uz5q2.gfnormal01at.com.[u'121.29.18.91'] =>IP地址 pyth 阅读全文
posted @ 2018-03-30 11:05
bonelee
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Given a Binary Search Tree (BST) with the root node root, return the minimum difference between the values of any two different nodes in the tree. Exa 阅读全文
posted @ 2018-03-29 23:12
bonelee
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Given two strings s and t, write a function to determine if t is an anagram of s. For example, s = "anagram", t = "nagaram", return true. s = "rat", t 阅读全文
posted @ 2018-03-29 22:29
bonelee
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最近DGA检出了一堆阿里高防的域名，例如：u3mbyv2siyaw2tnm.gfnormal09aq.com，然后专门查找了下相关文档。 例如 8264.com 这个网站启用了aliyun的高防DDoS。 dig 8264.com 可以看到：; <<>> DiG 9.10.3-P4-Ubuntu < 阅读全文
posted @ 2018-03-29 19:25
bonelee
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#1 - Network Stresser - http://networkstresser.com#2 - Lifetime Booter - http://lifetimeboot.com#3 - Power Stresser - http://powerstresser.com#4 - Dar 阅读全文
posted @ 2018-03-29 18:01
bonelee
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恶意域名指传播蠕虫、病毒和特洛伊木马或是进行诈骗、色情内容传播等不法行为的网站域名。 恶意域名指传播蠕虫、病毒和特洛伊木马或是进行诈骗、色情内容传播等不法行为的网站域名。本文面临能够的挑战，就是恶意网站经营者所使用的各种技术。近年来，FFSN和DGA技术使得网络攻击更加隐蔽，隐患更难被清除。 现网发 阅读全文
posted @ 2018-03-29 17:00
bonelee
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