Cryptography is the core of many security mechanisms such as secret communication, message authentication, digital signature, exchanging secret keys, anonymous communication, electronic auction and election, digital cash, etc.
Cryptography is the core of many security mechanisms such as secret communication, message authentication, digital signature, exchanging secret keys, anonymous communication, electronic auction and election, digital cash, etc.
The goal of computer security is to protect assets on computer systems against attack. We need to understand how attacks are performed in order to combat with attackers. Some common attacks are presented in this article, such as DNS poisoning, DOS, stack overflow and XSS.
Richard S. Sutton's "Reinforcement learning: An Introduction, 2nd edition" is a very good textbook for RL but it is too long. This article acts as a highly condensed note for that book.
Reinforcement Learning (RL) is a kind of machine learning method which trains an agent to make decisions at …
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when a man is tired of London, he is tired of life. 当一个人厌倦了伦敦,那他也就厌倦了生活。 — Samuel Johnson
伦敦有将近2000年的历史 …