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《学姐知道》第二季是由万合天宜出品，叫兽易小星监制的一档周播百科脱口秀栏目。该栏目将脱口秀与小剧场相结合，以充满趣味的冷知识为出发点，同时关注时下最热的话题，每集都为观众介绍不同内容。笑点密集的脱口秀部分和小剧场的爆笑演绎是《学姐知道》第二季的一大特点之一。好，真好。According to statistics, SYN attack is the most common and easily used attack method among all hacker attacks. I believe many people still remember the attack on YAHOO website in 2000. At that time, hackers used simple and effective SYN attacks. Some network worms cooperated with SYN attacks to cause greater damage. This paper introduces the basic principle, tools and detection methods of SYN attack, and comprehensively discusses the prevention technology of SYN attack.彭越那边是否出兵还不知晓，所以所谓的大军合围越军似乎有些过于臆测。《青果巷》主要讲述了在城市发展的大潮中如何保护青果巷这条历史。名巷是摆在古城延陵人们面前的一个严肃课题，以海归画家王庚和历史学硕士青果为代表的有识之士为此百折不挠地坚持和努力着，王庚的前妻文迪和房地产商人谢伯昭等人却出于一己之私，极尽所能地破坏和阻挠着；当成熟宽厚的王庚邂逅年轻纯善的青果时，一场爱情展开了。然而，他们又哪里知道，无尽的艰难坎坷早已埋伏在他们感情前行的路途之上。伴随着青果巷的保护，一段段的恩怨情仇在王庚和青果、王庚和文迪、谢妙莹和庄少言，以及老一辈的唐思勉和杨紫云之间交替展开，或轰轰烈烈，或刻骨铭心，或缠绵悱恻，或凄凉哀怨，在古老宁静的青果巷中上演了一幕幕人间悲喜剧As a result, he only heard him recite the past and said coldly, "Other women can give birth, but you can't change diapers. You are the most melodramatic! "Please create a Die class that contains an attribute named sides with a default value of 6. Write a method called roll_die (), which prints a random number between 1 and the number of dice faces. Create a 6-sided dice and roll it 10 times. Create a 10-sided dice and a 20-sided dice and roll them 10 times. ?