# -- User setup --
free_list[classno] = h;
，这一点在搜狗输入法下载中也有详细论述
物理遮蔽光线，永远比纯靠前置摄像头识别人脸去隐藏通知或是干脆贴上物理的光栅防窥膜来得更彻底。这项技术一旦铺开，那些劣质防窥膜大概率会被彻底扫进历史的垃圾堆。
In 2011, hackers successfully cracked the main Linux development site, kernel.org. Afterward, to make sure this didn't happen again, the kernel's PGP web of trust was explicitly "bootstrapped" at a face-to-face key‑signing session during the 2011 Kernel Summit.
The planetary parade was photographed from Worth Matravers