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java_tomcat_Server at localhost was unable to start within 45 seconds 小喵咪死活启动报错-二
错误:Server Tomcat v6.0 Server at localhost was unable to start within 45 seconds错误提示就是我们限定了部署的时间导致的错误。修改 workspace\.metadata\.plugins\org.eclipse.wst.s...
分类:编程语言   时间:2014-05-19 17:43:39    阅读次数:280
mongodb与SQL对应关系表
select查询 mongodb使用find或者findOne来查询: find批量查询。 findOne是查询一条记录。 find有两个参数: 第一个查询条件, 第二个查询返回的字段。 下面是mongodb与sql查询的对应关系表:...
分类:数据库   时间:2014-05-18 18:30:49    阅读次数:311
用户目录在Finder中消失的问题
这个问题最早有人报告说,在升级了10.9.3的机器上,用户目录(/Users)会在Finder中消失。但是很多人没有这个问题。经过多人的反复查证,最后锁定在iTunes 11.2更新上。如果用户打开了iCloud中的Find My Mac功能,那么安装了iTunes 11.2的更新后,就会产生这样的问题,而且用户目录/Users的权限会被改为777,也就是任何人都可以在里面读写删除。这个很危险!而...
分类:其他好文   时间:2014-05-18 15:35:54    阅读次数:233
[LeetCode]4Sum
4Sum Given an array S of n integers, are there elements a, b, c, and d in S such that a + b + c + d = target? Find all unique quadruplets in the array which gives the sum of target....
分类:其他好文   时间:2014-05-18 13:49:09    阅读次数:306
LeetCode 016 3Sum Closest
【题目】 Given an array S of n integers, find three integers in S such that the sum is closest to a given number, target. Return the sum of the three integers. You may assume that each input would have exactly one solution. For example, given array S = {...
分类:其他好文   时间:2014-05-18 10:37:57    阅读次数:269
LeetCode 017 4Sum
【题目】 Given an array S of n integers, are there elements a, b, c, and d in S such that a + b + c + d = target? Find all unique quadruplets in the array which gives the sum of target. Note: Elements in a quadruplet (a,b,c,d) must be in non-descending ord...
分类:其他好文   时间:2014-05-18 08:46:04    阅读次数:227
[LeetCode]3Sum Closest
3SumClosest Given an array S of n integers, find three integers in S such that the sum is closest to a given number, target. Return the sum of the three integers. You may assume that each input would have exactly one solution....
分类:其他好文   时间:2014-05-18 05:57:48    阅读次数:244
LeetCode 014 Longest Common Prefix
【题目】 Write a function to find the longest common prefix string amongst an array of strings. 【题意】 求一组字符串的最长公共前缀 【思路】 使用归并思想求解 要求字符串[1,2,..,k,k+1,...n]的最大公共前缀,先分别求[1,2,...k]和[k+1,...,n]的公共前缀...
分类:其他好文   时间:2014-05-18 05:17:53    阅读次数:232
在fragment中显示对话框出现异常
异常类型为:android.view.WindowManager$BadTokenException: Unable to add window 我在fragment中public View onCreateView(LayoutInflater inflater, ViewGroup container,Bundle savedInstanceState) {中试图调用对话框静态工...
分类:其他好文   时间:2014-05-18 04:27:35    阅读次数:240
LeetCode 015 3Sum
【题目】 Given an array S of n integers, are there elements a, b, c in S such that a + b + c = 0? Find all unique triplets in the array which gives the sum of zero. Note: Elements in a triplet (a,b,c) must be in non-descending order. (ie, a ≤ b ≤ c) The so...
分类:其他好文   时间:2014-05-18 03:15:50    阅读次数:287
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