ruby on rails tutorial learn web development with rails

Rails calls the Java method XML sit-ups ). Rails is a complete, open-source web development framework with more happiness and lessCode. The entire framework runs through the dry (do not repeat) principle. For example, after a database table is defined, the class name and object attribute name are automatically dete

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

, and then set up rails programs;Require File.expand_path ('.. /boot ', __file__) Require ' rails/all ' if defined? (bundler) # If You are precompile assets before deploying to production, use this line Bundler.require (: *rails.groups =>%w (Development test)) # If You are want your assets, lazily, compiled, use this line # production (: Default,: Assets, r

your computer. Run Rails-v prompt is not installed, run ruby-v display is 2.0.0, run rbenv global 2.1.4 or unchanged. Run Echo ' eval ' $ (rbenv init-) ' >> ~/.bash_profile (writes the rbenv initialization script to the file) (assuming insufficient permissions.) Change the file owner to user) $ source ~/.bash_profile (run the file) and then run Ruby-v and

/icon. xpm Terminal = false Type = ApplicationCategories = GNOME; Application; Development;StartupNotify = true Initialize and start aptana3.$/Opt/aptana/AptanaStudio3/AptanaStudio3-clean: Aptana Studio is ready!Finally, when you inject a set of development kits into Aptana, a bug will occur. I use google to solve the following: First, solve the problem that mysql2 cannot be installed.Error installing mysql

Next, let's get started with Ruby on Rails (ROR ).First, we need to quickly configure the development environment of Ruby on Rails.1. Download InstantRails-2.0-win.zipCan go to official download, http://rubyforge.org/frs? Group_id = 904You can also go to/download/tools/Insta

" Make environment variable effective $ Source/etc/environment 4. Check Ruby Installation $ Ruby-V 5. Create Association $ Sudo ln-S/usr/local/Ruby/bin/Ruby/usr/local/bin/Ruby $ Sudo ln-S/usr/local/Ruby/bin/gem/usr/bi

be ignored.The version number of rails is shown belowThree: Create a web App1. Enter Rails new Testweb,testweb under the command line as the project name. The location of the project is the directory path of the current command.2. Under current directory (TestWeb), run Ruby Script/server to start the service.3, the br

Ruby on Rails 'activerecord 'SQL Injection Vulnerability (CVE-2014-3482) Release date:Updated on: Affected Systems:Ruby on RailsDescription:--------------------------------------------------------------------------------Bugtraq id: 68343CVE (CAN) ID: CVE-2014-3482Ruby on Rails (RoR or Rails) is an open-source

IPhone or ipod touch. Use the IUI library as a mechanism to ensure that WEB applications follow Apple's interface appearance guidelines. The resulting application is much like a native iPhone application. This article describes how to create a downward-expanding list structure, similar to the IPhone's native mail application. Apple recommends the use of this structure because it is easy to navigate and is small in size, and can be downloaded quickly

, there are a lot of different ways and techniques to solve it, and there are always some better than others. A certain kind of technology will inevitably produce some unconscious prejudices, which will ultimately hinder my ability to provide business value to my clients. For example, understanding dynamic scripting languages like Ruby makes me think that I can spend less time writing simple, Batch/shell scripts than I do with compiled languages. Why

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

(: 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