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你我早该想到会有这一天。《黑镜》三则全新故事，6月5日隆重上线。123. X.X.81During the three-way handshake connection, the server creates and saves the tcp connection information, which is usually stored in the connection table structure, but the size of the connection table is limited. Once the server accepts more links than the connection table can store, the server cannot create a new tcp connection.If I were to implement a pizza ordering system, I would definitely write the code like this, because this kind of code can be written subconsciously without consuming our brains. However, take a closer look at this code: the purpose of this method is to order pizza. However, the code for ordering pizza also needs knowledge about the production of pizza. This method must know all pizza. Worse still, if the types of pizza are to be expanded or pizza with poor sales volume are to be deleted in the future, then the code for ordering pizza will be modified. It looks very bad and should be revised. Our first step must be to separate the code for producing Pizza from the code for ordering pizza, because you should not let the code for ordering Pizza know the logic for producing pizza, but should hand over the logic for producing Pizza to a special type. In this way, we can cope with future changes-if we want to add or delete pizza, we can directly modify the producer of pizza without affecting the logic of ordering pizza.片中孙俪自爆最爱过年时邻居家的兔子灯，李易峰则表示最难忘的是和哥哥一起放鞭炮，而好爸爸黄磊准备为女儿多多找回远去的年味！范青停顿一下，低声道：小姐，三爷和高陵君一道去的盱眙，也参与此事。