The A/D bits exist entirely for the operating system's benefit. The Accessed bit tells the OS which pages have been recently used, enabling page replacement algorithms to choose pages to evict when memory runs low. The Dirty bit tells the OS which pages have been modified and must be written back to disk before eviction; clean pages can simply be discarded and re-read from disk later.
🔗 五、安装配置 FRP 内网穿透
。safew官方版本下载对此有专业解读
为了让你不花冤枉钱也能在朋友圈突围，我们总结了
For UNSAT problems with 10 variables and 200 clauses, it always claimed that the formula is SAT and made up assignments (See this example).