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:
Humans used bows and arrows for hunting activities as early as 20,000 years ago. Modern archery began in England.
2. The registerForm.onsubmit function lacks flexibility. If we add a new validation rule or want to change the length validation of passwords from 6 to 8, we must change the code inside the registerForm.onsubmit function. Violating the open-closed principle.
美女研究生洛无忧在做实验时意外来到平行空间，在这里变身成为了一位古装丑女，丑女洛无忧来到了一个新的世界，在这里与王爷成婚，与王爷相爱，同时利用自己的医术，将自己的容貌变得更漂亮了。且看丑女大翻身，如何叱咤王府
正义的一方称作“守卫者”，由可变形成战斗机的里得王领导。邪恶的一方称作“反叛者”，由可变形为摩托的萨尔魔率领。他们为了能源大打出手，直至将战场移到地球，你来我往，展开连番恶斗……
罗伯图（石天 饰）和母亲生活在纽约的唐人街，年届三十的罗伯图风流成性毫无成家的打算，老母不能忍受他的浪荡下了逼他与中国姑娘结婚的最后通牒。罗伯图只得返回香港，投奔姑妈，与表弟张大个（曾志伟 饰）展开追女计划。大个儿痴迷女明星林小霞（张天爱 饰），存心在表弟面前炫耀的罗伯图展示国外追女先进经验，以保龄球对决赢得接近林小霞的资格，二人自此打得火热，大个儿中计反被晾在一边。餐厅服务生阿花（刘蓝溪 饰）对罗伯图一见钟情，后者也借机与阿花接触，岂料被林小霞看破，拂袖而去，罗伯图尽力挽回和女明星的关系，同时阿花也在父亲的教授下对罗伯图开展了一场倒追好戏。
她，就是宅门里的小丫鬟！如今摇身一变成了少奶奶！她，曾是锋芒毕露的夫人！如今韬光养晦隔岸观火！宅门里诱惑无数！痴情少爷能够恪守诺言从一而终！一场看不见硝烟的婆媳争斗，一场女人的智慧较量……
Then introduce the inventory query method.
Kargil Girl is based on the life of Gunjan Saxena, an Indian Air Force Pilot. The film features Janhvi Kapoor, Pankaj Tripathi and Angad Bedi in the lead roles.
The MDT shall conduct a self-assessment of the effectiveness and performance of the implementation at least annually, and the evaluation results can be used for reference by the MDT team itself and the management department.
This site has collected and sorted out a large number of exercises and answers, please use the site to find out
大卫·田纳特(《神秘博士》《好兆头》)将主演一部新的《八十天环游地球》剧集。再度改编儒勒·凡尔纳的著名小说，田纳特饰演智慧、善良的英国绅士斐利亚·福克。因为一次大胆的打赌，福克踏上了80天内环游地球的旅程，包括中国的戏份。小说曾多次改编影视，比如成龙、史蒂夫·库根等出演的2004年电影。 这部新剧还有法国年轻演员Ibrahim Koma饰演福克的仆人万事通，莉奥妮·贝尼希(《王冠》《相对宇宙》《巴比伦柏林》)饰演报道这个故事的记者Abigail Fix。 Ashley Pharoah(《火星生活》)等担任编剧，Steve Barron(《德雷尔一家》)是主要导演，Slim Film + Television和Federation等为制片公司。明年2月开拍，在南非和罗马尼亚拍摄，预计明年底推出。
李跛子唯唯诺诺，不知如何应答。
Since Pizza is still an abstract class, when we create a subclass of FactoryPizzaStore, we should also implement a specific subclass inherited from Pizza. If we only create a subclass of FactoryPizzaStore without a corresponding subclass of Pizza, what does our pizza shop sell?
Consider strings here.
樱桃带着两个媳妇端来两只大砂锅，两个婆子跟在后面，端着炭炉子，炭火烧得红旺旺的，这是火锅。
};
Monitoring is to monitor the whole environment. The granularity here is that every log, whether it is an application log, a system log or a security log, is collected and then tuned.
该剧讲述患有愤怒调节障碍的天主教司祭与刑警通过老神父杀人事件相遇后，联手调查的极限搞笑故事。
