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摘要： A processor in a computer running Windows has two different modes: user mode and kernel mode. The processor switches between the two modes depending o 阅读全文

摘要： We have an old USB driver, which has successful worked in windows vista, XP system, but now it cannot work in windows 7/8/10 64bits system because the 阅读全文

摘要： Install following packages. sudo apt-get install xinetd tftpd tftp Create /etc/xinetd.d/tftp and put this entry service tftp { protocol = udp port = 6 阅读全文

摘要： git uses blob object to store the conent of file of each version, the blog file name is SHA1 value of content of file. Git uses tree object to store t 阅读全文

摘要： using "conents" pattern to set the string setenv netboot "echo Booting from net ...; run netargs; if test ${ip_dyn} = yes; then setenv get_cmd dhcp; e 阅读全文

摘要： errno If you are compiling an application under Linux and get an error message like: /usr/bin/ld: errno: TLS definition in /lib/libc.so.6 section .tbs 阅读全文

摘要： https://jingyan.baidu.com/article/03b2f78cd810115ea237ae2d.html SD卡是（secure digital memory card）安全数码卡，是一种基于半导体快闪记忆器的新一代记忆设备，是在MMC基础上发展起来的，增加了两个主要特色: 可 阅读全文

摘要： GCC -c compile the source code to object code e.g. gcc -o abc.c, the object file abc.o will be generated. GCC -o compile the exe file e.g. gcc -o abc 阅读全文

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摘要： CAN FD (CAN with Flexible Data-Rate) is an extension to the original CAN bus protocol specified in ISO 11898-1.[1] Developed in 2011 and released in 2 阅读全文