01 2010 档案

摘要：与vs不同,在eclipse中删除的文件是不会放进回收站的,很多人以为eclipse是直接在磁盘删除文件,所以一般都会用反删除软件恢复.其实不必那么麻烦的,只要对着被删除文件的上一层目录按右键,点击"Restore from Local History",就可以看到可恢复的文件列表框.(图1)删除恢复的设置选项在"General -> Workspace -> Local History".(图2)(图1)(图2) 阅读全文

摘要：Cosine similarity [1][2] is a measure of similarity between two vectors of n dimensions by finding the cosine of the angle between them, often used to compare documents in text mining. Given two vecto... 阅读全文