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Https://ruby-china.org/wiki/install_ruby_guideHow to quickly and correctly install Ruby and rails runtime Environments For new entry-level developers, installing Ruby, Ruby gems, and rails
10 essential and useful Ruby on Rails 4 Gems The Ruby on Rails framework is a powerful tool used to develop Web applications. It is equipped with a large number of built-in functions to help accelerate the development of your Web applications, such as smart routing and Obj
Construction of development environment under Windows system 1. Remote Installation Step 1: Download and install the Ruby one-click installation package Download the latest Ruby 1.8.4-16 one-click installation package with a download address of : http://rubyforge.org/projects/rubyinstaller/ Run the inst
For new entry-level developers, how to install Ruby, Ruby Gems and Rails running environments can be a problem, and this page focuses on how to quickly install a ruby development environment with a plausible path.The secondary ins
For newly-introduced developers, how to install Ruby, the operating environment of Ruby Gems and Rails can be a problem, this page focuses on how to quickly install a ruby development environment with a reliable path.The secondary
For beginners, how to install Ruby, Ruby gems, and rails execution environments may be a problem. This section describes how to install the ruby development environment quickly with a reliable path.The same installation method app
/categories/queueing.html The installation steps I have summarized are as follows: (ubuntu10.04 is feasible; in Windows, you can directly execute the command line to remove SUDO) Ruby1.8.7 installation: Sudo apt-Get install ruby-full ruby1 . 8 -DevRuby-V # View Ruby version 1.8 . 7 Then
%) fetching:rack-1.4. 1.gem (100%) fetching:rack-cache-1.2.gem (100%) fetching:rack-test-0.6. 1.gem (100%) fetching:journey-1.0. 4.gem (100%) fetching:hike-1.2. 1.gem (100%) fetching:tilt-1.3. 3.gem (100%) fetching:sprockets-2.1. 3.gem (100%) fetching:erubis-2.7. 0.gem (100%) fetching:actionpack-3.2. 6.gem (100%) fetching:arel-3.0. 2.gem (100%) fetching:tzinfo-0.3. 33.gem (100%) fetching:activerecord-3.2. 6.gem (100%) fetching:activer
)SOURCE ~/.RVM/SCRIPTS/RVMCheck to see if the installation is correct(Stable[https://rvm.io/]Step 2-Install the Ruby environment with RVM$ RVM Install 2.0.0Also continue to wait for a lengthy download, the compilation process, after completion, Ruby, Ruby Gems is installed.S
ObjectiveSee a lot of articles say Ruby environment is very difficult to build on windows, there will be a variety of strange problems, so it is recommended to Linux and Mac installation development. But I followed the tutorials and the questions were not too much. It took about 2.5 hours or so to complete. So don't be scared to pee, the following is the installation of the steps and specific version of the
Today, I went to cyberspace to deploy my website for my friends. The server is a Windows2003 server. I did not expect to configure ror on Windows2003 as a nightmare, because I saw a lot of IIS and ror documents on the Internet. If you don't know, it's a nightmare. I was too busy till five o'clock P.M., but I still didn't configure it. I came back at night and thought about it. Something is wrong. It may be okay to change my mind. The general idea is to ins
Zhou haihan 2010.7.12 Ubuntu 10.04 has the following problems when installing Ruby and rails: 'Require ': no such file to load -- mkmf (loaderror) Installation Process: Install ruby1.9.1 Zhouhh @ zhh64 :~ $ Sudo apt-Get install ruby1.9.1-full Zhouhh @ zhh64 :~ $ Sudo apt-Get in
1. Install Ruby, rails, mongrel, and apache2.2 download one-click Ruby install from the rubyforge website and run the installation program. Then Ruby and rubygems are installed. Run the command: Gem
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
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 gi
Ruby $ sudoapt-getinstallrubyruby-devirblibopenssl-rubygem $ sudoapt-getinstallrubygems $ vi ~ /. BashrcexportPATH = "$ PATH":/var/lib/gems/1.8/bin $ source Install Ruby, Rails, and Passenger in Ubuntu Ruby $ Sudo apt-get install
Ruby on rails gem install pg cannot be installed, rubyrails gem install pg -v '0.18.2'Building native extensions. This could take a while...ERROR: Error installing pg: ERROR: Failed to build gem native extension. current directory: /Users/bevan/.rvm/gems/ruby-2.3.0/g
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
Here simply add a few validations, non-empty, minimum length, uniqueModifying a modelModify the App/models/post.rb file as follows:Class Post At this time to run the service, modify/New model, when nothing is filled, can not be submitted, nor error.What's the reason?Because you didn't show the error message.Modify viewsModify the App/views/posts/new.html.erb file as follows:That is, addFor App/views/posts/edit.html.erb.Running the serviceRails S-b 192.168.xxx.xxx-p 3000, add a record, do not fil
Rake is a program written in Ruby and we use rake to read the rakefile. And Rakefile contains defined tasks, each with a name, and some of the tasks it relies on, and a set of actions to perform. Now let's take a look at the rake in Rails. When you create a project using rails ' generate scripts, you automatically generate a Rakefile file in the root directory of
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