The original meaning of agency is to perform legal acts in the name of another person within the scope of authorization that have direct legal effect on the principal.
Patent agent
Agency is a Chinese term whose pinyin is dài lǐ. It refers to the legal action that directly has legal effect on the principal within the scope of authorization in the name of others. Behavior.
: Proxy Server, also referred to as proxy, is an important server security function. It works mainly at the session layer of the Open Systems Interconnection (OSI) model, thus functioning as a firewall. Proxy servers are mostly used to connect INTERNET (International Internet) and INTRANET (Local Area Network). In C language, agent refers to Delegate, also translated as delegation. The delegate in C and the function pointer in C are basically the same thing. C implements the function pointer in the form of delegate. The difference is that delegates in C are type-safe. (Strictly speaking, delegation in C encapsulates methods that meet certain characteristics into parameter types in an object-oriented manner, so that they can be used as parameters; the implementation principle of delegation is completely different from that of function pointers) delegate only focuses on the involved Details of the method (function). It is a type whose variables can be used to assign values ??to different (but similar) methods (functions). To put it bluntly, the processing code is "placed" into a variable, and "executing" this variable means executing the code "placed" in this variable.