想用tensorflow的GPU版本，安装后如果出现“W tensorflow/stream_executor/platform/default/dso_loader.cc:59] Could not load dynamic library 'cudart64_101.dll'; dlerror: cudart64_101.dll not found”这个Warnning说明有可能没有安装CUD

python中连接数据库后，发出查询语句而后逐条处理，标准语句如下：db = pymysql.connect("localhost", "用户名", "口令", "数据库", charset='utf8' )cursor = db.cursor()cursor.execute(sqlt)results = cursor.fetchall()for row in results:逐条处理db.clo