1 Ruby on Rails Routing Question 0 Ruby on Rails 4 Routing 0 Ruby on Rails routes 4 Ruby on Rails, Routing 0 Need a hand in Routing in rails 0 Routing in Rails Hot Network Questions Electrons in Nernst equation depend on how it is balanced Does a cancellation of an accepted...
When I want to create a Ruby on Rails project, I get the message below. /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:55: uninitialized constant ActiveSupport::Dependencies::Mutex (NameError) from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:...
Ruby On Rails 4 hello world,Ruby On Rails上手 ruby on railsrubyjavadjango 有机会再试一试Rails了,仅仅是原来接触的是2,如今已然变成了4,似乎如今的安装比原来会快些。。 全栈程序员站长 2022/07/12 2.5K0 ruby on rails + mysql 开发环境搭建 ruby云数据库 SQL Server ror对于初学者来讲,可能最大的困...
在应用程序的config/initializers目录中创建一个自定义初始化器文件，删除包含无用信息的变量。删除以下错误...
Ruby on Rails的通过提供更多的特定功能的 gems 库使得可以是开发者在开发 Web 应用的时候更效率。对于有经验的开发者来说,ROR(Ruby on Rails 简称)是一个非常优秀的 Web 框架,具有创建功能强大且更加健壮的 Web 应用程序的能力。 RoR 改变了 Web 应用开发领域,通过引入工具促进应用程序快速开发并且使得编写代码变...
mount_uploader :avatar, AvatarUploader, mount_on: :avatar_file_nameI18nThe Active Record validations use the Rails i18n framework. Add these keys to your translations file:errors: messages: carrierwave_processing_error: failed to be processed carrierwave_integrity_error: is not of an allowed file ...
1. Install Ruby on Rails in Linux 1.1. Install Ruby in Linux 1.2. Install SQLite 1.3. Install Nodejs 1.4. Install Yarn 1.5. Install Rails 2. Create a new Rails application 3. Use MySQL With Rails Application 4. Use PostgreSQL with Rails Application ...
I'm trying to build GitLab 16.7.2 (for Arch Linux packaging) and getting hung up on rake gitlab:assets:compile. The error doesn't leave me a lot of clues. I don't necessarily thing this is the fault of Rubygems, but the error output spec...
由于Ruby on Rails 框架的成功,Ruby 在 2012 年的 RedMonk 语言排行榜上飙升至第五位,该排行榜结合了 GitHub 和 Stack Overflow 上的排名来评估语言的流行度。 尽管Rails 很受欢迎,但是它面临着越来越激烈的竞争。几年后,随着发展,互联网公司逐渐更关注规模伸缩等问题。2018 年,Ruby 已经 25 岁了,它的排名下...
url: https://stackoverflow.com/questions/1992019/how-can-i-rename-a-database-column-in-a-ruby-on-rails-migration Delete attribute form model in Ruby on Rail rails g migration migrationname remove_column :users, :age Rails 5: rename table migration ...