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by aminotaa 2934 days ago
Little's Law - https://en.wikipedia.org/wiki/Little%27s_law. Queues are everywhere.

Distributed Systems theory. Especially the complexity of failure detection in distributed systems. Slow vs failed.

Networking. 99 out of 100 developers do not have sufficient understand of networking.

Many operating systems concepts. Virtual Memory Management. Scheduling. Intel x86 architecture and how CPUs actually work.

Relational Algebra.

Multiversion concurrency control.

Defense in depth. Information Assurance in general.

AST. Parsing in general.