<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[hellopopyee的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/hellopopyee</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; hellopopyee]]></copyright><item><title><![CDATA[用vector实现map按value排列]]></title><link>https://blog.youkuaiyun.com/hellopopyee/article/details/123806938</link><guid>https://blog.youkuaiyun.com/hellopopyee/article/details/123806938</guid><author>hellopopyee</author><pubDate>Mon, 28 Mar 2022 21:41:39 +0800</pubDate><description><![CDATA[笔记：用vector实现map按value排列问题描述
问题描述
map自动按照key的大小顺序进行存储。因而作为key的类型必须能够进行大小运算的比较。比如int、double、string、char等类型。
但是，如果要按照value进行存储，可以考虑两种方式：
1.把value换成key;
2.利用vector&lt; pair &gt;类型。
以下示例为字符排序，输入一个只包含小写英文字母和数字的字符串。输出一个字符串，为不同字母出现次数的降序表示。若出现次数相同，则按ASCII码的升序输出。
#i]]></description><category></category></item><item><title><![CDATA[LIO-SAM跑KITTI]]></title><link>https://blog.youkuaiyun.com/hellopopyee/article/details/122327971</link><guid>https://blog.youkuaiyun.com/hellopopyee/article/details/122327971</guid><author>hellopopyee</author><pubDate>Wed, 05 Jan 2022 17:18:47 +0800</pubDate><description><![CDATA[运行出现
[ WARN] [1641374242.433373896]: Large velocity, reset IMU-preintegration!
[ WARN] [1641374242.954969492]: Large velocity, reset IMU-preintegration!
[ WARN] [1641374243.953370316]: Large velocity, reset IMU-preintegration!
[ WARN] [1641374244.365513990]]></description><category></category></item><item><title><![CDATA[Urbannav数据集/novatel_data/inspvax订阅]]></title><link>https://blog.youkuaiyun.com/hellopopyee/article/details/121630414</link><guid>https://blog.youkuaiyun.com/hellopopyee/article/details/121630414</guid><author>hellopopyee</author><pubDate>Tue, 30 Nov 2021 13:38:30 +0800</pubDate><description><![CDATA[使用Urbannav数据集做多原融合定位评估精度，需要使用 /novatel_data/inspvax作为真值，但无法直接订阅该话题
rotopic  echo /novatel_data/inspvax
显示无法订阅，该话题未build
解决思路如下：
（1）首先根据博客：如何将ROS中的MSG转化格式重新发布的代码，下载这个git：
imu_viz_2d
创建ros工作空间hx_ws（你可以随便起个名字），把以上git安装在hx_ws内
（2）接下来发现catkin_make报错：无法找到#includ]]></description><category></category></item><item><title><![CDATA[ROS中Lidar的两种消息类型]]></title><link>https://blog.youkuaiyun.com/hellopopyee/article/details/119219665</link><guid>https://blog.youkuaiyun.com/hellopopyee/article/details/119219665</guid><author>hellopopyee</author><pubDate>Thu, 29 Jul 2021 20:11:36 +0800</pubDate><description><![CDATA[https://zhuanlan.zhihu.com/p/332609152.

]]></description><category></category></item><item><title><![CDATA[ORB-SLAM3 + VScode:检测到 #include 错误。请更新 includePath。已为此翻译单元禁用波浪曲线]]></title><link>https://blog.youkuaiyun.com/hellopopyee/article/details/115272565</link><guid>https://blog.youkuaiyun.com/hellopopyee/article/details/115272565</guid><author>hellopopyee</author><pubDate>Sat, 27 Mar 2021 22:01:28 +0800</pubDate><description><![CDATA[键盘按下“Shift+Ctrl+p” 输入: C++Configurations，选择JSON界面做如下改动：
1.首先把   “/usr/include”,放在最前
2.查看C++路径，终端输入gcc -v -E -x c++ -
 /usr/include/c++/5
 /usr/include/x86_64-linux-gnu/c++/5
 /usr/include/c++/5/backward
 /usr/lib/gcc/x86_64-linux-gnu/5/include
 /usr/local/]]></description><category></category></item></channel></rss>