In "What the pack" the definitions for N and V say they will generate signed integers per 4 bytes, however the documentation for Array#pack says that N and V will generate unsigned 4-byte integers. The "similar to" bits, L> for N and L< for V, are actually correct as L is an unsigned integer per 4 bytes too.

I checked back so see if the definition for N or V had changed in older rubies, but it seems like they've always been to generate unsigned values, so I'm guessing this is just a typo.

Hello, First I love your great articles and your unmatched in-depth coverage.
While trying some examples from "https://idiosyncratic-ruby.com/66-ruby-has-character" I found some errors - you use:

"\u{65}" # => "A"

as a codepoint example - but A is 65 in decimal and NOT in hex, thus you get

"\u{65}" # => "e"

You have to change 65 to 41 than all works as expected e.g.

   "\u{41}" # => "A"

And some more e.g.

Codepoint | Decimal | 
-- | -- | -- | -- | -- | --
U+0065 | 101

needs to get corrected to:

U+0041 | 65

Cheers. Prost.

It's 2017, nobody uses RSS anymore 😉 do you mind to post to Twitter as well? 😊