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Convert Sorted Array to Binary Search Tree
Convert Sorted Array to Binary Search TreeGiven an array where elements are sorted in ascending order, convert it to a height balanced BST.题意:给一个升序排好的...
分类:其他好文   时间:2014-12-27 20:23:04    阅读次数:235
LintCode-Topological Sorting
Given an directed graph, a topological order of the graph nodes is defined as follow:For each directed edge A-->B in graph, A must before B in the ord...
分类:其他好文   时间:2014-12-27 00:15:16    阅读次数:330
LeetCode[Tree]: Binary Tree Zigzag Level Order Traversal
Given a binary tree, return the zigzag level order traversal of its nodes' values. (ie, from left to right, then right to left for the next level and alternate between). For example: Given binary tr...
分类:其他好文   时间:2014-12-26 16:46:08    阅读次数:159
MySQL order by后对其他索引的干扰,导致优化器走错索引
MySQLversion:5.5.36xxx@172.17.62.395.5.36-logxxx10:19:54>showindexfromFD_FINANCE_ACC_HIS;+--------------------+------------+------------------------+--------------+--------------+-----------+-------------+----------+--------+------+------------+--------..
分类:数据库   时间:2014-12-26 14:53:56    阅读次数:293
MySQL 走错索引导致驱动表选错
原sql:selectcount(*)frommpay_ordermpayOrderinnerjoinmrecharge_order_infoorderinfoonmpayOrder.order_num=orderinfo.order_numinnerjoinmpay_tradempayTradeonmpayOrder.order_num=mpayTrade.order_numwhereTRUEandleft(mpayTrade.trade_num,2)=‘10‘andTIMESTAMPDIFF(SECO..
分类:数据库   时间:2014-12-26 14:52:06    阅读次数:661
程序注释
/** *     // 格式化时保证注释体内容不变形 html标签 * @description:          *         描述方法的功能          *  Order  排序方式 asc/desc  // 多个排序字段 id asc ,project_name desc           *  Order by 排序字段  ID * @author:tan...
分类:其他好文   时间:2014-12-26 14:42:22    阅读次数:207
LeetCode:Spiral Matrix II
题目描述: Given an integer n, generate a square matrix filled with elements from 1 to n2 in spiral order. For example, Given n = 3, You should return the following matrix: [ [ 1, 2, 3 ], [ 8,...
分类:其他好文   时间:2014-12-26 13:03:53    阅读次数:169
11Communicating with Other Fragments(Fragment之间的通信)
In order to reuse the Fragment UI components, you should build each as a completely self-contained, modular component that defines its own layout and behavior. Once you have defined these reusable Fra...
分类:其他好文   时间:2014-12-26 09:45:18    阅读次数:210
GPIB名词释义
先花点时间理解一下一下英文的准确含义。request 表示“有礼貌的请求;正式的请求”,是下对上的要求;require表示order, demand, 是“命令,要求”之意,指上对下的要求1.boardboard既可以指理解为Tester端的gpib board,也可以理解为Handler端的gpi...
分类:其他好文   时间:2014-12-25 23:37:09    阅读次数:228
LeetCode[Tree]: Convert Sorted Array to Binary Search Tree
Given an array where elements are sorted in ascending order, convert it to a height balanced BST. 这个问题比较简单,用递归是个不错的选择,我的C++代码实现如下: class Solution { public: TreeNode *sortedArrayToBST(vecto...
分类:其他好文   时间:2014-12-25 22:09:34    阅读次数:241
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