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.
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.
年轻的单身母亲达莉娅（詹妮弗·康纳莉饰）刚和不忠的丈夫离婚，虽然心碎无比、急着抛开过去，但和前夫争夺小女儿西西的监护权，则让她更为操心。为了逃开原来的伤心地，和过去的生活作个了断，达莉娅决定带着女儿搬进了纽约路斯维特岛郊区生活，新的工作、新的住所，一切似乎有了转机。
电视剧讲述了曾经是不良少女的新手护士·立花遥（中条彩未饰演）和想快速结了婚辞掉工作但苦于找不到合适的结婚对象的34岁的前辈护士·三原夏美（水川麻美饰演）于四季综合医院外科住院部的医疗战线上共同奋斗成长的故事。
杨长帆心下琢磨着，等胡宗宪回来又不知要过多久，自己这批铳急着上场试验呢，怕是等不了，当即问道，首批燧发铳，能否交予戚参将安排？好说，我代汝贞允了。
单身父亲宋大年是一名出租车司机，为了给儿子更好的生活条件，他在下班之余也会接一些私活。在一次做酒后代驾的时候发生了意外，宋大年撞死了人。他对受害者家属十分愧疚，除了经济赔偿之外也一直努力地对受害者家属进行补偿。他在生活中对受害者家属翠翠关怀备至，甚至在翠翠早产后需大量输血时挽救了翠翠母子的性命。赔偿后宋大年的日子过得十分艰难，失去工作，到处打工。在最艰辛的日子里，前妻一家以及朋友都对宋大年伸出了援助之手，也正因如此，无论多辛苦他也没放弃过对生活的希望。翠翠也渐渐地被宋大年的真诚所感动，原谅了宋大年。最后，死者被发现原是自杀，洗清冤屈的宋大年和翠翠确立了感情。每一个人都对生活抱有了真心与善良的态度，人们渴望幸福，守护幸福，最终大家都获得了幸福
Star Trek: Enterprise(星际旅行:进取号) 是Star Trek 星际旅行系列的第5部电视连续剧. 由Rick Berman 和 Brannon Braga创作, 2001年开播。设定在22世纪, 剧情随着 Enterprise进取号的航程而展开, 第一艘能达到曲速5的地球星舰。这部电视剧在很多地方打破了常规，它是唯一一部以正常的角色分派贯穿整部剧而且未作过任何更改的"星际旅行"系列电视剧，也是第一部以HDTV格式拍摄替代传统的4:3格式的"星际旅行"系列电视剧，也是第一个从整个系列的开始到结束全部采用电脑成像技术来表现飞船，也是唯一一部有带歌词的片头主题曲的"星际旅行"系列电视剧。这部电视剧原先的标题只有Enterprise进取号; "Star Trek"星际旅行是在第3季"Extinction"这一集才被加上去的。拍了四季以后, 这个系列被UPN 在2005年2月2日终止了,
《莽荒纪之川落雪》讲述的是纪氏部落天赋异禀的少年武者纪一川，在保卫家族、守护爱人之路上历经种种磨难、辗转几重悲欢，最终凭借赤子之心，战胜强敌并收获爱情的故事。
尽管如此，她对这些孩子都视如己出，一样的疼爱。虽然过程中难免会遇到些问题，有的会质疑她偏心、有的会说她是后母。在这融合的过程中，她辛苦过、沮丧过、开心过、流泪过，她也曾一度放弃过。当一切似乎正慢慢步上轨道时，上天又再度跟她开玩笑：先生病故、孩子一个个离开她。当她仰头看到天上的星星，她就想起孩子一张张的脸。
2. The other is to configure various parameters in mainfest according to application scenarios to minimize activity anomalies caused by configuration parameters;
Category division is specified through the Coding Matrix. There are many forms of coding matrix, the common ones are binary code and ternary code. The former specifies each class as a positive class and an inverse class respectively, while the latter can specify "disabled class" in addition to the positive and inverse classes. FIG. 3.5 shows a schematic diagram. In FIG. 3.5 (a), classifier f2 takes samples of Cl and C3 as positive examples and samples of C2 and C4 as counterexamples. In FIG. 3.5 (B), classifier f4 takes the samples of C1 and C4 as positive examples and the samples of C3 as counterexamples. In the decoding stage, the prediction results of each classifier are combined to form the code of the test example. The code is compared with the corresponding codes of various types, and the category corresponding to the code with the smallest distance is taken as the prediction result. For example, in Figure 3.5 (a), if based on the European distance, the prediction result will be C3.
芝加哥艺人德翁·科尔推出个人首部时长一小时的 Netflix 原创喜剧特辑《德翁·科尔：科尔心肠》，其中笑料不断。这部特辑相比他在 Netflix 单口喜剧剧集《单口喜剧大杂烩》中的表演尺度更大更迷人，笑果加倍。科尔讲述了新的无底线笑话，包括给陌生人薄荷糖、黑人用餐、发生性关系后怎么打招呼以及保护喜剧这种如今唯一真实的表达形式。这部特辑于 2019 年 10 月 8 日在 Netflix 全球发布。
说着范增看着手中的奏报，很是疑惑，南越赵佗突然北上闽中，偏偏又突然撤离这是为了什么？这到底是想要做什么？当真让人有些费解。
I nodded at this passage, Understand that what Zhang Xiaobo said is indeed reasonable, It is not a lie, Here I think it is necessary to give you one thing about popular science. So we have to say something digressive: The result of a real bullet hitting a petrol tank is not the same as that shown in most movies. One shot can explode the petrol tank, But this is not the case, Although a pure metal projectile will rub against the air at a speed of hundreds of meters per second to generate equivalent heat, And will produce sparks after hitting the metal oil drum, But none of this is enough to ignite petrol, Especially for gasoline with a large total amount, to ignite gasoline, please remember one thing-open flame must be used. In addition, gasoline is a flammable item, but it is not an explosive item in the true sense. Only after reaching a certain total amount can explosion be caused. If the total amount is insufficient, it can only cause combustion without explosion.
Unicom
大都市梅陀宝丽斯，被称之为本时代进步象征的超级摩天大厦正在举行落成典礼。手握本市实权的RED先生（石田太郎 配音）台上演讲正酣，台下一名黑衣青年男子ROCK（冈田浩晖 配音）却在警备重重下公然拔枪杀人，群众一阵哗然骚乱。目睹此事的日本侦探伴俊作，携外甥剑一（小林桂 配音），开始进行全市的追凶调查。但是ROCK被判明只是射杀了机器人，凶手若无其事的离去了。
确实，矫情点儿的话，妾不能上桌吃饭。
那随你。
