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This is probably going to come up if it hasn’t already, but if you try to use Rust 2024 edition with the Advanced Hands-on Rust code, you...
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In chapter 2 page 48 identities are introduced and the following code is listed:
```
identities do
identity :unique_album_names_per_ar...
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Thanks for letting me review this book. I’ve noticed the following errata while reading the book (PDF version B2.0):
Page 35
2nd bu...
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Code:
(range start)
(range start end)
(range start end step)
Should be:
(range end)
(range start end)
(range start end step)
Note the...
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On page 139 in the iex session in the Test Drive the Schema section, the instruction is to execute Product.changeset/2. However, the prev...
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This Week's Trending
In chapter 2 page 48 identities are introduced and the following code is listed:
```
identities do
identity :unique_album_names_per_ar...
New
This is probably going to come up if it hasn’t already, but if you try to use Rust 2024 edition with the Advanced Hands-on Rust code, you...
New
This Month's Trending
Please guide me in the right direction. I am able to get .as_graph() to display the model correctly
Axon.Display.as_graph(model, templa...
New
Code:
(range start)
(range start end)
(range start end step)
Should be:
(range end)
(range start end)
(range start end step)
Note the...
New
On page 13, how to make (require 'examples.introduction) work ? How to augment the CLASSPATH such that clj is able to find examples/intro...
New
In the foolowing paragraph, it could be interesting to write what the EDN acronym means.
Additionally, there are variants in clojure.ed...
New
@seanmor5 thank you for this captivating book (I bought both!). Not sure how it works in the book world when libraries change after the ...
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In the zip file jwpaieng-code/code/prompt_engineering/chatbot.py line 28 is:
def system_prompt():
in the book:
def system_prompt(rag_c...
New
Thanks for letting me review this book. I’ve noticed the following errata while reading the book (PDF version B2.0):
Page 35
2nd bu...
New
The text reads (highlighting by me):
The word list from the Microsoft style guide has a lot of good terms you can
build on, but there ...
New
The rule in section ‘Enforcing Grammar with Natural Language‘ reads:
extends: sequence
message: "Use present tense instead of '%[1]s %[2...
New
Title: Agile Web Development with Rails 8: p99
Errata:
(a) typo “… text/fixtures/files” errata: “… test/fixtures/files” /
(b) “… the n...
New
On page 139 in the iex session in the Test Drive the Schema section, the instruction is to execute Product.changeset/2. However, the prev...
New
Title: Advanced Functional Programming with Elixir (page 21)
Example: Programming Flutter: ‘pub get’ command not working (page 15)
Hi, ...
New
The inline HTML in the book references the functions upload_image_error, upload_error_message, and upload_error_to_string. They are not d...
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In the exercises Brian poses the question “what happens if you change compare=False to compare=True.
well, the answer is nothing. As I h...
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The section ‘Dealing with Non-Word Characters’ contains:
By default, existence rules convert tokens into a regular expression that uses...
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This Year's Trending
When you generate a new Rails, app, there is no version constraint on tailwindcss-rails in the Gemfile. The gem released version 4.0.x on...
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@autodidaddict
Real World Event Sourcing: Page 105 of version 3 (PDF)
Inconsistent descriptions around whether Aggregates can process ...
New
Title: Agile Web Development with Rails 8 (page 9)
Suggestion: Add watchman to the list of packages to install
In Chapter 6 page 71 whe...
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I’m just curious: in the preface, it says, “The biggest non-deployment related change is the introduction of a basic authentication gener...
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I created my own tunez app from scratch using mix new tunes_hg
I successfully followed the book creating the ash_resource ‘artist’.
I c...
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Thank you for writing such a helpful book! I’ve been enjoying learning about Hotwire Native and Rails.
I have a question regarding hidin...
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On page 93, reference is made to the file lorem.jpg, which should be located in the test/fixtures/files folder; however, the file is not ...
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Hello, I was struggling a bit with completing chapter 11, iteration F4.
While the changes done in the “admin” (maintenance?) panel to st...
New
In reviewing the code for this chapter (autoscaling_and_optimizing_your_deployment_strategy -
modules/cloud/aws/compute/swarm/main.tf), ...
New
@joemasilotti
In Chapter 1, Initiate the Visit Section, it says:
let baseURL = URL(string: “http://localhost:3000”)!
This doesn’t work ...
New
The first time the navigatorHostId is set it uses the value R.id.main_nav_host supposedly added to to activity_main.xml in previous step...
New
In the “Defining an update action” section
artist = Tunez.Music.get_artist_by_id!("an-artist-id")
should be:
{:ok, artist} = Tunez...
New
The text "“ What we do have is that suspension-point icon next to awaitResponse,”
presumes we didn’t have those icons in the execute ver...
New
The regex on page 48 is hard to read:
~r/(^https:\/\/|\/images\/).+(\.png|\.jpg)$/
It can be improved by changing the delimiters which ...
New
Page 100
Add the following snippet to your index.html.eex template:
index.html.heex
Page 105
Our <.header> function invocati...
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Trending Last Three Years
I just bought this book to learn about Android development, and I’m already running into a major issue in Ch. 1, p. 20: “Update activity...
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@mfazio23
Android Studio will not accept anything I do when trying to use the Transformations class, as described on pp. 140-141. Googl...
New
@mfazio23
I’ve applied the changes from Chapter 5 of the book and everything builds correctly and runs. But, when I try to start a game,...
New
Getting an error when installing the dependencies at the start of this chapter:
could not compile dependency :exla, "mix compile" failed...
New
Hello @herbert ! Trying to get the very first “Hello, Bracket Terminal!" example to run (p. 53). I develop on an Amazon EC2 instance runn...
New
root_layout: {PentoWeb.LayoutView, :root},
This results in the following following error:
no “root” html template defined for PentoWeb...
New
Hello faithful readers! If you have tried to follow along in the book, you are asked to start up the dev environment via dx/build and ar...
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From page 13:
On Python 3.7, you can install the libraries with pip by running these commands inside a Python venv using Visual Studio ...
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I’ve got to the end of Ch. 11, and the app runs, with all tabs displaying what they should – at first. After switching around between St...
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Docker-Machine became part of the Docker Toolbox, which was deprecated in 2020, long after Docker Desktop supported Docker Engine nativel...
New
Is there any plan for volume 2? :slight_smile:
New
@mfazio23
I had the project running as of p. 249, but by the end of Ch. 10 (p. 258), something new has made the program crash when it tr...
New
Disclaimer: I hope all of this is accurate, and not the result of some stupid typo I failed to notice. Anyways…
This post comprises 2 is...
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@rubys
Title: Name of book: text: Agile Web Development Rails6, p. 183, Iteration G1: Capturing an Order.
I started working on a web de...
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@rubys
I’ve been struggling to get the active_job to work and after hitting a wall I resorted to using the book’s latest source code and...
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Trending Over 3 Years
Hi, I have just acquired Michael Fazio’s “Kotlin and Android Development” to learn about game programming for Android. I have a game in p...
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When trying to generate the protobuf .go file, I receive this error:
Unknown flag: --go_opt
libprotoc 3.12.3
MacOS 11.3.1
Googling ...
New
I ran this command after installing the sample application:
$ cards add do something --owner Brian
And got a file not found error:
Fil...
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When I run the coverage example to report on missing lines, I get:
pytest --cov=cards --report=term-missing ch7
ERROR: usage: pytest [op...
New
I found an issue in Chapter 7 regarding android:backgroundTint vs app:backgroundTint.
How to replicate:
load chapter-7 from zipfile i...
New
your book suggests to use Image.toByteData() to convert image to bytes, however I get the following error: "the getter ‘toByteData’ isn’t...
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@mfazio23
I’m following the indications of the book and arriver ad chapter 10, but the app cannot be compiled due to an error in the Bas...
New
Running the examples in chapter 5 c under pytest 5.4.1 causes an AttributeError: ‘module’ object has no attribute ‘config’.
In particula...
New
I think I might have found a problem involving SwitchCompat, thumbTint, and trackTint.
As entered, the SwitchCompat changes color to hol...
New
I got this error when executing the plot files on macOS Ventura 13.0.1 with Python 3.10.8 and matplotlib 3.6.1:
programming_ML/code/03_...
New
I am working on the “Your Turn” for chapter one and building out the restart button talked about on page 27. It recommends looking into ...
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Some minor things in the paper edition that says “3 2020” on the title page verso, not mentioned in the book’s errata online:
p. 186 But...
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page 20: … protoc command…
I had to additionally run the following go get commands in order to be able to compile protobuf code using go...
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The following is cross-posted from the original Ray Tracer Challenge forum, from a post by garfieldnate. I’m cross-posting it so that the...
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The allprojects block listed on page 245 produces the following error when syncing gradle:
“org.gradle.api.GradleScriptException: A prob...
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