
jim
Agile Web Development with Rails 6: Validation regex has lowercase z (print P1.0 page 90)
The provided validation of :image_url
has a lowercase z in the regex. The following paragraph says that it should be an uppercase Z.
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

Hi Brian,
Looks like the api for tinydb has changed a little. Noticed while working on chapter 7 that the .purge() call to the db throws...
New

Title: Web Development with Clojure, Third Edition - migrations/create not working: p159
When I execute the command:
user=> (create-...
New

Hi Jamis,
I think there’s an issue with a test on chapter 6. I own the ebook, version P1.0 Feb. 2019.
This test doesn’t pass for me:
...
New

Hi @Margaret ,
On page VII the book tells us the example and snippets will be all using Elixir version 1.11
But on page 3 almost the en...
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

I think I might have found a problem involving SwitchCompat, thumbTint, and trackTint.
As entered, the SwitchCompat changes color to hol...
New

Title: Build a Weather Station with Elixir and Nerves: Problem connecting to Postgres with Grafana on (page 64)
If you follow the defau...
New

Skimming ahead, much of the following is explained in Chapter 3, but new readers (like me!) will hit a roadblock in Chapter 2 with their ...
New
Other popular topics

A thread that every forum needs!
Simply post a link to a track on YouTube (or SoundCloud or Vimeo amongst others!) on a separate line an...
New

Any thoughts on Svelte?
Svelte is a radical new approach to building user interfaces. Whereas traditional frameworks like React and Vue...
New

Bought the Moonlander mechanical keyboard. Cherry Brown MX switches. Arms and wrists have been hurting enough that it’s time I did someth...
New

On modern versions of macOS, you simply can’t power on your computer, launch a text editor or eBook reader, and write or read, without a ...
New

Biggest jackpot ever apparently! :upside_down_face:
I don’t (usually) gamble/play the lottery, but working on a program to predict the...
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
Jamis Buck
@jamis
This month, we have the pleasure of spotlighting author Jamis Buck, who has written Mazes for Prog...
New

Author Spotlight:
Bruce Tate
@redrapids
Programming languages always emerge out of need, and if that’s not always true, they’re defin...
New

A Ruby-Centric Chat with Noel Rappin @noelrappin
Once you start noodling around with Ruby you quickly figure out, as Noel Rappi...
New

Will Swifties’ war on AI fakes spark a deepfake porn reckoning?
New
Latest in PragProg
Categories:
Popular Portals
- /elixir
- /rust
- /wasm
- /ruby
- /erlang
- /phoenix
- /keyboards
- /js
- /rails
- /python
- /security
- /go
- /swift
- /vim
- /clojure
- /java
- /haskell
- /emacs
- /svelte
- /onivim
- /typescript
- /crystal
- /c-plus-plus
- /tailwind
- /kotlin
- /gleam
- /react
- /flutter
- /elm
- /ocaml
- /vscode
- /opensuse
- /centos
- /ash
- /php
- /deepseek
- /scala
- /zig
- /html
- /debian
- /nixos
- /lisp
- /agda
- /sublime-text
- /textmate
- /react-native
- /kubuntu
- /arch-linux
- /ubuntu
- /revery
- /manjaro
- /django
- /spring
- /diversity
- /nodejs
- /lua
- /c
- /julia
- /slackware
- /neovim