<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>编程基础 on 老冯云数</title><link>https://vonng.com/tags/%E7%BC%96%E7%A8%8B%E5%9F%BA%E7%A1%80/</link><description>Recent content in 编程基础 on 老冯云数</description><generator>Hugo -- gohugo.io</generator><language>zh-cn</language><managingEditor>rh@vonng.com (冯若航)</managingEditor><webMaster>rh@vonng.com (冯若航)</webMaster><copyright>© 2025 冯若航</copyright><lastBuildDate>Tue, 11 Dec 2018 00:00:00 +0000</lastBuildDate><atom:link href="https://vonng.com/tags/%E7%BC%96%E7%A8%8B%E5%9F%BA%E7%A1%80/index.xml" rel="self" type="application/rss+xml"/><item><title>理解时间：闰年闰秒，时间与时区</title><link>https://vonng.com/db/reason-about-time/</link><pubDate>Tue, 11 Dec 2018 00:00:00 +0000</pubDate><author>rh@vonng.com (冯若航)</author><guid>https://vonng.com/db/reason-about-time/</guid><description>四年一遇的闰年2月29日，总有土鳖软件出现大翻车。对时间的正确理解，对正确处理工作生活中的时间问题很有帮助。本文聊一聊闰年、闰秒、时间与时区的原理，以及在数据库与编程语言中的注意事项。</description><media:content xmlns:media="http://search.yahoo.com/mrss/" url="https://vonng.com/db/reason-about-time/featured.jpg"/></item><item><title>理解字符编码原理</title><link>https://vonng.com/db/character-encoding/</link><pubDate>Sun, 01 Jul 2018 00:00:00 +0000</pubDate><author>rh@vonng.com (冯若航)</author><guid>https://vonng.com/db/character-encoding/</guid><description>如果不了解字符编码的基本原理，即使只是简单常规的字符串比较、排序、随机访问操作，都可能会一不小心栽进大坑中。本文详细解析ASCII、Unicode、UTF-8等编码原理，希望能讲清楚这个问题。</description><media:content xmlns:media="http://search.yahoo.com/mrss/" url="https://vonng.com/db/character-encoding/featured.jpg"/></item></channel></rss>