Search Results for "what-are-your-goals-for-2017"

Lessons

Testing External APIs with VCR

Oct 29, 2019 Pro

Testing integrations with external APIs in your Rails app can be hard. You don't know what requests are being made (or even the responses), so how can you properly mock them out? VCR to the rescue.

11m

Flash Messages and Toasts with Hotwire & Turbo.js

Mar 15, 2021 Pro

Hotwire & Turbo.js are designed to make realtime updates to your page. So how do you notify the user with flash messages or toasts? That's what we're covering in this episode.

11m

Edit & Update Blog Post Actions

Apr 03, 2023

Implementing Edit and Update actions are straightforward now. We can reuse what we've learned with New and Create and reuse some of the logic to edit and update database records in Rails.

15m

Turbo Confirm Modals with Confirmation Text in Rails

Turbo confirm modals typically ask a simple yes or no confirmation. What if you want to force the user to type in confirmation text to ensure they are paying attention? That's exactly what we'll build in this episode!

11m

Advanced Flash Messages with Buttons & Actions in Rails

Sep 28, 2020 Pro

Flash messages are typically a simple string saying something succeeded or failed. What if we wanted to add buttons like you see in most applications? It's easier than you might think!

Webpack Bundle Analyzer

Jul 06, 2020 Pro

Webpack bundles can be confusing as to what actually ships in production. Using the bundle analyzer plugin, we can visualize and see exactly what libraries and files are taking up what space.

20m

Parsing Ruby with Prism

Nov 03, 2025 Pro

How does Ruby run your Ruby code? In this episode we will start to dip our toes into understanding what happens along the way on your codes journey to being run.

Thread Safety with Mutexes in Ruby

Jul 21, 2025 Pro

Thread safety can be tricky, so let's explore what can happen if our code isn't thread safe before diving into a real-world example where a mutex plays an important role in keeping a gem thread safe.

14m

Scrolling To Unread Messages

May 19, 2025 Pro

Showing users that they have unread messages is nice but it would be nicer if we scrolled them to the start of those unread messages when they visit a conversation which is what we will implement in this lesson.

What is 'it' in Ruby 3.4

Dec 30, 2024

Ruby 3.4 added 'it' to reference a block parameter with no variable name. Let's check it out!

26m

Adding Sales to the black_friday gem

Dec 02, 2024 Pro

Calculating dates is helpful, but what if we took the black_friday gem a step further by adding sales?

15m

Separate JavaScript Importmaps For Rails Engines

Nov 12, 2024 Pro

Rails engines often need a way of providing JavaScript for their views. We can do this using Importmaps regardless of what the application is using for assets.

How to use Method Arguments with Before Actions in Rails

Aug 26, 2024 Pro

Before actions typically just call a method without arguments, but what if we need something more? Watch this lesson to find out!

12m

Tracing Rails Console Command With Ruby IRB/Debug

Jul 15, 2024 Pro

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.

Install and Running Whisper.cpp from Ruby

Apr 03, 2024 Pro

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.

17m

What's New In Ruby 3.3

Dec 25, 2023

Ruby 3.3.0 was released today and this lesson we're diving into the goodies included in the new version.

HTML Learning Path - Anchor Elements

Nov 02, 2023

In this lesson, we will look at a key element in what make the web, the web. Hyperlinks.

HTML Learning Path - What is HTML and Why Learn It

Nov 02, 2023

In this lesson, we will learn what HTML is and why we need to know about it.

14m

Unused Rails Routes Command

Sep 25, 2023 Pro

In this lesson, we will look at a new option coming to the rails routes command in Rails 7.1 which will display a list of any routes deemed as unused in your Rails application. Let's see what qualifies a route as unused and learn some other handy tips!