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.
Lambda puzzles challenge: https://bntre.github.io/visual-lambda/#workspace=puzzles
，详情可参考电影
这套方法的核心逻辑是：大语言模型的有效工作窗口是有限的，你塞进去的信息越多，它能分配给真正思考的空间就越少。问题树做的事情，是把一个复杂项目的知识状态压缩成一个可以随时拎起来、随时投喂的抽象结构，它不记录你做了什么，它记录你还不知道什么，以及这些未知之间的关系。。业内人士推荐体育直播作为进阶阅读
南方人物周刊：杜太白这样一个知识分子的形象，在你过往的作品中并不多见。
If your favorite team plays in the America East, Atlantic Sun, Ivy League, or Southland conference, then ESPN+ is the only way to watch those teams without going to the games. For many other leagues that don’t have many games on traditional TV channels, ESPN+ is the primary way to watch games.