<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Excel_lent的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/Excel_lent</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Excel_lent]]></copyright><item><title><![CDATA[为啥我的edgecloudsim用matlab绘图是直线]]></title><link>https://blog.youkuaiyun.com/Excel_lent/article/details/129624115</link><guid>https://blog.youkuaiyun.com/Excel_lent/article/details/129624115</guid><author>Excel_lent</author><pubDate>Fri, 17 Mar 2023 16:52:47 +0800</pubDate><description><![CDATA[我的matlab运行后是这样为啥呀，路径我也改成日志的了。plotGenericResult文件。plotAvgFailedTask文件。]]></description><category></category></item><item><title><![CDATA[pycharm 连接数据库报错]]></title><link>https://blog.youkuaiyun.com/Excel_lent/article/details/109165411</link><guid>https://blog.youkuaiyun.com/Excel_lent/article/details/109165411</guid><author>Excel_lent</author><pubDate>Mon, 19 Oct 2020 17:47:23 +0800</pubDate><description><![CDATA[pycharm 连接数据库报错
请问出现下面报错是什么原因呢，数据库已连接，运行后就这样了

C:\Users\MACHENIKE\PycharmProjects\untitled9\venv\Scripts\python.exe C:/Users/MACHENIKE/PycharmProjects/untitled11/venv/Online-Bookstore-Management-System-master/v1.0/Book_informationUI.py
Traceback (most rec.]]></description><category></category></item><item><title><![CDATA[数据库码的概念，全码的例子与范式的联系]]></title><link>https://blog.youkuaiyun.com/Excel_lent/article/details/106291399</link><guid>https://blog.youkuaiyun.com/Excel_lent/article/details/106291399</guid><author>Excel_lent</author><pubDate>Fri, 22 May 2020 21:35:46 +0800</pubDate><description><![CDATA[请问下各位大佬，在某个关系模式中，如果每个属性都能唯一标识一个元组。例如在A（身份证号，员工编号，指纹）中。这是一个全码吗？是所有属性组成一个码还是所有属性都是码

]]></description><category></category></item><item><title><![CDATA[数据结构指针指向问题]]></title><link>https://blog.youkuaiyun.com/Excel_lent/article/details/105351590</link><guid>https://blog.youkuaiyun.com/Excel_lent/article/details/105351590</guid><author>Excel_lent</author><pubDate>Mon, 06 Apr 2020 21:20:05 +0800</pubDate><description><![CDATA[数据结构单链表指针指向基础问题
L在数据结构中一般是作为链表头节点的指针，p=L，将P指针也指向头节点。
L-&gt;next有两层含义，可以表示L的后继节点指针，又可表示L的指针域，（补充：链表每个节点分为数据域和指针域，（单链表的指针域只有后继指针域，双链表的指针域分为前趋指针域和后继指针域））。第一，当它在等号右边时（即X = L-&gt;next形式）一般是指将X指针指向头节点L的后一个节...]]></description><category></category></item></channel></rss>