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Learn how to test Active Jo...
Setup your development environment.
Configure your production server.
Learn how to modify production to run websockets.
Index and search your models by geolocation using Searchkick and Elasticsearch
In this episode, we add tests for our Basecamp 3 style urls that we built using a Rack middleware
Add advanced counter caching for soft deletable models, scopes, and has_many relationships
A/B testing (or split testing) is a really common way of testing changes in your app to determine which works best for your users.
Learn how to implement a Slack Slash Command App in Rails using webhooks
One of the coolest new features of Rails 6 is the introduction of Actionable Errors. These are errors you can provide actions on so when Rails complains you haven't run migrations you can now simply click a button to run them instead.
Implementing polymorphic, reusable comments across models and limiting the nesting allowed for nested comment threads
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