udemy ruby on rails

Release date:Updated on: Affected Systems:Ruby on Rails 3.xRuby on Rails 2.xRuby on Rails 1.xDescription:--------------------------------------------------------------------------------Bugtraq id: 54958Cve id: CVE-2012-3464 Ruby on Rails (RoR or

Details about the association between models in ruby on rails: rubyrails Preface:Before learning model Association, remember the following points:1. Link. Both ends must be written. Otherwise, errors that beginners cannot understand may occur. It is also very beneficial to understand the code.2. The model name is singular and the controller is plural.3. blong_to must be followed by a singular number and be

1. Goal: Mastering MVC and Rest, generators, migrations, routes, embedded RubyThis book deals with the Rails,ruby language, the test framework (minitest) that rails uses by default, the Unix command line, HTML,CSS, a small amount of javascript, and a bit of SQL.2. Demo Application:Hello_app (v. 1.3)Toy_app (2nd Chapter)Sample_app (chapters 3rd through 12th)3. The

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

Install RVM You typically use RVM or rbenv to install Ruby, where you choose RVM. $ Curl-ssl Https://get.rvm.io | Bash-s Stable Load into RVM: $ SOURCE/HOME/LIBUCHAO/.RVM/SCRIPTS/RVM $ rvm-v RVM 1.25.12 (Stable) by Wayne E. Seguin Then execute the following command: $ type RVM RVM is a function ... Description RVM installed correctly.Install Ruby Installing

Show iphone content to client Using the IUI and IPhone list structure 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 2nd of the "Use Ruby on Rails and Eclipse development IPhone Apps" series, which de

recommended that you use a homemade program: Brew Install ImageMagick Now we need a Ruby adapter that connects to the local ImageMagick library. You can use Minimagick, because it is lightweight: # gemfile Gem ' Mini_magick ' Characteristics of Minimagick Before we begin, let's take a look at some of the minimagick features to avoid unnecessary errors. Open the Rails conso

versionsRvm List knownInstall a ruby versionRvm install 1.9.3The latest 1.9.3 is installed here. You can install it in the rvm List known list. Use a ruby versionRvm use 1.9.3If you want to set it to the default version, you can Rvm use 1.9.3 -- defaultQuery installed RubyRvm listUninstall an installed versionRvm remove 1.9.2 6. Install the yaml Library:Apt-Get install libyaml-Dev 7. Because there are diff

Http://developer.51cto.com/art/200610/33171.htm Ror is Ruby on Rails. Ruby is a well-known dynamic language. It's a dynamicLanguage. Simple andEasy. Dynamic Language is interpreted and executed, but the performance may be discounted, but not absolute, because the application is complex and the performance is comprehensive, this was responded to in a circulating t

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

Getting started with image processing in Ruby on Rails, rubyrails Images can be said to be a vital part of any application. From social networks to a simple Bug tracker, images play an important role. However, managing images is not an easy task. It takes a lot of time and effort to plan images in advance. This article demonstrates how to achieve this in Rail. How to process your images and create multiple

Release date:Updated on: Affected Systems:Ruby on Rails 3.xUnaffected system:Ruby on Rails 3.0.4Description:--------------------------------------------------------------------------------Bugtraq id: 46292Cve id: CVE-2011-0448, CVE-2011-0449 Ruby on Rails (RoR or Rails) is

Action View: Helpers AssetsAndAjax RESTfulAnd table ticket Design Multi-country regions and zones ActionMailer: EmailSending and receiving ActiveSupportTool correspondence Handler RailsTips RailsSuspected zookeeper User Authentication Zookeeper Performance and Cache Network Security Website website Non-synchronous processing RailsProgram Best Practices Appendix Development Environment Security GitVersion Control System Basis RailsCase Study

(: starting_worker_process) Do | forked | extends Mapper. Connection. Connect if forked endend 4. Create a mongo. Rake file under the lib directory (not used in this article) Namespace: DB do namespace: test do task: Prepare do # Stub Out for MongoDB end endend After completing the preceding steps, start the program: $ Rails server ** notice: C extension not loaded. this is required for optimum MongoDB Rub