The principle of opening and closing means opening to expansion and closing to modification. When the program needs to be expanded, the original code cannot be modified, but the original code should be expanded to achieve a hot plug effect. Therefore, a summary of one sentence is: in order to make the program scalable, easy to maintain and upgrade. To achieve this effect, we need to use interfaces and abstract classes, etc. We will mention this point in the later specific design.
本片改编自女作家派翠西亚·海史密斯写于1955年的同名小说，法国导演雷内·克莱芒曾于1960年拍摄过一部以该小说为蓝本的电影《太阳背面》，由法国影星阿兰·德隆主演。
时间回到2012的夏天，这是个充满爱的季节。巴尼和女友奎因，泰德（乔什·拉德诺 Josh Radnor 饰）和女友维多利亚，罗宾和男友尼克，以及马修（杰森·席格尔 Jason Segel 饰）、莉莉（艾丽森·汉妮根 Alyson Hannigan 饰）和儿子一家三口，每个人都非常幸福。马修夫妇忙于照料孩子，其他三对情侣和和美美。然而10月份一到，他们就迎来了传说中的“分手季”。经过一番折腾，巴尼和奎因分手了。不久后，泰德和维多利亚也因为一个不可调和的原因分手了。随后，巴尼宣布和罗宾订婚，这究竟什么怎么一回事……
羊历3513年，青青草原上，羊羊族群已经十分兴旺发达。在羊羊一族里面已经有小镇，有学校，有超市，有美容院，所有羊羊族群的羊都幸福快乐地生活。可是，在对岸的森林里，灰太狼带着他的妻子红太狼却对着一群群的肥羊咽着口水，当灰太狼的身影再次出现在石桥的栏栅前，羊羊族群...
聚焦两千年前的著名大战、德国历史重要事件——日耳曼人与罗马帝国的条顿堡森林战役，其中“那不为人知的故事”，以三个命运相互联系起来的年轻人的视角展开。
So let's explain the rules of iptables in a common way. There was an analogy before, Each "chain" is a "checkpoint", Every message passing through this "level" must match the rules on this level. If there is a match, The message is processed correspondingly, For example, you and I are like two "messages" at the moment. Both of you and I are going to enter the customs at this moment. But the duke has a life, Only the imposing person can enter the customs, Those who do not meet this requirement are not allowed to enter the customs. So the soldiers guarding the customs followed the "rules" formulated by the duke. I began to look at you and me. In the end, you entered the customs smoothly, and I was rejected. Because you met the standard of "dignity", you were "released", while I did not meet the standard, so I was not released. In fact, "dignity" is a kind of "matching condition", "release" is a kind of "action", and "matching condition" and "action" form the rules.
(four) more than one registered fire engineer and more than five personnel with fire extinguisher maintenance skills;
只是今天，童岳却没有工夫去体味那最后一点春节气氛，早晨一起来，他就匆匆赶出去，买来了《武侠世界》杂志。
香菇鸡汤、盐水鸭、清蒸鲈鱼、水晶肘花、豆儿酱、肉皮冻、红豆饭、素菜烩。
So the construction of a simple instance based on Dockerfile is completed, and now the construction is based on this Dockerfile file by adding other instructions in turn.
意外出名的农民歌手万喜，衣锦还乡后被乡亲们选为村长。万喜本想在村里大干一场帮助大伙脱贫致富，没想到乡亲们根本不想改变现状，只想利用他的名气多要点救济款。万喜不愿当个“要饭”村官，他顶住压力大力发展特色农牧业，却遭遇种种困难与挫折。万喜疲于应付，幸好他的初恋杏花帮忙解决了不少难题，这也引起了万喜媳妇梅花的误会。收获季节，农产品滞销，乡亲们责怪万喜无能想换个村长。万喜说服乡亲们让他试用几个月，发誓让大伙挣得比扶贫款多几倍。为了实现对乡亲们的承诺，万喜聘请了女大学生田欣帮助大伙利用互联网卖农产品。在众人的努力下，农产品销售一空。万喜实现了承诺，成为乡亲们认可的村官
Senior Investment Manager of Bertelsmann Asia Fund (BAI) Congjia said that he attached great importance to the comprehensive strength of the team. "In recent years, offline children's mathematical thinking institutions have developed very fast, especially some institutions have achieved a relatively high growth rate without expanding schools, which shows that parents' awareness of children's mathematical thinking in the original region is gradually improving and the market demand will be great in the future. For educational institutions, the premise to realize sound operation is that all links from teaching and research, teacher training to operation and management need to be relatively mature and perfect. "
有这样急么？先灭飞龙国不可以么？杨博默默摇头：若灭飞龙国，其余部必投杨贼，若灭杨贼，其余部却不会投飞龙国。
电视动画《MIX第一季》改编自安达充创作的同名运动漫画，于2018年8月宣布了动画化的消息。于2019年4月播出，讲述的是由于父母的再婚，虽然无血缘关系的但出生年日相同的双胞胎（？）兄弟——立花投马与立花走一郎是明青学园初中部·棒球社的初中二年级生。
为转移话题，她便问起刚才谈判的情形。
Ability to manage time.
Events will be distributed
在衍生剧《私人诊所 Private Practice》剧终四年后，ABC于上年五月时预订另一部《实习医生格蕾 Greys Anatomy》衍生剧《19号消防局 Station 19》，现定於美国时间3月22日首播。由Shondaland制片﹑《实习医生格蕾》制作人 Stacy McKee执笔的衍生剧背景在西雅图消防局，讲述一群英勇的消防员，上至队长下至菜鸟的他们冒着自己生命安全去拯救民众。Jaina Lee Ortiz饰演衍生剧女主角Andy Herrera，而《实习医生格蕾》的角色Ben Warren医生（Jason George饰）会先继续在母剧出场，然后转往衍生剧里。Grey Damon饰演消防副队Jack Gibson，Okieriete Onaodowan﹑Danielle Savre﹑Barrett Doss及Jay Hayden依次序饰演消防员Dean Miller﹑Maya Bishop﹑Victoria Hughes及Travis Montgomery。Miguel Sandoval饰演消防队长Pruitt Herrera， Alberto Frezza饰演警官Ryan Tanner。
遥远的古灵星被毁灭，幸存的三位超人来到星星球向开心超人求救。以开心超人为首的五位超人为维护宇宙的正义，决定寻找古灵星毁灭的原因。当开心超人追查古灵星毁灭的线索时，却发现多了两个神秘的反派——月舞、星影，阻止他们的追查行动，而且月舞星影背后居然还有更大的势力。他们下一个毁灭的目标就是星星球。
1. The most common method is to determine whether the savedInstanceState is empty or not in onCreate (Bundle savedInstanceState) and restore the data body in Activity;
