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len,k;byte rxdata[2048];//setting byte arrayCString strtemp;if (m_ctrlcomm.get_commevent () ==2)//Event 2 indicates that the accept buffer has characters{variant_inp=m_ctrlcomm.get_input ();//Read Bufferconversion of safearray_inp=variant_inp;//variant data into COleSafeArray type variableLEN=SAFEARRAY_INP. Getonedimsize ();//Get Valid data lengthFor (k=0;kSAFEARRAY_INP. GetElement (k,rxdata+k);//Convert to byte arrayFor (k=0;kBYTE bt=* (char *) (RXDATA+K);//character typestrtemp. Format (char)
arrayCString strtemp;if (m_ctrlcomm.get_commevent () ==2)//Event 2 indicates that the accept buffer has characters{variant_inp=m_ctrlcomm.get_input ();//Read Bufferconversion of safearray_inp=variant_inp;//variant data into COleSafeArray type variableLEN=SAFEARRAY_INP. Getonedimsize ();//Get Valid data lengthFor (k=0;kSAFEARRAY_INP. GetElement (k,rxdata+k);//Convert to byte arrayFor (k=0;kBYTE bt=* (char *) (RXDATA+K);//character typestrtemp. Format (char) bt;//send character into temporary var
Use Dmidecode to get a lot of information about the machine, such as the serial number of the machine[Email protected] ~]# dmidecode-s System-serial-numberThe main frequency of processor[Email protected] ~]# dmidecode-s processor-frequency2200 MHz2200 MHz 2200 MHz 2200 MHzMore can haveValidstringkeywords Are:bios-Vendor BIOS-Version BIOS-release-Datesystem-Manu
In actual development, there may be a need to generate a serial number according to certain rules (for example, according to the company code and date to generate 4-digit serial number) We can combine the company and date as a business code , the value of the business code and sequence stored in the database, Each time
Brief introduction
Many small shops give them a serial number in the approximate order in which they arrive, allowing them to queue in an orderly fashion. The serial number is usually printed on a small piece of paper by a single machine. If multiple customers visit at the same time, the order of queues may be disturb
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