<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[dldldltty的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/dldldltty</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; dldldltty]]></copyright><item><title><![CDATA[操作系统八股]]></title><link>https://blog.youkuaiyun.com/dldldltty/article/details/146286299</link><guid>https://blog.youkuaiyun.com/dldldltty/article/details/146286299</guid><author>dldldltty</author><pubDate>Sun, 16 Mar 2025 10:18:50 +0800</pubDate><description><![CDATA[1.虚拟内存空间：为了在多进程环境下，使得进程之间的内存地址不受影响，相互隔离，于是操作系统就为每个进程独⽴分配⼀套虚拟地址空间。每个程序只关⼼⾃⼰的虚拟地址就可以，实际上⼤家的虚拟地址都是⼀样的，但分布到物理地址内存是不⼀样的。2.内存交换技术：每个进程都有⾃⼰的虚拟空间，⽽物理内存只有⼀个，所以当启⽤了⼤量的进程，物理内存必然会很紧张，于是操作系统会通过内存交换技术，把不常使⽤的内存暂时存放到硬盘（换出），在需要的时候再装载回物理内存（换⼊）。3.虚拟地址映射到物理地址（系统维护）]]></description><category></category></item><item><title><![CDATA[计算机网络相关]]></title><link>https://blog.youkuaiyun.com/dldldltty/article/details/146116849</link><guid>https://blog.youkuaiyun.com/dldldltty/article/details/146116849</guid><author>dldldltty</author><pubDate>Thu, 13 Mar 2025 11:44:34 +0800</pubDate><description><![CDATA[如果接收方没有能力接收数据，就会将接收窗口设置为0，这时发送方必须暂停发送数据，但是会启动一个持续计时器(persistence timer)，到期后发送一个大小为1字节的探测数据包，以查看接收窗口状态。如果接收方能够接收数据，就会在返回的报文中更新接收窗口大小，恢复数据传送。]]></description><category></category></item><item><title><![CDATA[c++提高]]></title><link>https://blog.youkuaiyun.com/dldldltty/article/details/140163247</link><guid>https://blog.youkuaiyun.com/dldldltty/article/details/140163247</guid><author>dldldltty</author><pubDate>Mon, 15 Jul 2024 22:00:55 +0800</pubDate><description><![CDATA[学习目标：vector中存放自定义数据类型，并打印输出it是个指针 *it是<>里面的内容，由此来进行判断public:int m_Age;//*it的数据类型看<>里面 这里*it 是Person 因此可以利用.索引属性//还可以it->m_Name 因为it是指针it!= v.end();it++)cout << "姓名： " << (*it).m_Name << " 年龄：" << (*it).m_Age << endl;it!= v.end();]]></description><category></category></item><item><title><![CDATA[C++核心编程]]></title><link>https://blog.youkuaiyun.com/dldldltty/article/details/139707425</link><guid>https://blog.youkuaiyun.com/dldldltty/article/details/139707425</guid><author>dldldltty</author><pubDate>Tue, 25 Jun 2024 20:49:54 +0800</pubDate><description><![CDATA[函数名可以相同，提高复用性同一个作用域下函数名称相同函数参数类型不同或者个数不同或者顺序不同函数的返回值不可以作为函数重载的条件//函数重载需要函数都在同一个作用域下cout << "func 的调用！" << endl;cout << "func (int a) 的调用！" << endl;cout << "func (double a)的调用！" << endl;cout << "func (int a ,double b) 的调用！" << endl;]]></description><category></category></item><item><title><![CDATA[C++基础部分]]></title><link>https://blog.youkuaiyun.com/dldldltty/article/details/139248763</link><guid>https://blog.youkuaiyun.com/dldldltty/article/details/139248763</guid><author>dldldltty</author><pubDate>Fri, 31 May 2024 11:36:25 +0800</pubDate><description><![CDATA[利用sizeof关键字可以==统计数据类型所占内存大小所谓数组，就是一个集合，里面存放了相同类型的数据元素数组中的每个==数据元素都是相同的数据类型==数组是由==连续的内存==位置组成的5.2一维数组5.2.1一维数组定义方式1）数据类型 数组名[ 数组长度 ];//后面定义2）数据类型 数组名[ 数组长度 ] = { 值1，值2 ...};//未满用0补上3）数据类型 数组名[ ] = { 值1，值2 ...};//后面多少前面长度就多少//定义方式1//数据类型 数组名[元素个数];]]></description><category></category></item><item><title><![CDATA[C语言 笔记]]></title><link>https://blog.youkuaiyun.com/dldldltty/article/details/138130131</link><guid>https://blog.youkuaiyun.com/dldldltty/article/details/138130131</guid><author>dldldltty</author><pubDate>Sun, 12 May 2024 22:13:27 +0800</pubDate><description><![CDATA[1.内存与外存内存：RAM（沟通CPU与硬盘得桥梁）暂存放CPU中的运算数据暂存与硬盘等外部存储器交换的数据外存：ROM2.物理存储器和存储地址空间物理存储器：实际存在的具体存储器芯片。（内存条）存储地址空间：对存储器编码的范围。1）编码：对每个物理存储单元（一个字节）分配一个号码2）寻址：可以根据分配的号码找到相应的存储单元，完成数据的读写3.内存地址：编码就是对内存的每一个字节分配一个32位或64位的编号（与32位或者64位处理器相关）1）char:占一个字节分配一个地址。]]></description><category></category></item><item><title><![CDATA[数据可视化-地图可视化]]></title><link>https://blog.youkuaiyun.com/dldldltty/article/details/128759611</link><guid>https://blog.youkuaiyun.com/dldldltty/article/details/128759611</guid><author>dldldltty</author><pubDate>Wed, 25 Jan 2023 10:38:57 +0800</pubDate><description><![CDATA[数据可视化-地图可视化]]></description><category></category></item><item><title><![CDATA[数据可视化 - 折线图可视化]]></title><link>https://blog.youkuaiyun.com/dldldltty/article/details/128744173</link><guid>https://blog.youkuaiyun.com/dldldltty/article/details/128744173</guid><author>dldldltty</author><pubDate>Fri, 20 Jan 2023 23:14:26 +0800</pubDate><description><![CDATA[数据可视化 - 折线图可视化]]></description><category></category></item><item><title><![CDATA[第九章：Python异常、模块与包]]></title><link>https://blog.youkuaiyun.com/dldldltty/article/details/128733880</link><guid>https://blog.youkuaiyun.com/dldldltty/article/details/128733880</guid><author>dldldltty</author><pubDate>Fri, 20 Jan 2023 21:56:05 +0800</pubDate><description><![CDATA[第九章：Python异常、模块与包]]></description><category></category></item><item><title><![CDATA[第八章：python文件操作]]></title><link>https://blog.youkuaiyun.com/dldldltty/article/details/128720869</link><guid>https://blog.youkuaiyun.com/dldldltty/article/details/128720869</guid><author>dldldltty</author><pubDate>Tue, 17 Jan 2023 22:35:14 +0800</pubDate><description><![CDATA[第八章：python文件操作]]></description><category></category></item><item><title><![CDATA[第七章：python函数进阶]]></title><link>https://blog.youkuaiyun.com/dldldltty/article/details/128718093</link><guid>https://blog.youkuaiyun.com/dldldltty/article/details/128718093</guid><author>dldldltty</author><pubDate>Tue, 17 Jan 2023 17:16:49 +0800</pubDate><description><![CDATA[第七章：python函数进阶]]></description><category></category></item><item><title><![CDATA[第六章：python数据容器]]></title><link>https://blog.youkuaiyun.com/dldldltty/article/details/128695806</link><guid>https://blog.youkuaiyun.com/dldldltty/article/details/128695806</guid><author>dldldltty</author><pubDate>Tue, 17 Jan 2023 11:49:45 +0800</pubDate><description><![CDATA[第六章：python数据容器]]></description><category></category></item><item><title><![CDATA[第五章：python函数]]></title><link>https://blog.youkuaiyun.com/dldldltty/article/details/128683517</link><guid>https://blog.youkuaiyun.com/dldldltty/article/details/128683517</guid><author>dldldltty</author><pubDate>Sun, 15 Jan 2023 11:25:08 +0800</pubDate><description><![CDATA[第五章：python函数]]></description><category></category></item><item><title><![CDATA[第四章：python循环语句]]></title><link>https://blog.youkuaiyun.com/dldldltty/article/details/128679913</link><guid>https://blog.youkuaiyun.com/dldldltty/article/details/128679913</guid><author>dldldltty</author><pubDate>Sat, 14 Jan 2023 11:24:12 +0800</pubDate><description><![CDATA[第四章：python循环语句]]></description><category></category></item><item><title><![CDATA[第三章：python判断语句]]></title><link>https://blog.youkuaiyun.com/dldldltty/article/details/128656778</link><guid>https://blog.youkuaiyun.com/dldldltty/article/details/128656778</guid><author>dldldltty</author><pubDate>Fri, 13 Jan 2023 11:30:07 +0800</pubDate><description><![CDATA[第三章：python判断语句]]></description><category></category></item><item><title><![CDATA[第二章：Python基础语法]]></title><link>https://blog.youkuaiyun.com/dldldltty/article/details/128621261</link><guid>https://blog.youkuaiyun.com/dldldltty/article/details/128621261</guid><author>dldldltty</author><pubDate>Thu, 12 Jan 2023 10:58:39 +0800</pubDate><description><![CDATA[python学习（第二章）]]></description><category></category></item></channel></rss>