Xu Cui
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568 Stories by Xu Cui
Do you work in evenings and weekends?
Reference managing is pretty annoying. But you can’t do research without reading papers, and can’t write manuscript without citing papers. Here I recommend a program which will effectively solve this problem. Peaya Paper is like EndNote, but with the
文献这件事其实挺烦人的。但是做研究少不了读文献，写文章少不了引用文献。我给大家推荐个软件可以非常有效地完成这些事情。 Peaya Paper有些类似EndNote，但有下面的特点： 基于云（Cloud
Cohort analysis is a good metric on how users engage to an application. To do this, you: Break the users into cohorts according to when they register (bin size usually a month) Count the number of users in each cohort who login in over time Plot it W
Copy and paste the image into OneNote, then right click on the image, and click “Copy Text from Picture” and paste.
source: http://www.jiuxingrenge.com/main/
一只乌鸦口渴了，到处找水喝。乌鸦看见一个瓶子，瓶子里有水。可是瓶子很高，瓶口又小，里边的水不多，它喝不着。怎么办呢？乌鸦看见旁边有许多小石子。它想出办法来了。 乌鸦把小石子一个一个地衔来，放到瓶子里，
在我小时候，村子的外面有一条弯弯的河。河的周围是一片望不到边的绿油油的草地。河畔有许多垂柳。在河的中间，有几个小岛，小岛上也有垂柳。河水是清的，里面有许多鱼、虾、螃蟹、泥鳅和鳖。我常去河边捉螃蟹。把手