Know the principle + can change the model details man: read the paper, read the paper, read the paper! Read source code read source code read source code! The source code reading here is not limited to reading the source code of one framework. You can look at other excellent frameworks. For the implementation mechanism of the same layer and the same function, you can think more, summarize more and write more. After a long time, there will definitely be gains. The purpose of reading the paper is to directly obtain the original author's thoughts, avoiding obtaining second-hand thoughts from blog interpretation of the paper. After all, everyone's understanding is different, and it is not necessarily right. Read it first, then look at other understandings, and discuss with Daniel more, thus broadening the thinking.
3. Voluntary Service: At the moment, many young and middle-aged people in rural areas are working in the coastal areas of Guangdong. Most of the people who stay at home are old, weak, women and children. Naturally, they will encounter many difficulties in life and study. We will call on our volunteers to do what they can for these lonely, elderly and left-behind children and bring them some real help and convenience.
残酷的真相像刀子一样一次次割裂着李家瑜脆弱的心，最终将家瑜逼上了复仇之路，家瑜以“智慧和正义”为武器，向前夫和闺蜜展开了一场激烈的抗争……
此剧讲述一个社会底层生活的临时工都江秀，在面对因酗酒把家暴当成家常便饭的爸爸快就死亡时所作出之抉择的故事。
简家是民国一户没落乡绅人家，四个女儿，性格各异。简太太最大的心愿就是把女儿们嫁出去，从此衣食无忧。富家子丁子辉、宋文熙的到来让简家所在小镇爆发一场讨婿战，大女儿博得丁子辉之心，二人感情虽因门第差距经历波折，但最终获得子辉家庭认可。宋文熙虽几次与二女儿如恬“交恶”，但他却发现自己不知不觉坠入爱河。当年救过文熙一命的程碧娆深爱文熙，为阻止文熙与如恬在一起结盟文熙仇家柳天宇。天宇对如恬尽施情人计，在天宇求婚的关键时刻，文熙出现，揭露了天宇拐骗文萱致其怀孕的行为，如恬醒悟。天宇陷害文熙，令其事业重创、身陷牢狱，如恬运用自己的聪明才智，找到文熙无辜受害的证据，文熙平息事业波澜，有情人终成眷属
片刻之后，一中年男人上前陪笑着请安，此人名叫赖三，是当地一泼皮，被尹旭等人收拾过。
Strict pattern?
《师父》改编自徐皓峰的同名短篇小说，讲述了民国年间发生在天津武术界的一段恩怨情仇。男主人公南派武人陈识为在天津武术界开馆立足，收当地青年耿良辰为徒代其踢馆。却未料一场席卷天津武术界的剧变，正向师徒二人袭来。
八个互不相识的人，被神秘人关进一间密室之中，并且每隔十分钟就会杀死其中一个人！究竟是什么原因？在这场死亡游戏中，八个人里谁能生存下来呢？他们能否逃出生天？ ......
MBC新日播连续剧《归来的福丹芝》讲述的是遇见从白马掉下来的王子的生计型江南大妈“福丹芝”，会沉浸凄凉的内心的、温暖的“正宗家庭言情”电视剧，将于2017年5月首播。
松尾铃木与女优的30分钟
所以你最好连夜出京城，不然我大哥和板栗哥哥肯定会抓住你。
自己做到了，可是在几年之后的今天，这一切似乎就如同过眼烟云一般，又要消散在眼前。
然而托尼并没有就此满足，他先是从委内瑞拉的毒枭那里接下了大单子，接着将自己的眼中钉一颗颗除去，势力不断扩大。当他的老大感受到威胁时已经太晚了，托尼将老大干掉然后一统了迈阿密毒品市场的天下。
吴姨娘便笑对青蒜道：我帮姑娘粘了双鞋面，选了几个花样，姑娘瞧瞧喜欢哪个。
精灵活泼的少女林妙妙中考超常发挥，意外考入重点高中，妈妈王胜男扬眉吐气。高一住校，挣脱妈妈掌控的林妙妙如鱼得水，结交了三个好友，校花邓小琪、学霸钱三一和江天昊，成为校园广播站主播，俨然“人生赢家”。学神如云，林妙秒成绩惨遭碾压，面对来自“我儿子成绩全市第一”的裴音的正面暴击，王胜男的斗志被全面点燃，开启陪读生活。冤家路窄，竟和裴音家成了邻居。王裴二人冲突不断升级，却因婚姻问题惺惺相惜，成了闺蜜。高三来临，林妙妙经历了父母感情的震荡，钱三一隐忍着父母的貌合神离，江天昊突遭家庭破产，邓小琪因为妈妈的秘密被曝光跌入谷底。少年们桀骜不驯，迎着阳光、风雨，如春草般蓬勃生长。高考结束，少年各奔前程，内心充满伤感及对未来的期待。四个家庭经历波折，找到了各自的方向，收获着动人的成长。
Iterator pattern provides a way to access each element in a collection object sequentially without exposing the internal representation of the object, which can not only not expose the internal structure of the collection, but also allow external code to transparently access the internal elements of the collection. The specific structure diagram is shown below.
