方式一: {代码...} 一般而言,这种方式见得最多的写法是static final,那么final是否是必须的呢?多个线程调用静态方法getInstance()时,JVM也只会加载和初始化内部类一次,将静态变量INSTANCE定义不可变的fin...
2017-04-18回答次数:2访问次数:290
有一个文本 {代码...} 想把他匹配进一个字典testtest['keshi']=['5课时 39分钟','14课时 37分钟']test['level']=['中级','中级']这样的 看了慕课的教程。里面说title_node=soup.find('i',class_="time-icon").fin...
2017-04-18回答次数:2访问次数:327
-- coding: utf-8 -- import scrapyimport codecsimport re class SinaSpider(scrapy.Spider): {代码...} "E:\Program Files (x86)\python27\python.exe" E:/study/CX/python/rexx/sina.py sina Process fin
2017-04-17回答次数:2访问次数:211
我的理解是,reuse 只会抛弃时间戳后退的 fin 包来,而 recycle 会抛弃所有时间戳后退的包,不止 fin 包,这个理解对不对? 如果对,那么如果遇到了 NAT 后面的多个客户端,reuse 打开的情况下为什么能够正确关闭...
2017-04-17回答次数:1访问次数:1017
在微信上给用户修改头像的时候,用canvas来截图。结果报错:Owechat_login.js:226 Uncaught TypeError: Failed to execute 'getImageData' on 'CanvasRenderingContext2D': The provided double value is non-fin...
2017-04-17回答次数:2访问次数:287
FIN代币的官方钱包地址为0x413B4822f4C80F8089b525D2786465d7bF38b4cf。FIN代币是一种基于以太坊区块链的实用代币,由DEFIANT协议发行,用于提供流动性和效用。
2024-04-08评论:访问次数:
OKX, a leading cryptocurrency exchange, has successfully completed the token migration of ZK to its new iteration, ZKJ. According to OKX, users can now fin...
2024-06-19评论:访问次数:613
With blockchain being the hottest and most investable technology out there, everyone wants to get in on the cryptocurrency action. That is why you will fin...
2024-06-28评论:访问次数:133
This groundbreaking new show, taking place October 2-4, 2024 at Le Méridien in Dania Beach, Florida, will focus on the transformation of banking and financ...
2024-07-01评论:访问次数:638
配置防火墙防止syn,ddos攻击[root@m176com~]#vim/etc/sysconfig/iptables在iptables中加入下面几行#antisyn,ddos-AFORWARD-ptcp--syn-mlimit--limit1/s--limit-burst5-jACCEPT-AFORWARD-ptcp--tcp-flagsSYN,ACK,FIN,RSTRST-mlimit--limit1/s-jACCEPT-AFORWARD-picmp--icmp-typeecho-reque
2024-01-03评论:0访问次数:667