Ruby On Rails

Tutorials

Decoupling Ruby: Delegation vs Dependency Injection

Decoupling Ruby: Delegation vs Dependency Injection We've all worked with tightly-coupled code. If a butterfly flaps its wings in China, the unit tests break. Maintaining a system like this is...unpleasant. In this article, Jonathan Miles dives into the origins of tight-coupling. He demonstrates ho...

Linking a Webcam Directly to Rails' ActiveStorage

Linking a Webcam Directly to Rails' ActiveStorage Quick Note: I’m actively looking for a new remote Ruby/Rails opportunity. Please get in touch if you or someone you know needs some hands and I’ll be happy to jump aboard! Here’s a CV.OK, down to business!ActiveStorage is awesome! For all the time...

How to Deal with 1,000 Failing Specs in a Rails App

How to Deal with 1,000 Failing Specs in a Rails App A few months ago, Planet Argon kicked off a Rails 2.1 to Rails 3.0 / Ruby 1.8.7 to Ruby 1.9.3 upgrade for one of our clients. The monolithic Rails app contained over 1 million lines of code and accumulated over 9,000 RSpec tests throughout its dec...

Rails introduces disallowed deprecations in ActiveSupport

Rails introduces disallowed deprecations in ActiveSupport But, when developing new features after it, we might use end up using deprecated update_attributes again. We might ignore these deprecation warnings and on next Rails upgrade we will encounter new issues.To avoid the above case, Rails has introduc...

How Was My Experience Migrating a Rails API to Crystal AWS Lambda? Part I

How Was My Experience Migrating a Rails API to Crystal AWS Lambda? Part I Today I am going to tell you how was my first project as a Codeminer42 employee. Two colleagues and I were charged of building a microservice for a logistics company. It was a great experience to learn about new services, features, and even a new ...

Rubynetes: Kubernetes config the easy way

Rubynetes: Kubernetes config the easy way Kubernetes is a useful system for managing modern deployments, but it is a big beast whose flexibility brings with it a new twist on some old, old problems - how do we tell the machine what to do and keep that up to date over time? Configuration a...

Understanding Rails secrets/credentials

Understanding Rails secrets/credentials I personally have found Rails credentials really hard to understand. I think there are three reasons why this is.The official Rails docs about the credentials feature are a little terse and not easily discoverable.The feature changed somewhat dras...

Calculate a mean average from a Ruby array

Calculate a mean average from a Ruby array Ruby doesn’t provide a native method to generate an average (mean) value from an array of integers. Its built-in Math library focuses on more complex calculations and there’s no built-in .

Gemifying Your Style Guide to DRY Your CSS

Gemifying Your Style Guide to DRY Your CSS At Ombu Labs we like to follow a style guide to drive our own products. A style guide is a document that provides guidelines for the way your brand should be presented from both a graphic and language perspective. You can see Fast Ruby's style gui...

lambdas Are Better Than procs

lambdas Are Better Than procs Many Rubyists believe that lambda and nonlambda Procs are pretty much the same and that choosing which one to use is a subjective preference. This is an unfortunate fallacy.This article will attempt to achieve two purposes:1) to explain the differ...

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