Conclusion: As the name implies, singleTop, if the current instance is at the top of the current task stack, it will be reused directly to test scenario 1. If the current instance is no longer at the top of the stack, create a new instance, such as Test Scenario 2, because it jumps from FirstActivity to SecondActivity every time. Although the SecondActivity instance already exists at the time of jumping to SecondActivity for the second time, another SecondActivity instance is created because it is not at the top of the stack.
Behavioral pattern is an abstraction of dividing responsibilities and algorithms among different objects. Behavior patterns are not only about classes and objects, but also about their interactions. Behavioral patterns can be divided into two types: class behavior patterns and object behavior patterns.
「或许能力不好，或许财力不够，但我从来没有怀疑过诚品的理念。。。。。。」—吴清友。吴清友广为人知的是在三十九岁时创立诚品，提供阅读与生活的美好体验；但鲜为人知的，是他年少叛逆与充满挫折的求学过程、浪漫与精明背后的心路历程。
陕西关中地区的一个村子，是东风农业社的所在地，那里充满跃进的气息。青年女生产队长李春兰在党支部陈书记的亲自领导下，带领十多个姑娘搞“棉花生产试验田”。她们为这块棉田费尽了心血。李春兰决心要和邻社的植棉能手张秀芳竞赛，她发誓“赶不上张秀芳就不结婚”。棉花的生长一切顺利，姑娘们为棉花打尖、施肥和灭虫，劳动干劲很高。但是，李春兰却发现，在这个关键时刻，棉花好像出了一些意想不到的问题。。。。
在魔界等待你的是恶魔7兄弟和堆积如山的课题!?
大家都饿肚子，打起来谁怕谁？难道我们比南蛮子胆子还小不成？众人大怒：老子怕他们？笑话。
A documentary show about troubled girls who are are juvenile delinquents in Madison Juvenile Center
(4) A sailboat.
罗七道：先生，只要料理了这些人，先前的小子跑不了。
刘邦轻轻点点头，觉得张良之言全在情理之中。
[News] On October 5, a post entitled "The Company's Female Employees Queue up Every Morning and Bosses Kiss One by One" was posted in the Iron and Blood Community. The article said: The Company is located in Majuqiao, Tongzhou, Beijing, and is a company selling home-brewed beer machines. More than half of the company is a female employee. In order to make the company's corporate culture unique and unite the hearts of the employees, the company stipulates that 9: 00 to 9: 30 every morning is a special time for the company team to build up feelings. Every day, female employees queue up to receive kisses from their bosses in turn. Subsequently, relevant videos and screenshots were widely circulated on the Internet, and media such as Dongfang Headline, Guangming Network and Yangguang Network forwarded them one after another.
Strategy mode: Pay attention to the encapsulation algorithm, support the change of algorithm, and replace the algorithm independently of the customer at any time by encapsulating a series of algorithms.
池玥笑了：看来你也是被人焐热的？虽然我现在还没爱上他，但是他是我现在唯一想爱上的人了。
一次偶然的机会性感女神关小迪接触到保镖行业，并在机缘巧合下进入保镖培训中心，进而结识了其余四位各怀绝技的美少女。异乎寻常的魔鬼训练中，关小迪和她的小伙伴们身体被击垮、自尊被打碎、人格被重塑，从不谙世事的叛逆少女逐渐成长为合格的女保镖。历经磨难、浴火重生的五朵姐妹花在终极考核中遇到了突发事件，必须有一个人牺牲掉自己的考试，才可能完成任务。关键时刻，关小迪牺牲了自己，帮助队友们完成了任务。考核结束，面对四个成功毕业的战友，坚强的关小迪哭了，严厉的魔鬼教官却笑了。原来自我牺牲才是最重要的考核。关小迪以第一名的成绩和小伙伴一起通过了最后的考核，成了一名真正的保镖。由此五朵金花将开启一段关于麻辣女保镖的传奇。
20世纪50年代末60年代初的香港，警匪勾结，乌烟瘴气。其中，九龙城寨更是一个龙蛇盘踞，令人闻风丧胆的混乱所在。 无所事事的小青年阿豪（刘青云 饰）和阿乐（吴镇宇 饰）偶然混迹于此，为这里的乱世气氛所感染，乐不思蜀。他们合伙赌马诈钱，惹来庄家追杀，幸得当时城寨大哥肥宝出手方保住性命，二人的命运也自此发生转变。阿豪拜入肥宝门下，后与肥宝的小姨子大胆英（彭玲 饰）相恋，他果敢勇猛，风头无两；阿乐当上警察，与曾和阿豪有染的女孩菲菲（朱茵 饰）结婚。为了让虚荣的妻子过上幸福生活，他不惜选择贪污堕落。 两个分处黑白道的好兄弟，携手打拼出一个属于他们自己的天下……
尹晴柔，一个来自21世纪的小女生，因为意外碰触机关来到了历史上根本不存在的王朝。幸运地被一个冷酷王爷捡回了家，这位元气神经少女与形形色色的王宫权贵的故事也由此展开。
她就是这样现实的人。
深夜，缉毒大队长接到神秘电话，匆忙赶到市郊的仓库，赫然发现三年前派出的卧底被吊在旗杆上，手筋、脚筋俱被挑断；当他回到家中，在洗澡间猛然发现妻子的裸尸，镜子上写着血债血偿。大队长面对好友及妻子的惨死，痛不欲生，疯狂扫荡本市的贩毒集团，却发现自己已经深陷泥沼；英勇睿智的铁汉收拾悲伤、复仇的心情，重新部署侦破工作，随着线索一丝丝浮出水面，发现妻子的惨死竟然与追缉三年的贩毒首脑有关；幕后真相即将揭示，关键证人却一个个离奇失踪，贩毒首脑竟也服毒自杀，仿佛有一堵无影之墙始终无法跨越。 本剧情节迭起、悬念不断，毒品、血腥、生死搏命充斥了情节的发展，真实反映了一场生与死的抗争，一场人性和兽性的搏杀，一场充满了死亡、欺诈和恐怖的战斗。
The most important and direct way to distinguish is to look at the lines on the body.
