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this command: \curl -L https://get.rvm.io | bash -s stable After it is done installing, load RVM. You may first need to exit out of your shell session and start up a new one. source ~/.rvm/scripts/rvm In order to work, RVM has some of its own dependences es that need to be installed. To automatically install them: rvm requirements You may need to enter your root password to allow the installation of these dependencies. On occasion the zlib package may be reported as missing. The RVM page descri

installing, load rvm. You may first need to exit out of your shell session and start up a new one. source ~/.rvm/scripts/rvm In order to work, rvm has some of its own dependences es that need to be installed. to automatically install them: rvm requirements You may need to enter your root password to allow the installation of these dependencies. On occasion the zlib package may be reported as missing. The rvm page describes the issue and the solution in greater detail here.Step two-install

automatically creates the file structure and initializes the template according to the MVC model. The file structure after creation is as follows:Note: If you do not create a successful, please do not worry, it may be some dependent file virtual machine is not the default, then you need to follow the failure of the prompt information, install the corresponding dependent package. Rebuild after installation is complete.(2) Modify the Gemfile file and rebuild, open the Gemfile, remove the # Gem '

search and replace it. Restart apache after completion. After completion, it should be similar to the screen that appears: Then you can start running the instance. 3. Run the Rails Applications \ Manage Rails applications on the left-side icon. The following interface is displayed: Here we select typo-2.6.0 and click start with Mongrel. When the prompt "Use CTRL + C to Stop" is displayed in the pop-u

1. Auxiliary methods2. StringEnter "IRB" into the ruby command-line development environment, and the controller starts by executing "rails console" on the command line.(1) String connection>>"foo"+"bar"="foobar" (2) Interpolation by special syntax #{}>>first_name="Amy" ="Amy">>" #{first_name} Sun"+"Amy Sun "(3) The di

Several solutions to improve Ruby on Rails performance: rubyrails Introduction The Ruby On Rails framework has received wide attention since it was proposed. Under the guidance of ideas such as "do not repeat yourself" and "convention is better than configuration, rails brin

Brief introduction The Ruby on Rails framework has been widely watched since its inception and, guided by ideas like "Don't repeat Yourself" and "contract is superior to configuration", rails gives Web developers a very high level of development efficiency. ActiveRecord's flexibility allows you to use a very easy-to-use Hibernate without cumbersome configuration

about REST, SOAP, Rails Active Resource, and how to improve interoperability between multiple applications. Ruby on Rails Ruby on Rails (also known as rails or RoR) is an open source Web application framework written in

than configured. ”Ubuntu, however, is a "Debian Linux derivative release that focuses on usability." "It's the most popular Linux distribution of all these years. Even better, Ruby on Rails and Ubuntu are open source, which means they're completely free!BrieflyIn this tutorial, we use the Ruby Version Manager (RVM) script to install

the line to the following code: [3] app/views/memos/index.html. ERB file, Row 3 Change the line to the following code: [4] app/views/memos/index.html. ERB file: 27th rows Change the line to the following code: 2.6 modify the config/application. RB File Cancel the comments of row 20th and line 21st, change 'my to 'c

Ruby languages are often praised for their flexibility. As Dick Sites says, you can "program for programming." Ruby on Rails extends the core Ruby language, but it is Ruby itself that makes this extension possible. Ruby on

"the object that wraps data rows in database tables or views, encapsulates database access, and adds domain logic to data ". In rails, each domain object will be extended to provide crud operationsActiveRecord::Base.Like hibernate, active record does not need to map files. In fact, developers using active record do not need to encode the attributes of getter, setter, and even classes. Through some beautiful vocabulary analysis, the active record can

. You have to install node[Root @ localhost ~] # Tar xzvf node-v0.8.18.tar.gz[Root @ localhost ~] # Cd node-v0.8.18[Root @ localhost node-v0.8.18] #./configure./Configure reports the following error:[Root @ localhost node-v0.8.18] #./configureFile "./configure", line 3601 if options. unsafe_optimizations else 0)^SyntaxError: invalid syntaxThe solution is as follows:[Root @ localhost ~] # Yum install python26Modify the first

to the project directory under the command line Rails has a problem. Even if a Gem cannot be installed, it cannot be run. You can ignore it, when that function is used, an error is prompted (Visual Studio is much simpler and more convenient to publish) This release service took one or two hours, and it was really difficult :) Bundle install Run: rails server #

How to Improve Ruby On Rails Performance 1 Introduction to Introduction It is always said that Rails is so slow that it has become a common issue in the Ruby and Rails communities. However, this statement is not true. As long as you use