We try to keep our books accurate, but sometimes mistakes creep in. This page lists the errors submitted by our astute readers. If you've found a new error, please submit it.

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Key: Typo Tech. Error Suggestion Not a problem Next edition

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PDF Paper Description Found in Fixed in
1

#78410: From Kado:
ch09 The Validations Modules
Both ActiveModel::Validation and ActiveRecord::Validation misses validation[s].--Paolo Perrotta

P2.0
06-May-15
1

#78423: On Stack Overflow: questions/29980160/metaprogramming-ruby-2-example-from-the-book-isnt-working-when-i-try-it-troubl--Paolo Perrotta

P2.0
08-May-15
1

#78287: "+ Here's how you create a <class>Money</class> object from a number:"

It has still "Money" string.--Paolo (from Kado)

P2.0
07-Apr-15
1
#78288: Ch04 about Padrino: "written with the RSpec test gem" It is not RSpec but minitest. ref. github.com/padrino/padrino-framework/blob/0.11.3...more...
P2.0
07-Apr-15