coursera ruby on rails

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

Advanced Software Engineering The first Class Part I 1 Install Essential Dependecies sudo apt-get update sudo apt-get install-y build-essential OpenSSL curl Libcurl3-dev libreadline6 libreadline6-dev git-core zlib1g Zlib1g-dev Libssl-dev libyaml-dev libxml2-dev libxslt-dev autoconf automake libtool imagemagick libmagickwand-dev Libpcre3-dev Libs Qlite3-dev 2 Install rbenv Environment git clone https://github.com/sstephenson/rbenv.git ~/.rbenv echo ' Export

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

Because the system was reinstalled, we tried to use rvm to install and manage Ruby and rails and record the installation process. Install curl first Shell code $ Sudo apt-Get install curl Because the rvm Installation File is obtained from GitHub through git, a local git is also required. I installed it through build, you can also install the SDK directly from APT using the following command. Shell co

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

1.1 link_to General format: Link_to "XXXX", {hash}, {hash}The first is the link text, the second hash is the same as url_for, and the third hash is the tag added by the user in Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> Link_to " Issues " , {: Controller => " Issue " ,: Action => " Index " },{: Title => " Issues " } %> Link_to_unless_current automatically identifies the current

Provide content for the iphone Detecting Mobile Safari with Ruby on Rails application 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. The "Use Ruby on

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

This article is original. Reprinted Please note: Author: Utensil Blog: http://blog.csdn.net/utensil/ Email: utensilcandel@gmail.com In the past two days, the previous blog website based on XML and PHP has been transplanted to MySQL and ror to overcome two major difficulties in learning ror: One is that most of the materials currently talk about the practices in rails 1.x, because 2.x interrupts a lot of backward compatibility (especially the dynamic

Ruby You don't need to talk about this. RVM It is used to help you install the Ruby environment, help you manage multiple Ruby environments, and help you manage the Ruby environment on which the Ruby application you develop uses the machine. The

Ruby on Rails is famous for its elegant MVC Architecture, which is so attractive and beautiful, while CakePHP is one of the common frameworks in PHP development. If you don't want to be bound to the traditional PHP brick-and-mortar development, you can try to switch to the MVC Architecture, but the performance and deployment problems of Rails have been worrying.

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

Ruby on Rails 'create _ with () 'Function Security Restriction Bypass Vulnerability Release date: Updated on: Affected Systems: Ruby on Rails Description: Bugtraq id: 69265 CVE (CAN) ID: CVE-2014-3514 Ruby on Rails (RoR or

Build a ruby on rails Development Environment on win7, win7rails For beginners who are new to a new technology or language, building a learning environment is always a tough topic, especially in the domestic network. After more than 10 hours of hard work, I finally built a ruby + rails + mysql environment in win7. Ther

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

Create Rails Project To create a normal Rails project, you can use the following command directly: Rails New Blog But in the country because the speed of connection RubyGems is too slow, and Rails by default after building the project structure, will use the bundle command to download the installation de