Perrotta, Paolo. (2010) "Metaprogramming Ruby - Program Like the Ruby Pros". The Pragmatic Bookshelf Programmers. Edited by Jill Steinberg.Version 2010-1-29, Texas.P. Perrotta, Metaprogramming Ruby 2: Program like the Ruby Pros, 2nd ed., The Pragmatic Bookshelf, 2014.Paolo Perrotta....
Metaprogramming Ruby, Second Editionmakes mastering the language enjoyable. The book is packed with: Pragmatic examples of metaprogramming in action, many of which come straight from real-life gems such as Rails. Programming challenges that let you experiment and play with some of the most out-ther...
《Ruby元编程(第2版)》在大量剖析实例代码的基础上循序渐进地介绍Ruby特有的实用编程技巧。通过分析案例、讲解例题、回顾Ruby类库的实现细节,作者不仅向读者展示了元编程的优势及其解决问题的方式,更详细列出33种发挥其优势的编程技巧。本书堪称动态语言设计模式。Ruby之父松本行弘作序推荐。
4. 使用method_missing来做有趣的事 Use method_missing to do interesting things 除了闭包(block),method_missing可能是Ruby最强大的特性,也是最容易滥用的一个。用好method_missing的话有些代码会变得超级简单,甚至是不能缺少。一个好的例子(Camping)是扩展Hash: 复制代码代码如下: class Hash def method_missing...
This book describes metaprogramming as an essential component of Ruby. Once you understand the principles of Ruby, including the object model, scopes, and eigenclasses, you're on your way to applying metaprogramming both in your daily work and in your fun, after-hours projects. ...
–Metaprogramming Ruby In Ruby, it seems, metaprogramming is used more often than in other dynamically typed languages, especially in Rails, for example: Path and URL Helpers. The downside of dynamic metaprogramming is that there is no source code for the “thing”: you see a function, but ...
接触了一段时间得ruby on rails,深深被ror的magic,powerful,elegantly所折服,同时也对ruby这个神奇的语言本身产生了很大的好奇心,而其中最神奇的莫过于ruby 的 Metaprogramming。 Classes are open 我们先看一段代码: 1 2 3 4 5 6 7 class String def say_hello p "Hello!" end end "Fred".say_hello ...
半句**ne 上传2KB 文件格式 zip 第10 周:创客学院 在Ruby 中玩转元编程 挑战: 使用method_missing重新定义对象在询问has_unknown_attribute时的Reacthas_unknown_attribute 。 使用define_method创建Ruby 内置attr_accessor方法的布尔版本。 代码片段: 使用define_method attr_accessor方法 def self . attr_accessor?
问Ruby.Metaprogramming。class_evalEN我的代码中似乎有一个错误。然而，我就是找不到。您将在Sergios ...
近年来大多数依赖都以代码仓库的形式供人使用,这样就可以集中托管大量依赖;同时它们也会提供非常方便的安装机制。像是Ubuntu的系统包都在包仓库中,并能通过apt工具管理,Ruby库有RubyGems,Python库有PyPi,Arch Linux的用户贡献包则有Arch User Repository。