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I suddenly found that ruby is also good, and I want to learn it.IntroductionThis is a short Ruby entry, and it takes only 20 minutes to complete. Here we assume that you have installed Ruby. If you have not installed Ruby, visit the official Ruby website to download and inst

It seems to be another technical trend ~ Let's see if it can be pushed ~ Please note .... Can a single-person force and a mantra of "Simplicity first" enable the development of Web applications? David Heinemeier Hansson, a Copenhagen resident on November 26, has created a framework to help Web developers increase their productivity. In addition, he has developed a set of tools based on the original design. Hansson's example is "Ruby on Rails" (RoR),

Local variables start with lowercase letters or underscores (_). Local variables do not include nil values before initialization like global variables and real variables. Ruby> $ fooNilRuby> @ fooNilRuby> fooErr: (eval): 1: undefined local variable or method 'foo' for main (object) The first assignment of a local variable is like a declaration. If you point to an uninitialized local variable, the Ruby

Watir is an open-source Web automation testing framework implemented using Ruby. Compared with those large commercial tools, watir is small, flexible, and provides sufficient functions. Recently, I took the time to try it out. I feel pretty good. I plan to use it in the company for further promotion. The user manual, sample code, and FAQ on watir are well maintained, so I will not repeat the existing items. Here, I will briefly introduce them. If you

Configure Ruby on Rails and Git and railsgit on Mac Ruby on Rails on Mac ======================================== ========================================================== ========= http://morizyun.github.io/blog/marvericks-rails-setup-ruby-rvm-msyql/for general: useful: http://qiita.com/keneo/items/0a58b188183b5100e3affor mysql: Snapshot $ r Uby-e "$ (curl-fsSL

How to Use arrays in Ruby This article mainly introduces some methods to use arrays in Ruby, which is the basic knowledge of Ruby learning. For more information, see Ruby arrays are ordered. What about any object ?? The set of integer indexes. The elements in each array are associated and an index is mentioned. Array

First, preface Web Automation testing has always been a more urgent problem, for the agile development of web development now, but there is no corresponding agile testing, so open this topic, one side of the research, while the Web automation testing to work, and then to form a separate Cheng Zhang blog, Hope to be able to make a modest contribution to the development of web automation testing in China, laugh ~ Second, the Watir construction process Figure 1-1 Tools required for installation

View Ruby version numberC:\users\cl>ruby-vRuby 2.2.2p95 (2015-04-13 revision 50295) [I386-MINGW32]Initializing the Ruby development tool configurationC:\demo\ruby>ruby DK.RB Init[INFO] found Rubyinstaller v2.2.2 at C:/ruby22Initialization complete! Please review and modify t

I suddenly found that Ruby is also good, and I want to learn it. Introduction This is a short Ruby entry, and it takes only 20 minutes to complete. Here we assume that you have installed Ruby. If you have not installed Ruby, visit the official Ruby website to download and in

In Windows, Ruby + Watir is used to build an automated testing environment and read data. rubywatir Build a Watir Environment 1. watir environment tool installation package: Ruby186-26.exe: http://files.rubyforge.vm.bytemark.co.uk/rubyinstaller/2) watir-1.5.2.gem: http://rubyforge.org/frs? Group_id = 104 release_id = 280163) rubygems-update-1.3.7.gem: http://rubyforge.org/frs? Group_id = 126 2. firewatir environment tool installation package: 1) soft

Installation steps. [root@ds-vm-node190/tmp/]# mkdir-p/tmp/ruby[root@ds-vm-node190/tmp]# download_url= "Http://mirrors.dwhd.org/Ruby/ruby" Download_url= "$ (curl-lks" ${download_url} "|awk-pf '" ' {if ($2~/^[0-9]+\.[ 0-9]+/) a=$2}end{print "' $DOWNLOAD _url '/' A} '" Download_url= "$ (curl-s" ${download_url} "|awk-pf '" "{if ($2~/^

For new entry-level developers, how to install Ruby, Ruby Gems and Rails running environments can be a problem, and this page focuses on how to quickly install a ruby development environment with a plausible path.The secondary installation method also applies to the product environment!System Requirements First determine the operating system environment, not rec

Before you start About this tutorial Ruby on Rails (rails) is a full-stack WEB application framework written in Ruby, and Ruby is a rich, free, extensible, portable, object-oriented scripting language. Rails is very popular among WEB application developers. With it, you can quickly and efficiently develop Web applications and deploy them to any web container, s

When you call a method, Ruby does two things. 1. Find this method. This method is called a method lookup. 2. Implement this method. To do this, Ruby needs something called self. Such a process-discovering a method to execute-occurs in every object-oriented language. However, for a very dynamic language such as Ruby, it is particularly important to understand t

This article mainly explains the HTML5 in a new label, HTML5 Ruby label, although not new, but also in the HTML5 new tags, html5 the definition of Ruby tags and specific usage examples are in this article, I hope you read carefully HTML5 the definition and usage of ruby tags: Used in East Asia, the pronunciation of East Asian characters is displayed. Use with

Ruby Installation-LinuxThe following is a list of steps to install Ruby on a Linux machine.Note: Before installing, make sure you have root permissions.SOURCE InstallationDownload the latest version of the Ruby zip file. Please click here to download.After you download Ruby, unzip to the newly created directory:

This section will show you how to access a database using Ruby. The Ruby DBI module provides a database-independent interface for Ruby scripts similar to the Perl DBI module. DBI, the Database independent interface, represents a Ruby-independent interface to databases. DBI provides an abstraction layer between

Reprint, original link http://linux.cn/portal.php?mod=viewaid=170 using Ubuntu to build a Ruby on Rails Local development environment Want to develop a Ruby on Rails app? Although there are already some (beginner) Ruby on Rails tutorials, there seems to be some uncertainty about how to build a clean and updated local development environment.This tuto

Author: Egg Email: xtfggef@gmail.com Weibo: http://weibo.com/xtfggef Blog: http://blog.csdn.net/zhangerqing (reprinted please explain the source) We often work in Linux, so we must learn to install these commonly used runtimes. These jobs are all the same. Learn one kind of jobs. The other jobs will be okay! Generally, there are three methods: 1. Use package manager like rvm of Ruby (recommended) 2. Directly install the Binary Package 3. Compile and i

Reprinted: http://www.5itjob.net/html/86/86_itemid_1183.html Ruby on Rails is a relatively new web application.ProgramFramework, built on the ruby language. It is promoted as an alternative to the existing enterprise framework, and its goal, in short, is to make life, at least web development, easier. In this article, Aaron rustad compares some key architecture features of rails and traditional J2EE