Ruby On Rails

Tutorials

Building Tests in Ruby: Expectations and Matchers

Building Tests in Ruby: Expectations and Matchers When building tests in Ruby, expectations are a very important component. They allow you to set the intended results of the function, method, class, etc. that you are testing. The way that we set expectations in Ruby tests is by using expect(code)...

Use a custom validator

Use a custom validator Active Model’s validations, used by calling validates inside your model with various options, can be supplemented with your own custom classes. The Rails Guides contains a section on custom validations.

Making friends with RuboCop

Making friends with RuboCop At Memory.ai, we started using RuboCop heavily. This is a story of how we integrated RuboCop into our existing app.This is not an introductory post to RuboCop. Check out what RuboCop is before diving into our experience report.We started with rubo...

Rails 6 marks arrays of translations as trusted safe by using the '_html' suffix

Rails 6 marks arrays of translations as trusted safe by using the '_html' suffix Before Rails 6, keys with the _html suffix in the language locale files are automatically marked as HTML safe. These HTML safe keys do not get escaped when used in the views.

Ruby gem for user notification management.

Ruby gem for user notification management. Noticent is a Ruby gem for user notification management. It is written to deliver a developer friendly way to managing application notifications in a typical web application. Many applications have user notification: sending emails when a task is ...

Ruby 2.7 adds FrozenError receiver

Ruby 2.7 adds FrozenError receiver Ruby 2.7 has added FrozenError#receiver to return the frozen object on which modification was attempted. It is similar to NameError#receiver. This can help in pinpointing the frozen object. Before In Ruby, we use freeze on objects, to make sure...

Extract videos from youtube in audio format using webscraping techniques

Extract videos from youtube in audio format using webscraping techniques This gem can extract videos from youtube in audio format using webscraping techniques.

Ruby Chrome/Chromium driver

Ruby Chrome/Chromium driver As simple as Puppeteer, though even simpler.It is Ruby clean and high-level API to Chrome. Runs headless by default, but you can configure it to run in a non-headless mode. All you need is Ruby and Chrome/Chromium. Ferrum connects to the browser v...

Architect 6.0: Ruby, Python, CDNs, and CloudFormation

Architect 6.0: Ruby, Python, CDNs, and CloudFormation Since 2017, Architect has been the premiere foundation-backed open source serverless framework, with a clear focus on being the simplest, fastest way to build a modern web app.The space has evolved rapidly, and we’re incredibly excited to announce...

Testing external API integration with VCR gem

Testing external API integration with VCR gem Suppose your application connects to an external service via API and you have a wrapper for this API that handles and parses response. The VCR gem gives you ability to store parsed response in a special format (cassetes). VCR makes a real request ...

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