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reverse mapping checking getaddrinfo for bogon failed – POSSIBLE BREAK-IN ATTEMPT! 错误
今天做ssh脚本查询远程服务器运行时间登录报了一个reversemappingcheckinggetaddrinfoforbogonfailed–POSSIBLEBREAK-INATTEMPT!错误,但不影响登录。可是看着不顺眼,查查资料解决它, 原因:ssh登录的时候会做一系列安全检查,其中有一项是主机名与ip地址是否能解析,如?.
分类:移动开发   时间:2016-02-21 18:45:58    阅读次数:287
[LeetCode]Letter Combinations of a Phone Number
Given a digit string, return all possible letter combinations that the number could represent. A mapping of digit to letters (just like on the telepho
分类:其他好文   时间:2016-02-17 12:42:22    阅读次数:150
[算法]String to Integer(atoi)
Implement atoi to convert a string to an integer. Hint: Carefully consider all possible input cases. If you want a challenge, please do not see below ...
分类:编程语言   时间:2016-02-17 00:54:23    阅读次数:226
【CodeForces 621A】Wet Shark and Odd and Even
题 Today, Wet Shark is given n integers. Using any of these integers no more than once, Wet Shark wants to get maximum possible even (divisible by 2) s
分类:其他好文   时间:2016-02-12 06:04:40    阅读次数:191
LeetCode 241. Different Ways to Add Parentheses
题目: Given a string of numbers and operators, return all possible results from computing all the different possible ways to group numbers and operators
分类:其他好文   时间:2016-02-02 18:50:56    阅读次数:217
explain简单用法
explain 解释:mysql关键字之一,用于解释某条sql的执行效率 用法:explain select id,name from table where id=1; 基本属性:id,select_type , table , type , possible_keys , key , key_l
分类:其他好文   时间:2016-02-01 18:29:25    阅读次数:130
js017-错误处理与调试
js017-错误处理与调试本章内容理解浏览器报告的错误处理错误调试JS代码17.2 错误处理17.2.1 try-catch语句try{ //possible error code}catch(error){ //how to deal with this error}1、finally子句该子句在...
分类:Web程序   时间:2016-01-26 23:34:45    阅读次数:232
LeetCode 90:Subsets II
Given a collection of integers that might contain duplicates, nums, return all possible subsets. Note: Elements in a subset must be in non-descending order.The solution set must not contain du...
分类:其他好文   时间:2016-01-25 19:38:00    阅读次数:168
Cow Pedigrees
Two possible pedigrees have 5 nodes and height equal to 3: @ @ / \ / \ @ @ a...
分类:其他好文   时间:2016-01-25 16:36:46    阅读次数:155
Subsets II -- LeetCode
Given a collection of integers that might contain duplicates,nums, return all possible subsets.Note:Elements in a subset must be in non-descending ord...
分类:其他好文   时间:2016-01-24 06:59:33    阅读次数:205
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