echo display

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Serial programming under Linux: struct Termios structure

Termios Structural Body Description In a termios structure, the struct body generally includes the following members: tcflag_t C_iflag; tcflag_t C_oflag; tcflag_t C_cflag; tcflag_t C_lflag; cc_t C_cc[nccs]; Its specific meaning is as follows

How PHP obtains the number of milliseconds in the current time

PHP itself does not provide a function that returns the number of milliseconds, but provides a microtime () function that makes it easy to define a function that returns a number of millisecondsPHP itself does not provide a function that returns the

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