Ruby On Rails

Tutorials

Containerizing Rails: Techniques, Pitfalls, and Best Practices (RailsConf 2018)

Containerizing Rails: Techniques, Pitfalls, and Best Practices (RailsConf 2018) On April 18, 2018, I spoke on "Containerizing Rails: Techniques, Pitfalls, and Best Practices" at RailsConf in Pittsburgh, PA. The talk discussed best practices for designing Docker containers for Rails applications.Talk resourcesVideo on Confreak...

Render and combine PDF files into one

Render and combine PDF files into one Render PDF files from HTML templates in Rails can be done using WickedPDF.First you need to use ActionView to render HTML to a string:.

How to Implement Elasticsearch in a Rails Web App. Part 2

How to Implement Elasticsearch in a Rails Web App. Part 2 This article was originally published on Codica blog.Today, we are going to provide you with the second part of the article How to Implement Elasticsearch When Developing a Rails Web App. Here we will discuss the process of Elasticsearch implement...

Create factory with an uploaded file in Rails rspec

Create factory with an uploaded file in Rails rspec To create a factory with an uploaded file in Rails rspec, needs to be included ActionDispatch::TestProcess module in the rails_helper.rb file to use the .

How to delete polymorphic models cascade

How to delete polymorphic models cascade You will not be able to add the usual foreign keys for cascading delete records. But this can be implemented using a database.To do this, you need to write a trigger in the database that will run the delete function for each record.clas...

Dependency Injection in Ruby 🌈

Dependency Injection in Ruby 🌈 I once wrote an article on Medium about dependency injection - Dependency Injection is not Scary!. Recently joined dev.to, I thought I'd bring my thoughts here as well.Okay Eli, I know how to dependency inject now thanks to the medium article. BUT...

Token Authentication with Rails, Vue, GraphQL and Devise

Token Authentication with Rails, Vue, GraphQL and Devise You’ve likely heard about the new kid on the block.

Use image files from S3 in WickedPdf

Use image files from S3 in WickedPdf If you need to use image files from S3 in your generated pdf file using WickedPdf, then you need first to download the image. You can create method that does this and add it to the helper.

Build Messaging Between Ruby/Rails Applications with ActiveMQ

Build Messaging Between Ruby/Rails Applications with ActiveMQ One of the tools that are rarely covered in the Ruby/Rails world are the message brokers (probably because they mostly written in Java). Everyone are familiar mostly with background jobs processing, but message brokers offer a more flexible approa...

How to TDD when TDD is hard

How to TDD when TDD is hard When test-driven development works well, it’s smooth and fluid, guiding you back and forth between test code and application code. It hints at what you need to do next—what to add, what to change, what to remove. And it does so quickly. The proces...

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