dictionary对象

让Dictionary key 支持自定义对象

让Dictionary key 支持自定义对象，则对象必须继承IEquatable，重写GetHashCode、Equals class Foo:IEquatable<Foo>{ public string Name { get;set;} public int FooID {get;set;} public override int GetHashCode(){ return Name....

在Swift中将对象数组映射到Dictionary

我有个Person的对象数组：class Person { let name:String let position:Int } 数组是：let myArray=[p1,p1,p3]我想映射myArray成为字典[position:name]的经典解决方案是：var myDictionary=Int:String for person in myArray { ...

词典对象 NSDictionary与NSMutableDictionary

在Objective-C语言中，当然也有这方面的支持，词典对象就是做这个事情的，不过在同一个词典对象中可以保存多个不同类型的数据，不像Java与C只能保存声明的相同类型的数据，这一点还是可以解决不少问题的。词典的关键字为NSDictionary与...

词典对象 NSDictionary与NSMutableDictionary

在Objective-C语言中，当然也有这方面的支持，词典对象就是做这个事情的，不过在同一个词典对象中可以保存多个不同类型的数据，不像Java与C只能保存声明的相同类型的数据，这一点还是可以解决不少问题的。词典的关键字为NSDictionary与...

iOS：把对象直接转化成NSDictionary或JSON

iOS：把对象直接转化成NSDictionary或JSON Mgen|2013-09-18 10:48|15515次浏览|IOS(296)开发(190)应用(36)对象(1)Dictionary(1)0 1.使用实现的结果就是可以把任何对象转化成字典或者字典对应的JSON。字典的数据就是来自对象的属性名称和...

【IOS 开发】Objective-C Foundation 框架-字符串|日期|对象复制|NSArray|NSSet|...

NSMutableString 优点:NSString 中所有的方法,NSMutableString 都可以调用,NSMutableString 对象可以当做 NSString 对象使用;(2)NSMutableString 源码示例源码示例:/*>File Name:OCNSMutableStringTest.m>Author:octopus>Mail:octopus_...

【IOS 开发】Objective-C Foundation 框架-字符串|日期|对象复制|NSArray|NSSet|...

7.NSArray 的 KVO KVC 用法(1)NSArray KVC 简介NSArray KVC 简介:NSArray 可以对元素进行整体 KVC 编码;setValue:forKey:"方法:将所有元素的制定 key 变量设置为某个值;valueForKey:"方法:返回所有元素指定变量值组成的 NSArray 集合;...

使用ConcurrentDictionary替代Hashtable对多线程的对象缓存处理

在之前一段时间里面，我的基类多数使用lock和Hashtable组合实现多线程内缓存的冲突处理，不过有时候使用这两个搭配并不尽如人意，偶尔还是出现了集合已经加入的异常，对代码做多方的处理后依然如故，最后采用了.NET 4.0后才引入的...

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对象存储OSS

对象存储（Object Storage Service，简称 OSS）是海量、安全、低成本、高可靠的云存储服务，具有与平台无关RESTful API，能从互联网任何位置访问。OSS提供标准、低频、归档等类型选择，全面优化存储成本。

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