During a DNS NXDOMIAN flood attack, the DNS server makes multiple domain name queries and its cache is filled with a large number of NXDOMAIN records, resulting in a slow response to DNS resolution requests from normal users
Intelligence +50
Dependence Inversion Principle (DIP) means that abstraction should not depend on details, and details should depend on abstraction, which is the proposed "interface-oriented programming, not implementation-oriented programming". This can reduce the coupling between customers and specific implementations.
从新兵登记开始，这几个欢喜冤家就彻底结下了梁子，随即搞出了无数令人啼笑皆非的荒唐事。在经历了温指导员、江参谋、康班长、姚排、牛副队长等人的点拨和打磨后，他们逐渐磨去了浮躁，精进了技艺，完善了人格，最终成长为武警战士。
What is DDoS?
--Update on December 3, 2018
黛丝，你也管两家铺子，让黑猫带你去瞧瞧。
今日咱们也有些孟浪，难怪她不高兴了。
90后青年唐一修立志成为匡扶正义的干警，在一次执行任务过程中，在医院意外邂逅90后女孩古静。她出生在一个警察家庭，同样心怀从警的梦想，却在海外曾遭遇意外，陷入深度昏迷。因唐一修的误打误撞，古静终于清醒过来，且复健后各项身体机能都恢复正常。然而，古静记不得与意外有关的一切，只是脑海中时常有个受伤的男子出现。在李局长亦父亦师般的鼓励下，古静重拾梦想，通过重重考试、训练当上警察。因为一桩新的案子，唐一修和古静再度相遇，二人互相支持让案件真相大白。此外，古静从小就记忆力过人，她对细节的分析思考能力，与唐一修的实践经验相配合，二人互相的搭档，越发默契。在此过程中，唐一修知晓古静受到往事困扰，答应帮她找回记忆。两人在破案过程中，与刑侦队的领导和伙伴们齐心协力,一心为民，成为有担当的优秀的90后人民警察······
OK, the main play has finally come. This is the heated smoke bomb. In the middle of the tobacco shreds are traces "inserted" by iQOS heating sheets, and there are signs of blackening and carbonization. And there are also many oil stains on the cigarette paper.
/pray (prayer)
橙光游戏《遇龙》改编，讲述龙王和一个小丫鬟三生三世的爱情故事。
"What happened later?" I knew the story was far from over, so I couldn't wait to ask him.
可是，这样的日子往后再不会有了。
In real life, there are many requests that cannot be made by one person. For example, the salary at the interview may be decided by the technical manager if it is less than 10,000, but the salary between 10,000 and 15,000 may not be approved by the technical manager and may need to be approved by the technical director.
[Picture Section]
After this time the mines have come into play, The company commander also ordered us to take advantage of the gap between operations. To replace the mines that have already triggered the explosion with new ones, I was one of four people on this mission, I remember when I went down there, I saw the bodies of the dogs, I can't help but look at those who were killed by steel balls but were relatively complete. There is one place I am very strange: although they were beaten by steel balls and lay there dead with holes, they had no blood at all, but there were some green things around the bullet holes, which was disgusting to look at. "
Usage:
我这也是为儿孙积德行善。
