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【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 telephon...
分类:其他好文   时间:2014-06-06 17:50:38    阅读次数:284
毕业设计-6-3
GPS(Graph Processing System),java.lang.OutOfMemoryError: Java heap space,Rdflib,No handlers could be found for logger "rdflib.term"does not look like ...
分类:其他好文   时间:2014-06-06 17:37:26    阅读次数:348
centOS下msyql启动错误-Multiple MySQL running but PID file could not be found
今天在centOS下装mysql时出现了一个错误: 解决方案就是如图所示kill 4734 kill 4839 最后再执行[root@localhost src]# service mysql start就可以了...
分类:数据库   时间:2014-06-05 02:03:02    阅读次数:409
Get the largest sum of contiguous subarray in an int array
When I finished reading this problem,I thought I could solve it by scan every single subarray in the array,and the time complexity is cubic.Every su.....
分类:其他好文   时间:2014-06-04 15:30:52    阅读次数:255
LeetCode: Recover Binary Search Tree [099]
【题目】 Two elements of a binary search tree (BST) are swapped by mistake. Recover the tree without changing its structure. Note: A solution using O(n) space is pretty straight forward. Could you devise a constant space solution? confused what "{1,#,2,3}" ...
分类:其他好文   时间:2014-06-02 10:38:17    阅读次数:246
Spring与Hibernate整合中,使用OpenSessionInViewFilter后出现sessionFactory未注入问题
最近在知乎看到一句话,保持学习的有一种是你看到了更多的牛人,不甘心,真的不甘心。     Spring和hibernate整合的时候,jsp页面做展现,发现展现属性出现: org.apache.jasper.JasperException: could not initialize proxy - no Session - Class: org.hibernate.p...
分类:编程语言   时间:2014-06-02 05:24:04    阅读次数:254
LeetCode: Binary Tree Inorder Traversal [094]
【题目】 Given a binary tree, return the inorder traversal of its nodes' values. For example: Given binary tree {1,#,2,3}, 1 2 / 3 return [1,3,2]. Note: Recursive solution is trivial, could you do it iteratively? confused what "{1,#,2...
分类:其他好文   时间:2014-06-01 13:01:23    阅读次数:279
Populating Next Right Pointers in Each Node II
Follow up for problem "Populating Next Right Pointers in Each Node".What if the given tree could be any binary tree? Would your previous solution stil...
分类:其他好文   时间:2014-05-30 16:17:49    阅读次数:210
Copy List with Random Pointer
A linked list is given such that each node contains an additional random pointer which could point to any node in the list or null.Return a deep copy ...
分类:其他好文   时间:2014-05-30 15:07:49    阅读次数:260
java 环境变量设置
jdk1.4之后版本不需要设置Classpath变量。 如果在Classpath变量中没有添加当前路径,即 [.](无括号),在命令行中运行java Helloworld会出现错误:Error: Could not find or load main class Helloworld这是由于指定了C...
分类:编程语言   时间:2014-05-30 14:54:11    阅读次数:331
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