/Victoria/Sites/sample_app/Gemfile:28: syntax error, unexpected ':', expecting kEND gem 'rails 浏览3提问于2012-05-14得票数 18 回答已采纳 6回答 创建Rails模型时出现语法错误 、 我使用以下命令在Rails 3中创建汽车模型:但是我得到了一个错误: /home/XX/.rvm/gems/ruby-1.9.2-p290/gems/act...
4、使用浏览器访问项目 Start web serverrails s 浏览器访问:http://localhost:3000/ 5、生成控制器和视图 rails generate controller demo index:生成名为demo的controller以及index的视图 routes.rb 6、服务器请求:浏览器发送请求,当在public里面存在与请求路径一致的文件时,直接返回该文件,如果不存在,则需要访问rai...
ArgumentError:Missing`secret_key_base`for'production'environment, set this string with`rails credentials:edit` 需要添加生产密钥 在rails4 中这个密钥是通过rake secret RAILS_ENV=production创建后放到服务器端的/home/xxx/your_web_app/shared/config/secrets.yml中的,而在rails5中改成了master.key ,使用时需...
Ruby on Rails is known for its convention over configuration approach. Discover how Rails can help you build scalable web applications with ease.
This is the course we wish we had when learning Rails. One that's easy to jump into, doesn't get bogged down in syntax minutiae, and focuses on building a real Rails app. Nothing is held back: we tackle complex features by breaking down the concepts so everything makes sense. We hope...
步骤3 － 设置 Ruby 版本RoR:Ruby On Rails 的 Web Serviceror对于初学者来讲，可能最大的困难莫过...
Ruby/Rails video transformations Last updated: Apr-23-2025 Overview After uploading videos to Cloudinary, they can be transformed in many ways. The syntax for transforming and delivering videos is generally the same as that for images, and you can apply the majority of available image ...
update]被当作函数参数的一部分作为通用散列处理，这不是一个特殊的语言特性（Ruby或Rails），尽管将on:...
1. Ruby on Rails Ruby on Rails framework is used for back-end web development and was developed in 2004. It is considered one of the top server-side programming languages. It consists of multiple libraries, called gems, that help in the functioning of certain features of web applications. ...
update]被当作函数参数的一部分作为通用散列处理，这不是一个特殊的语言特性（Ruby或Rails），尽管将on:...