# High Performance PostgreSQL for Rails: Contains non-printing unicode characters

**URL:** <https://forum.devtalk.com/t/high-performance-postgresql-for-rails-contains-non-printing-unicode-characters/160254>\
**Category:** PragProg Customers\
**Tags:** book-high-performance-postgresql-for-rails, errata\
**Created:** [26 June 2024 22:23 UTC](https://forum.devtalk.com/t/high-performance-postgresql-for-rails-contains-non-printing-unicode-characters/160254 "2024-06-26T22:23:39Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![viktorianer](https://forum.devtalk.com/user_avatar/forum.devtalk.com/viktorianer/32/6178_2.png) [@viktorianer](https://forum.devtalk.com/u/viktorianer)\
**Post date:** [27 June 2024 07:35 UTC](https://forum.devtalk.com/t/high-performance-postgresql-for-rails-contains-non-printing-unicode-characters/160254/4 "2024-06-27T07:35:57Z")

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> [@andatki](#):
>
> Generally they recommend downloading the code sample directory separately.

Oh, I just realized that you can click on each example to download the code 😊. Did I miss this feature because I’ve been using the book without internet access? Or is there an explanation for this in the book that I might have overlooked?

Anyway, downloading the examples does help solve this problem, as I will go back to the code on my notebook eventually.

Initially, I was looking for the files in the repository itself and was surprised not to find those examples there. It was a bit frustrating not to find those files directly. Now, with the link, I understand why they are not included. 😃

But isn’t the book repository the best place for those code examples?

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