#!/usr/bin/python # -- coding: UTF-8 -- from bs4 import BeautifulSoup import pymysql import re from urllib import urlopen import requests import json import math from sshtunnel ...
def bs_preprocess(html): """remove distracting whitespaces and newline characters""" pat = re.compile('(^[\s]+)|([\s]+$)', re.MULTILINE) html = re.sub(pat, '', html) # remove l....
设表名为TABLENAME,字段名为FIELD1则: SELECT FIELDN = FIELD1 FROM TABLENAME WHERE NOT EXISTS ( SELECT FIELD1 FROM TABLENAME A WHERE A.FIELD1 = tablename.field1 + 1 ) UNION SELECT...
1.CREATE USER 'json'@'localhost' IDENTIFIED BY '123456'; 2.GRANT ALL PRIVILEGES ON * . * TO 'json'@'localhost'; 3.FLUSH PRIVILEGES; 4.use mysql; 5.update user set Host='%' where...
UPDATE base_teacher_attendance_schedule JOIN base_attendance_setting_record ON base_teacher_attendance_schedule.recordsettingid = base_attendance_setting_record.id SET base_teac...
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager" > <property name="dataSource" ref="dataSource"/> <qualifier va...
public static void main(String[] args) { try (FileOutputStream out = new FileOutputStream("/Users/chanming/work_note/abc.xls")) { HSSFWorkbook wb = new HSSFWorkbook(); ......
1. 抽象类可以提供成员方法的实现细节,而接口中只能存在public abstract 方法; 2. 抽象类中的成员变量可以是各种类型的,而接口中的成员变量只能是public static final类型的; ...
Spring 自带了多种类型的的应用上下文。下面罗列的几个是你最有可能遇到的。 AnnotationConfigApplicationContext:从一个或多个基于Java的配置类中加载Spring应用上下文章。 AnnotationConf...
1.用户发送请求至前端控制器DispatcherServlet 2.DispatcherServlet收到请求调用HandlerMapping处理器映射器。 3.处理器映射器根据请求url找到具体的处理器,生成处理器对象及处理器拦截器(...
/** * 是否是Ajax请求 * @param request * @return */ public static boolean isAjax(ServletRequest request){ return "XMLHttpRequest".equalsIgnoreCase(((HttpServletReques...
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