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摘要： https://github.com/kenjihiranabe/The-Art-of-Linear-Algebra 阅读全文

摘要： Half of College Grads Are Working Jobs That Don’t Use Their Degrees Choice of major, internships and getting the right first job after graduation are 阅读全文

摘要： https://zhuanlan.zhihu.com/p/375214064 至于冷门非通用语种劝退是另一回事 https://www.zhihu.com/question/369699567/answer/1303657100 阅读全文

摘要： 博库旗舰店https://bokuts.tmall.com/?spm=a1z10.1-b-s.1997427721.d4918089.58134454Cp1I2o 当当网官方旗舰店https://dangdang.tmall.com/?spm=a312a.7700824.0.0.5c792f9daD 阅读全文

摘要： Randall D. Knight: https://physics.calpoly.edu/content/faculty_pages/rknight Professor Knight is the author of Physics for Scientists and Engineers: A 阅读全文

摘要： pkg install archivers/7-zippkg install 7-zip 参考：https://www.freshports.org/archivers/7-zip 阅读全文

摘要： su - root -c "your command" su - yourUserName -c "YourCommand" 详细参考 来源：https://www.cyberciti.biz/open-source/command-line-hacks/linux-run-command-as-d 阅读全文

摘要： use ls with color ls -G; ls -F; ls -FG 阅读全文

摘要： http://www.dzkbw.com/books/rjb/gaozhong-shuxue/ http://www.shuxue9.com/pep/ 阅读全文

摘要： Use sshpass: sshpass -p "password" scp -r user@example.com:/some/remote/path /some/local/path or so the password does not show in the bash history ssh 阅读全文