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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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.
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.
Last but not least, let's update the Video scaffold UI to be more polished so we can trigger syncs and
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.
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.
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 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.
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.
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!
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.
In this lesson, we will learn about the configuration of the new Rails console prompt, how the feature was built, and how we can apply our new knowledge to customize our own IRB console prompts.
In this lesson, we will learn how to leverage built in IRB and Debug commands from Ruby to trace what happens when you run rails console from start to finish.
Customizing Devise feels daunting, but it's surprisingly easy. In this lesson, we'll customize Devise to track referrals using the Refer gem.
Ruby's __FILE__ and __dir__ work slightly differently with symlinks that you might not realize. Let's check see how it works.
In this lesson, we'll start to build a catalog of time-saving coding commands to use in IRB. Today's methods will help us view available methods in the current context and easily access their source code, all from the command line.
Before actions typically just call a method without arguments, but what if we need something more? Watch this lesson to find out!
Rails 7.2 introduces the enqueue_after_transaction_commit config but this wouldn't take effect when upgrading Rails apps, so we fixed it by changing the load order.
If you've ever had Rails fail to decrypt credentials, it might be because of a rogue newline. We ran into this and decided to submit a PR to fix this in Rails.
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