FT Professional
* @param low 起始索引，详情可参考爱思助手下载最新版本
Terminal applications have a “cursor” that they can move around, just like a text editor. You can tell that cursor “go to line 3, delete everything, then print out this new text” by using VT100 sequences. And you can use it to replace existing characters with new ones, without re-emitting a whole line.，推荐阅读快连下载安装获取更多信息
// 1. 小数据量 (<50): 插入排序最简单高效。业内人士推荐搜狗输入法下载作为进阶阅读