小知识点20131129
英文缩写: ACK (Acknowledgement)
中文译名: 确认字符
分 类: 传输与接入
解 释: 在数据通信传输中,接收站发给发送站的一种传输控制字符。它表示确认发来的数据已经接受无误
 和 的区别: 都是空格,但是 是html中的空格的转义,而 是XSL中的。XSL并不认识 他会原样输出,XSL不认识的都原样输出,所以你就是写上html的符号他也原样输出,这就是为什么xsl能生成html的原因。 XSL 之于 XML ,就像 CSS 之于 HTML
Excel表格里内容换行可以用ALT+ENTER
//自定义
REQUEST_ENABLE_BT
is a request code that you provide. It's really just a number that you provide foronActivityResult
. It will b the requestCode
(first parameter) of onActivityResult
when the activity returns. You could put any number you want as long as it's consistent in the return method.
In other words, put a line like this in the top of your Activity:
private final static int REQUEST_ENABLE_BT = 1;