<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[CL2426的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/CL2426</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; CL2426]]></copyright><item><title><![CDATA[【无标题】]]></title><link>https://blog.youkuaiyun.com/CL2426/article/details/157587023</link><guid>https://blog.youkuaiyun.com/CL2426/article/details/157587023</guid><author>CL2426</author><pubDate>Sat, 31 Jan 2026 20:22:58 +0800</pubDate><description><![CDATA[]]></description><category></category></item><item><title><![CDATA[【无标题】]]></title><link>https://blog.youkuaiyun.com/CL2426/article/details/140632582</link><guid>https://blog.youkuaiyun.com/CL2426/article/details/140632582</guid><author>CL2426</author><pubDate>Tue, 23 Jul 2024 12:27:33 +0800</pubDate><description><![CDATA[我是黑体字当春乃发生123123123123123。]]></description><category></category></item><item><title><![CDATA[Shell脚本编程--Day3]]></title><link>https://blog.youkuaiyun.com/CL2426/article/details/130966540</link><guid>https://blog.youkuaiyun.com/CL2426/article/details/130966540</guid><author>CL2426</author><pubDate>Thu, 01 Jun 2023 23:31:49 +0800</pubDate><description><![CDATA[shell脚本编程基础]]></description><category></category></item><item><title><![CDATA[Shell脚本编程入门--Day2]]></title><link>https://blog.youkuaiyun.com/CL2426/article/details/130763549</link><guid>https://blog.youkuaiyun.com/CL2426/article/details/130763549</guid><author>CL2426</author><pubDate>Fri, 19 May 2023 21:31:56 +0800</pubDate><description><![CDATA[shell脚本编程基础内容]]></description><category></category></item><item><title><![CDATA[C++刷题--选择题4]]></title><link>https://blog.youkuaiyun.com/CL2426/article/details/130732514</link><guid>https://blog.youkuaiyun.com/CL2426/article/details/130732514</guid><author>CL2426</author><pubDate>Wed, 17 May 2023 22:52:21 +0800</pubDate><description><![CDATA[刷题累了来看一下把]]></description><category></category></item><item><title><![CDATA[Shell脚本编程入门--Day1]]></title><link>https://blog.youkuaiyun.com/CL2426/article/details/130478364</link><guid>https://blog.youkuaiyun.com/CL2426/article/details/130478364</guid><author>CL2426</author><pubDate>Thu, 04 May 2023 09:42:24 +0800</pubDate><description><![CDATA[shell脚本入门]]></description><category></category></item><item><title><![CDATA[C++刷题--选择题3]]></title><link>https://blog.youkuaiyun.com/CL2426/article/details/130395572</link><guid>https://blog.youkuaiyun.com/CL2426/article/details/130395572</guid><author>CL2426</author><pubDate>Wed, 26 Apr 2023 23:40:03 +0800</pubDate><description><![CDATA[常见笔试题的选择题，刷题累了的兄弟们呢来看看把]]></description><category></category></item><item><title><![CDATA[C++刷题--编程题]]></title><link>https://blog.youkuaiyun.com/CL2426/article/details/130277358</link><guid>https://blog.youkuaiyun.com/CL2426/article/details/130277358</guid><author>CL2426</author><pubDate>Fri, 21 Apr 2023 23:16:02 +0800</pubDate><description><![CDATA[一份非常easy的编程题，适合入门的老铁看]]></description><category></category></item><item><title><![CDATA[C++刷题--选择题2]]></title><link>https://blog.youkuaiyun.com/CL2426/article/details/130275284</link><guid>https://blog.youkuaiyun.com/CL2426/article/details/130275284</guid><author>CL2426</author><pubDate>Thu, 20 Apr 2023 22:08:59 +0800</pubDate><description><![CDATA[刷题刷累了的兄弟们，来看看选择题休息一下把]]></description><category></category></item><item><title><![CDATA[C++刷题--选择题1]]></title><link>https://blog.youkuaiyun.com/CL2426/article/details/130163827</link><guid>https://blog.youkuaiyun.com/CL2426/article/details/130163827</guid><author>CL2426</author><pubDate>Mon, 17 Apr 2023 23:20:12 +0800</pubDate><description><![CDATA[笔试常见的经典笔试题， 刷算法题累了的老铁们可以看一下舒缓一波心情~]]></description><category></category></item><item><title><![CDATA[C++面经总结4]]></title><link>https://blog.youkuaiyun.com/CL2426/article/details/129907110</link><guid>https://blog.youkuaiyun.com/CL2426/article/details/129907110</guid><author>CL2426</author><pubDate>Sun, 02 Apr 2023 10:47:18 +0800</pubDate><description><![CDATA[序号---->保证了报文的到达的顺序确认序号—>保证了报文已经被接受。超时重传—>保证了报文必须被应答。当主机A发送数据给主机B的时候， 由于一些原因，可能无法按时到达主机B，经过一个特定的时间间隔，如果一直没有收到应答，就会进行重发。这个时间间隔一般都是浮动的， 在Linux操作系统下， 一般是500ms，重传一次， 2 * 500ms ,  重传2次，4倍的500ms，3次是8倍500ms，经过一定的次数，认为网络或者对端主机出现问题，则强制关闭连接。]]></description><category></category></item><item><title><![CDATA[C++面经总结3]]></title><link>https://blog.youkuaiyun.com/CL2426/article/details/129786701</link><guid>https://blog.youkuaiyun.com/CL2426/article/details/129786701</guid><author>CL2426</author><pubDate>Sun, 26 Mar 2023 23:46:58 +0800</pubDate><description><![CDATA[有一个数字n，现在想把这个数字拆成两个非负整数a和b，使得a + b=n，对于每一种方案，我们定义。其中s(x)代表x的数位和，例如数字×= 1234，那么s(x)= 1+2+3+4 = 10。3， 协程极高的执行效率，因为子程序的切换并不是线程切换，没有线程切换的开销，它完全由用户程。4， 协程是不需要加锁， 因为只有一个线程，所以控制共享资源的时候只用判断状态就可以。2，一个线程就是执行一个子程序，子程序的调用是一个入口，一次返回，调用顺序明确。1，协程是一种比线程更加轻量级的存在。]]></description><category></category></item><item><title><![CDATA[C++面经总结2]]></title><link>https://blog.youkuaiyun.com/CL2426/article/details/129651273</link><guid>https://blog.youkuaiyun.com/CL2426/article/details/129651273</guid><author>CL2426</author><pubDate>Sun, 19 Mar 2023 16:22:14 +0800</pubDate><description><![CDATA[例如 ： 用浅拷贝string类的对象的时候，它仅仅是拷贝了一份指针，资源字符串没有进行拷贝，拷贝出来的对象中的char*指针指向和被拷贝   对象存储的地址一样，也就是他们指向同一块资源。CPU缓存污染 ： 就是将不必要的数据加载到了缓存中，降低CPU处理数据的效率， 例如顺序表，当我们只用访问1个元素的时候，CPU会将它以及向后的一段连续空   间的数据也加载到缓存中。多态又分为静态的多态和动态的多态。虚函数，会直接替换自己虚表的虚函数， 当父类的指针和引用指向子类对象， 并且调用虚函数的时候，]]></description><category></category></item><item><title><![CDATA[C++面经总结1]]></title><link>https://blog.youkuaiyun.com/CL2426/article/details/129540426</link><guid>https://blog.youkuaiyun.com/CL2426/article/details/129540426</guid><author>CL2426</author><pubDate>Tue, 14 Mar 2023 21:30:24 +0800</pubDate><description><![CDATA[当子类继承父类的时候，子类会首先拷贝父类的虚函数表到自己的虚函数表中，然后子类如果重写了就替换掉，有新增则直接在虚表的后面    追加即可。当用父类的指针和引用（但是指向子类对象的时候），它实际上会通过子类的虚表指针到子类的虚表中去找虚函数。并且父类的改变也可能会导致子类的改变，类和类之间依赖程度高，高耦合。可扩展 ： 上面这种通过虚函数产生的多态我们称为动态的多态， 实际上多态又分为静态的多态和动态的多态。发送开始的时候，定义拥塞窗口的大小为1，每次发送数据报的时候，取拥塞窗口和接受方的窗口。]]></description><category></category></item><item><title><![CDATA[C++进阶--二叉树编程题]]></title><link>https://blog.youkuaiyun.com/CL2426/article/details/129224176</link><guid>https://blog.youkuaiyun.com/CL2426/article/details/129224176</guid><author>CL2426</author><pubDate>Mon, 27 Feb 2023 22:27:11 +0800</pubDate><description><![CDATA[二叉树进阶编程题]]></description><category></category></item><item><title><![CDATA[mysql核心知识-----索引]]></title><link>https://blog.youkuaiyun.com/CL2426/article/details/128634295</link><guid>https://blog.youkuaiyun.com/CL2426/article/details/128634295</guid><author>CL2426</author><pubDate>Tue, 10 Jan 2023 19:41:40 +0800</pubDate><description><![CDATA[mysql核心知识-----索引  （核心理论部分） ]]></description><category></category></item><item><title><![CDATA[Linux基础------高级IO]]></title><link>https://blog.youkuaiyun.com/CL2426/article/details/128438343</link><guid>https://blog.youkuaiyun.com/CL2426/article/details/128438343</guid><author>CL2426</author><pubDate>Sat, 31 Dec 2022 18:38:05 +0800</pubDate><description><![CDATA[高级IO的概念性知识]]></description><category></category></item><item><title><![CDATA[回溯3-----BFS（一石激起千层浪）]]></title><link>https://blog.youkuaiyun.com/CL2426/article/details/128304548</link><guid>https://blog.youkuaiyun.com/CL2426/article/details/128304548</guid><author>CL2426</author><pubDate>Wed, 14 Dec 2022 18:16:07 +0800</pubDate><description><![CDATA[回溯-----BFS]]></description><category></category></item><item><title><![CDATA[数据链路层]]></title><link>https://blog.youkuaiyun.com/CL2426/article/details/128291360</link><guid>https://blog.youkuaiyun.com/CL2426/article/details/128291360</guid><author>CL2426</author><pubDate>Tue, 13 Dec 2022 16:36:15 +0800</pubDate><description><![CDATA[数据链路层 + 网络核心知识汇总]]></description><category></category></item><item><title><![CDATA[网络基础------IP协议]]></title><link>https://blog.youkuaiyun.com/CL2426/article/details/128267787</link><guid>https://blog.youkuaiyun.com/CL2426/article/details/128267787</guid><author>CL2426</author><pubDate>Sat, 10 Dec 2022 20:48:51 +0800</pubDate><description><![CDATA[网络层---ip协议详解]]></description><category></category></item></channel></rss>