install ruby

independent from the database and provides a series of public access methods. The method is used regardless of the database server type. Database Driver (DBD) layer. This layer depends on databases. Different drivers provide access to different database engines. MySQL, PostgreSQL, InterBase, and Oracle use different drivers. Each driver is responsible for interpreting the requests from the DBI layer and ing these requests to the requests of the database server of the given type. Prerequisite

Example of an interactive program developed by ruby: ruby Development Implement the interaction function in a terminal similar to pry, ronin, and msf. ripl gem is mainly used here: 1. Call defined methods, such as help2. Be able to execute system commands3. ruby parsing similar to irb/pry Installation: gem install ripl

About Ruby on Rails Ruby on Rails is an application stack that provides developers with a framework to quickly create a variety of Web applications. ruby on Rails does take a little while to install on a virtual server, but luckily there are a lot of helpful tools to make this process as easy as possible. you can run t

Annotations, variable declarations, Array Operations, and Ruby variables in the ruby tutorial I read an article "PHP basic tutorial" on "blog Park" two days ago and introduced PHP. D guago also wrote a "Ruby getting started tutorial" when learning Ruby ". It should be noted that this article is suitable for beginners w

that includes the function of sending attachments. However, after the local installation is downloaded, an error such as refuse port 25 is reported. At first, I thought the permission was insufficient. After executing the command with sudo, I found that an error was reported when I executed the require 'mail' command! We found that the installation was not performed with sudo permission at the time of installation. First, gem uninstall mail. then reinstall: sudo gem

, the installationBefore using Ruby, you must install the Ruby interpreter, the corresponding library, and the Ruby development environment. 　　 third, get RubyRuby is available on all major platforms. In fact, your Linux or Cygwin distribution may already contain it. Please open a command prompt and enter "

Deploy the Ruby server and ruby# Create a project directory/Opt/logs/TV-cibn-cms# Install rbenv and ruby 1.9.3 IN ruby# Install and compile related packagesYum install-y gcc openssl-dev

To install Ruby, go to the ruby official website to download the Windows Installation Package of ruby1.56. After installing Ruby, open the DOS window and enter ruby-V to display it. Ruby 1.8.6 (patchlevel 0) [i386-mswin32] ind

Ruby Learning tips for building a ruby environment under Linux1. Preface2.Linux Installing the ruby EnvironmentFirst, prefaceThis blog post records the construction of the Ruby programming environment under Linux.This article is based on the following articles:Http://www.cnblogs.com/xfiver/archive/2012/03/08/2385833.ht

Solve ruby Installation Problems: redis requires Ruby version amp, rubyredis I. Problem Description Today, we set up a redis cluster and encountered a problem when installing ruby and redis interface programs: redis requires Ruby version> = 2.2.2., as shown below: [root@localhost ~]# gem

0.020 seconds, more than 0.105 seconds, so that we can locate the problem is Object#m2 here. Graph can be output to HTML format, here just demonstrates the plain text version, HTML format more easy to interact, need to add parameter-F to specify the path and file name of the output. GraphViz Dot-dotruby-prof -p dot test.rb -f dot.dot There are tools to convert dot files to PDF viewing, as well as tools that specialize in viewing dot files, such as XDot on Ubuntu. This picture also clearly show

Ruby's installation can go to Ruby's official web site to download the Ruby1.56 Windows Installer package, install the after installation, open the DOS window, input ruby-v display Ruby 1.8.6 (2007-03-13 patchlevel 0) [I386-mswin32] shows that Ruby has been installed successfully and the version number is

Ruby image installation, ruby Image Because of the domestic network, the intermittent connection of resource files stored on Amazon S3 by rubygems.org fails. So you willgem install rackOrbundle installHalf a day without response.gem install rails -VTo view the execution process.This is a complete rubygems.org image. Y

Installing Ruby with Upgrade RubyGemstip: If you are prompted for permission issues during the installation process in the Ubuntu environment, you can use sudo make and sudo makes install. 1.Ruby Installation wget http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.3-p12

Keywords: Ruby on Rails, instantrails, windows, getting started, tutorial I always wanted to try Ruby on Rails, but I was not familiar with Apache and MySQL, and I was not confident in setting up the rails environment. So I never started. After learning about instantrails, finally, we set up the Ruby on Rails Development Environment on Windows and started learni

Demonstrate Ruby's six characteristics that are easy to be misunderstood with actual code. The Code demonstrates ruby misunderstanding. Introduction: if you are a C ++ developer, you need to use Ruby to quickly execute some prototype designs. When you pick up a Ruby reference book (such as Pickaxe) or browse a Ruby web

[Ruby on Rails Learning 1] ubuntu14.04 configure rvm and ruby, ubuntu14.04rvm To install ruby, you must first install rvm. Rvm is Ruby Version Manager, a command line tool developed by Wayne E. Seguin. Rvm allows you to easily

command parameters. To avoid having to go to man's manual over and over again, the ruby syntax is quite friendly. First, install whenever: Copy codeThe Code is as follows:$ Gem install whenever Switch to the project folder where the task is written to ensure that there is a config folder under the folder. If you create a whenever task in the rails project, the c

A simple tutorial on JSON Processing Using Ruby, and a json tutorial on ruby Processing Environment Configuration Before using Ruby to encode or decode JSON data, we need to install the Ruby JSON module. Before installing this module, you must first

Add fire to Ruby: Ruby will become popular again Ruby, which is widely regarded as a web language, has always been very popular, but it will become more popular now. AltRubies pushed Ruby to a level we never imagined. Is Ruby the preferred choice for browsers, mobile apps,