Any free online resources to learn C or C++? And I mean really

Nobody tells you that you also need to learn libraries.

>>61057877
get a compiler and start writing code until it works

pirate k&r.

>>61057877
It's impossible for a human to finish reading and mastering all C++ libraries in his life time. Furthermore C++ has multiple standard libraries just to make you confused.

>>61057877

No such thing.
Learn the language. Do a project. The rest is filled in by that.

>>61057877
Check out codewars.com
you can't even make an account to get started until you pass the first test, and then they get significantly harder and harder after that

Hacking: The Art of Exploitation has a pretty good C intro, plus you get an overview of some common security mistakes that may or may not still be relevant. And of course, there's always K&R. I'm sure that you can find the first one free somewhere; it was released as a drm-free download in a humble bundle not long ago.

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>>61057877
Watch the Harvard CS50 course on YouTube and do the exercises. Complement it with a decent book (Programming in C, or C Programming: A Modern Approach) and you will have a solid understanding of basic CS concepts and the C language.

Don't bother with K&R, it's practically a meme at this point. Read it once you're no longer a noob though for historical value.

>>61057877
if you really want to learn the language:read the standard

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>>61057877
Learn C in 24 hours: http://aelinik.free.fr/c/

just pirate the books if you really can't afford them

https://isocpp.org/faq