Ruby On Rails

Tutorials

How to write Javascript in Rails 6 | Webpacker, Yarn and Sprockets

How to write Javascript in Rails 6 | Webpacker, Yarn and Sprockets Do you feel lost with all the changes related to assets and Javascript? Npm, Babel, ES6, Yarn, Webpack, Webpacker, Sprockets, do they all look like complete strangers to you?If you need a quick, easy to understand topo on how this whole Javascript...

The Case for Stabby Lambda Notation

The Case for Stabby Lambda Notation In a previous article, "lambdas Are Better Than procs", I proposed that lambdas should be used rather than procs in almost all cases, given that they are safer in terms of argument count checking and return behavior.So it makes sense that -> shoul...

Nested API parameter validation in Rails with ActiveModel::Validations

Nested API parameter validation in Rails with ActiveModel::Validations In an earlier project we had a few affiliate partners with a deep desire to interact with our system in an automated fashion. So, I naturally created a new basic API endpoint for them to send leads to our system. Then we started testing the integr...

Decimating deprecated finders

Decimating deprecated finders Use synvert snippets to automatically rewrite ruby code for a smoother upgrade path to Rails 5.I imagine that while planning the release of Rails 5, and considering the prospect of maintaining the activerecord-deprecated_finders gem, the rails tea...

Working Around ActiveRecord Callbacks

Working Around ActiveRecord Callbacks Working on applications that overuse ActiveRecord callbacks can be painful. Saving or updating any given record might cause a cascade of API calls and business logic that’s totally irrelevant to what you’re trying accomplish. I’ve got a great tric...

Introducing Nexmo Rack Middleware

Introducing Nexmo Rack Middleware Behind every great web framework is infrastructure that makes it all possible. Whether you are building with Ruby on Rails, Sinatra or other Ruby based web frameworks, you are most likely utilizing Rack.Rack makes it possible to build a customizab...

From jQuery to ES6 | Drifting Ruby

From jQuery to ES6 | Drifting Ruby jQuery has been a great tool for many years, but we've seen a transition in the past years where applications have dropped jQuery and moved to vanilla javascript. In this episode, we look at some common jQuery examples and the ES6 equivalencies.

Ruby - raise Exception.new or raise Exception - they're both the same | Arkency Blog

Ruby - raise Exception.new or raise Exception - they're both the same | Arkency Blog The way I’m raising the exception here is that I raise it without calling .new. This may look as if I’m raising a class, not an object.Some people asked me if this actually works and if it’s the same.We already know the short answer, so let’s dig ...

Overpacking: A Common Webpacker Mistake

Overpacking: A Common Webpacker Mistake First, let's take a step back. If you're new to Webpack and Webpacker for Rails, chances are you may be making some simple mistakes.I know this because I was once in your shoes struggling to learn how Webpack works. I've also spent a lot of time h...

Refactoring Ruby with Monads

Refactoring Ruby with Monads Hello! I’m going to tell you about monads, and how we can uncover them by refactoring our Ruby code.The ideas in this article might be unfamiliar, so before we get stuck into the details, let’s warm our brains up with something simple.People alway...

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