What are the English language IT resources?

Question

Books

Good afternoon!
Please advise English-language resources on:

• Mathematics
  

Brief explanation: Interested in higher mathematics - institute course and beyond.

• Programming
  

Brief explanation:

• Low-level programming (c, assembler, compilers)
  

A brief explanation: under the materials on low-level programming, as an example, I can indicate: - I wanted something like that.

• Hardware (description of hardware - something like blogs, homemade products, assembly language for specific hardware, processors, microprocessors, arduino, microcontrollers)
  

Preferred Formats:

• Text
  
• Video(for example: Numberphile)
  

Huge request (!):
Please DO NOT advise resources like Coursera, Udacity, Khan Academy, Udemy, etc. - I'm more interested in the English equivalents of habr.com - or something similar.
Please: when answering - indicate the type of resource (mathematics, programming, low-level programming, hardware)
Thank you!

Answer 1

Programming, hardware - https://news.ycombinator.com/ IT oriented aggregator.

Answer 2

Medium