
pragmoose
Powerful Command-Line Applications in Go:
Title: Powerful Command Line Applications In Go (page 6)
The comment in the update count
func reads
// A scanner is used to read text from the a Reader (such as files)
“the a Reader” should be “the Reader” or “a Reader”
First Post!

rgerardi
Author of Powerful Command-Line Applications in Go
Thank you for spotting it. It’s fixed now and it will be available in the next update.
Popular Pragmatic topics

This test is broken right out of the box…
— FAIL: TestAgent (7.82s)
agent_test.go:77:
Error Trace: agent_test.go:77
agent_test.go:...
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

Running the examples in chapter 5 c under pytest 5.4.1 causes an AttributeError: ‘module’ object has no attribute ‘config’.
In particula...
New

Python Testing With Pytest - Chapter 2, warnings for “unregistered custom marks”
While running the smoke tests in Chapter 2, I get these...
New

I can’t setup the Rails source code. This happens in a working directory containing multiple (postgres) Rails apps.
With:
ruby-3.0.0
s...
New

The generated iex result below should list products instead of product for the metadata. (page 67)
iex> product = %Product{}
%Pento....
New

Title: Intuitive Python: docker run… denied error (page 2)
Attempted to run the docker command in both CLI and Powershell
PS C:\Users\r...
New

In general, the book isn’t yet updated for Phoenix version 1.6. On page 18 of the book, the authors indicate that an auto generated of ro...
New

When installing Cards as an editable package, I get the following error:
ERROR: File “setup.py” not found. Directory cannot be installe...
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
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

What chair do you have while working… and why?
Is there a ‘best’ type of chair or working position for developers?
New

Why, if your answer is yes?
New

Thanks to @foxtrottwist’s and @Tomas’s posts in this thread: Poll: Which code editor do you use? I bought Onivim! :nerd_face:
https://on...
New

“A Mystical Experience” Hero’s Journey with Paolo Perrotta @nusco
Ever wonder how authoring books compares to writing articles?...
New

Continuing the discussion from Thinking about learning Crystal, let’s discuss - I was wondering which languages don’t GC - maybe we can c...
New

Here’s the story how one of the world’s first production deployments of LiveView came to be - and how trying to improve it almost caused ...
New

API 4
Path:
/user/following/
Method:
GET
Description:
Returns the list of all names of people whom the user follows
Response
[
{ ...
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

Author Spotlight:
Bruce Tate
@redrapids
Programming languages always emerge out of need, and if that’s not always true, they’re defin...
New
Latest in PragProg
Latest (all)
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
- /ash
- /centos
- /php
- /deepseek
- /scala
- /zig
- /html
- /debian
- /nixos
- /lisp
- /agda
- /react-native
- /textmate
- /sublime-text
- /kubuntu
- /arch-linux
- /revery
- /ubuntu
- /manjaro
- /spring
- /django
- /diversity
- /nodejs
- /lua
- /slackware
- /julia
- /c
- /neovim