import pandas_datareader.data as web
import pandas, xlrd
from datetime import datetime, timedelta
import csv
end = datetime.now() # 마지막 날을 오늘로 설정
start = end - timedelta(days=250) # 시작 날을 오늘로 부터
如果OracleException在這裏不是我正在查找的內容,那麼會發生什麼?我需要扔嗎?在這裏捕捉一個通用的異常是正確的做法嗎? try
{
does some code
}
catch (OracleException ex)
{
if (ex.Number == 20001)
{
throw new ValidationException("
有沒有辦法將異常不匹配錯誤當作叮噹中的警告處理? source_file.cpp:12:18: error: exception specification of overriding function is more lax than base version virtual void Func(){} 我得到錯誤與谷歌模擬功能,指定異常說明符。看https://github.com/googl