rails helpers

seen installed, such as openSUSE Copy Code code as follows: sudo zypper install Sqlite3 Rails 4 Hello,world Can be generated directly with rails Copy Code code as follows: $rails New Hello And then there's the Copy Code code as follows: Create Create Readme.rdoc Create Rakefile Create config.ru Create. G

can go into the Rails services container and execute the commands we need. Enter the container for the Rails service: Docker-compose EXEC Rails BashHello,rails Let Rails say "hello" and you can create a simple controller and view. Using the controller manufacturer, creat

install sqlite3Rails 4 Hello, World You can use rails to generateCopy codeThe Code is as follows: $ rails new helloSo there isCopy codeThe Code is as follows:CreateCreate README. rdocCreate RakefileCreate config.ruCreate. gitignoreCreate GemfileCreate appCreate app/assets/javascripts/application. jsCreate app/assets/stylesheets/application.cssCreate app/controllers/application_controller.rbCreate app/

HelloSimilar to the following output, here welcome specifies the control name. In the file welcome_controller.rb, a class welcomecontroller is generated, which is similar to the action in Java. One of the methods is hello. C: \ Ruby \ Project \ Sample > Ruby script / Generate controller welcome HelloExists app / Controllers / Exists app / Helpers / Create app / Views / WelcomeExists Test / Functional

When pry is used, you will feel that the previously used debugger method is so complicated and troublesome that it brings up the troubles of rails S and takes time to enhance IRB's functions, By default, the pry configuration is enough, so that the rails console can also rest. Installation: Add in gemfile gem ‘pry‘, :group =gt; :development Then execute bundle install You can.Usage: Replace the IRB method w

load rake tasks that can be performed by the terminal The following is a view with the tree command, showing the directory and file structure: . ├──app│├──assets││├──images│││└──rails.png││├──javascripts│││└──application.js││└── Stylesheets││└──application.css│├──controllers││└──application_controller.rb│├──helpers││└──ap Plication_helper.rb│├──mailers│├──models│└──views│└──layouts│└──application.html.erb├──config │├──application.rb│├──boot.rb│

' create ', as:: "Create end " Restart the rails server to access http://localhost:3000/posts/new, and now we can upload images to seven cattle cloud storage at the time of the new post. Tips: The file will be uploaded to the open space named Konata (bucket).We do not specify key in code, and the seven Neu Yun store defaults to use the hash (ETag) value calculated based on the contents of the file as the key. This practice can be very simpl

Brief introduction Today's applications need to interoperate not only with browser-based clients, but with other applications as well. For interoperability, Web applications typically provide a Web service API. The Web services API provides remote access to applications through a network, such as the Internet. Until recently, the Web services API had also been integrated with heavy, complex, SOAP-based Web services, which had little merit and would take a long time to implement. The

Ruby on Rails Session 1: How to Build a Ruby on Rails on the Ubuntu., railsubuntuAbout Ruby on Rails Ruby on Rails is an application stack that provides developers with a framework to quickly create a variety of web applications. ruby on Rails does take a little while to ins

$ Rails _ 3.0.5 _ new depotRubygems. RB: 244: In 'bin _ path': Can't Find gem railties (["3.0.5"]) with executable rails (GEM: gemnotfoundexception)ErrorAfter you reinstall rails sudo gem install rails -- version 3.0.5$ Rails _ 3.0.5 _ new depotDependency. RB: 247: In 'to _

not ideal, we can add our own style to it icon-muted as follows:?This gem's readme document, which comes with GitHub, is compared to read:? Readme.mdFont-awesome-rails??Font-awesome-rails provides the? font-awesome? Web fonts and stylesheets as a Rails engine for use with the asset pipeline.InstallationAdd this to your gemfile:Gem "Font-awesome-

How can we improve the performance of RailS Applications ?, Improve rails Is rails slow? 「 Railway is slow 」. You may have heard of this joke. What about our Rails framework?If Rails is slow, how to improve the performance of Rails