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cisco的ip sla 实例应用--端到端的可用性动态监测
IPSLA是InternetProtocolService-LevelAgreement的缩写,意思是互联网协议服务等级协议。IPSLA主要有以下应用场合:1.静态路由下一跳检测。2.HSRP出接口检测。3.PBR策略路由下一跳检测。本文主要是以静态路由下一跳可达性检测,为例子介绍IPSLA的作用和配置:某种原因下R1和R2..
分类:系统服务   时间:2015-01-02 16:12:30    收藏:0  评论:0  赞:0  阅读:578
[LeetCode]11 Container With Most Water
https://oj.leetcode.com/problems/container-with-most-water/http://fisherlei.blogspot.com/2013/01/leetcode-container-with-most-water.htmlpublicclassSolution{ publicintmaxArea(int[]height){ //SolutionB: //returnmaxArea_BruteForce(height); //SolutionA: retur..
分类:其他   时间:2015-01-02 16:12:20    收藏:0  评论:0  赞:0  阅读:201
[LeetCode]12 Integer to Roman
https://oj.leetcode.com/problems/integer-to-roman/http://fisherlei.blogspot.com/2012/12/leetcode-integer-to-roman.htmlpublicclassSolution{ // //把4,9定义为特殊的字符 //从大到小适配 publicStringintToRoman(intnum){ if(num<1||num>3999) returnnull;//Inva..
分类:其他   时间:2015-01-02 16:12:09    收藏:0  评论:0  赞:0  阅读:212
[LeetCode]13 Roman to Integer
https://oj.leetcode.com/problems/roman-to-integer/http://fisherlei.blogspot.com/2012/12/leetcode-roman-to-integer.html//Symbol Value //I 1 //V 5 //X 10 //L 50 //C 100 //D 500 //M 1,000 publicclassSolution{ publicintromanToInt(Strings){ Map<Character,In..
分类:其他   时间:2015-01-02 16:11:49    收藏:0  评论:0  赞:0  阅读:212
[LeetCode]14 Longest Common Prefix
https://oj.leetcode.com/problems/longest-common-prefix/http://fisherlei.blogspot.com/2012/12/leetcode-longest-common-prefix.htmlpublicclassSolution{ publicStringlongestCommonPrefix(String[]strs) { //Validations if(strs==null||strs.length==0) return""; if(s..
分类:其他   时间:2015-01-02 16:11:39    收藏:0  评论:0  赞:0  阅读:210
Linux软件包管理之编译安装httpd
为什么要编译安装软件呢?有人会问,放着制作好的RPM包不用,干嘛费真么大的劲用源码来编译安装呢?其实,源码包安装有如下好处:1、最大的好处就在于可以根据自身的需求,最大程度上对软件进行定制安装2、源码安装可以选择最新的软件包3、源码包安装的软件卸载时极为方便和简..
分类:Web开发   时间:2015-01-02 16:11:30    收藏:0  评论:0  赞:0  阅读:353
[LeetCode]15 3Sum
https://oj.leetcode.com/problems/3sum/publicclassSolution{ publicList<List<Integer>>threeSum(int[]num){ //SolutionA //returnthreeSum_Sort(num); //SolutionB returnthreeSum_Map(num); } //////////////////// //SolutionA:Sort // //O(n^2) privateLi..
分类:其他   时间:2015-01-02 16:11:19    收藏:0  评论:0  赞:0  阅读:197
[LeetCode]16 3Sum Closest
https://oj.leetcode.com/problems/3sum-closest/http://fisherlei.blogspot.com/2013/01/leetcode-3sum-closest-solution.htmlpublicclassSolution{ publicintthreeSumClosest(int[]num,inttarget){ //Inputvalidations //... Arrays.sort(num); intlen=num.length; intmin..
分类:其他   时间:2015-01-02 16:11:09    收藏:0  评论:0  赞:0  阅读:311
[LeetCode]17 Letter Combinations of a Phone Number
https://oj.leetcode.com/problems/letter-combinations-of-a-phone-number/http://fisherlei.blogspot.com/2012/12/leetcode-letter-combinations-of-phone.htmlpublicclassSolution{ publicList<String>letterCombinations(Stringdigits){ if(digits==null) returnnul..
分类:其他   时间:2015-01-02 16:10:59    收藏:0  评论:0  赞:0  阅读:183
[LeetCode]19 Remove Nth Node From End of List
https://oj.leetcode.com/problems/remove-nth-node-from-end-of-list/http://fisherlei.blogspot.com/2012/12/leetcode-remove-nth-node-from-end-of.html/** *Definitionforsingly-linkedlist. *publicclassListNode{ *intval; *ListNodenext; *ListNode(intx){ *val=x; *nex..
分类:其他   时间:2015-01-02 16:10:49    收藏:0  评论:0  赞:0  阅读:359
[LeetCode]20 Valid Parentheses
https://oj.leetcode.com/problems/valid-parentheses/http://fisherlei.blogspot.com/2013/01/leetcode-valid-parentheses.htmlpublicclassSolution{ publicbooleanisValid(Strings) { if(s==null) returntrue; Stack<Character>stack=newStack<>(); for(charc:s..
分类:其他   时间:2015-01-02 16:10:39    收藏:0  评论:0  赞:0  阅读:248
[LeetCode]22 Generate Parentheses
https://oj.leetcode.com/problems/generate-parentheses/http://fisherlei.blogspot.com/2012/12/leetcode-generate-parentheses.htmlpublicclassSolution{ publicList<String>generateParenthesis(intn){ //SolutionB: //returngenerateParenthesis_BruteForce(n); ..
分类:其他   时间:2015-01-02 16:10:29    收藏:0  评论:0  赞:0  阅读:266
[LeetCode]23 Merge k Sorted Lists
https://oj.leetcode.com/problems/merge-k-sorted-lists/http://fisherlei.blogspot.com/2012/12/leetcode-merge-k-sorted-lists.html/** *Definitionforsingly-linkedlist. *publicclassListNode{ *intval; *ListNodenext; *ListNode(intx){ *val=x; *next=null; *} *} */ pu..
分类:其他   时间:2015-01-02 16:10:19    收藏:0  评论:0  赞:0  阅读:270
[LeetCode]24 Swap Nodes in Pairs
https://oj.leetcode.com/problems/swap-nodes-in-pairs/http://fisherlei.blogspot.com/2013/01/leetcode-swap-nodes-in-pairs.html/** *Definitionforsingly-linkedlist. *publicclassListNode{ *intval; *ListNodenext; *ListNode(intx){ *val=x; *next=null; *} *} */ publ..
分类:其他   时间:2015-01-02 16:10:09    收藏:0  评论:0  赞:0  阅读:269
[LeetCode]25 Reverse Nodes in k-Group
https://oj.leetcode.com/problems/reverse-nodes-in-k-group/http://fisherlei.blogspot.com/2012/12/leetcode-reverse-nodes-in-k-group.html/** *Definitionforsingly-linkedlist. *publicclassListNode{ *intval; *ListNodenext; *ListNode(intx){ *val=x; *next=null; *} ..
分类:其他   时间:2015-01-02 16:09:49    收藏:0  评论:0  赞:0  阅读:281
[LeetCode]26 Remove Duplicates from Sorted Array
https://oj.leetcode.com/problems/remove-duplicates-from-sorted-array/http://fisherlei.blogspot.com/2012/12/leetcode-remove-duplicates-from-sorted.htmlpublicclassSolution{ publicintremoveDuplicates(int[]A){ if(A==null||A.length==0) return0;//Invalidinput. ..
分类:其他   时间:2015-01-02 16:09:39    收藏:0  评论:0  赞:0  阅读:240
[LeetCode]27 Remove Element
https://oj.leetcode.com/problems/remove-element/http://fisherlei.blogspot.com/2012/12/leetcode-remove-element.htmlpublicclassSolution{ publicintremoveElement(int[]A,intelem){ //Theordercanbechanged. //Use2pointers. //Onetoiteratethearray, //Onetocopythelas..
分类:其他   时间:2015-01-02 16:09:29    收藏:0  评论:0  赞:0  阅读:243
[LeetCode]28 Implement strStr()
https://oj.leetcode.com/problems/implement-strstr/http://fisherlei.blogspot.com/2012/12/leetcode-implement-strstr.htmlpublicclassSolution{ publicintstrStr(Stringhaystack,Stringneedle){ //遍历haystack,对每一个字符,匹配needle if(haystack==null||needle==nu..
分类:其他   时间:2015-01-02 16:09:09    收藏:0  评论:0  赞:0  阅读:258
MySQL(二)-常用客户端命令、数据类型、日志
mysql客户端内可以执行的命令有2类:1、客户端命令:不需要加语句结束符,显示的只是mysql这个客户端命令改如何使用,没有涉及服务器的操作,直接使用help,便可以操作。mysql>help delimiter(\d)Setstatementdelimiter. 用来设置结束符,定界符,然后替代默认的分号。 ego(..
分类:数据库技术   时间:2015-01-02 16:08:49    收藏:0  评论:0  赞:0  阅读:371
[LeetCode]31 Next Permutation
https://oj.leetcode.com/problems/next-permutation/http://fisherlei.blogspot.com/2012/12/leetcode-next-permutation.htmlpublicclassSolution{ publicvoidnextPermutation(int[]num){ //SolutionB nextPermutation_Math(num); //SolutionA //nextPermutation_AllPerms(..
分类:其他   时间:2015-01-02 16:08:20    收藏:0  评论:0  赞:0  阅读:330
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