• Linux

  • https://ops.tips

• Void Linux:

  • http://www.troubleshooters.com/linux/void/voidtips.htm
  • http://www.troubleshooters.com/linux/void/index.htm

• perf stat -r N -d CMD is a great way to measure command running time on Linux.

• Various tip to inspect the system: https://news.ycombinator.com/item?id=16685452

• https://dev.to/brpaz/my-linux-development-environment-of-2018-ch7

• MAN pages: https://news.ycombinator.com/item?id=15775886

• C, Unix, and low-level programming: http://vendu.twodots.nl/wizardcode.html

• Comics: https://jvns.ca/teach-tech-with-cartoons/

• Command-line resources:

  • https://news.ycombinator.com/item?id=15507871
  • https://news.ycombinator.com/item?id=15514589

• Free C books: https://github.com/EbookFoundation/free-programming-books/blob/master/free-programming-books.md

• Regular expressions:

# === {{CMD}}  path/to/file
# === cat path/to/file | {{CMD}}  no-section
  html-no-section () {
    grep  -Pzo '(?s)(\A.+?)(?=\n\<!--)' $@
  }
# === {{CMD}}   STYLE|FOOT|...   path/to/file
# === cat path/to/file | {{CMD}}   STYLE|FOOT|...
  html-section () {
    section="$1"; shift
    grep  -Pzo '(?s)^\<!--\s+'$section'\s+-->\s?\n\K(.+?)(?=\n<!--|\Z)' $@
  }

• Bash: Things I wish I knew before: https://news.ycombinator.com/item?id=16084763