The next four patterns, including this pattern, are all the relationships between classes and do not involve inheritance. When learning, you should remember induction and the diagram at the beginning of this article. The observer mode is well understood, similar to email subscription and RSS subscription. When we browse some blogs or wikis, we often see RSS icons. This means that when you subscribe to the article, you will be notified in time if there are subsequent updates. In fact, in a nutshell, when an object changes, other objects that depend on the object will be notified and will change with it! Objects are a one-to-many relationship. Let's look at the diagram first:
B) It is suggested to start from a simple scene and discover or design a certain pattern by yourself. From this, you can understand how the model solves the problem. In this way, the model becomes your own thing, and you will not have the problem that it is easier said than done. All design patterns are just the application of basic principles and concepts in specific occasions. You may not know the name of a design pattern, but you know all its advantages, disadvantages, variants and applications. Seeing mountains is not mountains, seeing water is not water.
Michaela McManus饰演Sarah，一个很照顾人的护士，曾经是少女妈妈的她，现在女儿也重走旧路当了少女妈妈﹑Grace Van Dien饰演Katie，独立﹑聪慧﹑有个钥匙儿童（意指家长出去工作，独自在家、无人照看的孩子）的单亲妈妈，努力工作的她仅仅能维持生计。当艺术家和活动家的Katie被母亲Sarah视为在闹反叛，因此两人起了磨擦。
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Article 5 Lookout
同在乐海体校的阿若和小海关系首次破冰，小海在队友和队医尤丹的关心下重新燃起了对游泳的热情，但少言寡语的阿若却因父亲的高压迟迟未解心结，不仅如此，成绩的下滑让他变得更加恐慌和无助。幸而小海的陪伴让阿若找到了真正的自己，冰释前嫌的两人再次并肩站在了全国赛的出发台……校医尤丹的恐水谜团也最终解开，曾经救过她的“6号”到底是谁渐渐拨开迷雾。乐海队的少年们都在为自己的梦想奋斗，他们每个人都找到了关于“输赢”的意义。
崇祯三年，袁崇焕（陈伟 饰）被凌迟处死于北京，袁家满门遭锦衣卫抄斩，唯袁崇焕8岁的儿子袁承志被袁旧部孙仲寿（苏茂 饰）等救出。多年后，袁承志（窦智孔 饰）华山学艺，深得武功秘笈加持，他通过太白双英的线索，抓到了满清奸细洪胜海（周晓滨 饰），并将其收于麾下。袁承志与众匪与押运漕银的官兵欲血搏杀，被其相救的阿九（孙菲菲 饰）对他心生爱意。袁承志率人潜入盛京，安排洪胜海多方打探官府与市井详情，刺探满清计划。闯王大军入城，天下大事初定，袁承志只身入宫行刺崇祯（高虎 饰），不料崇祯已化装逃走。周皇后上吊身亡，几天后，崇桢在景山自取黄泉路。闯王的腐败令袁承志大失所望，万念惧灰的他跪倒在父亲的坟前......
1986.08-天空之城
Analysis: Switch is a strict comparison.
After resigning, Ellie speculated in stocks at home. She seldom came into contact with places outside her fixed circle of friends. Allie became lazy and loose. Apart from occasional running, she almost gave up on her middle-aged body, which was getting fat.
该剧讲述了一支废柴高校辩论队，在强队如云的大学生联赛中，渐渐展现出自己独有的能力和优势。这是国内首部以辩论为主题的青春电视剧，很是引人期待。
(1) Announce the admission control score line for each batch of ordinary college entrance examination undergraduate courses, vocational education teacher classes and higher vocational classes, and the first-class model college entrance examination province, and examine and approve the qualification standard for ethnic preparatory helicopter;
可是我突然觉得，那些话都太老套了。
Then I began to fragment. Taking off Song Guochun's life jacket, I remember I tied my hands and my legs. I don't remember. I think it is written in the judgment that someone put several iron pendants into his pocket. Huang Jinbo must have strung five or six iron pendants with the fishing line and tied them to him. I am sure of this.
电视连续剧《永恒恋人》紧紧抓住现代都市人心灵的最敏感地区——对真情的向往，爱情中有挫折，有苦恼也有失望，但是对未来的追求，对美好事物的憧憬是永远不变的。剧中演员阵容强大，不仅有观众非常熟悉的安雯、吴越、詹小楠以及陈建斌，更令人瞩目的是该剧还邀请了日本偶像演员矢野浩二。电视连续剧《永恒恋人》将留给观众一个全新的印象。
并不是说，其他人写不出更加爽快、更加夸张的情节来，而是很少有人能做到像《倚天》那样不露痕迹，合情合理。
这话也明白，如果黄胖子连续三次铁了心开价十两起，杨长帆都不同意，大家就不用聊了。
三年前，李毅的妻子被人杀害后，他隐姓埋名追查凶手。但可惜，三年来始终毫无线索。三年后，李毅的好友周新终于帮他查到杀妻凶手的姓名，但就在两人见面时，周新却被神秘杀手暗杀。临死前，周新交给李毅一个盒子。
当年张家被流放后，孙铁带领一干护卫千里跟随主子去了黑莽原，独留孙鬼一人四处寻找玉米。
这部剧讲述了一个经历了人生挫折的女性，不理睬世俗的偏见，热心地帮助其他不幸的人们，并宽容那些伤害自己的人的故事。
