gem install rails

Rubyrailsdevkitsqlite3 environment dependencies installed with railsinstaller have been installed now want to try mysqlC: windowssystem32 gt; railsnewE: rubykk10-dmysqlInstallingmysql2 (0.3.13) Gem: Installer: ExtensionBuildError: ERROR: warning. f: railsRailsInstalle... mysqlgemrailsrailsinstallerruby Ruby rails devkit sqlite3 on which the environment installed with railsinstaller depends has been in

Ruby You don't need to talk about this. RVM It is used to help you install the Ruby environment, help you manage multiple Ruby environments, and help you manage the Ruby environment on which the Ruby application you develop uses the machine. The Ruby environment is not only Ruby itself, but also a third-party Ruby plug-in on which it depends. All are managed by RVM. Rails Needless to say, this is a well-kno

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 ruby environment is not just Ruby itself, it also includes dependent Third-party Ruby Plug-ins. are managed by RVM. Rails This also needless to say, the famous development

Ruby You don't need to talk about this.Rvm It is used to help you install the ruby environment, help you manage multiple Ruby environments, and help you manage the ruby environment on which the ruby application you develop uses the machine. The ruby environment is not only Ruby itself, but also a third-party Ruby plug-in on which it depends. All are managed by rvm.Rails Needless to say, this is a well-known development framework. Look at http://zh.wik

, let's create the controller first. The command line is as follows: Ruby script/generate Controller Hello This produces a controller that corresponds to the c:/rubydev/first/app/controllers hello_controller.rb Create an action, which is to modify the contents of the C:/rubydev/first/app/controllers hello_controller.rb file as follows: Class Hellocontroller def thereEndEnd Step Seventh: Write the there.rhtml below the/app/views/hello directory, which reads as follows: This is your the on

Problem Description: Under the Ubuntu system, the Ruby development environment is installed first through the command sudo apt-get install Ruby, and then with the command-line gem install Jekyll install the GitHub page's development tool Jekyll, encountered an error message: Failed to build

Because the host environment can not be linked to the network, sad, so only to find ways to download the package, upload to the host to installEnvironment: el6.x86_641. Gem installation [http://centos.ustc.edu.cn/centos/6/os/x86_64/Packages/]Ruby 1.9. Version 2 has the Ruby Gem installed by default, if your version is lower than this? Well, then look down.Installing GEMS requires ruby version at 1.8.7# Rpm-

Link: http://www.iteye.com/topic/797489 Curl official download http://curl.haxx.se/download.html First download the tool from curl, remember to download the tool on the windows platform, select the version that supports SSH2 and SSL protocols, so that you can support the gem download methods for these two protocols, if errors are used during use, download all other attachments on the page. Note: curl is a command line download tool that supports

Label: I/O, AR, SP on C file BSThis problem found during development todayThe per function of kaminari cannot be used in any configuration, and the page size is fixed at 30.At first, I thought it was the gem of ransack. I searched the internet for a long time and found that noFinally, check carefully. It turns out that the gemfile contains will_pagination. After you delete it, everything will return to normal.After you use kaminari in Ruby on

Label:"' Block in Replace_gem ' when executing rails s: Install the MYSQL2 adapter: ' Gem install Activerecord-mysql2-adapter '" Error: [Email protected]:/var/www/ashelf$ Rails S=booting Webrick= Rails3.2.22.1Application startinginchDevelopment on http://0.0.0.0:3000= = Call

Install and use bundler in Ruby to manage multiple versions of gem and rubybundler With rbenv to manage a multi-version ruby environment, we also need a tool that can manage multiple versions of gem (such as rails), that is, bundler. The project background is not detailed, for more information, visit http://bundler.io/