当使用委托给一个元素添加click事件时,如果事件是委托到 document 或 body 上,并且委托的元素是默认不可点击的(如 div, span 等),此时 click 事件会失效。
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width">
iOS click bug test
//全国城市代码列表(“新编码”)https://www.cnblogs.com/oucbl/p/6155096.html | |
var city_id = "0101140701"; | |
get_weather(city_id, "潜江"); | |
//天气预报 | |
function get_weather(city_id, city_name) { | |
var weather_b = { | |
weatherCityIcon: { |
一、数组操作的基本函数 | |
数组的键名和值 | |
array_values($arr); 获得数组的值 | |
array_keys($arr); 获得数组的键名 | |
array_flip($arr); 数组中的值与键名互换(如果有重复前面的会被后面的覆盖) | |
in_array("apple",$arr); 在数组中检索apple | |
array_search("apple",$arr); 在数组中检索apple ,如果存在返回键名 | |
array_key_exists("apple",$arr); 检索给定的键名是否存在数组中 | |
isset($arr[apple]): 检索给定的键名是否存在数组中 | |
数组的内部指针 |
<?php | |
/** | |
* PHP数组不定长多键值排序 | |
* | |
* @author Zjmainstay | |
* @website http://www.zjmainstay.cn, https://glot.io/snippets/ernfkfnjhb | |
* @param array $list 数据源 | |
* @param array $rules 排序规则 ['key1'=>'asc', 'key2' => 'desc', ...] | |
* @return array | |
*/ |
import java.awt.Color; | |
import java.awt.Font; | |
import java.awt.Graphics; | |
import java.awt.image.BufferedImage; | |
import java.util.Random; | |
import javax.imageio.ImageIO; | |
import javax.servlet.http.HttpServletRequest; | |
import javax.servlet.http.HttpServletResponse; | |
import javax.servlet.http.HttpSession; |
<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset="UTF-8"> | |
<title>Title</title> | |
<style> | |
* { | |
padding: 0; | |
margin: 0; | |
list-style: none; |
package JDBC; | |
import java.sql.*; | |
public class JDBCDemo6 { | |
private static String user = "vagrant"; | |
private static String password = "vagrant"; | |
public static void main(String[] args) throws Exception { |
package JDBC; | |
import java.sql.*; | |
public class JDBCDemo6 { | |
private static String user = "vagrant"; | |
private static String password = "vagrant"; | |
public static void main(String[] args) throws Exception { |
1.设置代理
使用 curl,wget,brew等http应用程序会调用http_proxy和https_proxy这两环境变量进行代理,通过下面方式设置:
export http_proxy=http://127.0.0.1:8087
export https_proxy=$http_proxy
2.取消设置