<?phpclass File{ private $fileArray = array( '.', '..', ); public function __construct($
$str = 'You\'re important to me and my job is to make you satisfied with our service and even to love it.';echo '<p>'.strlen($str).'</p>'; # 计算字符串长
1、遍历数组的键名和对应的值ARRAY = {}ARRAY['name'] = 'saint'ARRAY['time'] = '1997.07.01'for key, value in ARRAY.items(): print('数组的键名是:', key) prin
import mysql.connectorfrom mysql.connector import errorcode# 配置数据库连接参数config = { 'user': 'root', 'passwd': '', 'host': &#
#!/usr/bin/python# Filename : var.py# 这里使用while循环print ('游戏规则：电脑生成一个1-100的整数，根据提示求结果')print ('游戏开始')import randomnumber = random.randint(1,100)runing = Truewhile runing: g
1、从数据表t2中的相关数据更新到数据表t1中相应的字段中如：Update `t1`SET `name` = (SELECT `t2`.`name` FROM `t2` WHERE `t2`.`uid` = `t1`.`uid`),`ip` = (SELECT `t2`.`ip` FROM `t2` WHERE `t2`.`uid` = `t1`.`uid`)2、数据表的自身关联，查找数据表中某字
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