The following figure shows the push-in stack:
It is found that many beginners of design patterns have some characteristics, that is, after learning a certain design pattern, they seem to understand it, but they do not know how to use these so-called elite experiences and suffer from not knowing how to start. When I first learned design patterns, I had similar experiences. I shared my experiences, hoping to be helpful to beginners.
杨长帆行礼过后必然要招待，屋子太小，咱们还是只能在门口将就一下，两位大官人恕罪。
During the establishment of a tcp connection, If the server returns syn and ack messages, The client does not confirm it for some reason. This is because the server needs to retransmit the syn + ack message and wait for the client's confirmation message until the tcp connection timeout. This state of waiting for the client to confirm the connection is usually called a half-open connection. The half-open connection will be kept in the connection table of the server until the connection is disconnected.
漫画作者毛豆子反复删改漫画，导致画中大反派苏望崩溃来到现实世界“逼迫”作者给自己一个了结的故事，但两人却在相处中产生了感情，一起应对已经来到现实世界十年之久的漫画男主角江霖给两人造成的危机。
世上最锋利的刀是看不见的，傅红雪的刀便看不见，但他的刀并不是最锋利，最锋利的刀是时间。 二十年前，一宗梅花庵外的灭门血案，轰动武林。二十年后，血案主角的遗孤傅红雪长大，万里追凶，在沉三浪暗助下，查出自己原来并非真正受害者的后人，但他的情人翠浓已为他牺牲了……
在2016美国总统大选进入白热化阶段之际，第一夫人克莱尔（罗宾·怀特 Robin Wright 饰）与丈夫弗兰西斯·安德伍德（凯文·史派西 Kevin Spacey 饰）走向决裂，谋求政治上的新发展，弗兰西斯接连败阵，焦头烂额。雪上加霜的是，先驱报记者卢卡斯·古德温（塞 巴斯蒂安·阿塞勒斯 Sebastian Arcelus 饰）假释出狱，铤而走险刺杀安德伍德，使美国陷入空前危机。但是这次枪击案意外弥合了安德伍德夫妇之间的裂缝，也导致强敌邓巴退出大选。一波未平，一波又起。极具明星光环的共和党候选人威尔·康威（乔尔·金纳曼 Joel Kinnaman 饰）强势登场，克莱尔寻求副总统席位，恐怖分子制造绑架事件，更有媒体对安德伍德历年涉及的脏事展开深挖掘。为了保住现有的一切，站在民主和自由荣光下的总统不惜制造恐怖与战争……
For example, Xiao Hong recently saw a pair of shoes on Taobao. But after contacting the seller, Only to find out that these shoes were sold out, But Xiao Hong likes these shoes very much, So contact the seller and ask when the seller will have the goods. The seller told her that it will take a week to have the goods. The seller told Xiaohong that if you like, you can collect our store and inform you when the goods are available. Therefore, Xiaohong collected the store, but at the same time, Xiaoming and Xiaohua also liked the shoes and collected the store. They will be notified in turn when the goods arrive.
一段爱情，在战火中燃烧，逾越了道德，改变了战局。艾马殊（拉尔夫•费因斯 Ralph Fiennes 饰）是一个历史学者，跟随探险家来到撒哈拉沙漠考察，结识了绘制地图的飞机师杰佛和他妻子凯瑟琳（克里斯汀•斯科特•托马斯 Kristin Scott Thomas 饰）。凯瑟琳的才气和美丽让艾马殊深深着迷，两人在沙漠一个幽深洞穴参观壁画时，更加发现彼此志趣相投。
[News] On September 30, Tunliu County Commission for Discipline Inspection issued a "Circular on the Dinner and Drinking of Some Teachers in Tunliu No.1 Central South Campus", which aroused public concern and was questioned by many people. According to the bulletin, Duan Xudong, Sun Bin and 22 head teachers of Grade 2 in Tunliu No.1 Central South Campus went to Jinhaitang Hotel, Shuguang Commercial Street, Tunliu County, for dinner and drinking after the school holiday. During the dinner, a total of 1,390 yuan was spent and AA system was adopted to pay. The circular pointed out that the incident occurred at noon on weekdays in the vast majority of government agencies and units, causing adverse effects in society. After a study and decision by the Standing Committee of the County Commission for Discipline Inspection, Duan Xudong and Sun Bin were ordered to conduct a public review at the teachers' conference, conduct a collective interview with the other 22 class teachers involved, and report the matter throughout the county.
虽然被誉为世界最强的魔法使【贤者】盖亚斯对诞生的徽章的性能感到极限。他为了改变自己的徽章而采取的手段——那就是通过转生获得新的身体！他在遥远的未来世界转世，所追求的“最适合魔法战斗的徽章”得到了马蒂亚斯这个名字。但是，那个徽章在这个时代不知为何被称为“失格纹”……！在时间流逝的今世，魔法衰退，低水平的魔法理论横行霸道。魔法战斗最强的“失格纹”和兼具贤者智慧的少年马蒂亚斯，将不断打破世界常识！异世界徽章幻想，在这里开幕！！
7. Slow down signal: the right arm extends horizontally to the right and forward, the palm is downward, and swings horizontally and downward;
急急忙忙说完，才低头对葫芦一板一眼道：我娶了宁静郡主，按理说你跟淼淼该叫我们三叔三婶。
You can enter "M" to enter, or you can directly click the move command button with the mouse to activate the move command, select the object, space or enter to move, determine the selected object, select the base point and select the target position.
英武帝瞅着她娇憨的神情，哦了一声，却闲闲地说道：朕看你现在对着朕，还是一点也不怕的样子。
哦？张功曹眉头一皱，想起临走时陈县尉再三交代，除了粮食尚有一件极重要的东西，不敢耽搁。
故事以祸国殃民的「黑米」鸦片为题材，自鸦片传入中国以来，不知多少人因毒瘾而丧失心智；不知多少家庭为吸食鸦片而倾尽家财? 家散人亡；不知多少百姓毒癖深种而变得颓靡不堪！故有歌云：「大烟是杆枪，不打自受伤。几多英雄汉，困死在烟床！」
她放缓了语气，道：即便如此，在下也要问明情由，总不能稀里糊涂地跟你们去救人。
