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TCP (Transmission Control Protocol) is a connection-oriented, reliable, byte-stream-based transport layer communication protocol defined by IETF's RFC 793. In the simplified OSI model of computer network, it completes the functions specified by Layer 4 Transport Layer.艾利欧的家被拆了后，建起了游乐园。某次小樱和知世经过时，小樱发觉了不一样的气息，追随着跑进游乐园，结果撞上了一个人，抬头一看发现竟然是小狼。原来小狼和莓玲趁暑假来日本玩。再次和小狼相见，让小樱非常紧张也在寻找表达心意的机会，但无奈都被阴差阳错的打乱。而这时，小樱发现自己的牌变少了，而牌走失的方向正是游乐园。传说中被封印的最后一张卡片，艰难的战斗，小樱能否胜利？而她是否又能向小狼成功传达心意呢？民国初年，乱世飘摇，江湖奇侠燕子李三的出现，让京津的达官贵人陷入慌乱之中。锁骨功，螺旋风，入高墙铁壁如无人之境，易容术，蝎子功，夺回国家珍宝的背后是李三让人咋舌的惊人智慧。抗日志士，北京警察局侦探队长周志岳的出现，改变了李三的人生轨迹。从闯荡江湖的热血奇侠到积极抗战的民族义士，从被初恋抛弃到最终赢得真爱，李三用他坚韧的毅力和铁血的性格谱写乱世中的又一个人生传奇。When a child has no experience and related concepts of things, there is no way to classify them effectively. The same is true of adults. Therefore, classification ability involves experience and knowledge, and involves conceptual ability.Set horizontal or vertical movement according to your needs.We know that when the transmission control protocol establishes the connection, the TCP three-way handshake will be carried out first. In this project, when the server receives the SYN connection from the client,Next, we will finish writing other codes. First, we will define the Upload class. The objects that control the upload process will be created from the Upload class: