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https://ntrs.nasa.gov/citations/19900017394 PDF下载链接 https://ntrs.nasa.gov/api/citations/19900017394/downloads/19900017394.pdf?attachment=true 阅读全文
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grep -v grep "11eab8cfe8dcb99fc1\|12cfc62ec978c20cb5\|16beb736484d4fcc58" img.list.txt 注意2点： 双引号，绝对不能丢； 不能直接使用|，或者误解成pipe，需要转置符号\ 阅读全文
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ffprobe abc.mp3 2> >(grep title) 参考： https://stackoverflow.com/questions/1507816/with-bash-how-can-i-pipe-standard-error-into-another-process 阅读全文
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install nokogiri https://rubygems.org/gems/nokogiri/versions install a local gem: gem install --local path_to_gem/filename.gem https://stackoverflow.c 阅读全文
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:%s/\r/\r/g 来源：https://stackoverflow.com/questions/811193/convert-m-windows-line-breaks-to-normal-line-breaks 阅读全文
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图论大师： John Adrian Bondy 写了两本图论巨著： Graph Theory with ApplicationsJohn Adrian BondyNorth Holland Graph TheoryAdrian Bondy, U.S.R. MurtySpringer https:// 阅读全文
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https://hadan8490.blogspot.com/ 阅读全文
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https://www.youtube.com/watch?v=4LkEecm4UX8&ab_channel=TechMeSpot How to Jump Forward or Backward in VLC Media Player for 1 Second in Windows 10? Step 阅读全文
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https://violentmonkey.github.io/ https://www.tampermonkey.net/ https://chrome.google.com/webstore/detail/tampermonkey/dhdgffkkebhmkfjojejmpbldmpobfkfo 阅读全文
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http://zhishifenzi.com/depth/character/480.html 阅读全文