Programming Ruby 3.2 (5th Edition) (Pragmatic Bookshelf)

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sinaru
There is an example of using Threads on page 188: require "net/http" pages = %w[www.rubycentral.org www.pragprog.com www.google.com] t...
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ch70
@noelrappin On page 376 in the second paragraph (the one below the image): wrong: … then looks in its singleton class class for … cor...
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ch70
@noelrappin On page 376, first paragraph: wrong: … , that’s the first place Ruby looks for object lookup. correct: … , that’s the fi...
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ch70
@noelrappin On page 375 second to last paragraph: wrong: When you define a singleton class, Ruby creates … correct: When you define ...
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jconley88
From Chapter 5: Splat! Expanding Collections in Method Calls We’ve seen that if you prefix the name of a method argument with an asteri...
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jygh
@noelrappin In the Where Ruby Finds Its Libraries section on page 244 there’s a discussion about the standard directories used for libra...
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jygh
Title: Name of book: Programming Ruby 3.3 (page 227) @noelrappin On page 227 there’s a section entitled RSpec and Mocks. Immediately f...
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stmpjmpr
@noelrappin On page 122, in the discussion of “Strings and Encodings”, it is stated: “A Unicode character is two bytes long, which makes...
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PragmaticBookshelf
A Ruby-Centric Chat with Noel Rappin @noelrappin Once you start noodling around with Ruby you quickly figure out, as Noel Rappi...
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LorinRicker
Title: Programming Ruby 3.2 (5th edition), p 23 (in Beta 6) – After showing declaration of hashed “instrument_section” values, the sampl...
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ivansvlv
In this class get_tax method return string is missing interpolation for the @name instance variable. class TaxCalculator def initializ...
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felipem
@noelrappin I think this thing &: would be a great addition to the list of notation and typography that is called by a name that is ...
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felipem
@noelrappin The functionality as described (Convert the argument to the stated type.) for methods like Integer() is very incomplete. It ...
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ThomasNathan
Programming Ruby 3.2 (5th Edition): typo (page 491) Currently: So now when Scheudler[RedisJob] is declared, RBS ensures that RedisJob i...
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ThomasNathan
Programming Ruby 3.2 (5th Edition): Typo (page 475) Should be “and” not “an” Current: "You can also alias inside a module or class wit...
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onyx-and-iris
Please note that Ruby’s === is different that JavaScript’s. Should read: Please note that Ruby’s === is different than JavaScript’s. o...
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BernardK
It’s a pity there are so few reviewers. It there are remaining typos (sure there are), I’ll feel guilty :scream:. The good news is that ...
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BernardK
@noelrappin page 625, last bullet, first line : parameter → argument (or arguments ?) The third line uses arguments, so I suppose you a...
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BernardK
@noelrappin page 615, second paragraph, third line : modjule instead of module classes or modules that match (or are a subclass of) mod...
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BernardK
@noelrappin page 614, in Query, paragraph 4 : a → an There are several slightly different mechanisms for a boolean test of whether a ob...
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BernardK
@noelrappin page 612, two periods on the last line : by subclasses to provide matching behavior in case statements. . ...
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BernardK
@noelrappin page 611, second paragraph after the output of ripper_1.rb, As a example should be As an example.
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BernardK
@noelrappin page 610, in Event Hooks Module#method_removed and Module#method_undefined both use the same with the name of the new met...
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BernardK
@noelrappin page 608, in Modifying Modules, paragraph 4, line 7 : r instead of or receiving module r one of its ancestor modules, and M...
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BernardK
@noelrappin page 606, first paragraph, last line so inherits all the functionality describe here. I think it should be described.
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BernardK
@noelrappin page 605, paragraph after compose_methods.rb code, first line : twice of The number of arguments that a method takes is cal...
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BernardK
@noelrappin page 603, second to last paragraph, first line : program_name instead of progname You add new entries to the log with Logge...
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BernardK
@noelrappin page 602, second paragraph, second line : comma instead of period environment variables in the subshell. The keys must be s...
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BernardK
@noelrappin page 601, in Executing System Commands, second paragraph, lines 2-3, Kernel#\ instead of Kernel#` + $?‘ instead of $? 145 i...
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BernardK
@noelrappin page 600, last paragraph, first line : superfluous that ? Kernel#__dir__ returns the path of the directory of the file that...
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PragmaticBookshelf
Programming Ruby is the most complete book on Ruby, covering both the language itself and the standard library as well as commonly used t...
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sinaru
There is an example of using Threads on page 188: require "net/http" pages = %w[www.rubycentral.org www.pragprog.com www.google.com] t...
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Most Active Last Three Years Top

PragmaticBookshelf
A Ruby-Centric Chat with Noel Rappin @noelrappin Once you start noodling around with Ruby you quickly figure out, as Noel Rappi...
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jez
“Alternately you can list one or more specific paths (.rb or .rbi files after the tc) to limit checking,” It might be worth mentioning t...
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s2k
Hi @noelrappin, first of all: It’s SO good to read an updated version of this book! Thanks for all the effort! :pray: The text says: ...
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LorinRicker
@noelrappin Programming Ruby 3.2 (5th Edition) (PragProg), Beta release, p 295, under the subheading “Querying the System”, 2nd paragrap...
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BernardK
@noelrappin +++++ page 49 Reopening Classes While ... the most unique features of Ruby’s class structure: The ability to ... ...
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rearick
@noelrappin On page 68 of the PDF in the paragraph preceding the fib_up_to method definition, the word “we” is duplicated. The text read...
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BernardK
@noelrappin page 269, running rspec These tests pass (after you update the .gemspec file): $ rspec spec/aaagmnr/options_spec.rb It ...
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BernardK
@noelrappin page 274, in Packaging Your RubyGem, paragraph 2, command $ gem build Missing README.md in code/gems/aaagmnr : % gem build...
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sthuysen
“One thing you might find unusual is that in the second clause Ruby uses the keyword eslif—one word, missing an “e”—to indicate “else if”...
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rearick
@noelrappin On page xii of the Preface, the paragraph beginning with, “Here, you can see…,” has an error in the last sentence. Following...
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BernardK
@noelrappin I’m not Anglophone, so I’m not sure. Third paragraph from end of page 21, second line : Idiomatic Ruby tends to lean in to ...
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wiwhi
@noelrappin “The order of the keys in the hash is stable and will alway match the order in which the keys were added to the hash.” shou...
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felipem
@noelrappin I think this thing &: would be a great addition to the list of notation and typography that is called by a name that is ...
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rearick
@noelrappin On page 89 of the PDF in the last sentence of the last paragraph of the page and just before the example that begins “class C...
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Oli0li
First of all, thank you so much @noelrappin for writing this book, I am just starting with Ruby and this book is very helpful. I just wa...
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Most Active Over Three Years Top

BernardK
@noelrappin page 335, second to last line : colon instead of period at end of sentence : call, either of those can be arguments to run:...
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rearick
@noelrappin in the first sentence of the second paragraph of page 14 the text includes a “for” that shouldn’t be there: “The official Ru...
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BernardK
@noelrappin Many places have require “name”, other require name. If you want to have the same style everywhere, the following pages are ...
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BernardK
@noelrappin page 339, third paragraph from bottom, line 3 : twice the pulling in both Sinatra itself, and the the Thin web server, when...
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BernardK
@noelrappin Already in the previous edition ! page 373, third paragraph, first line : built in to or built into ? But when you metapr...
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BernardK
@noelrappin Page 187, last paragraph, line 7 : (again, with the exception of the Ractor library). Ruby installations that do want to t...
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BernardK
@noelrappin page 513, third paragraph, second line : might not have a later if that might cause performance issues later—a short script...
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BernardK
@noelrappin page 472, paragraph after Safe Navigation, line 2 : twice is method is is not called and the entire expression returns nil....
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BernardK
@noelrappin page 525, last example : … and "IBM".tr("B-Z", "A-Y") => "HAL" … for those who have seen the film 2001: A Space Odyssey...
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BernardK
@noelrappin page 625, last bullet, first line : parameter → argument (or arguments ?) The third line uses arguments, so I suppose you a...
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BernardK
@noelrappin page 565, third paragraph : strange sentence None of these methods are dependent on the file name being managed actually e...
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rearick
@noelrappin In the third sentence of the first full paragraph on page 19, the word “response” is used when “responds” should be used ins...
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LorinRicker
@noelrappin p. 356, example method in section “Ruby Style in the Large”, the definition for the first example of method “send_promotion_...
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wiwhi
@noelrappin Duplicate word: “We don’t need to declare the symbols or assign assign them a value…”
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