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:
该项目看到基根迈克尔基和乔丹皮尔在直播室观众面前取笑一个主题编织在拍摄的短片和素描之间。
In the system, how do we need to reuse an object, if we repeatedly use the new operator to create the object at this time, it is a great waste of system resources. Since we use the same object every time, why can't we share it? This is also the reason why the model of enjoying yuan appears.
大学的新学期伊始。 心无杂念头脑里只想着如何改良自己做的无人机，KAKA的单单在热闹非凡的各大社团招新人海中略显得有些格格不入。 在单单从校舍后方的广场向延绵海岸扔出飞碟进行无人机KAKA的捕捉测试时因为海风的影响飞碟不小心飞到了一名女生的身上。 这突如其来的事故，却变为了使原本有些自闭的单单逐渐成长的契机。
《天津1928》（原名《审讯者》）将民国时期一段真实探案故事首次搬上荧屏，讲述了隐藏在天津警察局所遭遇的一系列疑点重重的案件后的惊天秘密，以独特的视角揭开民国时期“审讯者”这一特殊职业错综复杂的爱恨情仇，最终寻得人生真谛。
张时彻也活了五十五年了，早已驾轻就熟，就此挥臂遣人道：速速告知杨总督，请杨总督定夺。
港警察朱福龙(甄子丹 饰)因一次工作失误惨被降级，万般无奈之际又遭未婚妻可儿(周励淇 饰)悔婚，事业爱情的双重打击令他一蹶不振，暴饮暴食六个月后体重猛增到200斤!上司黄警官不忍其继续堕落，委派朱福龙前往日本押送一名犯人，并承诺只要完成任务就可以为他恢复职位。可惜来到日本，倒霉的事件便接连在他身上发生，不仅财物尽失，连犯人也在押送途中逃脱了。幸好得到前香港警察潇洒哥(王晶 饰)的帮助才得以暂时解困，为了完成任务找回犯人，朱福龙与潇洒哥共同行动，不料在查找真相的过程中发现了日本黑帮的惊天阴谋......
The function of weightlifting belt to reduce the pressure on the back under the weight lifting in the straight force position is realized by compressing the contents of abdominal cavity. Compressing the contents of the abdominal cavity can increase the intra-abdominal pressure (IAP), increase the anterior support of the lower back vertebra,
这些不同种族、不同文化、不同社会背景的士兵不得不远离家乡和亲人，来到东南亚热带地区接受血与火、生与死的战争考验，剧中充满让人震惊的血腥场面，向人们展现了战争的残酷无情，揭示了人们对战争的态度和兵士们对自己生命价值的思考。
一个单身妈妈搬到一个小镇希望有个新的开始。很快她就发现了这个古色古香的小镇里隐藏的秘密，她可能逃不掉。
十九岁的护校女生张天玉（王丽坤饰）阳光美丽、纯真善良，她正面临毕业，一心准备进一步深造。天玉九岁时父母双亡，一直由姐姐带大，在姐姐像母亲一样的呵护照顾下天玉并不像一般孤儿那样苦闷内向。姐姐张天洁在红日影视集团做当红影星罗文凯的经纪人，这引来了很多同学的羡慕。她们生活得平静而温暖，然而，一场突如其来的车祸完全打乱了天玉的生活……
Another obvious antagonistic input that can completely discard the classifier is the new attack. New attacks do not often occur, but it is still important to know how to deal with them because they can be quite destructive.
At this time, many people think that gender affects the classification ability of babies, but Professors Heron and Slaughter do not think so. They think that the difference in classification ability of babies of different genders is not due to gender, but due to the different knowledge and experience they have acquired. For example, the fact that male babies can classify cars may be that they pay more attention to the color and wheel movement of toy cars and pay less attention to the information of dolls.
见小儿子有些遗憾，张大栓摆手道：杨子，你甭叹气，那菜味儿虽然好。
也许以前是真是自己没有太当回事情，能让萧何如此推崇的人应该会有自特别之处的。
Brief description: when creating a new original class, value is initialized to egg, then modified to set the value to niu, and finally the penultimate row is restored to the state, and the result is successfully restored. In fact, I think this mode is called "backup-recovery" mode, which is the most vivid.
故事发生于1990年（黑人领袖Nelson Mandela坐监狱就快被释放），一个出生于普通家庭背景的小男孩叫John Milton（Troye Sivan饰）。他获得了奖学金，在南非一个精英私人学校读书。他要适应新学校与新家。他品行兼优，但却与这里的“问题学生”格格不入。但通过英语文学老师Guv（John Cleese饰）帮助下与一系列努力之后最后得到认可。
菊香是个很有追求的农村姑娘，但命运不佳，她高中毕业后被推荐上大学，却不知被何人顶替。她泼辣能干，在娘家里里外外是一把手，却受到未过门嫂子的排挤。为了不影响哥哥结婚，她当着乡亲们的面宣称，十五天内把自己嫁出去。人家让她相李大柱，可她觉得大柱太老实甚至近乎窝囊，一眼就看上了精明强干的李二柱。在后来的是是非非中，大柱越发显示出宽厚、诚恳、踏实的本性，而二柱的狭隘、浮躁证实了菊香当初相亲还是看走了眼。在菊香身上，既有农村妇女勤劳朴实的传统美德，又有对新生活的追求和渴盼。她结婚后，不满足于家庭贫穷的现状，拼命地干活，绞尽脑汁持家，想让一家人过上好日子，但终究未果，由她“进门当家”引发了一系列家庭矛盾，使她受到种种磨难。
Villagers: At that time, the monthly salary was more than 7,000 yuan, which was astronomical for our countryside.
