Ruby

This article mainly introduces the usage of annotation in Ruby, the usage of annotation is one of the most basic knowledge points in each programming language, and the friend who needs it can refer to Code that is annotated in a Ruby line is

This article mainly introduces the detailed interpretation of Ruby in terms of conditional judgment statements, if, else and other logical judgments are the basis of the programming language, the need for friends can refer to the Ruby offers a

Understanding of the Block concept in Ruby: In this paper, we give a comparison between JavaScript code block and Ruby code block, the need of friends can refer to the following The block in Ruby is generally translated into blocks of code, which

Proficiency in the use of RubyGemsRubyGems is a Ruby plug-in management system that allows you to easily install and manage Ruby library functions. All open source kits can be found on the rubygems. # # #常见指令 Gem-v View the version of

Let's review the basic concepts of design patterns:definitionthe construction of a complex object is separated from its representation, allowing the same build process to create different representations.Builders Hide how the product is assembled,

The distinction between class instance variables, class instance methods, and class variables, class methods, and classes in Ruby is subtle, and the usage is quite different. This article discusses their definition and basic use of the scene to ...I.

I recently read some articles (such as this one) to promote the use of method_missing in Ruby. Many people are steamy with method_missing, but are not careful to deal with each other's relationship. So, I want to explore this question: * * What

To write a CGI script: The most basic ruby CGI script looks like this: #!/usr/bin/ruby puts "http/1.0 OK" puts "content-type:text/html\n\n" puts " This is a test " If you call this script test.cgi upload to a unix/linux web hosting

1. Key words Keywords cannot be used to define variables or constants, Module,class,def, Undef,defined?,if, Then,else,elsif,case, When,unless,for,in,while, Until,next, Break,do,redo,

Web applications are mostly IO-intensive, and using Ruby's multi-process + multithreaded model will greatly increase system throughput. The reason for this is that when a ruby thread is in the IO block state, other threads can continue to execute.

The High-profile Ruby on Rails 2.0 has been released, and the rails framework has maintained a fairly fast version since its inception in 2004 Upgrade Speed: 2005 released the Rails1.0 version, the early 2006 release Rails1.1 version, the early 2007

Advanced Software Engineering The first Class Part I 1 Install Essential Dependecies sudo apt-get update sudo apt-get install-y build-essential OpenSSL curl Libcurl3-dev libreadline6 libreadline6-dev git-core zlib1g Zlib1g-dev

1.Grape is a restful-style ruby micro-framework that runs on rack or in conjunction with Rails/sinatra, simplifying the development of APIs by providing a simple DSL (domain-specific language). It has built-in support for mutiple formats (),

Not long ago, my friend told me that sass to write CSS is very good, I tried to use, then in the use of SASS when the installation is also a point of time, then I tidied up the installation and use of some of the things, share, so that you want to

Dogs has many shared characteristics, like the abilities to wag their tails and drink water from a bowl, but they also ha ve information about them it is variable,Like their breed or their name.Similarly, when designing an application, your users

String handling functions1. Returns the length of a stringStr.length = integer2. Determine if the string contains another stringStr.include? Other_str = True or false "Hello". Include? "Lo" #=> true "Hello". Include? "Ol" #=> false "Hello".

# Ruby's gsub string substitution feature1. You can use hash to replace the corresponding string:"Hello 123 World". Gsub (/hello|world/, ' hello ' = ' hello ', ' world ' = ' world ') # = "Hello 123 World"Although support for the second parameter is

I was eager to learn something new. I heard that ROR is very efficient in development, so I chose Ruby on Rails. It was really difficult to install it, here I will write down my installation experience: 1) install Ruby Download installation

Basic tutorial of Ruby object-oriented programming, ruby Object-Oriented Programming Ruby is a pure object-oriented language, and everything in Ruby is in the form of objects. Every value in Ruby is an object, even the most primitive: String, number,

The debate On Ruby On Rails in the Java Community is already fierce and there will be no signs of stopping in the future. Rails Supporters praised it for its amazing efficiency, which is about compared with Java development. As a Java programmer,