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Errata for From Java To Ruby

 

The latest version of the book is P1.0, released over 9 years 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.

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  • Typo
  • Tech. error
  • Suggestion
  • Maybe next edition
  • Not a problem
  • Reported in: P1.0 (02-Jul-06)
#25379
PDF page: all
The "Report erratum" link is wrong! http://books.pragprog.com/title/fr_j2r/errata/add?pdf_page=16 should be http://books.pragprog.com/titles/...more...
  • Reported in: P1.0 (01-May-07)
#28882
PDF page: 15

Figure 1.1 has a timeline that goes from
1950
1960
1970
1980
1900 -- should be 1990
2000--Jason Vinson

  • Reported in: P1.0 (02-Jul-06)
#25378
PDF page: 16
In the 3rd paragraph of the "The Hierarchy of Pain" section: "too many vendors te...more...
  • Reported in: P1.0 (22-Mar-07)
#27903
PDF page: 17
"The inventor of SPC, Edward Walter Demming ..." is certainly incorrect. See the reference in Wikipedia for "William Edwards Deming". I originally inc...more...
  • Reported in: P1.0 (26-Sep-06)
#25990
PDF page: 20
The third bullet near the bottom of the page contains the sentence "Similar Java programs have to deal with objects, but also characters, numbers, Boo...more...
  • Reported in: P1.0 (17-Jul-06)
#25463
Paper page: 50
"But learning an integrated development language, such as Eclipse..." In this context, it seems "development tool" would be more appropriate than "dev...more...
  • Reported in: P1.0 (26-Aug-06)
#25787
PDF page: 57
Second sentence under 3.6 Looking Ahead reads "Many Java visionaries are leaving the Java community to gear up for Java development" Shouldn't it read...more...
  • Reported in: P1.0 (17-Jul-06)
#25464
Paper page: 58
"Many Java visionaries are leaving the Java community to gear up for Java development." I suspect the last two words were supposed to be "Ruby develo...more...
  • Reported in: P1.0 (17-Jul-06)
#25465
Paper page: 73
The heading for section 4.5 is "Scenario 4: Bet-your-Business: Basecamp" but the text for section 4.5 does not explain what Basecamp is, nor does it e...more...
  • Reported in: P1.0 (07-Jul-06)
#25407
PDF page: 85

Velocity has nothing to do with database wrappers - it is a view technology.--Michiel de Mare

  • Reported in: P1.0 (17-Jul-06)
#25466
Paper page: 97
"If you're building a user interface in Ruby that merely submits simple forms and accessing a Java back end..." should use "accesses" instead of "acce...more...
  • Reported in: P1.0 (17-Jul-06)
#25467
Paper page: 108
The heading for section 6.3 is "Ruby to Java Bridges" but the first sentence on the section contains the phrase "Java to Ruby bridge solutions." Whic...more...
  • Reported in: P1.0 (26-Sep-06)
#25989
PDF page: 110
The sentence of the second bullet point just below the middle of the page ("Use Java frameworks from within the Ruby langauge.") ends with "langauge",...more...
  • Reported in: P1.0 (17-Jul-06)
#25468
Paper page: 112

"We have working prototypes of servlets for running run Ruby we applications..." the word "run" is not needed.--Gregg Sporar

  • Reported in: P1.0 (17-Jul-06)
#25469
Paper page: 113
"As we saw in the interview, JRuby is a Ruby virtual machine, written in Ruby..." But in the answer to the first question, Charles Nutter stated that...more...
  • Reported in: P1.0 (17-Jul-06)
#25470
Paper page: 115
"Keep in mind that today, JRuby is under heavy development, and would be an agressive move..." The word "it" should be inserted in front of "would"--G...more...
  • Reported in: P1.0 (17-Jul-06)
#25471
Paper page: 120
"This flow represents the way the Web has worked for decades." Using the word "decades" suggests 20 years or more. HTTP has only been around since 1...more...
  • Reported in: P1.0 (17-Jul-06)
#25472
Paper page: 133
"For example, the people database holds person objects." Since this is in the context of naming tables, shouldn't the sentence be: "For example, the ...more...
  • Reported in: P1.0 (17-Jul-06)
#25473
Paper page: 133
"In Active Record, a row named person_id would point to a row in the people database." It seems like the sentence should be: "In Active Record, a col...more...
  • Reported in: P1.0 (17-Jul-06)
#25474
Paper page: 143

"... powered by the success of it's flagship framework, Ruby on Rails." The "it's" should be "its"--Gregg Sporar