巴山夜雨1989

摘要： Objective -C Memory Management内存管理第一部分 Memory management is part of a more general problem in programming called resource management. 内存管理是资源管理的一部分。 Every computer system has finite resources for ... 阅读全文

摘要： Objective-C Foundation框架 Example：Looking for Files查找文件NSFileManager. The NSFileManager class lets you do stuff with the file system, like create direc... 阅读全文

摘要： Objective - c Foundation框架详解2Collection AgencyCocoa provides a number of collection classes such as NSArray and NSDictionary whose instances exist jus... 阅读全文

摘要： object -c OOP ,源码组织，Foundation框架详解1 1.1 So what is OOP? OOP is a way of constructing software composed of objects. Objects are like little machines living inside your computer and talking to e... 阅读全文

摘要： Objective - c Chapter 1 Hello world 1.1 1.2.On the Welcome screen, click "Create a new Xcode project" (see Figure 2-1), or just chooseFile ->New ->N... 阅读全文

摘要： Compiler 1.6.5 —1.6.7Dynamic Scope Technically, any scoping policy is dynamic if it is based on factor(s) that can be known only when the program exec... 阅读全文

摘要： 13 Red-black Trees Red-black trees are one of many search-tree schemes that are "balanced" in order to guarantee that basic dynamic-set operations take O(lgn) time in the worst case. Red-black ... 阅读全文

摘要： 12. binary search Trees The search tree data structure supports many dynamic-set operations,including search ,minimum,maximum,predecessor,successor ,insert ,and delete. Thus, we can use a se... 阅读全文

摘要： 11 Hash tables Many applications require a dynamic set that supports only the dictionary operations INSERT, SEARCH, and DELETE. For example, a compiler that translates a programming language mainta... 阅读全文

摘要： Algorithms 10.3 Implementing pointers and objects and 10.4 Representing rooted trees Allocating and freeing objects 分配和释放对象it is useful to manage the ... 阅读全文