snomedct 3.4中文电子版

snomedct 3.4中文电子版

Objective-C+第一版中文版.pdf

设定环境 ¡ 前言 ¡ 编译hello world l 创建Classes ¡ @interface ¡ @implementation ¡ 把它们凑在一起 l 详细说明... ¡ 多重参数 ¡ 建构子（Constructors） ¡ 存取权限 ¡ Class level access ¡ 异常情况（Exceptions）处理 l 继承、多型（Inheritance, Polymorphism）以及其它对象导向功能 ¡ id 型别 ¡ 继承（Inheritance） ¡ 动态识别（Dynamic types） ¡ Categories ¡ Posing ¡ Protocols l 内存管理 ¡ Retain and Release（保留与释放） ¡ Dealloc ¡ Autorelease Pool l Foundation Framework Classes ¡ NSArray ¡ NSDictionary l 优点与缺点 l 更多信息

ObjectC第二版英文版

Contents Introduction Introduction to The Objective-C 2.0 Programming Language 11 Who Should Read This Document 12 Organization of This Document 12 Conventions 13 See Also 13 Chapter 1 Objects and Classes 15 Objects 15 id 15 Dynamic Typing 16 Object Messaging 16 Message Syntax 17 Sending Messages to nil 18 The Receiver’s Instance Variables 18 Polymorphism 19 Dynamic Binding 19 Classes 20 Inheritance 20 Class Types 23 Class Objects 25 Class Names in Source Code 29 Chapter 2 Defining a Class 31 Source Files 31 Class Interface 32 Importing the Interface 33 Referring to Other Classes 33 The Role of the Interface 34 Class Implementation 34 Referring to Instance Variables 35 The Scope of Instance Variables 36 Chapter 3 Categories and Extensions 41 Adding Methods to Classes 41 3 2008-02-05 | © 2008 Apple Inc. All Rights Reserved. How you Use Categories 42 Categories of the Root Class 43 Extensions 43 Chapter 4 Properties 45 Overview 45 Motivation 45 Declaring Properties 46 Accessing Properties 46 Property Declaration and Implementation 46 Property Declaration 47 Property Implementation Directives 47 Property Declaration Attributes 48 Copy 50 Property Re-declaration 51 Performance and Threading 51 Markup and Deprecation 52 Core Foundation 52 Example 53 The Dot Syntax 54 Overview 54 nil Values 56 self 56 Performance and Threading 56 Usage Summary 57 Abusage Summary 57 Properties and Key-Value Coding 58 Subclassing with Properties 59 Property Introspection 59 Runtime Differences 60 Chapter 5 Protocols 61 Declaring Interfaces for Others to Implement 61 Methods for Others to Implement 62 Declaring Interfaces for Anonymous Objects 63 Non-Hierarchical Similarities 63 Formal Protocols 64 Declaring a Protocol 64 Optional Protocol Methods 65 Informal Protocols 65 Protocol Objects 66 Adopting a Protocol 66 Conforming to a Protocol 67 Type Checking 68 4 2008-02-05 | © 2008 Apple Inc. All Rights Reserved. C O N T E N T S ProtocolsWithin Protocols 68 Referring to Other Protocols 69 Chapter 6 Fast Enumeration 71 The for…in Feature 71 Using Fast Enumeration 72 Implementing the NSFastEnumeration Protocol 73 Chapter 7 How Messaging Works 75 The objc_msgSend Function 75 Selectors 78 Methods and Selectors 78 Method Return and Argument Types 79 Varying the Message at Runtime 79 The Target-Action Design Pattern 79 Avoiding Messaging Errors 80 Dynamic Method Resolution 81 Using Hidden Arguments 81 Messages to self and super 82 An Example 83 Using super 84 Redefining self 85 Chapter 8 Enabling Static Behavior 87 Static Typing 87 Type Checking 88 Return and Argument Types 89 Static Typing to an Inherited Class 89 Getting a Method Address 90 Chapter 9 Exception Handling 91 Handling Exceptions 91 Throwing Exceptions 92 Processing Exceptions 92 Chapter 10 Threading 95 Synchronizing Thread Execution 95 Chapter 11 Using C++ With Objective-C 97 Overview 97 5 2008-02-05 | © 2008 Apple Inc. All Rights Reserved. C O N T E N T S Mixing Objective-C and C++ Language Features 97 C++ Lexical Ambiguities and Conflicts 100 Chapter 12 The Runtime System 103 Interacting with the Runtime System 103 Allocating and Initializing Objects 104 The Returned Object 105 Arguments 106 Coordinating Classes 106 The Designated Initializer 108 Combining Allocation and Initialization 110 Memory Management 111 Forwarding 112 Forwarding and Multiple Inheritance 113 Surrogate Objects 114 Forwarding and Inheritance 115 Dynamic Method Resolution 116 Dynamic Loading 117 Remote Messaging 117 Distributed Objects 118 Language Support 119 Type Encodings 123 Appendix A Language Summary 127 Messages 127 Defined Types 127 Preprocessor Directives 128 Compiler Directives 128 Classes 130 Categories 130 Deprecation Syntax 131 Formal Protocols 131 Method Declarations 132 Method Implementations 132 Naming Conventions 133 Appendix B Grammar 135 External Declarations 136 Type Specifiers 139 Type Qualifiers 139 Primary Expressions 140 Exceptions 141 Synchronization 141 6 2008-02-05 | © 2008 Apple Inc. All Rights Reserved. C O N T E N T S Glossary 143 Document Revision History 147 Index 151

Cocoa编程.pdf

Cocoa Programming for Mac OS X 3rd 翻译版 版 权：属于appleboy(唐朝) 原文链接：http://blog.sina.com.cn/s/articlelist_1576524975_0_1.html PDF 制作：jinifly 英文原版：共35章 现有章节：共16章 开篇(2008-12-30 17:37:51) ......................................................................................................... 6 第一章：什么是Cocoa .................................................................................................................... 6 第二章：起步 ................................................................................................................................ 13 XCode ..................................................................................................................................... 13 Interface Builder ...................................................................................................................... 18 文档........................................................................................................................................ 35 你做了什么? ........................................................................................................................... 35 第三章: Objective-C 语言 ........................................................................................................... 38 创建,使用对象 ....................................................................................................................... 39 使用已有的类 ......................................................................................................................... 41 创建自己的类 ......................................................................................................................... 52 调试器.................................................................................................................................... 64 你做了什么? ........................................................................................................................... 68 思考: 消息机制工作原理是什么? ........................................................................................ 68 挑战........................................................................................................................................ 70 第四章: 内存管理 ......................................................................................................................... 71 开关garbage collector ...................................................................................................... 72 使用Garbage Collection .................................................................................................... 74 使用Retain 计数 .................................................................................................................. 75 第五章: Target/Action ............................................................................................................... 84 一些常用的NSControl子类 ................................................................................................. 86 开始SpeakLine例子 ............................................................................................................. 89 布局界面 (nib file) ........................................................................................................... 90 挑战........................................................................................................................................ 95 调试建议 ................................................................................................................................ 96 第六章: 辅助(helper)对象 .......................................................................................................... 98 代理 - Delegates ................................................................................................................. 98 NSTableView 和它的 dataSource ..................................................................................... 102 布局用户界面 ....................................................................................................................... 105 连接...................................................................................................................................... 106 编辑AppController.m ........................................................................................................ 107 思考:代理是怎么工作的? ................................................................................................... 110 挑战: 生成一个Delegate .................................................................................................. 112 挑战: 生成一个Data Source ............................................................................................ 112 第七章: Key-Value Coding. Key-Vaule Observing ................................................................. 114 Key-Value Coding ............................................................................................................... 114 绑定 (Binding) ................................................................................................................... 116 Key-Value Observing ......................................................................................................... 118 观察key ............................................................................................................................... 119 Properties 和它们的属性 ................................................................................................. 121 Property的属性 .................................................................................................................. 122 4 页 思考: Key Path ................................................................................................................... 122 思考: Key-Value Observing ............................................................................................. 123 第八章:NSArrayController ....................................................................................................... 125 开始RaiseMan程序 ............................................................................................................. 126 Key-Vaule Coding 和 nil ................................................................................................. 133 增加排序 ............................................................................................................................... 134 思考: 不使用NSArrayController来进行排序 ............................................................... 135 挑战1................................................................................................................................... 136 挑战2................................................................................................................................... 136 第九章:NSUndoManager ............................................................................................................... 138 NSInvocation ....................................................................................................................... 138 NSUndoManager是怎样工作的 ............................................................................................ 138 为RaiseMan添加Undo功能 ............................................................................................... 141 Key-Vaule Observing ......................................................................................................... 144 Undo编辑 .............................................................................................................................. 145 插入后开始编辑 ................................................................................................................... 147 思考: Windows和Undo Manager ....................................................................................... 149 第十章:Archiving ....................................................................................................................... 151 NSCoder 和NSCoding .......................................................................................................... 152 Document Architecture ..................................................................................................... 154 Saving 和 NSKeyedArchiver ............................................................................................. 158 Loading和NSKeyedUnarchiver ......................................................................................... 159 设置后缀名和图标 ............................................................................................................... 160 思考:避免死循环 ................................................................................................................. 163 思考: 创建Protocol .......................................................................................................... 164 通用类型描述[UTI] ............................................................................................................. 164 第十一章: Core Data基本原理 .................................................................................................. 167 NSManagedObjectModel ....................................................................................................... 167 Interface ............................................................................................................................. 169 Core Data 是怎么工作的 ................................................................................................... 175 第十二章: Nib 文件和 NSWindowController ............................................................................ 178 NSPanel ................................................................................................................................ 178 给程序添加一个Panel ........................................................................................................ 179 思考: NSBundle ................................................................................................................... 189 挑战...................................................................................................................................... 189 第十三章: User Defaut ............................................................................................................... 190 NSDictionary 和 NSMutableDictionary ......................................................................... 190 NSUserDefaults ................................................................................................................... 192 设置程序的Identifier ...................................................................................................... 194 给Defaults Key命名 ......................................................................................................... 194 Registering Defaults ....................................................................................................... 195 让用户编辑defaults .......................................................................................................... 196 使用Defaults ...................................................................................................................... 197 5 页 思考: NSUserDefaultsController ................................................................................... 199 思考:使用Command line来读写Defaults ...................................................................... 199 挑战...................................................................................................................................... 200 第十四章: 使用 Notifications ................................................................................................. 201 什么是Notification? ........................................................................................................ 201 Notifications 不是什么 ................................................................................................... 201 NSNotification 和 NSNotificationCenter ................................................................... 202 发送一个Notification ...................................................................................................... 204 注册成为Observer .............................................................................................................. 204 处理Notification .............................................................................................................. 205 userInfo Dictionary ......................................................................................................... 205 思考...................................................................................................................................... 206 挑战...................................................................................................................................... 207 第十五章: 使用 Alert Panels .................................................................................................... 208 让用户确认删除 ................................................................................................................... 209 挑战...................................................................................................................................... 211 第十六章: 本地化 ........................................................................................................................ 212 本地化nib文件 ................................................................................................................... 213 String Tables ..................................................................................................................... 215 思考：ibtool ....................................................................................................................... 218 思考：用格式化串标明Token的顺序 ............................................................................... 219

优化Windows Server自带的互联网信息服务器(IIS).doc

　Windows Server自带的互联网信息服务器（Internet Information Server，IIS）是架设网站服务器的常用工具，它是一个既简单而又麻烦的东西，新 手都可以使用IIS架设一个像模像样的Web站点来，但配 置、优化IIS的性能，使得网站访问性能达到最优状态却不是 一件简单的事情，这里我就介绍一下如何一步一步的优化你的IIS服 务器。

radware全局负载均衡解决方案中文版

1 需求分析 3 2 Radware 全局负载均衡解决方案 3 2.1 方案拓扑图 4 2.2 AppDirector-Global实现全局及本地负载均衡 4 2.2.1 全局负载均衡策略 4 2.2.2 就近性计算 5 2.2.3 健康状况检查 5 2.2.4 交易完整性的可靠保证 5 2.2.5 完全的容错与冗余 6 2.2.6 通过正常退出服务保证稳定运行 6 2.2.7 智能的服务器服务恢复 6 2.2.8 通过负载均衡优化服务器资源 6 2.2.9 应用交换 6 2.2.10 URL交换 6 2.2.11 内容交换 7 2.3 AppDirecto-Global实现带宽管理 7 2.4 AppDirecto-Global实现端到端应用安全解决方案 7 3 Radware 全局解决方案的优势 8 3.1.1 AppDirector-Global同时支持本地和全局服务器负载均衡 8 3.1.2 Radware的全局三角传输技术可以确保真正的网络就近性判断 8 3.1.3 Radware的全局重定向技术可以支持三级的重定向 9

Radware AppDirector中文配置手册

Radware 的全局负载均衡解决方案能够帮助客户通过将相同服务内容布署在处于不同物理地点的多个数据中心中得到更高的可用性、性能、以及更加经济和无懈可击的安全性，以便在全球范围内的客户获得更快的响应时间。 Radware的全局负载均衡解决方案支持 Radware 下一代 APSolute OS 软件体系结构的全部功能，彻底解决了网络可用性、性能和安全问题，使得应用在多个数据中心中获得更高的灵敏并具有自适应性。配合Radware 的高速度、高容量 ASIC芯片+NP处理器的专用硬件应用交换设备，可有效保障网络应用的高可用性、提升网络性能，加强安全性，全面提升IT服务器等网络基础设施的升值潜力。 结合Radware多年来在智能应用流量管理领域的经验，以及对用户实际需求的分析，我们认为负载均衡器应具备如下功能：  能够通过唯一的IP地址或域名的方式作为所有提供相同服务的数据中心的逻辑入口点。  全局负载均衡交换机具有灵活的流量分配算法与机制，以确保用户总能访问可以为其提供最优服务的数据中心的内容。  通过部署高性能的负载均衡产品，能够及时发现各数据中心或数据中心内部的服务器的健康状况，当某个数据中心出现故障时，保证把后续用户的访问导向到正常运行的数据中心上。  针对基于会话的业务，可以提供多种会话保持机制，确保用户在处理业务时的连续性。避免将用户的相同会话的业务请求，分配到不同的数据中心而造成访问失败。  应具备安全过虑及防DOS/DDOS的功能，为服务器提供多一层安全保障  具有很好的升级与可扩展性，能够适应特定的和不断变化的业务需求。

sar 与vmstat命令.txt

sar与vmstat命令简介 vmstat命令报告内核线程，虚拟内存、磁盘、陷阱、和CPU活动情况。 Kthr 线程活动情况 r 运行队列 b 等待队列

AIX操作系统上的SMT技术.doc

AIX操作系统上的SMT技术相关的介绍 SMT技术不仅需要AIX操作系统支持，更需要power芯片硬件的支持，这种技术允许在一颗物理CPU（core)上并发的的执行两个线程，通过这种技术可以大大提高CPU处理单元的利用率，一般可以使系统（CPU成为瓶颈的系统）性能提高30%以上....

Log4Net使用指南.doc

1 简介 1.1 Log4net的优点： 1.2 Log4net的安装： 2 Log4net的结构 2.1 Logger 2.1.1 Logger接口 2.1.2 日志的级别 2.2 Repository 2.3 Appender 2.4 Appender Filters 2.5 Layout 3 在程序中使用log4net 3.1 定义配置文件 3.1.3 <appender> 3.1.4 log4net.Layout.PatternLayout中的转换模式(ConversionPattern) 3.1.5 <filter> 3.2 使用配置文件 3.2.1 关联配置文件 3.2.2 创建或获取日志对象 3.2.3 输出日志信息 3.3 在程序中配置log4net 4 总结