ruby programming book

In Ruby's world, programmers enjoy all kinds of bizarre grammatical sugars, and also go through a variety of traps. And it's all about Ruby's powerful metaprogramming capabilities. Metaprogramming is like the magic of the Ruby World, and when it is white magic can help you to make the program very concise, beautiful, and when it is dark magic, you will be lost in some difficult to explain the bug. Ruby Met

There are not many ruby books. I have collected these books from the Internet. Download them and click images. Programming Ruby, Second Edition: getting started with ruby, Version 2, required for learning ruby (UPDATED) Agile Web Development with Ra

Recommended syntax style in Ruby programming, and ruby programming syntax Style Use: Reference constants (including classes and modules) and constructors (such as Array () or Nokogiri: HTML ()).Never use: to call methods. # bad SomeClass::some_method some_object::some_method # good SomeClass.some_method some_obj

Assignment related operations in Ruby programming and ruby programming assignment In earlier versions of Ruby, the return value of the value assignment statement is the return value of the method that sets this attribute. In Ruby1.8, the value of the value assignment stateme

Tutorial on interrupt and return in Ruby programming and tutorial on ruby programming usage The use of the return, break, and next keywords involves the issue of jumping out of the scope. Their difference lies in the different scopes of different keywords jumping out, because there are code blocks, you need to pay spec

Brief explanation of the scope of Ruby Object-Oriented Programming and ruby Object-Oriented Programming Scope Ruby does not have nested scopes (internal scopes, which can be viewed as external scopes). Their scopes are completely separated. Once a new scope is entered, the o

Class methods and class extensions in Ruby object-oriented programming, ruby Object-Oriented Programming Class Method The essence of a class method is a single-piece method that lives in a single-piece class of this class. Three methods are defined: # Method 1 def MyClass. a_class_method; end # method 2 class MyClass d

In-depth analysis of the use of the command mode in Ruby Design Mode Programming, ruby Design Mode The command mode is the design mode with a high usage of the object behavior type, alias: Action, Transaction) Intent: encapsulate a request as an object so that you can parameterize different requests, queue requests or record request logs, and support cancelable o

When learning a new programming language, we must be clear about a few questions:What is the type model of the language?Strongly typed / weakly typed, static type / dynamic typeThe type model changes the way the problem is handled and controls how the language runsWhat is the programming paradigm of language?Object-oriented, functional, procedural, etc.How to interact with the language?Compiling, interpreti

IOS Address Book programming, listening for system address book changes, and ios address book Listen for address book changes The client code must be implemented as follows: /* Remove the registration function */-(void) dealloc {ABAddressBookUnregisterExternalChangeCallback

Application instance analysis of appearance mode in Ruby Design Mode Programming, and ruby Design Mode What is the appearance mode? The appearance mode provides unified interfaces for a group of different interfaces in the subsystem. The upper-layer interfaces are defined. by reducing complexity and hiding the communication and dependency between subsystems, the

Analysis of Ruby source code layout and programming style, analysis of ruby source code Layout Use the UTF-8 as the source file encoding. Each indentation level uses two spaces (also known as soft tabs). Do not use hard tabs # bad - four spaces def some_method do_something end # good def some_method do_something end Use Unix-style line breaks. (* User

Ruby meta-programming summary, ruby Summary When I was asked such questions today, I used to think that this is a broad concept. Even if I have used these features, but I still don't know this is called "metaprogramming" until today when I was asked, I just had an epiphany, and then I made a small summary on the Internet with some of my actual metaprogramming. Th

Ruby metaprogramming and ruby Programming An object model Kernel Module Kernel. private_instance_methods.grep (/^ pr /) Private method 1. If a method receiver is not yourself, you must specify a receiver. 2. A private method can only specify one implicit receiver (a private method that can be called as a superclass) The Class itself is the object of the

Today to the bookstore to see a book called "C # Internet of Things Programming fundamentals " books, interested in the internet of things I grabbed to see, the book is the project is the host computer development projects, simpler, if the Internet of things development is just this, it seems that I do IoT development is more than enough. I looked at this

PHP job book series-PHPWeb programming, job Book web. PHP job book series-PHPWeb programming, job book webPHPWeb programming form 1. what is the maximum transfer capacity of POST and GE

When I bought this book, I was a senior. The University is coming to an end and I am a Bachelor of computer software.We haven't opened a school similarAlgorithmIntroduction and other courses. By the way, there is a similar data structure. It and Linux are my favorite professional courses in college.At that time, I liked csdn, so I became infatuated with the idea that Gartner accepted programming as an algor

Ruby is an object-oriented metaprogramming language that surprised many developers and even raises the question: is there a really better language than Java and C? This article will give a preliminary discussion on the ruby language and try to answer this question. 　　I. Introduction Have you ever heard of Ruby? Today, it has become a popular topic in the software

. range as a condition: Here they act like a bidirectional switch-when the condition in the first part of the interval is true, they open. When the condition in the second part is true, they are closed. For example, in the following code segment, the set of rows obtained from the standard input is printed. The first line of each group contains the start word, and the last line contains the end word. 3. interval: Check whether some values fall into the interval of expression. This can be done us

Simple Socket programming tutorial in Ruby, rubysocket Programming Ruby provides two levels of network access services. At the underlying layer, you can access the Operating System. This allows you to implement basic socket support for connection-oriented and non-connection protocols for clients and servers.