<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Sivan56的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/Sivan56</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Sivan56]]></copyright><item><title><![CDATA[克隆环境-conda 服务器克隆环境]]></title><link>https://blog.youkuaiyun.com/Sivan56/article/details/140173577</link><guid>https://blog.youkuaiyun.com/Sivan56/article/details/140173577</guid><author>Sivan56</author><pubDate>Thu, 04 Jul 2024 10:49:58 +0800</pubDate><description><![CDATA[【代码】克隆环境-conda 服务器克隆环境。]]></description><category></category></item><item><title><![CDATA[Python导入模块时出现ImportError: cannot import name ‘Mapping’ from ‘collections’ 的问题：]]></title><link>https://blog.youkuaiyun.com/Sivan56/article/details/134146325</link><guid>https://blog.youkuaiyun.com/Sivan56/article/details/134146325</guid><author>Sivan56</author><pubDate>Tue, 31 Oct 2023 18:11:51 +0800</pubDate><description><![CDATA[原因分析：无法从“集合”导入名称“映射”，因为Python3.10版本以后对requests 库进行调整，collections中不能直接调用方法Mapping，MutableMapping。将E:\Anaconda\Lib\collections__.py  (我的anaconda安装路径在这)]]></description><category></category></item><item><title><![CDATA[Python中的广播机制]]></title><link>https://blog.youkuaiyun.com/Sivan56/article/details/134115897</link><guid>https://blog.youkuaiyun.com/Sivan56/article/details/134115897</guid><author>Sivan56</author><pubDate>Mon, 30 Oct 2023 11:39:22 +0800</pubDate><description><![CDATA[python中的广播机制，点击跳转]]></description><category></category></item><item><title><![CDATA[python虚拟环境的创建等命令]]></title><link>https://blog.youkuaiyun.com/Sivan56/article/details/133888399</link><guid>https://blog.youkuaiyun.com/Sivan56/article/details/133888399</guid><author>Sivan56</author><pubDate>Tue, 17 Oct 2023 17:08:35 +0800</pubDate><description><![CDATA[【代码】python虚拟环境的创建等命令。]]></description><category></category></item><item><title><![CDATA[anaconda进入虚拟环境]]></title><link>https://blog.youkuaiyun.com/Sivan56/article/details/133317608</link><guid>https://blog.youkuaiyun.com/Sivan56/article/details/133317608</guid><author>Sivan56</author><pubDate>Tue, 26 Sep 2023 17:29:38 +0800</pubDate><description><![CDATA[jupyter学习笔记]]></description><category></category></item><item><title><![CDATA[pip临时使用清华源]]></title><link>https://blog.youkuaiyun.com/Sivan56/article/details/133314916</link><guid>https://blog.youkuaiyun.com/Sivan56/article/details/133314916</guid><author>Sivan56</author><pubDate>Tue, 26 Sep 2023 16:35:10 +0800</pubDate><description><![CDATA[pip install -i https://pypi.tuna.tsinghua.edu.cn/simple some-package]]></description><category></category></item><item><title><![CDATA[Machine_Learning_Study_day1]]></title><link>https://blog.youkuaiyun.com/Sivan56/article/details/133128161</link><guid>https://blog.youkuaiyun.com/Sivan56/article/details/133128161</guid><author>Sivan56</author><pubDate>Thu, 21 Sep 2023 14:10:23 +0800</pubDate><description><![CDATA[3Q!^ _^]]></description><category></category></item><item><title><![CDATA[4 |复杂度分析（下）：浅析最好，最坏，平均，均摊时间复杂度]]></title><link>https://blog.youkuaiyun.com/Sivan56/article/details/126815841</link><guid>https://blog.youkuaiyun.com/Sivan56/article/details/126815841</guid><author>Sivan56</author><pubDate>Mon, 12 Sep 2022 12:39:31 +0800</pubDate><description><![CDATA[转载自他人博客]]></description><category></category></item><item><title><![CDATA[端口占用问题解决方法（没试过，先记着）]]></title><link>https://blog.youkuaiyun.com/Sivan56/article/details/123118322</link><guid>https://blog.youkuaiyun.com/Sivan56/article/details/123118322</guid><author>Sivan56</author><pubDate>Thu, 24 Feb 2022 18:47:26 +0800</pubDate><description><![CDATA[]]></description><category></category></item><item><title><![CDATA[查找进程以及杀掉进程]]></title><link>https://blog.youkuaiyun.com/Sivan56/article/details/122699125</link><guid>https://blog.youkuaiyun.com/Sivan56/article/details/122699125</guid><author>Sivan56</author><pubDate>Wed, 26 Jan 2022 12:15:11 +0800</pubDate><description><![CDATA[]]></description><category></category></item><item><title><![CDATA[进制转换与原码反码补码移码与浮点数计算与相关知识]]></title><link>https://blog.youkuaiyun.com/Sivan56/article/details/120077427</link><guid>https://blog.youkuaiyun.com/Sivan56/article/details/120077427</guid><author>Sivan56</author><pubDate>Fri, 03 Sep 2021 13:14:13 +0800</pubDate><description><![CDATA[进制转换相关知识
1.二进制转十进制，八进制，十六进制的方法

按权展开的方法
例如将以下这个二进制转换为十进制：
( 1011.01 )B=1∗201*2^01∗20 + 1∗211*2^11∗21 + 0∗220*2^20∗22 + 1∗231*2^31∗23 + 0∗2−10*2^{-1}0∗2−1 + 1∗2−21*2^{-2}1∗2−2 = (11.25)D
notice：
2i2^i2i为权，2为基（基就是指各种进位技术中允许选用基本数码的个数，也就是几进制就是几），同理二进制转化为八进制，将基]]></description><category></category></item><item><title><![CDATA[关于原码、反码、补码取值范围的问题]]></title><link>https://blog.youkuaiyun.com/Sivan56/article/details/120044357</link><guid>https://blog.youkuaiyun.com/Sivan56/article/details/120044357</guid><author>Sivan56</author><pubDate>Wed, 01 Sep 2021 17:11:26 +0800</pubDate><description><![CDATA[关于原码、反码、补码取值范围的问题
原码

整数X的原码其数符位0表示正，1表示负；其数值部分就是X绝对值的二进制表示
例如：
​	[+1]原码=00000001；[-1]原码=10000001
​	 [+127]原码=01111111; [-127]原码=11111111
关于八位二进制，由于第一位是符号位，所以从负到正为11111111~01111111
故原码范围为-127到128，关于为什么01111111表示127，我们知道八位，2^7=10000000，表示的是128，注意几次方就有几个0
因此]]></description><category></category></item><item><title><![CDATA[shell脚本的if语句]]></title><link>https://blog.youkuaiyun.com/Sivan56/article/details/110746280</link><guid>https://blog.youkuaiyun.com/Sivan56/article/details/110746280</guid><author>Sivan56</author><pubDate>Sun, 06 Dec 2020 17:05:57 +0800</pubDate><description><![CDATA[#!/bin/bash
echo "please input a string"
read str
if [ -z "$str" ];then
 echo "null"
else echo "not null"
fi

记住 if 里面的条件阔后左右都要有空格，不然就会当作同一个字符解析，这样就会出错

]]></description><category></category></item><item><title><![CDATA[什么时候用request转发什么时候用response重定向]]></title><link>https://blog.youkuaiyun.com/Sivan56/article/details/110295092</link><guid>https://blog.youkuaiyun.com/Sivan56/article/details/110295092</guid><author>Sivan56</author><pubDate>Sat, 28 Nov 2020 22:33:59 +0800</pubDate><description><![CDATA[这个东西我也搞不太清，但是我就是有种感觉：
当要跳转到jsp时就用request转发，因为转发到的jsp中会用到EL表达式，因为EL表达式要用到request域中的键值。
而跳转到servlet则用response的重定向。似乎不用涉及到request域中的数据
如果有大佬知道为什么求告知~

...]]></description><category></category></item><item><title><![CDATA[idea上Tomcat无法部署]]></title><link>https://blog.youkuaiyun.com/Sivan56/article/details/110246673</link><guid>https://blog.youkuaiyun.com/Sivan56/article/details/110246673</guid><author>Sivan56</author><pubDate>Fri, 27 Nov 2020 21:02:56 +0800</pubDate><description><![CDATA[兄弟，如果你看到了我这篇博客，如果你能百分百100percent确定你的代码没有错误！！你试着关闭idea再重新打开！就会正常了，我是这样的。目前未知原因，，各位大佬如果直到原因评论回复一下我。。。。。

...]]></description><category></category></item><item><title><![CDATA[接口（API）的理解]]></title><link>https://blog.youkuaiyun.com/Sivan56/article/details/110022049</link><guid>https://blog.youkuaiyun.com/Sivan56/article/details/110022049</guid><author>Sivan56</author><pubDate>Tue, 24 Nov 2020 00:38:08 +0800</pubDate><description><![CDATA[点此跳转详解（感谢知乎网友的回答）

]]></description><category></category></item><item><title><![CDATA[HTTP中的重定向和请求转发的区别]]></title><link>https://blog.youkuaiyun.com/Sivan56/article/details/109984588</link><guid>https://blog.youkuaiyun.com/Sivan56/article/details/109984588</guid><author>Sivan56</author><pubDate>Mon, 23 Nov 2020 10:19:13 +0800</pubDate><description><![CDATA[一、调用方式
我们知道，在servlet中调用转发、重定向的语句如下：
request.getRequestDispatcher("new.jsp").forward(request, response);//转发`到new.jsp
response.sendRedirect("new.jsp");//重定向到new.jsp

在jsp页面中你也会看到通过下面的方式实现转发：
&lt;jsp:forward page="apage.jsp" /&gt;

当然也可以在jsp页面中实现重定向：
&lt;%re]]></description><category></category></item><item><title><![CDATA[WinDynamicDesktop下载慢解决方法]]></title><link>https://blog.youkuaiyun.com/Sivan56/article/details/109779144</link><guid>https://blog.youkuaiyun.com/Sivan56/article/details/109779144</guid><author>Sivan56</author><pubDate>Wed, 18 Nov 2020 17:23:50 +0800</pubDate><description><![CDATA[迅雷用新建用这个网址下载，把网址汉字用你在软件里看的主题名称替换即可空格用_代替。
https://bitbucket.org/t1m0thyj/wdd-themes/downloads/主题名遇到空格用_代替.ddw


]]></description><category></category></item><item><title><![CDATA[无意间发现一个关于人工智能的帖子]]></title><link>https://blog.youkuaiyun.com/Sivan56/article/details/109748489</link><guid>https://blog.youkuaiyun.com/Sivan56/article/details/109748489</guid><author>Sivan56</author><pubDate>Tue, 17 Nov 2020 17:57:54 +0800</pubDate><description><![CDATA[看起来挺有趣的，先存储着，有机会看链接在这

https://www.captainbed.net/


]]></description><category></category></item><item><title><![CDATA[https://wenku.baidu.com/view/16f65f4cb207e87101f69e3143323968011cf4b0.html]]></title><link>https://blog.youkuaiyun.com/Sivan56/article/details/109721759</link><guid>https://blog.youkuaiyun.com/Sivan56/article/details/109721759</guid><author>Sivan56</author><pubDate>Mon, 16 Nov 2020 15:09:19 +0800</pubDate><description><![CDATA[数据流图课程实验模板

]]></description><category></category></item></channel></rss>