best ruby on rails book

Extract to a directory (for example: D:\server\Ruby200Install\ruby-kit)2 run cmd execute ruby dk.rb init and Ruby dk.rb install command in the Ruby-kit directoryVerify: Rails-v display version number in CMD indicates normal 4 Replace the Rubygem library address (very impor

Development machine: Win7 flagship-64-bit1, install ruby, download Rubyinstaller-2.0.0-p451.exe: http://rubyinstaller.org/downloads/1.1 Select the installation directory: (for example: D:\Ruby200)1.2 During installation: All options need to be checked (install plugin, execute RB extension file) Ruby-v Display version number indicates normalGem-v2, install Devkit, download Devkit-mingw64-32-4.7.2-20130224

CentOS6.2 Install Rvm+ruby+rails (1) RVM The official website should be revised once,Using Java code Curl-l https://get.rvm.io | bash-s stable Download and install the RVM stable version. Not using Bash Soon after installing RVM, re-login to a new SSH, using RVM-V to check the version.(2) Install some libraries, compile and install other software or libraries will be used whenJava code

Ruby $ sudoapt-getinstallrubyruby-devirblibopenssl-rubygem $ sudoapt-getinstallrubygems $ vi ~ /. BashrcexportPATH = "$ PATH":/var/lib/gems/1.8/bin $ source Install Ruby, Rails, and Passenger in Ubuntu Ruby $ Sudo apt-get install ruby-dev irb libopenssl-

First, we will introduce the environment I use. My Linux is installed on a virtual machine, VMwareWorkstation5.5, and the installation is Fedora8. The iso file of Fedora contains the ruby rpm package, but the rpm package that comes with it cannot meet our needs for installing Rails. Therefore, we need to download the rubybench installation package at http://www.ruby-lang.org/en/. the download is the 1.8.6so

Steps 1Install homebrew, install the package required for the system through itRuby-e "$ (curl-fssl https://raw.github.com/mxcl/homebrew/go/install)"After the installation is complete, brew doctor self-TestSteps 2Installing Curl-l Https://get.rvm.io | Bash-s StableSOURCE ~/.RVM/SCRIPTS/RVM$ rvm-vRVM 1.26.4 (Master) by Wayne E. Seguin Steps 3Installing the ruby environment with RVM$ RVM Install 2.1.3$ sed-i. Bak ' s!cache.ruby-lang.org/pub/

Build a ruby on rails development environment under CentOS7, centos7rails 1. Install rvm Curl-L https://get.rvm.io | bash-s stable Rvm is a command line tool that provides management and switching of Multi-version ruby environments. You can also manage different gemsets based on projects. If the ssh key is not generated, this step may fail. directly generate

Realize nurse and Doctor Xform This series of articles describes how to use XForms, ibm®db2®purexml™, and Ruby to simplify the development of WEB applications, divided into four parts, this is the third part. This series of articles will develop a fictional application to manage patient information in the doctor's office. You'll see the power of each technology, and you'll see how to combine it. Part 3rd will develop a nurse's form to edit patient da

Tutorial on efficient unit tests on Ruby on Rails, rubyrails In the system developed by the author, a large amount of data needs to be analyzed, which not only requires accurate data analysis, but also requires a certain speed. Before writing the test code, I used several major methods to achieve this requirement. As you can imagine, the code is complex, difficult to maintain, and difficult to expand. Takin

As a good programmer, you should be clear about the benefits of the Ruby on Rails development framework. Here we will introduce some tips for installing Ruby on Rails locally. Many documents describe how to use the gem (one-click Ruby installer is already included, and you c

Liberate RoR: Let Activescaffold to manage data entry page Introduction: Save some time, less headaches, use the Ruby on Rails activescaffold plug-in can create pages that are easier to maintain. Activescaffold can handle all the CRUD (create, read, update, and delete) operations required by the user interface, which saves you more time to focus on more challenging (and more interesting) issues. Writing a

this directory.　　3, cmd into the Windows command operation, enter the Devkit folder, do the following:CMD Run command line > CD DEVKIT> Ruby DK.RB Review > Ruby dk.rb Install [INFO] Updating convenience Notice gem override for ' c:/ruby192 ' [info] installing ' c:/ruby192/lib /ruby/site_ruby/devkit.rb 'Two: Install Rails1. Using Remote Installation Railscmd int

Install RubySince the ruby version of the APT Package Manager in Ubuntu is too old, consider compiling the installation from the source code. Here is an example of installing ruby2.3.0:sudo Install build-essential zlib1g-dev libssl-dev libreadline6-dev libyaml-/tmpwget HTTPS://cache.ruby-lang.org/pub/ruby/2.3/ruby-2.3.0.tar.gztar -xvzf

1. Ruby and Rails must be installed successfully 2. Start building the first Web program with the following commands: C:/>MD Rubydev C:/>CD Rubydev c:/rubydev>rails-d MySQL A It is worth noting that the original command to establish the program should be: rails one, but if you follow this command, you will get an erro

)SOURCE ~/.RVM/SCRIPTS/RVMCheck to see if the installation is correct(Stable[https://rvm.io/]Step 2-Install the Ruby environment with RVM$ RVM Install 2.0.0Also continue to wait for a lengthy download, the compilation process, after completion, Ruby, Ruby Gems is installed.Step 3-Set up Ruby versionAfter the RVM is ins

Because Ruby 1.9.3 uses psych to parse Yaml (unlike Ruby 1.8.7), Psych needs libyaml support. First you need to update the relevant components: Yum-y install make gcc openssl-devel zlib-devel gcc gcc-c++ make autoconf readline-devel curl-devel expat-devel Evel Ncurses-devel sqlite3-devel mysql-devel httpd-devel wget 1. Install Libyaml $ wget http://pyyaml.org/download/libyaml/yaml-0.1.4.tar.gz $ tar xzvf y

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 release Rails1.2 version, and not until 2008, in 2007 on the eve of December 6, Rails2.0 has been released. The

is written in Ruby, which supports its own DSL for processing and maintaining ruby programs. Rails uses rake extensions to perform a variety of tasks, such as database initialization, updates, and so on. Rake is a build language, similar in purpose to make and ant. Like make and ant it's a Domain specific Language, unlike those a internal DSL programmed

Release date:Updated on: Affected Systems:Ruby on Rails 3.xRuby on Rails 2.xRuby on Rails 1.xUnaffected system:Ruby on Rails 3.0.4Ruby on Rails 2.3.11Description:--------------------------------------------------------------------------------Bugtraq id: 46291Cve id: CVE-201

Ruby That's not much to say. RVM Used to help you install a ruby environment, help you manage multiple ruby environments, and help you manage which Ruby environment you use on your computer for each ruby application you develop. The r