Ruby On Rails

Tutorials

Improve your Ruby application's memory usage and performance with jemalloc

Improve your Ruby application's memory usage and performance with jemalloc Ruby applications usually have a fairly large memory footprint, which can increase steadily, even if the garbage collector comes into action. Your application may consume 150MB of memory at initial launch, but will likely rise quickly beyond 300MB.

Resilience in Ruby: Handling Failure

Resilience in Ruby: Handling Failure For the second half of 2014 and 2015, most of my time at GitHub was spent working on moving the notifications feature off the primary MySQL cluster on to a new MySQL cluster and making the feature resilient to failure of that cluster.

Service Objects in Ruby on Rails…

Service Objects in Ruby on Rails… This tutorial is an excerpt for the service object chapter in my upcoming book Building a SaaS Ruby on Rails 5. The book will guide you from humble beginnings through deploying an app to production. If you find this type of content valuable, the b...

How To Deploy a Rails App with Unicorn and Nginx on Ubuntu 14.04

How To Deploy a Rails App with Unicorn and Nginx on Ubuntu 14.04 When you are ready to deploy your Ruby on Rails application, there are many valid setups to consider. This tutorial will help you deploy the production environment of your Ruby on Rails application, with PostgreSQL as the database, using Unicorn a...

Deploy Ruby On Rails on Ubuntu 16.04 Xenial Xerus

Deploy Ruby On Rails on Ubuntu 16.04 Xenial Xerus Since we setup Ubuntu for our development environment, we also want to use it in production. This keeps your application running consistently between development and production. We're using an LTS version of Ubuntu in production because it is supp...

Drag and Drop with Interact.js

Drag and Drop with Interact.js Using Interact.js to create draggable and droppable items in our view, we can use AJAX callbacks on events to interact with our Ruby on Rails application.

Using Webpack in Rails with the Webpacker Gem

Using Webpack in Rails with the Webpacker Gem Let's take a look at using the Webpacker gem in Rails to implement an additional pipeline for building modern frontend Javascript alongside our Rails application.

Webpack 2 and Middleman 4

Webpack 2 and Middleman 4 As of version 4, Middleman now supports a variety of front-end/JS tooling via the External Pipeline, outlined here. Previously Middleman only built assets via Rails’ venerable Asset Pipeline aka Sprockets. There is a lot that could be said about S...

Action Cable ‘Hello World’ with Rails 5.1 – Ruby Inside

Action Cable ‘Hello World’ with Rails 5.1 – Ruby Inside Most people have seen examples of Action Cable chat applications. I find them too big for a quick introduction to the idea of Action Cable. For my new “Learn Rails 5.1” book I created a smaller, easier to replicate and to understand example where ...

Following the Path

Following the Path Where is the user.rb file located? Perhaps in the current directory? That’s a trick question. There isn’t enough information to determine that from that single line.The answer is more complex, flexible, and involves some UNIX history.

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