pg學習資料
https://github.com/ty4z2008/Qix/blob/master/pg.md
python愛好者社區學習資源彙總
https://ask.hellobi.com/blog/python_shequ/14009
神經網絡與深度學習
https://nndl.github.io/
postgres源碼
https://doxygen.postgresql.org
git 權威指南
http://www.worldhello.net/gotgit/
hekyll
https://jekyllcn.com/
gdb調試
https://www.kancloud.cn/itfanr/i-100-gdb-tips/81850
linux 常用
https://linuxtools-rst.readthedocs.io/zh_CN/latest/index.html
開源項目
http://mysql.taobao.org/monthly/
makedown入門教程
http://xianbai.me/learn-md/index.html