As shown in the above figure, when ping 156 host, the PING command has not been responded to. It seems that our iptables rule has come into effect. The message sent by ping has not been accepted by 156 host at all, but has been discarded, so let alone any response. Well, we have successfully configured an iptables rule. It seems that we have already started.
(4) Purposeful exercises need to go out of the comfort zone.
亲缘2020
《爱情新呼吸》，会呼出甜蜜，也会呼出悲伤，这是一部充满了创意和惊喜，犹疑与激情的都市情感电视剧。男主人公徐凯是一个充满现代意识和生活活力，具有幽默感和创造力的完美情人；女主人公林静惠则是一个几乎继承了我们这个民族的一切美德……
离婚不久的记者蒂克特·斯文森，带着她的罗塞回到了家乡。作为罪案调查记者的她，偶然发现了一具年轻女孩的尸体，并牵扯出了背后的黑色代孕产业链。
Chapter V Supervision and Administration
虽然突发奇想，甚至希望渺茫，可是为了最爱的霞高，稻叶和伙伴们甘愿跃入水中，朝着光辉的目标全力奋战……
The biggest problem for programmers is "conceit". Especially when we review other people's codes, I have seen countless scenes. When programmers review codes, they begin to attack other people's codes and question other people's abilities. It's ridiculous. I analyzed it. This kind of programmer actually has no skill, because they accuse each other of trying to tell everyone how good they are. To show their programmers by this means is actually what the legend calls "half a bottle of water".
叹道：项梁将军也算是是当世名将，这样去了实让人唏嘘。
长衫、旗袍、凤眼、纤腰一搦、仿佛从浮沉往事中走出来的古典美人，这是女主。眼里盈盈的都是透亮的水，水里面养着情根，美的惊心动魄、有才的惊心动魄，被欺凌过被嘲笑过但依然长成了枝繁叶茂笑傲所有人的模样，这是男主。
JSON is smaller, faster, and easier to parse than XML.
市村是死役所的综合接待，他用礼貌到让人不快的态度面对一个又一个死者——“您是尊贵的逝者”。
Go
The fundamental reason for using design patterns is to adapt to changes, improve code reuse rate, and make software more maintainable and scalable. In addition, the following principles should be followed when designing: single responsibility principle, open and closed principle, Richter substitution principle, dependency inversion principle, interface isolation principle, composite reuse principle and Dimit principle. Each design principle is described below.
