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The latest version of the book is B4.0, released 2 months ago. If you've bought a PDF of the book and would like to update it to this version (for free), visit your home page.

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  • Typo
  • Tech. error
  • Suggestion
  • Maybe next edition
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  • Reported in: B4.0 (09-Apr-20)
#86549
Paper page: 9
It doesn't actually say it anywhere there, but in order to get yarn running, you'd need to install node.js and npm install yarn. Otherwise you get ...more...
  • Reported in: B4.0 (11-Apr-20)
#86556
PDF page: 14
Paper page: xii
The setup process probably requires some work. Running ruby bin/setup for introduction / 01 stops with multiple problems. There are simple things li...more...
  • Reported in: B4.0 (16-Apr-20)
#86602
PDF page: 44

In the package.json section you reference a library called “actionstorage”. I believe you meant *active*storage. --Julian Pinzon Eslava

  • Reported in: B4.0 (23-May-20)
#86753
PDF page: 72
On page 72, near the bottom, we are told to include <%= stylesheet_pack_tag("application") %> in layouts/application.html.erb. It stands to reason tha...more...
  • Reported in: B4.0 (17-Apr-20)
#86606
PDF page: 162

It should be @status not status. I couldn't update the seats without changing that--André Furquim Xotta

  • Reported in: B3.0 (22-Mar-20)
#86465
PDF page: 197
Paper page: 189
The code snippets moving forward are probably from the wrong chapter, that is, /server rather than /state. The text says things like "It’s just cal...more...