此文翻译自Reading Rails - Handling Exceptions,限于本人水平,翻译不当之处,敬请指教! 我们今天开始会读一些Rails的源码。我们有双重的目的,先通过学习(Rails)如何处理异常,再扩展到整个Ruby中基础知识的学习。 Rails通过让你使用rescue_from方法,让你在你的controller里边为常见的异常定义处理方法。举例来说吧,你可以...
Ruby on Rails (4) :3.配置数据库文件在mysql中新建数据库demo6_development(也可以使用命令rakedb:create 创建数据库),配置config/database.yml文件,添加自己的...:migrate",点击OK,点击运行(这里上篇文章说过了),这是控制台输出 这一步也可以直接使用命令rakedb:migrate 完成数据库迁移工作。 10.配置邮件服务...
RoR:Ruby On Rails 的 Web Service其实就是一捆gems Tip: 查看本地有哪些 gem ，可以通过如下方式 [...
ruby on rails致命错误(用户***密码身份验证失败)因此，您的数据库配置被正确使用，因为您的错误消息提...
Screencast tutorials to help you learn Ruby on Rails, Javascript, Hotwire, Turbo, Stimulus.js, PostgreSQL, MySQL, Ubuntu, and more.
https://github.com/rails/rails/releases/tag/v7.0.2 更新标题 普通更新 更新详情 ## Active Support * Fix `ActiveSupport::EncryptedConfiguration` to be compatible with Psych 4 *Stephen Sugden* * Improve `File.atomic_write` error handling.
We will be setting up a Ruby on Rails development environment on Ubuntu 17.10 Artful Aardvark. The reason we're going to be using Ubuntu is because the majority of code you write will run on a Linux server. Ubuntu is one of the easiest Linux distributions to use with lots of documentation...
gem 'rails_exception_handler', "~> 2" Generate an initializer: rails g rails_exception_handler:install Open config/initializers/rails_exception_handler.rb, have a quick look and read on. Configuring the basics environments An array of symbols that says which Rails environments you want the excep...
In Rails, View generation is handled by Action View. Controller layer The Controller layer is responsible for handling incoming HTTP requests and providing a suitable response. Usually, this means returning HTML, but Rails controllers can also generate XML, JSON, PDFs, mobile-specific views, and ...
Ruby, with frameworks like Ruby on Rails, provides a more productive environment for building web applications. However, Rust can be used to write performance-critical parts of a web application, such as database interactions or computations. What are the challenges in porting Ruby code to Rust?