• Dynamic variable naming.
• Internal variables.
• Turn the non-functions into functions.
  • This is so tests can be written.
  • It also shows a working use case for the task.
• Add a CONTRIBUTING.md.
• Look into side effects of using shopt and set.
• /dev/tcp
• Convert to pdf
  • Add a cover.
  • Add references.
• Write some

What cheatsheet is this about? (if applicable)

Basic cheatsheet

What's your issue or idea?

content duplication

There are two identical subheading, Types or Interfaces?.
And following contents are almost the same.
I think It is better to be deduplicated.
I'd appreciate it if you could consider it for the next reader. :)

**(If applicable) Reproduction of issue

DNS preanalyze is a way to reduce DNS analyze time:

<meta http-equiv="x-dns-prefetch-control" content="on" />
<link rel="dns-prefetch" href="http://www.baidu.com" />

cargo new already creates a structured project (folders, etc...).
Wouldn't be it nice to create a section/page/idioms/ devoted to best practices of code organisation? For example how to struct modules, crates, workspaces...how to refer one crate from another or one module from another.
What do you think?

MDN URL: https://developer.mozilla.org/en-US/docs/Tools/Debugger-API/Tutorial-Breakpoint

What information was incorrect, unhelpful, or incomplete?

The section about "enabling Scratchpad" are obsolete, since Firefox 70 deprecated, and 72 removed the "Scratchpad" functionality.
https://developer.mozilla.org/en-US/docs/Tools/Deprecated_tools
This page above mentions that the new alternativ

Currently, we manually append the params to the url / query string using urljoin. Instead, we can send the query params in as a dictionary