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Install Ruby, Rails runtime environment, and rubyrails quickly and correctly How to quickly and correctly install Ruby and Rails runtime Environments For new entry-level developers, installing Ruby, Ruby Gems, and Rails running environments may be a problem. This section describes how to quickly install the

Instructions on how to use the XML data processing database REXML in Ruby, rubyrexml Use REXML as a treeThe purpose of REXML is to be enough. To the maximum extent, it can complete tasks well. In fact, REXML supports two different styles of XML Processing-"Tree" and "stream ". The first style is the simpler version used by DOM; the second style is the simpler version used by SAX. Let's study the tree style first. Suppose we want to extract the same ad

Several programming skills for accelerating Ruby on Rails, rubyrails Ruby is often praised for its flexibility. As Dick Sites says, you can "Program for programming ". Ruby on Rails extends the core Ruby language, but Ruby itself makes this extension possible.

Tutorial on installing the Ruby interpreter on the operating system. Ruby installation-LinuxThe steps for installing Ruby on a Linux machine are listed below.Note: before installation, make sure that you have the root permission.Source code InstallationDownload the latest Ruby compressed file. Click here to download.Af

What is the ruby language? 1. IntroductionRuby is written by Yukihiro Matsumoto in Japan. It is a simple and easy-to-learn object-oriented scripting language. Like perl, ruby has rich functions such as text processing and system management, but Ruby must be simple, easy to understand and expand. It is similar to python, but it is far from famous in China.

Ruby processes strings like numbers. We enclose them with single quotation marks ('...') or double quotation marks. Ruby> "ABC""ABC"Ruby> 'abc'"ABC" Single quotation marks and double quotation marks have different functions in some cases. A string enclosed by double quotation marks allows a character to be led out by a front slash, and can be embedded with

The concept of class objects in Ruby This article mainly introduces the concept of class objects in Ruby, which is the basic knowledge of Ruby learning. For more information, see Object-oriented Programs involve classes and objects. A class is a blueprint created from an individual object. In object-oriented terms, we say that James's bicycle is an object instan

Detailed descriptions of hook methods in Ruby This article mainly introduces the detailed explanation of the hook method in Ruby. This article explains what is the hook method, extended, extended, prepended, inherited, and so on in included, Devise, for more information, see Ruby's philosophy is based on a basic element, that is, to make programmers happy. Ruby p

I have the opportunity to try Rails again, but I only came into contact with 2 and now it has become 4. It seems that the current installation is faster than the original one .. Rails 4 installation For RVM InstallationCopy codeThe Code is as follows: gem install railsOtherwise, it should be as follows:Copy codeThe Code is as follows: sudo gem install railsInstructions for installing RVMCopy codeThe Code is as follows: curl-L https://get.rvm.io | bash-s stableView the rails versionCopy codeThe C

Ruby-based watir-webdriver Automated Testing Solution and implementation (3), watirwebdriverThen the Ruby-based watir-webdriver Automated Testing Solution and implementation (2)Http://www.cnblogs.com/javame/p/4259468.htmlcontinue... to write a script, you must first learn to capture elements, and then learn to capture page elements. Attribute_value Obtains the properties of the current control. Value = ie.l

Develop an advanced view of the iphone Building views and forms The IPhone and ipod touch make mobile Safari a popular American mobile browser. Although it is more than enough to present a regular web page with Mobile Safari, many web developers have created an application version for the IPhone. This article is part 3rd of the "using Ruby on Rails and Eclipse to develop IPhone apps" series, which describes how to perform actions when users browse t

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