<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[pengda63的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/pengda63</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; pengda63]]></copyright><item><title><![CDATA[cesium 实现瓦片地图贴模型、贴地]]></title><link>https://blog.youkuaiyun.com/pengda63/article/details/148059979</link><guid>https://blog.youkuaiyun.com/pengda63/article/details/148059979</guid><author>pengda63</author><pubDate>Mon, 19 May 2025 12:07:06 +0800</pubDate><description><![CDATA[本文介绍了如何通过劫持Cesium的瓦片销毁和加载方法，实现资源回收和瓦片展示。实现了瓦片贴模型的核心功能。最后，提供了在HTML中引用相关JS文件并添加代码的示例，展示了如何在实际项目中使用这些功能。]]></description><category></category></item><item><title><![CDATA[高德地图SDK加载WGS84坐标系瓦片的技术实现]]></title><link>https://blog.youkuaiyun.com/pengda63/article/details/145363664</link><guid>https://blog.youkuaiyun.com/pengda63/article/details/145363664</guid><author>pengda63</author><pubDate>Sun, 26 Jan 2025 09:48:44 +0800</pubDate><description><![CDATA[/ GCJ-02 到 WGS-84 的坐标转换方法// 坐标转换的辅助方法// 纬度转换的辅助方法return ret;// 经度转换的辅助方法return ret;/*** 将经纬度转换为瓦片坐标 (x, y)* @param {number} lon - 经度* @param {number} lat - 纬度* @param {number} z - 瓦片层级 (缩放级别)]]></description><category></category></item><item><title><![CDATA[centos 7 安装glusterfs]]></title><link>https://blog.youkuaiyun.com/pengda63/article/details/143366129</link><guid>https://blog.youkuaiyun.com/pengda63/article/details/143366129</guid><author>pengda63</author><pubDate>Wed, 30 Oct 2024 15:21:02 +0800</pubDate><description><![CDATA[vi /etc/yum.repos.d/gluster-9.repo，新增如下内容。因为源的原因被折腾的够久，其实安装很简单，手动添加源。]]></description><category></category></item><item><title><![CDATA[mysql 8.0 空间索引无效问题]]></title><link>https://blog.youkuaiyun.com/pengda63/article/details/139090055</link><guid>https://blog.youkuaiyun.com/pengda63/article/details/139090055</guid><author>pengda63</author><pubDate>Tue, 21 May 2024 13:22:05 +0800</pubDate><description><![CDATA[默认的srid为0，一般不符合要求。但是mysql8可以插入任意srid的数据，很疑惑。1、修改空间字段的srid，如我用的是3857（这里会提示存在索引，叫你删除索引）之前的5.9都是ok，mysql8 需要指定srid才能升级。]]></description><category></category></item><item><title><![CDATA[vue 工程打包后，样式丢失，功能不正常]]></title><link>https://blog.youkuaiyun.com/pengda63/article/details/123500754</link><guid>https://blog.youkuaiyun.com/pengda63/article/details/123500754</guid><author>pengda63</author><pubDate>Tue, 15 Mar 2022 13:47:24 +0800</pubDate><description><![CDATA[找了半天，发现是content-type不对，默认配置中文件类型对应的content-type配置被删除，加上ok





字数不够，
]]></description><category></category></item><item><title><![CDATA[Out of sort memory, consider increasing server sort buffer size]]></title><link>https://blog.youkuaiyun.com/pengda63/article/details/119183558</link><guid>https://blog.youkuaiyun.com/pengda63/article/details/119183558</guid><author>pengda63</author><pubDate>Wed, 28 Jul 2021 16:28:15 +0800</pubDate><description><![CDATA[1、大部分说的是增加mysql sort buffer，可以解决问题

2、还有一种情况，是排序的字段没有索引，也会增加排序buffer的消耗，如果排序字段没有索引，可以考虑添加索引再测试
]]></description><category></category></item><item><title><![CDATA[ros core问题]]></title><link>https://blog.youkuaiyun.com/pengda63/article/details/106645465</link><guid>https://blog.youkuaiyun.com/pengda63/article/details/106645465</guid><author>pengda63</author><pubDate>Tue, 09 Jun 2020 16:35:39 +0800</pubDate><description><![CDATA[(gdb) bt
#0 0x00007ffff4cc3fea in __find_specmb (format=0x7ffff4601140 ").") at printf-parse.h:108
#1 __parse_one_specmb (format=format@entry=0x7ffff460113e "%d).", posn=posn@entry=0, spec=spec@entry=0x7fffd498d130, max_ref_arg=max_ref_arg@entry=0x7fffd4..]]></description><category></category></item><item><title><![CDATA[python 多线程上传海量文件到阿里云对象存储]]></title><link>https://blog.youkuaiyun.com/pengda63/article/details/105414207</link><guid>https://blog.youkuaiyun.com/pengda63/article/details/105414207</guid><author>pengda63</author><pubDate>Thu, 09 Apr 2020 16:45:36 +0800</pubDate><description><![CDATA[直接上代码,可以增加上传的速度，不然我几百万个文件要传到猴年马月。

问题是根据遍历的文件顺序取模给不同的线程处理实现，缺点就是上传的过程中文件夹的文件不能有新增或者删除。不然就全乱了。。。。后面再考虑其他方法吧


# -*- coding: utf-8 -*-
import oss2
import sys
import os
from urllib import parse
import th...]]></description><category></category></item><item><title><![CDATA[Program terminated with signal SIGKILL, Killed. The program no longer exists. 程序起不来]]></title><link>https://blog.youkuaiyun.com/pengda63/article/details/105292310</link><guid>https://blog.youkuaiyun.com/pengda63/article/details/105292310</guid><author>pengda63</author><pubDate>Fri, 03 Apr 2020 14:19:18 +0800</pubDate><description><![CDATA[改了一行代码又起来了，总之莫名其妙的问题。

后面查看系统日志，知道了是操作系统杀死的，将虚拟机的内存由原来的2g变为3g后ok。




]]></description><category></category></item><item><title><![CDATA[ftp客户端更新程序]]></title><link>https://blog.youkuaiyun.com/pengda63/article/details/51355660</link><guid>https://blog.youkuaiyun.com/pengda63/article/details/51355660</guid><author>pengda63</author><pubDate>Mon, 09 May 2016 20:00:04 +0800</pubDate><description><![CDATA[CFtpConnection*   m_pFtpConnection;
 CInternetSession* m_pInetSession = new CInternetSession( AfxGetAppName(), 1,
  PRE_CONFIG_INTERNET_ACCESS);
 try{
  m_pFtpConnection = m_pInetSession->
   Get]]></description><category></category></item></channel></rss>