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
, start the program:
$ Rails Server
**NOTICE:C extension not loaded. This is required a for optimum MongoDB Ruby driver performance.
You can install the extension as follows:
Gem Install Bson_ext
If you are continue to receive this message over installing, make sure that the
bson_ext gem are in your load path and tha T the Bson_ext and MONGO gems are of th
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 determined. Friends who have used hibernate know what I'm talking about (You may say XDoclet,
presentation layer is rendered by the browser
The logical layer manipulates the data from the server side and goes to the presentation layer
The data layer is responsible for storing the data.
6-tier architectureIf you divide it further, you get a 6-tier architecture, such as
The presentation layer is divided into the client layer and the presentation logic layer
The client layer is responsible for rendering the display page
Indicates that the logical layer generat
The presentation layer is rendered by the browser
The logical layer manipulates the data from the server side and goes to the presentation layer
The data layer is responsible for storing the data.
6-tier architectureAssuming a further cut, you get a 6-tier architecture, such as
The presentation layer is divided into the client layer and the presentation logic layer
The client layer is responsible for rendering the display page
Indicates that the logical layer g
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
When you first start learning about rails, you might be confused about how to automatically handle naming in rails, such as how to find a table named people in the database based on a model named person, and this time we'll look at the naming conventions in rails.
1. Mixed case, underline, plural
We often use abbreviated named variables, in
The three components of devise, cancan, and rolify combine to create a complete and powerful user rights model.
Devise introduction, responsible for user registration, login, exit, retrieve password and other operations. Detail reference devise on GitHub
Cancan, which is responsible for role creation, authorization of roles, displaying elements in the page based on authorization, and throwing exceptions when the model is out of authorization. Detail reference rolify on GitHub
Ro
This is to setup a developement environment for Ruby 1.87 and rails 2.2.3 on Ubuntu 10.04 (LUCID ).[Sourcecode Language = "bash"]# Make sure Ubuntu is up to date$ Sudo apt-Get update$ Sudo apt-Get dist-Upgrade# Install Ruby$ Sudo apt-Get install ruby1.8-dev ruby1.8 ri1.8 rdoc1.8 irb1.8 libreadline-ruby1.8 libruby1.8 libopenssl-
Release date:Updated on:
Affected Systems:Ruby on Rails 3.2.xRuby on Rails 3.1.xRuby on Rails 3.0.xRuby on Rails 2.3.xDescription:--------------------------------------------------------------------------------Cve id: CVE-2012-2694, CVE-2012-2695
Ruby on
Some websites collected by Ruby on Rails during this time. I personally feel good. If you are interested, please check them out.
Infoq
Codebetter
Napcsweb
Riding
Rails
Rubyonrails
Taoxi technology Diary
Rails framework technology lecture
Learning
change the later version.
We will also continue to wait for a long download. After the compilation process is completed, Ruby and Ruby gems will be installed.
Step 3-set the ruby version
After the rvm is installed, You need to execute the following command to set the ruby of the specified version to the default v
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 Web app
Rack is a framework between the Ruby server and the rack application, Rails,sinatra is built on rack and belongs to the rack application.
Rack provides a standard interface for interacting with the server. The standard rack program is an object that responds to call, can be an object, a Proc, a lambda, or even method, which receives the env parameter (the Environment object) and returns an array that inclu
Ruby on Rails is a software package for writing network applications. It's based on a computer software language, Ruby, Provides powerful framework support for program developers. You can write first-class networking software with less code and a lot more time than before. The more famous community sites 43things.com, odeo.com and basecamphq.com are using
Label: Queried the experience of the great God Http://stackoverflow.com/questions/19078044/disable-activerecord-for-rails-4 Http://stackoverflow.com/questions/821251/how-to-configure-ruby-on-rails-with-no-database The one I liked the most was the way I used it. If you is creating a new application, you can use-O to skip activerecord:rails new My_app-O for existin
Recently wanted to get an Android app that has access to the Internet, because it's fast so it uses Ruby on Rails to provide HTTP resources. This information is still relatively small, so the attempt to record the process.1 building Web application with Ruby on Rails1.1 New Web ApplicationCD Test1.2 Generate productRails Generate Scaffold Product reference:string
Ruby on Rails is a Web application that enables you to develop, deploy, and maintain
ProgramA simple framework.
Of course, all web frameworks share the same goal. What makes rails so different? We can answer this question in several ways.
First, look at the architecture. In the past, many developers used the MVC Architecture in rigorous web applications. The
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