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Ways of communications over electronic trading platforms Electronic trading platforms facilitate the trading of financial securities and commodities. The communication methods on these platforms can vary, but generally, they include: Electronic Messaging: Traders and brokers communicate via electronic messages using protocols like FIX (Financial Information eXchange). This allows them to exchange information about trades, quotations, and market data. APIs (Application Programming Interfaces): APIs allow different software applications to communicate with the trading platform, enabling automated trading strategies, order submission, and access to real-time market data....

[[C++]] [[A Tour of C++]] A Tour of C++ (2nd edition) Notes Part 1 Preface To really know a city, you have to live in it, often for years. Read C++ Core Guidelines later The Basics Many obj files can be combined by a linker When we talk about portability of C++ programs, we usually mean portability of source code C++ STL can be implemented by C++ itself C++ STL has minor uses of machine code (except thread context switching C++ is a satically typed language (every entity must be known to the compiler before it’s used) A single quote (’) can be used as a digit separator for better read....

[[zeroMQ]] [[MQ]] ZeroMQ shouldnot be regarded as a pure socket library, it should be regarded as a messaging library, a “lightweight” message queue library. zmq_socket(3) - 0MQ Api (zeromq.org) ZeroMQ | Socket API Key differences to conventional sockets Generally speaking, conventional sockets present a synchronous interface to either connection-oriented reliable byte streams (SOCK_STREAM), or connection-less unreliable datagrams (SOCK_DGRAM). In comparison, ØMQ sockets present an abstraction of an asynchronous message queue, with the exact queueing semantics depending on the socket type in use....