The latest version of the book is P3.0, released over 1 year ago. If you've bought a PDF of the book and would like to upgrade it to this version (for free), visit your home page.
By default this page displays the errata for the latest version of the book. If you have a previous version, select it here:
If you've found a new error, please submit it.
- Reported in: P2.0 (09-Sep-14)
PDF page: 5
This sentence in the intro is awkward: But do avoid fat models.
The sentiment is correct but the wording is not quite right. --Randy Pond
- Reported in: P1.0 (08-Aug-14)
PDF page: 16
In the second phrase, "We feel that a lof of this criticism is misplaced.", "lot" is mistyped.--Guilherme Garnier
- Reported in: P2.0 (10-Sep-14)
PDF page: 35
This two sentences are awkward. "You will" followed by a "we encountered." Plus, it can be taken the wrong way.
"Unfortunately you will find many of those solutions to be lacking in practice. Here are some problems we encountered."
To be less controversial, I would change the "you" to a "we."
Unfortunately we found many of those solutions to be lacking in practice. Here are some problems we encountered--Randy
- Reported in: P2.0 (05-Nov-14)
PDF page: 40
"[...] you should not OBJECT your class to the constraints that the ActiveModel API forces upon you."
Should read "you should not SUBJECT your class...".--Tim Uruski
- Reported in: P2.0 (06-Nov-14)
PDF page: 60
"To show the application BEM with a larger, practical example [...]"
"To show the application of BEM with a larger, practical example [...]"--Tim Uruski
- Reported in: P1.0 (05-Aug-14)
PDF page: 68
Paper page: 64
The first note below "Note some things" states "we choose an explicit modifier article.is_small to ...". The modifier is actually named "is_summary" in the stylesheet above it.--Walter Horstman
- Reported in: P2.0 (16-Sep-14)
PDF page: 81
"you should make it as easy is possible for your colleagues" should be "you should make it as easy AS possible for your colleagues"--Oliver