Programming Ruby 3.2 (5th Edition) (Pragmatic Bookshelf)
Hot This:
Latest Threads About This Book
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...
New
@noelrappin
On page 376 in the second paragraph (the one below the image):
wrong:
… then looks in its singleton class class for …
cor...
New
@noelrappin
On page 376, first paragraph:
wrong:
… , that’s the first place Ruby looks for object lookup.
correct:
… , that’s the fi...
New
@noelrappin
On page 375 second to last paragraph:
wrong:
When you define a singleton class, Ruby creates …
correct:
When you define ...
New
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...
New
@noelrappin
In the Where Ruby Finds Its Libraries section on page 244 there’s a discussion about the standard directories used for libra...
New
Title: Name of book: Programming Ruby 3.3 (page 227)
@noelrappin
On page 227 there’s a section entitled RSpec and Mocks.
Immediately f...
New
@noelrappin
On page 122, in the discussion of “Strings and Encodings”, it is stated: “A Unicode character is two bytes long, which makes...
New
A Ruby-Centric Chat with Noel Rappin @noelrappin
Once you start noodling around with Ruby you quickly figure out, as Noel Rappi...
New
Title: Programming Ruby 3.2 (5th edition), p 23 (in Beta 6) –
After showing declaration of hashed “instrument_section” values, the sampl...
New
Most Active This Week
Most Active This Month
Most Active This Year
A Ruby-Centric Chat with Noel Rappin @noelrappin
Once you start noodling around with Ruby you quickly figure out, as Noel Rappi...
New
Programming Ruby is the most complete book on Ruby, covering both the language itself and the standard library as well as commonly used t...
New
@noelrappin
On page 376 in the second paragraph (the one below the image):
wrong:
… then looks in its singleton class class for …
cor...
New
@noelrappin
On page 375 second to last paragraph:
wrong:
When you define a singleton class, Ruby creates …
correct:
When you define ...
New
@noelrappin
On page 376, first paragraph:
wrong:
… , that’s the first place Ruby looks for object lookup.
correct:
… , that’s the fi...
New
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...
New
Most Active Last Three Years
“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...
New
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:
...
New
@noelrappin
Programming Ruby 3.2 (5th Edition) (PragProg), Beta release, p 295, under the subheading “Querying the System”, 2nd paragrap...
New
@noelrappin
+++++ page 49 Reopening Classes
While ...
the most unique features of Ruby’s class structure: The ability to ...
...
New
@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...
New
@noelrappin
page 269, running rspec
These tests pass (after you update the .gemspec file):
$ rspec spec/aaagmnr/options_spec.rb
It ...
New
@noelrappin
page 274, in Packaging Your RubyGem, paragraph 2, command $ gem build
Missing README.md in code/gems/aaagmnr :
% gem build...
New
“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”...
New
@noelrappin
On page xii of the Preface, the paragraph beginning with, “Here, you can see…,” has an error in the last sentence. Following...
New
@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...
New
@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 ...
New
@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 ...
New
@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...
New
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...
New
@noelrappin
page 335, second to last line : colon instead of period at end of sentence :
call, either of those can be arguments to run:...
New
Most Active Over Three Years
@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...
New
@noelrappin
Many places have require “name”, other require name. If you want to have the same style everywhere, the following pages are ...
New
@noelrappin
page 339, third paragraph from bottom, line 3 : twice the
pulling in both Sinatra itself, and the the Thin web server, when...
New
@noelrappin
Already in the previous edition !
page 373, third paragraph, first line : built in to or built into ?
But when you metapr...
New
The beginning of the 4th paragraph from the bottom:
“BeBy default …”
New
@noelrappin
Page 187, last paragraph, line 7 :
(again, with the exception of the Ractor library). Ruby installations that do want to t...
New
@noelrappin
page 513, third paragraph, second line : might not have a later
if that might cause performance issues later—a short script...
New
@noelrappin
page 472, paragraph after Safe Navigation, line 2 : twice is
method is is not called and the entire expression returns nil....
New
@noelrappin
page 525, last example :
… and "IBM".tr("B-Z", "A-Y") => "HAL"
… for those who have seen the film 2001: A Space Odyssey...
New
@noelrappin
page 625, last bullet, first line : parameter → argument (or arguments ?)
The third line uses arguments, so I suppose you a...
New
@noelrappin
page 565, third paragraph : strange sentence
None of these methods are dependent on the file name being managed actually e...
New
@noelrappin
In the third sentence of the first full paragraph on page 19, the word “response” is used when “responds” should be used ins...
New
@noelrappin
p. 356, example method in section “Ruby Style in the Large”, the definition for the first example of method “send_promotion_...
New
@noelrappin
Duplicate word: “We don’t need to declare the symbols or assign assign them a value…”
New
@noelrappin Thanks for all your effort with this new edition of the Pickaxe!
On page 13 of the PDF in the second paragraph the word “it”...
New
Book Info
Publisher:
Pragmatic Bookshelf
Get money off!
The Pragmatic Bookshelf
35% off any eBook
Simply use coupon code "devtalk.com" at checkout. See full details here.
Latest
Filter by Type:
Devtalk Sponsors
Practical resources that improve the lives of professional developers.
We build trusted fault-tolerant systems that scale to billions of users.
Catch errors, track performance, monitor hosts and more.
Enabling companies to succeed by building software people love.
Courses that'll move you from confusion to "Aha, now I get it!"