The Ray Tracer Challenge: "discuss" link is broken, possibly also "report erratum" (All pages)

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The Ray Tracer Challenge: various errata

The following is cross-posted from the original Ray Tracer Challenge forum, from a post by garfieldnate. I’m cross-posting it so that the...

#errata /book-the-ray-tracer-challenge

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2021-05-25 09:44:21 UTC

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Web Development with Clojure, Third Edition: (create-migration "guestbook") not working (page 9)

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#errata /book-web-development-with-clojure-third-edition

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2023-07-27 14:17:36 UTC

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Intuitive Python: docker run… denied error (page 2)

Title: Intuitive Python: docker run… denied error (page 2) Attempted to run the docker command in both CLI and Powershell PS C:\Users\r...

#errata /book-intuitive-python

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2021-04-06 16:33:24 UTC

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Domain Modeling Made Functional: Missing diagram on page 18

The book has the same “Problem space/Solution space” diagram on page 18 as is on page 17. The correct Problem/Solution space diagrams ar...

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1 1068 1

2021-09-11 17:34:22 UTC

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Python Testing with pytest, Second Edition: cards pip install error (page 12)

#book-python-testing-with-pytest-second-edition Hi. Thanks for writing the book. I am just learning so this might just of been an issue ...

#errata /book-python-testing-with-pytest-second-edition

4 1177 3

2021-07-03 13:40:39 UTC

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Build a Weather Station with Elixir and Nerves: 'mix deps.get' does not work if user has not created a keyfile (page 16)

Running mix deps.get in the sensor_hub directory fails with the following error: ** (Mix) No SSH public keys found in ~/.ssh. An ssh aut...

#errata /book-build-a-weather-station-with-elixir-and-nerves

2 1437 3

2024-12-18 18:02:25 UTC

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Real-Time Phoenix: ProductChannelTest - undefined function describe/2 (pg 203)

Hi, I am getting an error I cannot figure out on my test. I have what I think is the exact code from the book, other than I changed “us...

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2022-02-16 19:15:15 UTC

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Modern Front-End Development for Rails - application does not start after run bin/setup (page xviii)

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#errata /book-modern-front-end-development-for-rails

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2022-06-03 09:50:10 UTC

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Agile Web Development with Rails 7: (page 70)

Title: Agile Web Development with Rails 7: (page 70) I am running windows 11 pro with rails 7.0.3 and ruby 3.1.2p20 (2022-04-12 revision...

#question /book-agile-web-development-with-rails-7

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2022-06-08 13:17:16 UTC

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Modern front-end development for Rails, second edition - Struggling to get the first chapter to work

After running /bin/setup, the first error was: The foreman' command exists in these Ruby versions: That was easy to fix: gem install fore...

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1 1108 3

2023-06-22 14:09:32 UTC

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2020-06-21 10:50:02 UTC

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The Ray Tracer Challenge: "discuss" link is broken, possibly also "report erratum" (All pages)

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The Ray Tracer Challenge: "discuss" link is broken, possibly also "report erratum" (All pages)

First Post!

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The Ray Tracer Challenge: various errata

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The Ray Tracer Challenge: "discuss" link is broken, possibly also "report erratum" (All pages)

64kramsystem

The Ray Tracer Challenge: "discuss" link is broken, possibly also "report erratum" (All pages)

First Post!

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Popular Prag Prog topics

The Ray Tracer Challenge: various errata

Web Development with Clojure, Third Edition: (create-migration "guestbook") not working (page 9)

Intuitive Python: docker run… denied error (page 2)

Domain Modeling Made Functional: Missing diagram on page 18

Python Testing with pytest, Second Edition: cards pip install error (page 12)

Build a Weather Station with Elixir and Nerves: 'mix deps.get' does not work if user has not created a keyfile (page 16)

Real-Time Phoenix: ProductChannelTest - undefined function describe/2 (pg 203)

Modern Front-End Development for Rails - application does not start after run bin/setup (page xviii)

Agile Web Development with Rails 7: (page 70)

Modern front-end development for Rails, second edition - Struggling to get the first chapter to work

Other popular topics

HELLO WORLD (Introductions thread!)

What is the reason behind Rust’s web framework, Rocket, not performing as well as expected in the Techempower benchmarks?

What monitor(s) do you have for programming?

Bit – A modernized Git CLI written in Go

How fast do you type? Check your WPM here!

PragProg’s Medium Posts

David Sinclair's new Lifespan podcast

The overengineered Solution to my Pigeon Problem

Spotlight: Erin Dees (Author) Interview and AMA!

Spotlight: Bruce Tate (Author) Interview and AMA!

Latest in PragProg

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We ❤️ helpful members!

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