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LeetCode: Search a 2D Matrix [074]
【题目】 Write an efficient algorithm that searches for a value in an m x n matrix. This matrix has the following properties: Integers in each row are sorted from left to right. The first integer of each row is greater than the last integer of the previous ...
分类:其他好文   时间:2014-06-05 08:28:43    阅读次数:321
Coreseek:第二步建索引及测试
1,建索引很简单,一行代码 g:/service/coreseek/bin/indexer -c g:/service/coreseek/etc/csft_mysql.conf   person 前面是你bin目录下的indexer程序 后面-c指后面会跟配置文件 然后是配置文件地址 最好都用绝对地址 在后面是索引 也可以用--all 即对配置文件的所有部分都做索引 然后写成一个批处理文...
分类:其他好文   时间:2014-06-04 23:22:13    阅读次数:256
Recover Binary Search Tree
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 ...
分类:其他好文   时间:2014-06-03 13:53:21    阅读次数:309
READ TABLE ..... BINARY SEARCH问题
Read Table 的语法很多,这里说一种特殊情况,Read Table 中查询的时候对标准内表经常有一种二分优化查找,用Binary search的时候首先必须要有查询条件;但如果查询条件满足的项目不至一条时,这时得到的是这些数据中索引排在最前面的数据; 如: 001 0001 2010010....
分类:其他好文   时间:2014-06-03 12:06:45    阅读次数:224
LeetCode: Search in Rotated Sorted Array II [081]
【题目】 Follow up for "Search in Rotated Sorted Array": What if duplicates are allowed? Would this affect the run-time complexity? How and why? Write a function to determine if a given target is in the array. 【题意】 在“Search in Rotated Sorted Array”的基...
分类:其他好文   时间:2014-06-03 01:55:38    阅读次数:173
LeetCode: Word Search [079]
【题目】 Given a 2D board and a word, find if the word exists in the grid. The word can be constructed from letters of sequentially adjacent cell, where "adjacent" cells are those horizontally or vertically neighboring. The same letter cell may not be use...
分类:其他好文   时间:2014-06-03 01:07:58    阅读次数:329
php 字符串函数
1查找字符位置函数:strpos($str,search,[int]):查找search在$str中的第一次位置从int开始;stripos($str,search,[int]):函数返回字符串在另一个字符串中第一次出现的位置。该函数对大小写不敏感strrpos($str,search,[int])...
分类:Web程序   时间:2014-05-31 14:07:06    阅读次数:329
dlsym
在Android源码中发现,会如下使用:dlsym(RTLD_DEFAULT, name);也就是说 handle=RTLD_DEFAULT,在网上查了下,大致是说会在当前进程中按照 default library search order搜索name这个symbol。其中RTLD_DEFAULT=...
分类:其他好文   时间:2014-05-31 13:12:22    阅读次数:196
KEYCODE列表
KEYCODE_CALL 拨号键 5KEYCODE_ENDCALL 挂机键 6KEYCODE_HOME 按键Home 3KEYCODE_MENU 菜单键 82KEYCODE_BACK 返回键 4KEYCODE_SEARCH 搜索键 84KEYCODE_CAMERA 拍照键 ...
分类:其他好文   时间:2014-05-31 11:34:41    阅读次数:377
Convert Sorted Array to Binary Search Tree
Given an array where elements are sorted in ascending order, convert it to a height balanced BST./** * Definition for binary tree * struct TreeNode { ...
分类:其他好文   时间:2014-05-30 15:10:23    阅读次数:227
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