https://developer.apple.com/library/content/documentation/Cocoa/Conceptual/ProgrammingWithObjectiveC/DefiningClasses/DefiningClasses.html#//apple_ref/doc/uid/TP40011210-CH3-SW18 In Objective-C, a class is itself an object with an opaque type called C…

Nested class types Usage and remark Advantage Disadvantage static member classes Use for public helper class, useful only in conjunction with its outer class. (Such as the operation types of a Calculater). Save memory. Class specific. Not instance sp…

## 9. Classes 类 Compared with other programming languages, Python's class mechanism adds classes with a minimum of new syntax and semantics. It is a mixture of the class mechanisms found in C++ and Modula-3. Python classes provide all the standard fe…

该篇是我自己学习iOS开发时阅读文档时随手记下的翻译,有些地方不是很准确,但是意思还是对的,毕竟我英语也不是很好,很多句子无法做到准确的字词翻译,大家可以当做参考,有错误欢迎指出,以后我会尽力翻译的更好,大家一起努力共同进入,有兴趣的同学可以一起学习. 注:部分图片没有上传,可以点我下载源文件: Defining Classes 定义类 When you write software for OS X or iOS, most of your time is spent working with…

Sometimes you need to clone objects, and sometimes you can't use their clone method, and sometimes serialization provides an alternative. Here's an explanation of when you might need this exotic and expensive technique, and how you can use it. When d…

The Original link : http://zeroturnaround.com/rebellabs/rjc301/ Copyright reserved by Rebel Inc In this article we’ll review how dynamic classloaders are used in real servers, containers and frameworks to reload Java classes and applications.  We’ll…

Guide to Python introspection https://www.ibm.com/developerworks/library/l-pyint/ Guide to Python introspection How to spy on your Python objects   Published on December 01, 2002   What is introspection? In everyday life, introspection is the act of…

This example demonstrates how to populate and display a list of objects that are not bound to the database (non-persistent objects). A sample application that stores a list of books will be created in this example. An Action that displays a list of d…

原文地址:http://www.infoq.com/articles/ddd-in-practice Background Domain Driven Design (DDD) is about mapping business domain concepts into software artifacts. Most of the writings and articles on this topic have been based on Eric Evans' book "Domain Dr…

Automake是用来根据Makefile.am生成Makefile.in的工具 标准Makefile目标 'make all' Build programs, libraries, documentation, etc. (same as 'make'). 'make install' Install what needs to be installed, copying the files from the package's tree to system-wide directories.…