small medium large xlarge

Errata for Seven Web Frameworks in Seven Weeks


The latest version of the book is P1.0, 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.

  • Typo
  • Tech. error
  • Suggestion
  • Maybe next edition
  • Not a problem
  • Reported in: P1.0 (26-Jul-14)
Paper page: 8
Hash#slice method includes nil values - trying to implement the ordering by creation_date I've noticed that the update would actually delete propertie...more...
  • Reported in: P1.0 (08-Jul-14)
PDF page: 16
Paper page: 2

We’ll starting building our example application ...

should read

We’ll start building our example application ...--Nathan Egge

  • Reported in: P1.0 (15-Feb-14)
Paper page: 20
In the bookmark_list.slim template, bookmark links read: a<> href="bookmark.url" Because of the double quotes, the variable is not interpolated and ...more...
  • Reported in: P1.0 (06-Aug-14)
Paper page: 46

The URI to open the example is /example/base - as the sinatra app adds the /example part to it.--Béla

  • Reported in: P1.0 (24-Feb-14)
Paper page: 57
Formatting issue. In the "Do" list of the "Day 2 Self-Study" section, the third bullet is in the middle of a sentence and shouldn't be there.--Alex...more...
  • Reported in: P1.0 (27-Jan-14)
PDF page: 131

It's spelled "hierarchy", not "heirarchy".--Michiel de Mare

  • Reported in: P1.0 (27-Jul-14)
PDF page: 140

Program listing: should (def app (-> app-routes ...)) not be (def app (-> all-routes ...)) to combine API- and app- routes?--R. Gabriel Esteves

  • Reported in: P1.0 (22-May-14)
PDF page: 272
Currently, using inline `REFERENCES` for foreign key definitions is a `bug` (they have it classified as a feature request) in MySQL. I'm running m...more...