摘要:
>>> for ii in range(1,10,0.1): print(ii) Traceback (most recent call last): File "<pyshell#4>", line 1, in <module> for ii in range(1,10,0.1):TypeErro 阅读全文
摘要:
import glob file_list = glob.glob('id2neg*.txt') # 获取文件夹下所有的txt文件 with open('merged_file.txt', 'w') as merged_file: for file_name in file_list: with o 阅读全文
摘要:
DELIMITER // CREATE TRIGGER before_insert BEFORE INSERT ON table_name FOR EACH ROW BEGIN SET NEW.column_name = CONVERT(OLD.column_name, data_type); EN 阅读全文