<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>陷阱 on Jeanphilo Blog</title><link>https://shio-chan-dev.github.io/jeanblog/zh/tags/%E9%99%B7%E9%98%B1/</link><description>Recent content in 陷阱 on Jeanphilo Blog</description><generator>Hugo -- 0.159.2</generator><language>zh-cn</language><lastBuildDate>Sat, 24 Jan 2026 15:29:20 +0800</lastBuildDate><atom:link href="https://shio-chan-dev.github.io/jeanblog/zh/tags/%E9%99%B7%E9%98%B1/index.xml" rel="self" type="application/rss+xml"/><item><title>JavaScript for 循环闭包陷阱：为什么会打印 3</title><link>https://shio-chan-dev.github.io/jeanblog/zh/dev/web/js-closure-for-loop/</link><pubDate>Sat, 24 Jan 2026 15:29:20 +0800</pubDate><guid>https://shio-chan-dev.github.io/jeanblog/zh/dev/web/js-closure-for-loop/</guid><description>解释 for 循环中的闭包问题，并给出正确修复方式。</description></item><item><title>为什么 SQL 中 NULL 不能用 = 比较：三值逻辑与查询陷阱</title><link>https://shio-chan-dev.github.io/jeanblog/zh/dev/database/why-null-not-equal/</link><pubDate>Sat, 24 Jan 2026 11:28:00 +0800</pubDate><guid>https://shio-chan-dev.github.io/jeanblog/zh/dev/database/why-null-not-equal/</guid><description>解释 SQL 三值逻辑下 NULL 的比较规则，并给出正确写法与常见陷阱。</description></item></channel></rss>