Take a trip through Joël and Aji’s YouTube recommended list as they go over the media that has inspired their work the most over the course of their careers.

Our hosts highlight different creators that feature regularly in their YouTube rotation, the long standing channels that have had the most impact on them, the video essays that inspire their work, as well as a small detour Into the world of history videos.

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Here’s a handful of Joël and Ali’s personal recommendations:
VSauce - Veritasium - Jet Lag the Game - The Coding Train - Tom Scott - Kings and Generals - Daniel Steiner - Assassin’s Creed: Echoes of History - Jay Foreman / Map Men - Practical Engineering - Hannah Morris - Computerphile

Your hosts for this episode have been thoughtbot’s own Joël Quenneville and Aji Slater.

If you would like to support the show, head over to our GitHub page, or check out our website.

Got a question or comment about the show? Why not write to our hosts: [email protected]

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Our hosts come together to wrap up season 2 and share some of their highlights along the way.

Our trio expand and recap on some key topics covered over the last few months, Sally and Joël provide updates on their work with typescripts and LLMs, and Aji accidentally stumbles into an idea for a new keynote topic.

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Your hosts for this episode have been thoughtbot’s own Joël Quenneville, Sally Hall and Aji Slater.

If you would like to support the show, head over to our GitHub page, or check out our website.

Got a question or comment about the show? Why not write to our hosts: [email protected]

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Aji and Joël get into a flow as they discuss the different diagrams that help guide their thought processes when working.

Together they compare their go to diagrams and why they find them so useful, the different analysis tools a diagram can offer and the alternative perspective on your work it provides, as well as how using diagrams can help communicate your mental models more effectively with your colleagues.

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Be sure to check out these resources on diagrams and conditionals for some wider reading on today’s episode - BeautifulMermaid Repo - Visualising RSepc - Structuring Conditionals

You can also find our hosts speaking at various conferences over the next few months - Haggis Ruby - Blue Ridge Ruby

Your hosts for this episode have been thoughtbot’s own Joël Quenneville and Aji Slater.

If you would like to support the show, head over to our GitHub page, or check out our website.

Got a question or comment about the show? Why not write to our hosts: [email protected]

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Joël and Sally cover all the bases as they look at improving their test suite performances times.

Our hosts lay out some spicy takes on various different test suites, comparing the key differences across the different forms of testing, where you might encounter pitfalls in each method, and how to make the most of each test.

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Interested in exploring different test suites to see if they could improve your projects? Check out these articles on everything our hosts discussed today, as well as Joël’s talk on slow tests.

Avoiding Factory Bot - Why Factories? - Parallelisation in Testing - Joël’s Talk

Your hosts for this episode have been thoughtbot’s own Joël Quenneville and Sally Hall.

If you would like to support the show, head over to our GitHub page, or check out our website.

Got a question or comment about the show? Why not write to our hosts: [email protected]

This has been a thoughtbot podcast.
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Sally and Aji flick through thoughtbot’s guide to best practices in a bid to brush up on their coding habits.

Our hosts discuss key ideas from the guides that stand out to them the most, why they’re considered to be good practice, as well as reviewing the cons of complex writing and the benefits of simple coding.

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Be sure to check out Sally’s new repo Michel if you’re looking to create an appointment database, and check out the thoughtbot guides for more general coding advice.

If you’ve got some spare time and want to hear Aji’s talk on breaking the enigma code you can watch that here.

Your hosts for this episode have been thoughtbot’s own Sally Hall and Aji Slater.

If you would like to support the show, head over to our GitHub page, or check out our website.

Got a question or comment about the show? Why not write to our hosts: [email protected]

This has been a thoughtbot podcast.
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Joël and Sally examine the simpler components of programming and why using basic data structures may not always be the best approach to solving a problem.

Our hosts cover all the telltale signs and symptoms of primitive obsession, what it is, it’s drawbacks and limitations, and how to avoid it creeping into your own work.

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Want to learn more about primitive obsession and readability in programming? Check out these links for some wider reading, including a talk from Joël! - Design Patterns and Null - thoughtbot blog on primitive obsession - Define User

Your hosts for this episode have been thoughtbot’s own Joël Quenneville and Sally Hall.

If you would like to support the show, head over to our GitHub page, or check out our website.

Got a question or comment about the show? Why not write to our hosts: [email protected]

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Joël talks with guest thoughtbotter Steve Polito about his recent work rewriting Suspenders, an old thoughtbot gem from the 2000s.

Steve discusses his role on the rewrite and the steps he took in optimising it for modern rails, Joël dives into some of the new features found in the gem, before discussing with Steve the use cases for Suspenders and why you might choose it over other rails starter apps.

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Want to learn more about our gem Suspenders? Check out some of these links to get yourself up to speed and try it for yourself.

Suspenders Gem - Suspenders Feature List - thoughtbot’s guide for programming

Your hosts for this episode have been thoughtbot’s own Joël Quenneville and Steve Polito.

If you would like to support the show, head over to our GitHub page, or check out our website.

Got a question or comment about the show? Why not write to our hosts: [email protected]

This has been a thoughtbot podcast.
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Sally and Aji assess some common metrics for success when working a project and how they may not always provide the clearest picture of how things are going.

Together they discuss how to communicate effectively with stakeholders who are less technical to fully appreciate certain decisions and choices being made on a project, as well as the different metrics you can use to better reflect success and setbacks on a project.

—

Your hosts for this episode have been thoughtbot’s own Sally Hall and Aji Slater.

If you would like to support the show, head over to our GitHub page, or check out our website.

Got a question or comment about the show? Why not write to our hosts: [email protected]

This has been a thoughtbot podcast.
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Joël and Aji reference their personal bibliographies as they compare the different influences that have shaped their programmer world view.

Our hosts discuss their most influential programming material, from books, talks and video, and how it’s impacted the way they write code, Joël hones in on the importance of confidence and dealing with uncertainty of objects in a project, while Aji dips into his knowledge of RailConf talks to find his biggest inspiration.

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Take a leaf out of our hosts book and discover some of the material that influenced them and their work for yourself - POODR - Confident Ruby - RailsConf 2014 Talk - Take Smart Notes - Working Effectively with Legacy Code

Your hosts for this episode have been thoughtbot’s own Joël Quenneville and Aji Slater.

If you would like to support the show, head over to our GitHub page, or check out our website.

Got a question or comment about the show? Why not write to our hosts: [email protected]

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Our hosts discuss the pros of AI and where they find the tool genuinely useful, it’s limitations, downsides and where it’s causing harm, the differences between bad AI code and human code, before asking the question of where this AI boom could be leading us.

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To get more of an insight into today’s episode consider watching Sandi Metz's RubyConf talk to learn more about red-lighting, or read the article Aji mentioned about running out of ideas.

Thanks to our sponsor for this episode Scout Monitoring.

Your hosts for this episode have been thoughtbot’s own Sally Hall and Aji Slater.

If you would like to support the show, head over to our GitHub page, or check out our website.

Got a question or comment about the show? Why not write to our hosts: [email protected]

This has been a thoughtbot podcast.
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Joël and Sally tidy up the place as they discuss the different ways a new codebase and team can feel welcoming to them.

Together they break down the things that help them ingrate into a new project more easily, explain why the lore of a project can be sacred to some, what you can do in the present to make things easier for a developer down the road, and why communication is crucial for keeping everyone on the same page even long after you’ve moved on.

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Check out these resources for a deeper dive into some of the topics mentioned in this week’s episode - Fixtures - Hierarchy of Documentation - Domain Modelling 1 - Domain Modelling 2

Thanks to our sponsor for this episode Scout Monitoring.

Your hosts for this episode have been thoughtbot’s own Joël Quenneville and Sally Hall.

If you would like to support the show, head over to our GitHub page, or check out our website.

Got a question or comment about the show? Why not write to our hosts: [email protected]

This has been a thoughtbot podcast.
Stay up to date by following us on social media - YouTube - LinkedIn - Mastodon - BlueSky

© 2026 thoughtbot, inc.

Support The Bike Shed