<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[David0340的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/David0340</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; David0340]]></copyright><item><title><![CDATA[ubuntu学习排错日记]]></title><link>https://blog.youkuaiyun.com/David0340/article/details/103450857</link><guid>https://blog.youkuaiyun.com/David0340/article/details/103450857</guid><author>David0340</author><pubDate>Sun, 08 Dec 2019 23:23:54 +0800</pubDate><description><![CDATA[为什么我自己写的bash文件，使用内存就不能超过240k左右
比如我把bash -i -c  “/home/dv/pycharm-2019.2.4/bin/pycharm.sh” %f写到文件里面
#! /bin/sh
bash -i -c  "/home/dv/pycharm-2019.2.4/bin/pycharm.sh" %f &amp;

终端执行pycharm
cpu占用很高，内存占用很...]]></description><category></category></item><item><title><![CDATA[ros相关命令及工具]]></title><link>https://blog.youkuaiyun.com/David0340/article/details/103230087</link><guid>https://blog.youkuaiyun.com/David0340/article/details/103230087</guid><author>David0340</author><pubDate>Sun, 24 Nov 2019 22:26:29 +0800</pubDate><description><![CDATA[rosnode list
rosnode info [node]
rostopic list
rostopic list -v   详细信息
rostopic echo [topic]查看话题上流动的信息
rostopic type [topic]命令可以查看发布在某个话题上的消息类型。
rosmsg show [topic_type]可以看到具体的数据类型例如float int
rostopic...]]></description><category></category></item><item><title><![CDATA[ros编译相关问题]]></title><link>https://blog.youkuaiyun.com/David0340/article/details/103228749</link><guid>https://blog.youkuaiyun.com/David0340/article/details/103228749</guid><author>David0340</author><pubDate>Sun, 24 Nov 2019 20:52:51 +0800</pubDate><description><![CDATA[单独编译某个包
首先切换到自己的ROS工作空间： $ cd ~/catkin_ws
如果你想编译整个工作空间里面的包：$ catkin_make
如果你只想编译工作空间某一个包：$ catkin_make -DCATKIN_WHITELIST_PACKAGES=“包名”
例如：
$ catkin_make -DCATKIN_WHITELIST_PACKAGES=“beginner_tutorial...]]></description><category></category></item><item><title><![CDATA[python学习笔记]]></title><link>https://blog.youkuaiyun.com/David0340/article/details/103228279</link><guid>https://blog.youkuaiyun.com/David0340/article/details/103228279</guid><author>David0340</author><pubDate>Sun, 24 Nov 2019 20:26:29 +0800</pubDate><description><![CDATA[import任意路径的包
import sys
sys.path.append("/home/dv/pysot-master")
from pysot.core.config import cfg #pysot是pysot-master的子文件夹，config是py文件，cfg是函数
from pysot.models.model_builder import ModelBuilder
from ...]]></description><category></category></item><item><title><![CDATA[ROS主从机配置]]></title><link>https://blog.youkuaiyun.com/David0340/article/details/103147622</link><guid>https://blog.youkuaiyun.com/David0340/article/details/103147622</guid><author>David0340</author><pubDate>Tue, 19 Nov 2019 18:00:20 +0800</pubDate><description><![CDATA[运行在机器人上的叫主机master 开启roscore 远端的叫从机 host

                                                
                
                
                    
            
                版权声明：本文为博主原创文章，遵循 CC 4.0 B...]]></description><category></category></item><item><title><![CDATA[ROS爬坑日记]]></title><link>https://blog.youkuaiyun.com/David0340/article/details/103147073</link><guid>https://blog.youkuaiyun.com/David0340/article/details/103147073</guid><author>David0340</author><pubDate>Tue, 19 Nov 2019 17:27:36 +0800</pubDate><description><![CDATA[启动roscore报错No module named ‘defusedxml’
Traceback (most recent call last):
  File "/opt/ros/melodic/bin/roscore", line 36, in &lt;module&gt;
    from rosmaster.master_api import NUM_WORKERS
  File "/o...]]></description><category></category></item><item><title><![CDATA[ubuntu关于文件（夹）的创建、删除，复制，权限，压缩，查找等操作]]></title><link>https://blog.youkuaiyun.com/David0340/article/details/103143805</link><guid>https://blog.youkuaiyun.com/David0340/article/details/103143805</guid><author>David0340</author><pubDate>Tue, 19 Nov 2019 15:56:14 +0800</pubDate><description><![CDATA[创建文件：touch a.txt
创建文件夹：touch a.txt
删除文件：rm a.txt
删除文件夹：rmdir newfolder
删除带有文件的文件夹：rm -r newfolder
删除一个非空文件夹和它下面的一切：rm -rf 非空文件夹名
创建一个路径不存在的文件夹：mkdir -p newfolder
创建一个路径不存在的文件：无这样的命令
复制cp 源文件 目的文件
复制cp...]]></description><category></category></item></channel></rss>