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A lot of Ruby code is "magic". We'll explain the magic and see how it works using the powerful tools Ruby gives us.
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I recently became a maintainer of the Sequenced gem for Rails, so this lesson we walk through all the different things for maintaining a gem and making sure it works with the latest Rails versions.
Testing out new features or changes in production is something almost every application needs. Flipper is a fantastic tool with a GUI for rolling out these changes easily in your Ruby on Rails app.
C extensions are a powerful tool to connect Ruby code with C libraries that can perform much faster than a pure Ruby counterpart.
Learn how to use Kredis and see it works by implementing a recent searches unique list
How do we test API requests in a Rubygem to make sure that we're integrating correctly with our backend? We'll learn how to use stubs to fake out the request and test our code without any network requests.
The core of any API wrapper is the actions for create, read, update, and delete. We'll implement the CRUD for a resource so you can see how to do it and wire up everything together that we've built so far.
The core of an API wrapper Rubygem is defining the Resource endpoints so developers can make requests cleanly. We'll also learn how to handle pagination for endpoints that return a list of results.
When you receive a JSON response from an API endpoint, it's really easy to convert this to a Ruby hash. But hashes don't feel very Ruby-ish when you're working with them and you can't add methods and treat them like objects.
The first step in building an API wrapper Rubygem is building your HTTP client. We're going to use Faraday as our HTTP client and get it setup with authentication.
ActsAsTenant needed some maintenance so we're going to walk through the steps of refactoring the gem and Rspec test suite
Appraisal lets us test our code against different versions of dependencies. This is fantastic if you're building Rubygems that must work with multiple versions of Rails or other dependencies
Now that the Paperclip gem has been deprecated, it's recommended that you migrate your apps to ActiveStorage
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 handle inbound emails in your Rails application and use them to create comments in your app
Use the Trix editor in your admin area using Administrate's custom fields.
Learn how to use the Trix editor for editing wysiwyg content and upload attachments like images using Javascript and Shrine
Index and search your models by geolocation using Searchkick and Elasticsearch
Learn how Bootsnap speeds up your Ruby and Rails app boot times by preloading the load paths and caching Ruby bytecode
Learn how to use the Facebook API and refresh auth tokens using the Koala gem
Geocode (or geolocate) addresses using the geocoder gem along with the Google Maps APIs and then use it to search your database by location
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