<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[dlwsd_的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/dlwsd_</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; dlwsd_]]></copyright><item><title><![CDATA[在GPU上运行python代码出错：ValueError: Object arrays cannot be loaded when allow_pickle=False]]></title><link>https://blog.youkuaiyun.com/dlwsd_/article/details/94882317</link><guid>https://blog.youkuaiyun.com/dlwsd_/article/details/94882317</guid><author>dlwsd_</author><pubDate>Sat, 06 Jul 2019 18:41:33 +0800</pubDate><description><![CDATA[错误提示：

File "*****.py", line 23, in &lt;module&gt;
  data = np.load('path')
 File "/home/***/.conda/envs/***/lib/python3.7/site-packages/numpy/lib/npyio.py", line 447, in load
  pickle_kwargs...]]></description><category></category></item><item><title><![CDATA[sql    合并两列数据为一列，中间用符号隔开]]></title><link>https://blog.youkuaiyun.com/dlwsd_/article/details/87367194</link><guid>https://blog.youkuaiyun.com/dlwsd_/article/details/87367194</guid><author>dlwsd_</author><pubDate>Fri, 15 Feb 2019 17:13:49 +0800</pubDate><description><![CDATA[示例表格（example）

执行查询语句：

select name,id,age from example;

得到查询结果：

name
			id
			age
		zhangsan
			1
			10
		lisi
			2
			20
		wangwu
			3
			30
		 

一：现想在查询中将name字段和id字段合并，到如下结果：

nameid
			age
		zha...]]></description><category></category></item><item><title><![CDATA[Can't connect to MySQL server on '127.0.0.1' (10061) 错误的一个解决方法]]></title><link>https://blog.youkuaiyun.com/dlwsd_/article/details/84934523</link><guid>https://blog.youkuaiyun.com/dlwsd_/article/details/84934523</guid><author>dlwsd_</author><pubDate>Mon, 10 Dec 2018 08:46:46 +0800</pubDate><description><![CDATA[昨天在运行mariadb 数据库的时候，移动硬盘不小心断开了，我的数据库是安装在移动硬盘上的。我把移动硬盘插好之后，重新打开数据库的时候出错：Can't connect to MySQL server on '127.0.0.1' (10061)。如下图：



我的解决方法是：

首先，此电脑--右键--管理 ，打开 计算机管理，找到 服务和应用程序，双击。



然后，找到 服务，双击。下拉找...]]></description><category></category></item><item><title><![CDATA[在winPython下安装xgboost]]></title><link>https://blog.youkuaiyun.com/dlwsd_/article/details/84204122</link><guid>https://blog.youkuaiyun.com/dlwsd_/article/details/84204122</guid><author>dlwsd_</author><pubDate>Sun, 18 Nov 2018 20:57:26 +0800</pubDate><description><![CDATA[在winpython环境下的spyder中 import xgboost 时报错：ModuleNotFoundError: No module named 'xgboost'。于是查了资料，参考博客https://blog.youkuaiyun.com/dongyanwen6036/article/details/78860915，安装了xgboost之后，在spyder中 import xgboost依然报...]]></description><category></category></item><item><title><![CDATA[C++ 反转vector指定下标之间的元素]]></title><link>https://blog.youkuaiyun.com/dlwsd_/article/details/84147154</link><guid>https://blog.youkuaiyun.com/dlwsd_/article/details/84147154</guid><author>dlwsd_</author><pubDate>Fri, 16 Nov 2018 23:24:58 +0800</pubDate><description><![CDATA[反转指定下标（i 到 j）之间的元素，包括位置i和j对应的元素;
#include &amp;lt;iostream&amp;gt;
#include &amp;lt;vector&amp;gt;
using namespace std;
int main() {
    vector&amp;lt;int&amp;gt;vec = { 1,2,3,4,5,6,7,8 };
    int i, j;
    i = 2; j = 6;
   ...]]></description><category></category></item><item><title><![CDATA[查看手机framework-res.apk文件]]></title><link>https://blog.youkuaiyun.com/dlwsd_/article/details/81036772</link><guid>https://blog.youkuaiyun.com/dlwsd_/article/details/81036772</guid><author>dlwsd_</author><pubDate>Fri, 13 Jul 2018 19:48:39 +0800</pubDate><description><![CDATA[正常是在手机的/system/framework下面，不过我用手机自带的文件管理找到system文件夹，发现里面没有framework文件夹，只有一个tmp文件夹。我的解决办法是：下载一个RE文件管理器，就可以在/system/framework里面找到framework-res.apk文件了。...]]></description><category></category></item></channel></rss>