Ruby On Rails

Tutorials

🏂 Ruby Bindings and Extensions

🏂 Ruby Bindings and Extensions Ruby is a wonderful language for so many reasons. It’s expressive, easy to read, ideal for modelling complex domains and there’s a broad and active community maintaining the language and libraries.However, it can occasionally be preferable to reac...

Using Action Text in a Rails 5.2 Application

Using Action Text in a Rails 5.2 Application With Rails 6.0 is around the corner, Action Text has been merged into the Rails repository. However, it can still be used on a Rails 5.2 application while we wait for its official release.

Active Admin Tips and Performance Optimizations for Rails Apps

Active Admin Tips and Performance Optimizations for Rails Apps Active Admin gem is a popular tool for building admin interfaces in Ruby on Rails apps. In this blog post, I will describe a couple of less obvious tips and performance optimization techniques.Active Admin should probably never be used for client-...

Solargraph Online Demo

Solargraph Online Demo This demonstration integrates Solargraph with the Ace web editor to provide basic Ruby code completion. For even more features, try the Solargraph extension for Visual Studio Code.Instructions: Enter some Ruby code and press ctrl space to see a li...

One Easy Way to Improve Your Ruby Security

One Easy Way to Improve Your Ruby Security Many people in the Ruby community have heard of Rubocop, and likely have some sort of love/hate relationship with it. If you haven't heard of this often polarizing gem, here is the gist of what it does straight from the Rubocop docs.RuboCop is a R...

The simplicity and power of Ruby Struct - usage, performance, alternatives

The simplicity and power of Ruby Struct - usage, performance, alternatives In simple words, Ruby Struct is a built-in class which provides useful functionalities and shortcuts. You can use it for both logic and tests. I will quickly go through its features, compare with other similar stuff and show some less-known but st...

Ruby & AWS Lambda, 💖 BFF 💖

Ruby & AWS Lambda, 💖 BFF 💖 I was thrilled to learn that I can finally use Ruby with Lambda, but using Sinatra as an example feels wrong. If you want to build an API with it, you would want to have API Gateway do all the routing and request handling. Adding an extra layer to...

Testing Private Methods

Testing Private Methods A question that has befuddled many developers, including myself for a long time, is: how do I test private methods? Should I test private methods?My opinion is no. I don’t test private methods. At least not directly. I test the behavior of a class...

How to Run Feature Specs Headlessly or Not Headlessly at Will

How to Run Feature Specs Headlessly or Not Headlessly at Will I used to prefer seeing my feature specs run in the browser but lately I’ve been preferring to run them headlessly. It’s a little faster that way and I find it a little less disruptive.Sometimes I still find myself wanting to see a certain test in...

A Weird and Wonderful Trip through Ruby’s Standard Library

A Weird and Wonderful Trip through Ruby’s Standard Library You’ve probably heard the news by now — Bundler is getting merged into Ruby core! It’s great to see that projects like Bundler, which have become so central to the Ruby experience, are becoming part of Ruby in a deep way.It also got me thinking: w...

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