DescriptionThe world financial crisis is quite a subject. Some people are more relaxed while others are quite anxious. John is one of them. He is very...
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其他好文 时间:
2015-08-15 22:52:09
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239
代理模式(Proxy Pattern),也叫委托模式。英文定义为:Provide a surrogate or placeholder for another object to control access to it。中文解释为:为其他对象提供一种代理以控制对这个对象的访问。
代理模式的代码示例如下:
/**
* 抽象主题Subject类
* @author LYY...
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其他好文 时间:
2015-08-15 18:22:58
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126
Subject在ReactiveX是作为observer和observerable的一个bridge或者proxy。因为它是一个观察者,所以它可以订阅一个或多个可观察对象,同时因为他是一个可观测对象,所以它可以传递和释放它观测到的数据对象,并且能释放新的对象。
一共有四种为不同用途而设计的Subject,分别为AsyncSubject、BehaviorSubject、PublishSubject。...
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编程语言 时间:
2015-08-15 18:20:08
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1960
原题:DescriptionThe world financial crisis is quite a subject. Some people are more relaxed while others are quite anxious. John is one of them. He is v...
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其他好文 时间:
2015-08-15 18:01:05
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150
DescriptionThe world financial crisis is quite a subject. Some people are more relaxed while others are quite anxious. John is one of them. He is very...
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其他好文 时间:
2015-08-15 16:25:49
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157
Time Limit:1000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64uDescriptionThe world financial crisis is quite a subject. Some people are more rel...
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其他好文 时间:
2015-08-14 21:20:48
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152
/*
* %W% %E%
*
* Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
package java.util;
/**
* The {@co...
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其他好文 时间:
2015-08-14 01:10:03
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118
转载自http://www.csdn.net/article/2010-11-26/282582http://subject.csdn.net/hadoop/一、HDFS的基本概念1.1、数据块(block)HDFS(Hadoop Distributed File System)默认的最基本的存储单...
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其他好文 时间:
2015-08-13 20:03:16
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84
E -LISTime Limit:1000MSMemory Limit:65536KB64bit IO Format:%I64d & %I64uSubmitStatusDescriptionThe world financial crisis is quite a subject. Some peo...
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其他好文 时间:
2015-08-13 14:00:37
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161
数据仓库(Data Warehouse)是一个面向主题的(Subject Oriented)、集成的(Integrate)、相对稳定的(Non-Volatile)、反映历史变化(Time Variant)的数据集合,用于支持管理决策。所谓的(1) 面向主题:指数据仓库中的数据是按照一定的主题域进行组...
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数据库 时间:
2015-08-13 07:43:11
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174