heroku rails

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

Release date:Updated on: 2013-01-31 Affected Systems:Ruby on Rails 3.xRuby on Rails 2.xDescription:--------------------------------------------------------------------------------Bugtraq id: 57575CVE (CAN) ID: CVE-2013-0333Ruby on Rails (RoR or Rails) is an open-source Web application framework written in Ruby. It is

Release date:Updated on: Affected Systems:Ruby on Rails 3.xRuby on Rails 2.xRuby on Rails 1.xDescription:--------------------------------------------------------------------------------Bugtraq id: 54958Cve id: CVE-2012-3464 Ruby on Rails (RoR or Rails) is an open-source We

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-dev irb libopenssl-ruby Gem $ Sudo apt-get install rubygems$ Vi ~ /. Bashrc Export PATH = "$ PATH":/var/lib/gems/1.8/bin $ Source ~ /. Bashrc Rails $ Sudo gem install

Getting started with image processing in Ruby on Rails, rubyrails Images can be said to be a vital part of any application. From social networks to a simple Bug tracker, images play an important role. However, managing images is not an easy task. It takes a lot of time and effort to plan images in advance. This article demonstrates how to achieve this in Rail. How to process your images and create multiple versions in the background? How to Improve pa

Details about the association between models in ruby on rails: rubyrails Preface:Before learning model Association, remember the following points:1. Link. Both ends must be written. Otherwise, errors that beginners cannot understand may occur. It is also very beneficial to understand the code.2. The model name is singular and the controller is plural.3. blong_to must be followed by a singular number and be in lowercase. Has_many must be followed by a

1. Prepare the library used for installation $ Sudo apt-Get install GCC g ++ build-essential libssl-dev libreadline5-dev zlib1g-dev Linux-headers-generic 2. Download ruby1.9.2 source code compilation and Installation $ Wget ftp://ftp.ruby-lang.org//pub/ruby/1.9/ruby-1.9.2-p0.tar.gz (If you cannot download, you can choose: http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.2-p0.tar.bz2, http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.2-p0.zip) $ Tar-xvzf ruby-1.9.2-p0.tar.gz $ CD ruby-

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 installation method is also applicable to the product environment!System RequirementsFirst determine the operating system environment, it is not recommended to engage in Windows, so you need to use: Mac OS X Any

[Email protected]:/var/www/ashelf$ rails_env=production Rails susage:rails new App_path [options]options:-R, [--ruby=Path] # path to the Ruby binary of your choice# Default:/home/diudiugirl/.rvm/rubies/ruby-2.3.0/bin/Ruby-B, [--builder=Builder] # path to a application BUILDER (can be a filesystem Path or URL)-M, [--template=Template] # path to the application TEMPLATE (can be a filesystem Path or URL) [--skip-gemfile], [--no-skip-gemfile] # Don'T crea

Using Rake in Rails to manage MySQL databases as an excellent programmer, in addition to writing a large number of programs, it is inevitable to create a large number of databases. In the past few years, I have created and managed a large number of MySQL databases. in this process, I have used various tools for management, so that the process is simpler, for example, the preferred graphical management tool PHPMyAdmin and command line-based MySQL clent