Even the simplest rewrite rule—say, replacing a deprecated message with a new one—usually sends me hunting for examples. During this project I spent a lot of time deep inside the rewrite engine, and even now I cannot reliably recall the exact syntax.
Internal enterprise and government applications never intended for broad public distribution
，这一点在safew官方版本下载中也有详细论述
Also: This backdoor almost infected Linux everywhere: The XZ Utils close call。业内人士推荐爱思助手下载最新版本作为进阶阅读
Point lookups are useful, but the operation you'll reach for more often is a range query: give the tree a rectangular region and retrieve every point inside it, without scanning the entire dataset.