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数组去重和数组拍平
1 简单数组去重 1 Array.prototype.unique = function(){ 2 var obj={},res=[]; //temp用于存放去重后的元素 3 4 for(var i=0;i<this.length;i++){ 5 ...
分类:其他好文   时间:2014-08-10 18:10:20    阅读次数:219
001 unique string
以后坚持每个星期都写记到算法题,不论简单还是难,纯熟娱乐! 描述: 实现一个算法来判断一个字符串中的字符是否唯一(即没有重复).不能使用额外的数据结构。 (即只使用基本的数据结构) 代码: #include #include #include #include bool isUnique(const std::string& vStr) { if (vStr.size() ...
分类:其他好文   时间:2014-08-10 13:07:10    阅读次数:185
[Python]sqlite3二进制文件存储问题(BLOB)(You must not use 8-bit bytestrings unless you use a text_factory...)
事情是这样的: 博主尝试用Python的sqlite3数据库存放加密后的用户名密码信息,表是这样的CREATE TABLE IF NOT EXISTS user ( userID INTEGER PRIMARY KEY AUTOINCREMENT, userStudentID BLOB NOT NULL UNIQUE ON CONFLICT IGNORE, use...
分类:数据库   时间:2014-08-10 01:50:29    阅读次数:427
1.1
1.1 Implement an algorithm to determine if a string has all unique characters. Whatif you cannot use additional data structures? 1 #include 2 #includ....
分类:其他好文   时间:2014-08-09 18:17:58    阅读次数:199
[leetcode]Unique Paths
Unique PathsA robot is located at the top-left corner of amxngrid (marked 'Start' in the diagram below).The robot can only move either down or right a...
分类:其他好文   时间:2014-08-09 00:02:06    阅读次数:201
[leetcode]Unique Paths II
Unique Paths IIFollow up for "Unique Paths":Now consider if some obstacles are added to the grids. How many unique paths would there be?An obstacle an...
分类:其他好文   时间:2014-08-08 23:55:17    阅读次数:263
[LeetCode: 题解] Combination Sum
Given a set of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T.The same repeate...
分类:其他好文   时间:2014-08-08 20:54:46    阅读次数:246
Permutations II leetcode java
题目:Given a collection of numbers that might contain duplicates, return all possible unique permutations.For example,[1,1,2] have the following unique....
分类:编程语言   时间:2014-08-08 01:54:55    阅读次数:292
mnesia 动态改变数据库字段
create() ->mnesia:create_table(?ID_TABLE, [{disc_copies, [node()]}, {attributes, record_info(fields, unique_id)}]),Fun = fun(Old) ->#game_server_data{...
分类:数据库   时间:2014-08-07 21:43:30    阅读次数:241
Hibernate之实体类配置
1、@Column属性(1)设置字段属性唯一@Column(unique=true)private String name;Done
分类:系统相关   时间:2014-08-07 18:36:40    阅读次数:266
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