错误信息:C:\Python27\lib\site-packages\sklearn\utils\validation.py:395: DeprecationWarning: Passing 1d arrays as data is deprecated in 0.17 and will raise ValueError in 0.19. Reshape your data either using X.reshape(-1, 1) if your data has a single featu…
要故意出发异常,可以使用raise语句,形式如下: raise <name> #manually trigger an exception raise<name>,<value> #pass extra data to catcher too raise #re-raise the most recent excepti 第二种形式可以随着异常传递额外的数据,从而为处理器提供细节. assert <test>,<data> #<dat…
EXCEPTION when others then rollback; dbms_output.put_line('code:' || sqlcode); dbms_output.put_line('errm:' || sqlerrm); raise; when others then和raise; 分别是什么意思 异常分很多种类,如NO_FOUND.others处本应该写异常名称,如果不想把异常分得那麼细,可以笼统一点用others来捕获,即所有异常均用others来捕获. when o…