Show HN: Beginner/expert hello world coding examples: C, C++, Python, Bash, etc.

[techie2022]

From reading yaml files in C++, to precision Linux timing in C (https://github.com/ElectricRCAircraftGuy/eRCaGuy_hello_world...)...

Great sockets (Ethernet packets) demo: https://github.com/ElectricRCAircraftGuy/eRCaGuy_hello_world...

Those are just a couple snippets.