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Title: Hotwire Native For Rails Developers
Collected Errata from our class at the University of Chicago
Great book, Joe!
We have colle...
New

Steps to Reproduce:
Follow tutorial for depot app up to page 73.
Run the following as instructed:
bin/dev
Expected Result:
Server s...
New

In section Recognizers the api example.
Should be
Source[https://media.pragprog.com/titles/tpantlr2/code/api/TestSimple.java]
New

`<.header>
Listing Products
…
`
The closing tag should be </.header>. This example and error appear twice on this page.
New

There’s a sentence on page 103 that reads, “With just a hand full of products in our
database, this isn’t necessarily a huge win.” I bel...
New
This Week's Trending

In section Recognizers the api example.
Should be
Source[https://media.pragprog.com/titles/tpantlr2/code/api/TestSimple.java]
New

On page 101 a sentence reads, “Over time, events will continue to transform the socket,
one event a time.” I believe it should end with ...
New

There’s a sentence on page 103 that reads, “With just a hand full of products in our
database, this isn’t necessarily a huge win.” I bel...
New

Title: Hotwire Native For Rails Developers
Collected Errata from our class at the University of Chicago
Great book, Joe!
We have colle...
New

`<.header>
Listing Products
…
`
The closing tag should be </.header>. This example and error appear twice on this page.
New

Steps to Reproduce:
Follow tutorial for depot app up to page 73.
Run the following as instructed:
bin/dev
Expected Result:
Server s...
New

One of the examples has what I think is supposed to be an HTML comment but the opening tag is goofy.
The example reads: <!== lib/pent...
New

In the “shipped” test, particularly in the last assertion, if I use mail.body.to_s I get the following error:
Minitest::Assertion: Expec...
New
This Month's Trending 

Code shows:
@line_item = @cart.line_items.build(product: product)
This produces an error of " * Product must exist" when you press the ...
New

@jaywengrow
Exercise 1. on pg. 45 examines the time complexity of the determination of a leap year. However, the logic of the first bran...
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Pg 41 states “Run the code, and you’ll see the placeholder message in a small window, just like last time.” for the code astronomy/v4/src...
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I suspect this is something that will be caught in editing, but just in case not… The text box at the bottom of page 78 extends on to the...
New

Thank you for writing such a helpful book! I’ve been enjoying learning about Hotwire Native and Rails.
I have a question regarding hidin...
New

In “gallery/v14/src/main/kotlin/com/example/gallery/GetImageFromFile.kt”
won’t the .use always call channel.close() on exit? if so, why...
New

The file: app/views/line_items/_line_item.html.erb was created in iteration D2, when we ran the generator: bin/rails generate scaffold L...
New

For the example astronomy/v3/src/main/kotlin/com/example/astronomy/AstronomyApplication.kt, despite the statement “That try–catch block i...
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As a minor suggestion, in timers/v19/src/main/kotlin/com/example/timers/TimerApplication.kt, you might want to consider adding // @format...
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For pets/v2/src/main/kotlin/com/example/pets/Helpers.kt (and in subsequent versions), I think it might be helpful to change the block par...
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For coffee/v3/src/main/kotlin/com/example/coffee/CoffeeApplication.kt, on pg 80, it states that the output will be:
Done launching two c...
New

I just bought this book today and am having trouble getting the sample code running on an M1 MacBook.
I cd into chapter_01/02 do git ini...
New

The render() function examples use ‘ ’ to add space between elements. The same thing could be achieved by adding the tailwind class ‘mt-1...
New

When I run pets/v23 from page 225, I get a quick flash of the “control panel” window, and then the program exits. There is no output in t...
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When I ran the parallel/v8 example on page 125, I did not get the results described of not seeing the timer’s output until the program al...
New
This Year's Trending 

Hello @seanmor5 ,
When upgrading Axon to 0.7, evaluation fails with:
** (ArgumentError) argument at position 3 is not compatible with c...
New

Ellie Fairholm @elliefairholm and Josep Giralt D’Lacoste @Gilacost,
After pushing the new branch in order to create the PR at the end of...
New

Ellie Fairholm @elliefairholm and Josep Giralt D’Lacoste @Gilacost,
Running dialyzer on both localhost and GitHub CI gives the following ...
New

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...
New

Just finished installing ruby 3.3.6 and rails 8.0.0 on ubuntu 24.04 LTS.
‘rails new demo’ seems to be building correctly but is throwin...
New

To readers of “Programming Machine Learning”: the code in the book runs on old-ish versions of Python and its libraries. If you have trou...
New

@herbert
Copying the example code from GitHub - thebracket/HandsOnRust: The source code that accompanies Hands-on Rust: Effective Learni...
New

Agile Web Development with Rails 7 (end of chapter 11): Are there answers to the Playtime exercises?
@rubys
Answer to first exercise "Can you change the application to remove it…”
New

@elliefairholm and @Gilacost
All of Chapter 2 works fine until this last bit.
variable “issues” {
type = list(object({
title = st...
New

I am using elixir 1.16.2 and when I run the mix compile it’s erroring with:
== Compilation error in file lib/ecto/query.ex ==
** (Kernel...
New

@seanmor5
When I try the
Nx.Random.uniform_split(new_key, split: {}) function in page 130 I got an undefined function error
** (Undefin...
New

In this section, at the point where it tells the reader to “Start up the server, log in, and point your browser at /promo… You should see...
New

@autodidaddict
Real World Event Sourcing: Page 105 of version 3 (PDF)
Inconsistent descriptions around whether Aggregates can process ...
New

@rubys
The “Configuration” section includes the statement “We modified our database configuration to use MySQL in production”. It should...
New

In ‘Moving Entities with Bevy’ bullet point 3, ‘Set the delta variable to a vector (containing x, y and z values)’ may be a little confus...
New
Trending Last Three Years

@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

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

@mfazio23
Android Studio will not accept anything I do when trying to use the Transformations class, as described on pp. 140-141. Googl...
New

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...
New

I am using Android Studio Chipmunk | 2021.2.1 Patch 2
Build #AI-212.5712.43.2112.8815526, built on July 10, 2022
Runtime version: 11.0....
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

Modern Front-End Development for Rails - application does not start after run bin/setup (page xviii)
After some hassle, I was able to finally run bin/setup, now I have started the rails server but I get this error message right when I vis...
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...
New

Title: Agile Web Development with Rails 7: (page 70)
I am running windows 11 pro with rails 7.0.3 and ruby 3.1.2p20 (2022-04-12 revision...
New

@parrt
In the context of Chapter 4.3, the grammar Java.g4, meant to parse Java 6 compilation units, no longer passes ANTLR (currently 4....
New

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 ...
New

Modern front-end development for Rails, second edition - Struggling to get the first chapter to work
After running /bin/setup, the first error was: The foreman' command exists in these Ruby versions: That was easy to fix: gem install fore...
New
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...
New

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...
New

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...
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 am working on the “Your Turn” for chapter one and building out the restart button talked about on page 27. It recommends looking into ...
New

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...
New

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...
New

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...
New

The allprojects block listed on page 245 produces the following error when syncing gradle:
“org.gradle.api.GradleScriptException: A prob...
New

I’m a newbie to Rails 7 and have hit an issue with the bin/Dev script mentioned on pages 112-113.
Iteration A1 - Seeing the list of prod...
New

Hi @venkats,
It has been mentioned in the description of ‘Supervisory Job’ title that 2 things as mentioned below result in the same eff...
New
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