合并文件夹下所有.xls文件,用jxl来编写程序报错jxl.read.biff.BiffException: Unable to recognize OLE stream 原因有二: 1. jxl包只支持excel03版,文件可能是07版本,可利用宏指令,对所有文件批量修改格式,可参考1: http://zhidao.baidu.com/link?url=d_lq286waS5fGQt0_N
Projekt --> generate Javadoc Go to "Configure Javadoc arguments." in VM options add "-bootclasspath /path/to/sdk/platforms/android-##/android.jar" 转载:http://stackoverflow.com/questions/520023
1. 问题描述 在Hive1.2.2版本运行如下HQL时: select dt as date, comMap['searchType'] as search_type, comMap['clickType'] as click_typefrom search_clickwhere dt = '20170614'; 会抛出如下异常: Failed to recognize pre