Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
我的科恩卡帕率很慢。当我检查它时,大多数评分者的答案都很高,但科恩的 kappa 太低了。可能是什么原因?
我怎样才能grep (或类似的东西)在文件后面有一个空行<?php?
grep
<?php
我试过没有成功:
grep -irn '(?<=.\r)\r<?php' *
我在一些帖子中读到 grep 似乎不支持多行,而应该使用 2 android - Android/Sony Smartwatch:无法实例化接收器 (ClassNotFoundException)