Modern Front-End Development for Rails: B7 running the example app fails( page xv)
RobOldCodes
Page xv invites us to run the example app with rails s. I get this error:
Showing <APP_DIR>/turbo/01/app/views/concerts/_schedule_concert.html.erb where line #37 raised:
undefined method `favorite' for nil:NilClass
It seems current_user is undefined.
Popular Prag Prog topics
In Chapter 3, the source for index introduces Config on page 31, followed by more code including tests; Config isn’t introduced until pag...
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
Python Testing With Pytest - Chapter 2, warnings for “unregistered custom marks”
While running the smoke tests in Chapter 2, I get these...
New
Many tasks_proj/tests directories exist in chapters 2, 3, 5 that have tests that use the custom markers smoke and get, which are not decl...
New
I thought that there might be interest in using the book with Rails 6.1 and Ruby 2.7.2. I’ll note what I needed to do differently here.
...
New
Page 28: It implements io.ReaderAt on the store type.
Sorry if it’s a dumb question but was the io.ReaderAt supposed to be io.ReadAt?
...
New
Hi! I know not the intentions behind this narrative when called, on page XI:
mount() |> handle_event() |> render()
but the correc...
New
On the page xv there is an instruction to run bin/setup from the main folder. I downloaded the source code today (12/03/21) and can’t see...
New
#book-python-testing-with-pytest-second-edition
Hi. Thanks for writing the book. I am just learning so this might just of been an issue ...
New
root_layout: {PentoWeb.LayoutView, :root},
This results in the following following error:
no “root” html template defined for PentoWeb...
New
Other popular topics
No chair. I have a standing desk.
This post was split into a dedicated thread from our thread about chairs :slight_smile:
New
SpaceVim seems to be gaining in features and popularity and I just wondered how it compares with SpaceMacs in 2020 - anyone have any thou...
New
poll
poll
Be sure to check out @Dusty’s article posted here: An Introduction to Alternative Keyboard Layouts It’s one of the best write-...
New
Here’s our thread for the Keyboardio Atreus. It is a mechanical keyboard based on and a slight update of the original Atreus (Keyboardio ...
New
Just done a fresh install of macOS Big Sur and on installing Erlang I am getting:
asdf install erlang 23.1.2
Configure failed.
checking ...
New
Think Again 50% Off Sale »
The theme of this sale is new perspectives on familiar topics.
Enter coupon code ThinkAgain2021 at checkout t...
New
Hi folks,
I don’t know if I saw this here but, here’s a new programming language, called Roc
Reminds me a bit of Elm and thus Haskell. ...
New
The File System Access API with Origin Private File System.
WebKit supports new API that makes it possible for web apps to create, open,...
New
Author Spotlight
Rebecca Skinner
@RebeccaSkinner
Welcome to our latest author spotlight, where we sit down with Rebecca Skinner, auth...
New
I have always used antique keyboards like Cherry MX 1800 or Cherry MX 8100 and almost always have modified the switches in some way, like...
New
Latest in PragProg
Latest (all)
Categories:
Popular Portals
- /elixir
- /opensuse
- /rust
- /kotlin
- /ruby
- /erlang
- /python
- /clojure
- /react
- /quarkus
- /go
- /vapor
- /v
- /react-native
- /wasm
- /security
- /django
- /nodejs
- /centos
- /haskell
- /rails
- /fable
- /gleam
- /swift
- /js
- /deno
- /assemblyscript
- /tailwind
- /laravel
- /symfony
- /phoenix
- /crystal
- /typescript
- /debian
- /adonisjs
- /julia
- /arch-linux
- /svelte
- /spring
- /c-plus-plus
- /flutter
- /preact
- /actix
- /java
- /angular
- /ocaml
- /zig
- /kubuntu
- /scala
- /zotonic
- /vim
- /rocky
- /lisp
- /html
- /keyboards
- /emacs
- /vuejs
- /nim
- /nerves
- /elm
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!"