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ios中KeyChain用途
一、在应用间利用KeyChain共享数据 我们可以把KeyChain理解为一个Dictionary,所有数据都以key-value的形式存储,可以对这个Dictionary进行add、update、get、delete这四个操作。对于每一个应用来说,KeyChain都有两个访问区,私有区和公共区.....
分类:移动开发   时间:2014-08-06 22:27:12    阅读次数:215
Cuckoo Hashing
Cuckoo HashingDescriptionOne of the most fundamental data structure problems is the dictionary problem: given a set D of words you want to be able to ...
分类:其他好文   时间:2014-08-06 21:51:12    阅读次数:458
Some thoughts..
I think it is natural for an algorithm rookie that when facing a challenging problem, a rookie may fall into her\his algorithm dictionary - she focuse...
分类:其他好文   时间:2014-08-06 14:36:21    阅读次数:232
枚举类型转换成Dictionary
定义的枚举 public enum BudgetShopType : int { /// /// 装修费预算 /// [EnumMember(Value = "装修费预算")] BudgetDS = 1, ...
分类:其他好文   时间:2014-08-06 14:11:01    阅读次数:217
JDK源码学习09----HashTable
JDK源码学习09----HashTable 1.HashTable简介 Hashtable 也是一个散列表,它存储的内容是键值对(key-value)映射。 Hashtable 继承于Dictionary,实现了Map、Cloneable、java.io.Serializable接口。 Hashtable 的函数都是同步的,这意味着它是线程安全的。它的key、value都不可以为null...
分类:其他好文   时间:2014-08-06 02:00:21    阅读次数:257
Word Ladder II leetcode java
题目:Given two words (start and end), and a dictionary, find all shortest transformation sequence(s) from start to end, such that:Only one letter can b....
分类:编程语言   时间:2014-08-06 01:52:30    阅读次数:251
Word Ladder leetcode java
题目:Given two words (start and end), and a dictionary, find the length of shortest transformation sequence from start to end, such that:Only one letter...
分类:编程语言   时间:2014-08-06 01:35:30    阅读次数:389
The Flat Dictionary
The Flat Dictionary原来的代码没处理dict为空的情况 1 def flatten(dictionary): 2 #[] is a list 3 #() is a tuple 4 stack = [((), dictionary)] 5 6 res...
分类:其他好文   时间:2014-08-05 11:05:59    阅读次数:204
How to find friends
How to find friends思路简单,编码不易 1 def check_connection(network, first, second): 2 link_dictionary = dict() 3 4 for link in network: 5 dr...
分类:其他好文   时间:2014-08-05 11:02:19    阅读次数:245
Python 字典(Dictionary)day11
字典是另一种可变容器模型,且可存储任意类型对象,如其他容器模型。字典由键和对应值成对组成。字典也被称作关联数组或哈希表。基本语法如下:dict={‘Alice‘:‘2341‘,‘Beth‘:‘9102‘,‘Cecil‘:‘3258‘}也可如此创建字典:dict1={‘abc‘:456};dict2={‘abc‘:123,98.6:37};每个键与值..
分类:编程语言   时间:2014-08-05 03:10:09    阅读次数:404
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