How to build a complete, real-world application from scratch with Ruby on Rails step by step.
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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The Revise Auth gem that I wrote didn't have a consistent redirect mechanism for after sign up or sign in, so this lesson we're going to refactor and write tests to improve this feature.
Rails 7.2 introduces the allow modern browsers feature but the app:update command wasn't creating the necessary files. In this lesson, we'll walk through writing a pull request to fix this in Rails!
In this lesson, we will learn how to not only change into a new context in IRB but then how to get back to the previous context by leveraging our workspaces stack in IRB.
In this lesson, we will look at how to clean up code that iterates over a collection twice to separate the elements out to only doing so once while achieving the same result by leveraging the partition method from Ruby's Enumerable module.
Did you know GitHub Actions supports inputs? You can accept inputs from the user or other actions to be used in your action.
In this lesson, we'll take a look at how a small change to fix some rigid code in the Receipts gem can open up more possibilities.
You might not realize your code has concepts that need to be extracted. Sometimes it's as simple as a small decorator around a Ruby class as we'll see in this lesson.
Last but not least, let's update the Video scaffold UI to be more polished so we can trigger syncs and
In this lesson, we'll create a job to download a video, extract the audio with ffmpeg, transcribe the video with Whisper, and upload the captions to our hosting provider.
Whisper.cpp is an open source C/C++ port of OpenAI Whisper that we can use with Ruby for transcribing our videos. We'll also look at how ActiveStorage runs executables like ffmpeg to see how it works behind the scenes just like with what we're building.
Now that we can sync videos to our local database, we need to run this on a regular schedule. We'll use SolidQueue's recurring tasks feature to create cron jobs that run periodically for syncing.
Next, we need to sync videos using our API client which we'll do with a higher level abstraction to integrate with the API.
Next up, we need to sync videos from our hosting provider's API so we'll build an API client from scratch using net/http in Ruby
To start off our automated transcription series, we'll start by creating our database model for
ActiveRecord Aggregations let you use composed_of to combine columns into a single attribute using a Ruby object.
Generators in Rails are in namespaces which allows us to create local generators that use the same name as others. We can use this technique to enhance the Rails scaffold generator by calling it with `hook_for`
Wrapping up our Web Scraper, we debug an issue in production with SolidQueue and some challenges for you to add more features to the web scraper.
Now that our application is deployed to production, we can use a service like Postmark to send real emails.
The next step is deploying our web scraper to production and setting up our cron jobs. We'll deploy our Rails app to a server using Hatchbox.io and configure cron jobs to run our scraping tasks on an interval.
When a web page is scraped successfully, we need a way to notify the user. For example, when the Raspberry Pi 5 is finally in stock, we want to know right away with an email.
