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Decorator mode is also called Wrapper mode, which can dynamically add some additional functions to an object. Decorator mode is more flexible than the way of inheriting and generating subclasses. Although decorator mode can dynamically attach responsibilities to objects, it will also cause some small objects to be generated, increasing the complexity of the system. The specific structure diagram is shown below.These threats are what Samuel Woolley, research director of the Digital Intelligence Laboratory of the Future Research Institute, calls "computational propaganda". He defines them as "false information dissemination and politically motivated attacks". These attacks are designed by "algorithms, automation and human management" and published through the Internet, especially social media. In a statement to Futuristic Technology magazine, Woolley added that the targets of these attacks were "the basic components of democracy: the media, open civic discourse, privacy and free elections".大有大的好处，闺女长大了，贴心。距今二十年前，以采矿业为主的诺瓦斯科提亚小镇发生一起严重的瓦斯爆炸事故，在矿洞中的工人几乎悉数丧生。事故是由于负责人离开岗位参加情人节舞会，以至于无人监管所引起的。一年后，惨剧中的唯一生还者哈里•沃登对矿上的负责人大开杀戒，他随后被强制送往精神病院。但在离开时哈里留下诅咒，小镇从此不可再举行情人节舞会。兵圣有东方兵圣与西方兵圣。东方兵圣就是《孙子兵法》作者孙武，而西方兵圣则是《战争论》的作者克劳塞维茨。作为兵书，《孙子兵法》比《战争论》早二千年，且后者又远远逊色于前者。电视剧《兵圣》，是以公元前560年前后的春秋时期为时代背景，围绕孙武、伍子胥、无咎等历史人物，描述了当时齐、楚、吴、越等各诸侯国的兴盛衰败，以塑造出主人公孙武作为一代兵圣的成长历程。该剧将以2020年为背景，韩朝关系缓和，并决定联合举办“Missing Korea”大赛，Dara则将饰演参赛者女工李妍花一角，而剧中大会组织委员会室长一角则将由金桢勋出演，目前Dara正在为角色练习北韩口音，独特的剧情设定十分引人关注。