Android自带的 AlertDialog,ProgressDialog,DatePickerDialog,TimePickerDialog 可以用于简单的对话框显示。当还是有这些对话框不能满足应用需要的时候，这时……

文档解释 Error number: 3744; Symbol: ER_TRANSFORM_TARGET_SRS_MISSING_TOWGS84; SQLSTATE: 22S00 Message: Transformation to SRID %u is not supported. T……

1、相同点，能针对dataframe完成特征的计算，并且常常与groupby()方法一起使用。 2、不同点，apply()可以跟自定义的函数，transform()不能跟自定义的特征交互……

文档解释 Error number: 3742; Symbol: ER_TRANSFORM_TARGET_SRS_NOT_SUPPORTED; SQLSTATE: 22S00 Message: Transformation to SRID %u is not supported. Er……

文档解释 ORA-39042: invalid transform name string Cause: An invalid transform name was specified on a DBMS_DATAPUMP.METADATA_TRANSFORM API call. Act……

文档解释 ORA-31662: metadata transform name can not be defaulted Cause: A null metadata transform name was supplied. Action: Fix the call to specify……

文档解释 ORA-39044: Metadata transform string has already been specified. Cause: The user has already specified the metadata transform for the same ……

文档解释 Error number: 3741; Symbol: ER_TRANSFORM_SOURCE_SRS_NOT_SUPPORTED; SQLSTATE: 22S00 Message: Transformation from SRID %u is not supported. ……

文档解释 ORA-31661: there are no metadata transform values of type VARCHAR2 Cause: The specified metadata transform value was an invalid type. Actio……

文档解释 Error number: 3743; Symbol: ER_TRANSFORM_SOURCE_SRS_MISSING_TOWGS84; SQLSTATE: 22S00 Message: Transformation from SRID %u is not supported.……