<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Ran — 技术与途中所见</title><description>关于系统、代码、网络、阅读与旅行的长期笔记。</description><link>https://www.fromran.com/</link><language>zh-CN</language><item><title>Raspberry Pi 4B 起飞</title><link>https://www.fromran.com/2020/05/19/raspberrypi/</link><guid isPermaLink="true">https://www.fromran.com/2020/05/19/raspberrypi/</guid><description>从树莓派 2B+ 到 4B：一次围绕硬件选择、系统安装与上手体验的动手记录。</description><pubDate>Tue, 19 May 2020 14:36:50 GMT</pubDate></item><item><title>设计模式笔记</title><link>https://www.fromran.com/2020/05/18/designpatterns/</link><guid isPermaLink="true">https://www.fromran.com/2020/05/18/designpatterns/</guid><description>单例、工厂、观察者等常见设计模式的学习记录与实现要点。</description><pubDate>Sun, 17 May 2020 16:45:24 GMT</pubDate></item><item><title>一些常用的算法</title><link>https://www.fromran.com/2020/05/17/algorithm/</link><guid 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May 2020 15:49:52 GMT</pubDate></item><item><title>C++ 强制类型转换</title><link>https://www.fromran.com/2020/05/11/cppcasts/</link><guid isPermaLink="true">https://www.fromran.com/2020/05/11/cppcasts/</guid><description>整理 static_cast、dynamic_cast、const_cast 与 reinterpret_cast 的使用边界。</description><pubDate>Mon, 11 May 2020 10:46:28 GMT</pubDate></item><item><title>select、poll 与 epoll</title><link>https://www.fromran.com/2020/05/07/network007/</link><guid isPermaLink="true">https://www.fromran.com/2020/05/07/network007/</guid><description>从 DMA 与 I/O 模型出发，对比 select、poll 和 epoll 的机制与差异。</description><pubDate>Thu, 07 May 2020 15:26:49 GMT</pubDate></item><item><title>微信小程序开发笔记</title><link>https://www.fromran.com/2020/05/01/miniprogram/</link><guid isPermaLink="true">https://www.fromran.com/2020/05/01/miniprogram/</guid><description>关于弹性布局、响应式单位、生命周期与组件通信的小程序基础记录。</description><pubDate>Fri, 01 May 2020 08:25:02 GMT</pubDate></item><item><title>Socket 编程笔记</title><link>https://www.fromran.com/2020/04/28/network0/</link><guid isPermaLink="true">https://www.fromran.com/2020/04/28/network0/</guid><description>从 SMTP 与 Telnet 实验，到 TCP/UDP Socket 编程的基础实践。</description><pubDate>Mon, 27 Apr 2020 17:48:54 GMT</pubDate></item><item><title>计算机网络（一）：基本概念</title><link>https://www.fromran.com/2020/04/20/network1/</link><guid isPermaLink="true">https://www.fromran.com/2020/04/20/network1/</guid><description>DNS、MAC、分层模型、TCP/IP 与常用协议的基础概念整理。</description><pubDate>Mon, 20 Apr 2020 13:59:27 GMT</pubDate></item><item><title>操作系统（七）：进程间通信</title><link>https://www.fromran.com/2020/04/19/os7/</link><guid isPermaLink="true">https://www.fromran.com/2020/04/19/os7/</guid><description>整理直接通信、管道、共享内存、信号与套接字等 IPC 方式。</description><pubDate>Sat, 18 Apr 2020 16:00:19 GMT</pubDate></item><item><title>操作系统（六）：死锁</title><link>https://www.fromran.com/2020/04/18/os6/</link><guid isPermaLink="true">https://www.fromran.com/2020/04/18/os6/</guid><description>死锁的系统模型、必要条件，以及预防、避免、检测与恢复策略。</description><pubDate>Sat, 18 Apr 2020 08:28:02 GMT</pubDate></item><item><title>C++ 数据结构</title><link>https://www.fromran.com/2020/04/16/cpp2/</link><guid isPermaLink="true">https://www.fromran.com/2020/04/16/cpp2/</guid><description>围绕 vector、list、map 等容器与基础数据结构的学习笔记。</description><pubDate>Thu, 16 Apr 2020 15:19:44 GMT</pubDate></item><item><title>C++：一些概念</title><link>https://www.fromran.com/2020/04/15/cpp1/</link><guid isPermaLink="true">https://www.fromran.com/2020/04/15/cpp1/</guid><description>抽象类、虚函数、内存管理、继承与模板等 C++ 基础概念的集中整理。</description><pubDate>Wed, 15 Apr 2020 14:06:30 GMT</pubDate></item><item><title>操作系统（五）：锁、信号量与管程</title><link>https://www.fromran.com/2020/04/15/os5/</link><guid isPermaLink="true">https://www.fromran.com/2020/04/15/os5/</guid><description>从竞态条件到锁、信号量与管程，整理并发同步的核心机制。</description><pubDate>Wed, 15 Apr 2020 13:36:27 GMT</pubDate></item><item><title>操作系统（四）：CPU 调度</title><link>https://www.fromran.com/2020/04/15/os4/</link><guid isPermaLink="true">https://www.fromran.com/2020/04/15/os4/</guid><description>调度目标、评价指标与常见 CPU 调度算法的基础笔记。</description><pubDate>Wed, 15 Apr 2020 10:17:49 GMT</pubDate></item><item><title>操作系统（三）：进程与线程</title><link>https://www.fromran.com/2020/04/13/os3/</link><guid isPermaLink="true">https://www.fromran.com/2020/04/13/os3/</guid><description>进程、线程、上下文切换与调度关系的系统性入门笔记。</description><pubDate>Mon, 13 Apr 2020 08:52:29 GMT</pubDate></item><item><title>操作系统（二）：内存分配</title><link>https://www.fromran.com/2020/03/08/os2/</link><guid isPermaLink="true">https://www.fromran.com/2020/03/08/os2/</guid><description>从系统调用与异常，到连续内存分配和虚拟内存的基础整理。</description><pubDate>Sat, 07 Mar 2020 17:11:52 GMT</pubDate></item><item><title>《雪中悍刀行》读书札记</title><link>https://www.fromran.com/2020/03/08/xuezhong/</link><guid 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