rails helpers

Ror may be the biggest difficulty for beginners, that is, the installation and setup of the development environment. Today, it has been around for a long time, and the process has been posted here, so that beginners can avoid detours. 1. Install Ruby 1.8.6 Open http://rubyforge.org/frs? Group_id = 167, install the final version of ruby1.8.6-26 After the download is complete, enter the ruby-V verification version in the command line: \ Ruby \ bin is added to the PATH environment variable) Note: A

# The tragedy of the tip of the iceberg ProductionStarted GET "/discount_service/assets/admin.js?body=1" for 127.0.0.1 at 2014-05-23 14:50:24 +0800actioncontroller:: Routingerror (No route matches [GET] "/discount_service/assets/admin.js"): Actionpack (4.0.0) lib/action_dispatch/ Middleware/debug_exceptions.rb:21:in ' call ' Actionpack (4.0.0) lib/action_dispatch/middleware/show_exceptions.rb : 30:in ' call ' Railties (4.0.0) lib/rails/rack/logger.rb:

The most troubling thing about rails development is environmental issues. With its own ideas and the help of a great defense project, the configuration of each environment takes a long time to solve, and there are many inconveniences in collaborating with others. So I've been trying to do a development environment that can be reused at any time. 1. Install Docker The latest solution for Mac Docker is the Docker for Mac, which can be downloaded direc

The use of Ruby on Rails in Linux can make it easier to maintain and develop Web applications, allow developers to focus more on the logical structure of the system, and configure the Ruby on Rails development environment before use, and the following small series will introduce Ubuntu 12.04 How to configure the Ruby on Rails development environment. Ubuntu 12.0

Install ruby on rails development environment in win7, win7rails PrefaceMany articles have said that the ruby environment is very difficult to build on windows, and various strange problems may occur. Therefore, we recommend installation and development on linux and mac. However, I followed the tutorial, and there were not too many problems. It took about two and a half hours to complete. So don't be scared. Next we will record the installation steps

Because the task is heavy, time is tight, there is not much time to study, roughly find some online learning materials, here to do a collation, I hope that the same friends who are ready to learn to helpOnline documentation Classes:Ruby on Rails combat Bible using Rails 4.2 and Ruby 2.3 (Simplified Chinese version)Rails Guides (English version)

Rails new demo-D MySQL creates a project using MySQL Rails g controller welcome creates a new welcome Controller Rake DB: create creates an empty database based on the configuration Rails g scaffold person name: String Bio: Text birthday: Date Rake DB: migrate executes all files under DB/migration (used for database operations)

1.RubyInstaller Download window version installation at Rubyinstaller website, address: http://rubyinstaller.org/downloads/Execute setup, tick add Ruby executables to your PATH, install finish test on cmd ruby-v viewNote that there are no spaces in the installation path, otherwise it will affect rails installation TIPS: If the input ruby-v in the console (CMD) is not responding, it should be that Ruby did not join the environment variable, in the syst

It took nearly two years. After multiple test versions, Ruby On Rails 3.0 was officially released. Over 1600 developers participated in the development. With the joint efforts of everyone, Ruby On Rails 3.0 was "faster, stronger, and more beautiful". I believe the new version will not disappoint you. The Ruby On Rails 3.0 official version has changed a lot, so it

The program initially uses the sqlite3 database. Modify the Gemfile file to add the Support group: productiondo # gemsspecificallyforHerokugoheregem "pg" endbundleinstall to the heroku deployment to pre-compile some files. Otherwise, the bundleexecrakeassets will error on heroku: The program initially uses the sqlite3 database. Modify the Gemfile file, and add pg support to heroku deploymentGroup: production do# Gems specifically for Heroku go hereGem "pg"End Bundle install Pre-compile some file

Using MVC thinking to understand the design structure of the Ruby on Rails framework, rubyrails In rails, the process of sending a request (/users) is as follows:1). the browser sends a request (/users)2) Rails routes requests to the index method of users_controller.3) users_controller calls the User Model back to obtain all the users4) The User Model reads all t

Create a restful ResourceProblemYou 've heard all the buzz about creating restful this and that. There'sLittle doubt that rails 2.0 heavily favors the rest into tural style1And that it will continue to do so.You're feeling a little out of the loop, and what you 've got so far isA tad too academic. As a practical matter, you 'd like to create a web-Accessible API for one of your models and write a client programAdminister that model remotely. What can

Using extends mapper with rails 3 is easier than ever. thanks to new features in activesupport, and the new activemodel framework (which extends mapper 0.9 + uses), your app can be up and running on MongoDB in a matter of seconds. First, if you're new rails 3 application, it is recommended to leave out the activerecord dependencies (unless you need them of course). From the console, just run: