屋顶上的鱼

于华超

Harxon Smart Antenna

使用的GPS接收机简介使用带3G功能的移动站TS102，移动站出厂设置为com1-115200 Baud，输出定位信息和航向(GGA,RMC,VTG,ZDA,HDT),现在硬件连接出来的串口线对应接收机的com1。使用3G网络接入千寻位置提供的差分位置服务，所以无需配置基站，只...

Posted by Bryan on August 9, 2017

Internet Socket

Socket TCP Python实现连接canet 200T设备 canet设备的IP端口为：192.168.0.98:40001 需要把电脑固定IP到同一个网段 1. sudo gedit /etc/network/interfaces 2. add the...

Posted by Bryan on July 29, 2017

Leetcode

BackTracking Do not try in-place like```s = s.subtr(0, i)`` in backtracking(recursive operation) STL basic function arguments meaning: substr...

Posted by Bryan on July 28, 2017

How to Fly over GFW

—-Salvation lies within.—- GoAgent Download GoAgent which has been employed.(Your own cloud space) Setting Chrome on Windows Download xx-ne...

Posted by Bryan on July 19, 2017

ROS Tutorials

ROS Problems If roscore does not initialize and sends a message about lack of permissions, probably the ~/.ros folder is owned by root, change ...

Posted by Bryan on July 18, 2017

OpenSfM Opensource Textbook

Need to solved: feature.py 238 extract_feature_hahog(image,config) hahog’s feature descriptor is different from SIFT or SURF, its feature d...

Posted by Bryan on July 14, 2017

Latex Usage

空一行为另起一段，\为段内强制换行。 $…$是开启行内数学模式，用于和文本合在一起使用。 \(...\)和[…]是另起一行居中开启数学模式。通常用起来差别不是很大，不过$$会修改默认的公式行间距，有时可能会对文章的整体效果有影响。有一些网站可以通过画图的方式来生成公式，有的编...

Posted by Bryan on July 13, 2017

C++ Textbook 下

以下部分高能预警，请细心体会（本书第8~12章）今天看完前10章 8.类和队象任何对象都应该有两个要素：属性（静态特征）/行为（动态特征）,由数据和函数两部分组成对象在设计时，考虑封装特性，将外部行为和内部行为分隔开，同时将各个对象之间的相对独立对象是具体存在的，类是对象的...

Posted by Bryan on July 8, 2017