Ruby on Rails has always been popular in China and the world. You will see stacked Ruby and Java in Java websites, search engines, and hot forums, and the two of them seem to be incompatible with each other. Even oreilly, a master who has been supporting Java for many years, began to publish Ruby books to lead people out of Java. The scope of this discussion is g
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· The development trend of language must be dynamic and dynamic combination and flexible
· Perl is concise and obscure, python is elegant and clear, Ruby is exquisite and smart, and PHP is concise and simple
· Perhaps elegance comes from the emphasis on details and specifications.
· After the combination of ROR and Ruby, as a ghost cat, Java and. Net elephan
From the content of this article, the writing time is relatively early, and some terms I think are not accurate, a bit colloquial, but it means. Q: What are the characteristics of Perl, Python, Ruby, and PHP? Why is dynamic language a lightweight solution? Why is LAMP popular? Why is RubyonRails popular? Development Trend of Programming Language
From the content of this article, the writing time is relatively early, and some terms I think are not accu
The development trend of the language must be the combination of dynamic and static data, the combination of strong and soft Perl, the concise and obscure Python, the elegant and clear Ruby, the concise and simple PHP, or the elegance of PHP, the preview of the details and specifications.
◆ The language development trend must be dynamic and dynamic combination and flexible.
◆ Perl is concise and obscure, Python is elegant and clear,
I love Ruby and participate in the Ruby community where I am located. I am a member of the programming society RubyFools. Sometimes I give some lectures on Ruby's greatness and Ruby projects I have worked on in my spare time. I feel very free to use Ruby for programming. I love the vitality of the
Since The original tech preview release of FastCGI last year, we ' ve been seeing a lot of requests for getting Ruby on Rail s running with our FastCGI. Theoretically, since the FastCGI component uses a standard protocol to support fastcgi-enabled applications, this shouldnt Be a issue-but, in practice, this is very far from reality. After factoring in Setup problems, configuration, and variations on runtime Behavior/protocol deviations, every single
Basic Ruby tutorial,
1. Basic Ruby knowledge
1. Ruby
Ruby is a scripting language
Ruby is an object-oriented language
Ruby is a cross-platform language
Ruby is open source software.
2.
What is Symbol?
Ruby is a powerful object-oriented scripting language (the ruby version used in this article is 1.8.6). In Ruby, symbol represents a "name", such as a string name and an identifier name. To create a symbol object, add a colon Before the name or string:
Create a symbol object
:foo:test
:”abc”:"I am a boy”
You may as
Several solutions to improve Ruby on Rails performance: rubyrails
Introduction
The Ruby On Rails framework has received wide attention since it was proposed. Under the guidance of ideas such as "do not repeat yourself" and "convention is better than configuration, rails brings high development efficiency to Web developers. The flexibility of ActiveRecord allows you to achieve easy-to-use persistence without
Ruby is a pure object-oriented language, and everything in Ruby comes in the form of objects. Every value in Ruby is an object, even the most primitive thing: strings, numbers, and even true and false are objects. The class itself is also an object and is an instance of class. This chapter will show you all the key features associated with
Contributed by Brian Leonard, maintained by Gail ChappellDecember 2007[Revision number: V6.0-6]
In this tutorial, you use the ruby support in the netbeans ide To create and run a simple web application. the example shows how to create a ruby web log. you follow the basic workflow of creating the model, adding a controller, and creating a view.
Contents
-
Tutorial req
Ruby's philosophy is based on a basic element that makes programmers happy. Ruby is very focused on the happiness of programmers and offers a number of different ways to implement it. Its metaprogramming capabilities enable programmers to write code that is generated dynamically at run time. Its threading capabilities allow programmers to have an elegant way of writing multithreaded code. Its hook method allows programmers to extend the behavior of a
Introduction to Ruby and Rails
Ruby is an object-oriented, dynamic scripting language. Its syntax is flexible and provides a rich library of classes. Therefore, the efficiency of writing programs in Ruby is very high.
Although Ruby was very early (born in Japan in 1993), Ruby
In addition to being used as a powerful Web application development platform, Ruby is rarely mentioned in combination with the Rails framework, which is a powerful scripting language, just like Python or Perl. It has very powerful functions. Because it can use a lot of built-in and external libraries, it can be used to solve many script writing requirements in the system management work environment. Furthermore, R
This article mainly introduces CGI Programming in Ruby, including creating Form forms and other basic content. if you need it, you can refer to Ruby as a general language, it is not just a language used in WEB development, but Ruby is the most common in WEB application and WEB tool development.
With Ruby, you can not
How to configure the Ruby development environment in CentOS 7, centosruby
This article will share with you a tutorial on how to configure the Ruby development environment in CentOS 7 for your reference. Here is a detailed introduction:
Install Ruby 2.2
The Ruby version in the CentOS7 repository is 2.0, but if necessary
send message to object display
We can send a message directly to the object:
Ruby Code
Copy Code code as follows:
Class HelloWorld
def say (name)
Print "Hello,", name
End
End
HW = Helloworld.new
Hw.send (: Say, "world")
We usually use Hw.say ("World"), but send can work on private methods.
Not only so send can make the program more dynamic, let's take a look at an example:
We have defined a class person, and we want
A local variable starts with a lowercase letter or an underscore (_). Local variables do not contain nil values like global and real variables before initialization.
Ruby> $foo
Nil
Ruby> @foo
Nil
ruby> Foo
ERR: (eval): 1:undefined local variable or method ' Foo ' for Main (Object)
The first assignment of a local variable is done much like a declaration. If you
Many times we will find that the real production environment is not a lot of external network, only intranet environment, this time we need to install Ruby, we can not provide the Yum command to install online, this time we need to download the installation package for offline installation. This article is mainly about if you install ruby offlineBefore installing, let's briefly introduce Rubyfirst, Introduc
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