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In the previous example of electric lights, a state mode program was completed. First, the Light class is defined, which is also called Context here. Then in Light's constructor, to create instance objects for each state class, Context will hold references to these state objects in order to delegate the request to the state objects. The user's request, that is, the action of clicking button, is also implemented in Context, with the following code:从小清河边吹来的风儿拂过脸颊，芬芳中带着一股湿气，西厢传来妹妹慕琴哄小外甥的呢喃声，山村的夜晚是那么静谧、安宁。该剧是建党百年献礼剧献礼剧，1959年夏秋，一场大旱无情吞噬林县，河塘、水库干涸，庄稼大面积枯死，人畜用水陷入极端困境。林县县委一班人在县委书记杨桂带领下，决心彻底改变林县祖辈缺水困境。经过缜密实地调查，县委决定修建引漳入林工程红旗渠，重新安排林县河山，彻底改变林县人民自古缺水困局。杨桂和县委一班人带领林县人民，克服自然灾害带来的重重困难，顶住部分人冷嘲热讽，千军万马、战天斗地修建“引漳入林工程”，历时十年，终于在太行山腰修成了人工天河红旗渠。Italy 205,000,000RST means reset, which is used to close the connection abnormally. It is indispensable in TCP design. When sending RST packets to close the connection, you don't have to wait for all the packets in the buffer to be sent out (unlike the FIN packets above), and you directly send RST packets to discard the packets in the buffer. After receiving the RST packet, the receiving end does not need to send an ACK packet to confirm it.Tashi and Gazan were allowed to throw stones on the sheep.为心爱的人而出镖、为江湖义气而保镖、劫镖者为一段飞蛾扑火的爱情，爱的缠绵……义的肝胆……恩的纠葛……仇的报复，传说中隐藏着绝世武学的“翡翠娃娃”重现江湖，掀起一场争夺战。长风镖局的少主郭旭，为了藉“翡翠娃娃”上记载的医学宝典，极影影院替两代世交云家庄的云五少爷治疗宿疾，宁冒天下之大不韪，在一群血性男儿——霹雳飞刀封平、快剑辛力，及程铁衣、程采玉兄妹协助下，护送“翡翠娃娃”前往云家庄。