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新商盟订烟自动获取可订烟数量及自动填充数量
用chrome浏览器: 用户登陆新商盟后输入地址:http://gz.xinshangmeng.com/ecweb/order/cgtList.htm?scComId=&proxyUrl=http://gz.xinshangmeng.com/xsm6&v=_menu 然后按F12》点击Console 把第一步的代码复制下边...
分类:其他好文   时间:2015-02-05 11:43:49    阅读次数:1480
[LeetCode]54.Spiral Matrix
【题目】 Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. For example, Given the following matrix: [ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8, ...
分类:其他好文   时间:2015-02-05 11:18:02    阅读次数:172
UTF-8 有BOM和无BOM
BOM(byte order mark)是为 UTF-16 和 UTF-32 准备的,用于标记字节序(byte order)。微软在 UTF-8 中使用 BOM 是因为这样可以把 UTF-8 和 ASCII 等编码明确区分开,但这样的文件在 Windows 之外的操作系统里会带来问题。「UTF-8」...
分类:其他好文   时间:2015-02-05 11:03:50    阅读次数:141
LeetCode——Spiral Matrix
Given a matrix ofmxnelements (mrows,ncolumns), return all elements of the matrix in spiral order.For example,Given the following matrix:[ [ 1, 2, 3 ],...
分类:其他好文   时间:2015-02-05 10:53:08    阅读次数:131
数据库组合
1.insert into smar_attr select id+1,concat('st',id+1),'#1112fasd1' from smar_attr order by id DESC limit 1例如 需求: ID 其他字段 id20150207001 X...
分类:数据库   时间:2015-02-05 10:53:04    阅读次数:128
Lintcode: Binary Search
Binary search is a famous question in algorithm.For a given sorted array (ascending order) and a target number, find the first index of this number in...
分类:其他好文   时间:2015-02-05 07:02:22    阅读次数:91
[LeetCode]59.Spiral Matrix II
【题目】 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:2015-02-04 23:29:21    阅读次数:236
LeetCode --- 34. Search for a Range
题目链接:Search for a Range Given a sorted array of integers, find the starting and ending position of a given target value. Your algorithm's runtime complexity must be in the order of O(log n). If the...
分类:其他好文   时间:2015-02-04 23:24:39    阅读次数:254
LeetCode --- 35. Search Insert Position
题目链接:Search Insert Position Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in order. You may assume ...
分类:其他好文   时间:2015-02-04 23:21:55    阅读次数:148
MySQL STRAIGHT_JOIN
问题最近在调试一条查询耗时5s多的sql语句,这条sql语句用到了多表关联(inner join),按时间字段排序(order by),时间字段上已经创建了索引(索引名IDX_published_at)。通过explain分析发现,时间字段上的索引没用上(Using temporary和Using ...
分类:数据库   时间:2015-02-04 23:20:49    阅读次数:230
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