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摘要： https://stackoverflow.com/questions/918886/how-do-i-split-a-string-on-a-delimiter-in-bash wc: https://unix.stackexchange.com/questions/51945/why-are-w 阅读全文

摘要： 转载自 https://blog.csdn.net/x1269778817/article/details/46535729 参考： https://stackoverflow.com/questions/669452/is-double-square-brackets-preferable-ove 阅读全文

摘要： https://stackoverflow.com/questions/19733447/bootstrap-navbar-with-left-center-or-right-aligned-items https://stackoverflow.com/questions/41513463/boo 阅读全文

摘要： bootstrap注意事项： https://getbootstrap.com/docs/4.0/getting-started/introduction/#quick-start 盒子模型： https://css-tricks.com/box-sizing/ 转自https://www.cnbl 阅读全文

摘要： https://tink.gitbooks.io/fe-collections/content/ch03-css/float.html https://css-tricks.com/almanac/properties/b/background-position/ https://www.w3sch 阅读全文

摘要： 这是一篇讲述串口很好的入门教程： http://users.ece.utexas.edu/~valvano/Volume1/E-Book/C11_SerialInterface.htm 如何显示串口数据： https://unix.stackexchange.com/questions/117037 阅读全文

摘要： 关于标定后图像如何校正：http://wiki.ros.org/image_pipeline/CameraInfo ros distortion vector 参数顺序：http://docs.ros.org/diamondback/api/sensor_msgs/html/CameraInfo_8 阅读全文

摘要： ros nodelet能够加快高吞吐量程序运行速度比如点云 基本入门程序可以看 http://wiki.ros.org/nodelet/Tutorials/Porting%20nodes%20to%20nodelets http://wiki.ros.org/nodelet 什么是nodelet，n 阅读全文

摘要： how to get data covariance matrix: http://stattrek.com/matrix-algebra/covariance-matrix.aspx meaning of eigen values of covariance matrix: https://www 阅读全文