Ruby On Rails

Tutorials

Instrumenting Ruby Methods

Instrumenting Ruby Methods Instrumentation is the addition of measurement to code - for example timing how long Ruby is spending in a given method. There are many approaches to adding instrumentation to code in Ruby - whether it’s using 3rd party services like New Relic and...

Active Record Database Documentation

Active Record Database Documentation Documentation Folders CC image from Pixabay Active Record Database Documentation This post will cover how to use the Active Record feature to add comments to your tables, columns, and indexes. This feature makes it easy to keep your database docum...

Replacing RSpec controller tests, part 3: Removing business logic from controllers | Everyday Rails

Replacing RSpec controller tests, part 3: Removing business logic from controllers | Everyday Rails After the Rails core team announced major changes to controller-level testing upon the release of Rails 5.0, I wrote a couple of pieces in Everyday Rails about how to shift testing responsibility up, to either request specs, or browser-based featu...

Zero downtime rebranding

Zero downtime rebranding Learn how to migrate your Heroku-hosted application from one domain name to another. See how to rewire an existing Rails project and make it work with multiple domains on the same Heroku instance. SSL caveats are covered.

Talking to ActionCable without Rails

Talking to ActionCable without Rails ActionCable was introduced in Rails for its 5.0 release as a way to seamlessly integrate WebSockets in Rails applications. I was curious to know more about it, and the opportunity presented itself while doing a React frontend to a Rails API. How c...

Safely migrating has_and_belongs_to_many associations to Rails 4

Safely migrating has_and_belongs_to_many associations to Rails 4 During recent days I've been migrating a senior Rails application from Rails 3 to Rails 5. As part of the process, I was dealing with has_and_belongs_to_many.

How to receive and respond to text messages in Ruby with Hanami and Twilio

How to receive and respond to text messages in Ruby with Hanami and Twilio If you’re building web applications with Ruby then you’re probably using Rails. Hanami is a young competitor focused on providing a full featured, modern web framework for Ruby developers that is fast, secure and flexible.Hanami is a new web appli...

Using ActiveStorage Today (prior to Rails 5.2 release)

Using ActiveStorage Today (prior to Rails 5.2 release) DHH announced earlier in the year that Rails 5.2 will have a brand new component called ActiveStorage. ActiveStorage will manage user uploads such as photos directly by Rails.Since then, a lot of progress has been made to integrate ActiveStorage t...

Clean Architecture in Ruby v2

Clean Architecture in Ruby v2 About a year have passed since I’ve been daily using the approach described on my previous post about Clean Architecture in Ruby. Every time we iterate through it new ideas arise, so here comes a.

How to Filter Data by Map Shape

How to Filter Data by Map Shape Filter data by map shape using PostgreSQL and Elasticsearch to search for locations by administrative areas, tube zones, postal districts or travel.

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