2. Then add a cache list to the publisher to store callback functions to notify subscribers (for example, the above buyer has collected the seller's store, and the seller has collected a list list of the store).
Visitor mode is to encapsulate some operations applied to a certain data structure. Once these operations need to be modified, the data structure that accepts this operation can be saved unchanged. Visitor mode is suitable for systems with relatively stable data structures. It reduces the coupling degree between data structures and operations acting on data structures, making the set of operations relatively free to change. The specific structure diagram is as follows:
范文轩摇摇头：阳儿稳重不假，但智谋略有不足，很多事情上缺乏精确的自主判断。
Criteria for citation
范增轻声道：放谁好呢？此人必须要能震得住，而且不会和刘邦联合才是。
因现实无奈与女友小萱分手的车头，数年后依靠贩卖情趣用品为生却受邀参加小萱的婚礼。谁知婚礼前一天小萱 被神秘人绑架，为了救回心爱的女人，他和好友锤子需要在二十四小时之内拿回曾经卖掉的劣质充气娃娃。可却因此落入一场 精心策划的犯罪局中局，意外接二连三上演……
俄克拉何马州小城弗林特，警探Ralph Anderson当着一群人的面逮捕了很受欢迎的老师兼少年棒球联赛教练Terry Maitland，指控他X杀了一个男孩，并将其分尸。Maitland坚称自己无辜，但Anderson有目击者和确凿的证据(DNA和指纹)证明他有罪。
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张杨见玉米正埋头临帖，便走到他身后，凝神观看。
"No, the whole waist is broken and people are divided into two parts from the middle." Wang Zeduan said.
新婚燕尔萧文、贺雪薇从海外归来第一天就遭遇了令人难以想象惨剧--著名戒毒专家、萧文父亲突然身亡
How is this MotionEvent transmitted?
The 24th Olympic Games in 1988 was included in the official competition.
Http://www.jiemian.com/article/1943812.html
When pregnant, his wife's whole body was swollen enough to be unable to walk. What does it have to do with him?
本剧根据李世民几个儿子争夺储位的真实历史事件，艺术地编织了他废立皇储的曲折故事，通过庶出皇子李恪、李佑等人与长孙一脉的三个嫡出皇子李承乾、李泰、李治间的储位之争，布置了大量悬念，矛盾冲突惊心动魄，扣人心弦。国家重任，民族未来的选择，让李世民经历了深重的情感炼狱，他长期在封建君王的责任和父子之情间徘徊，不断遭受着心理的折磨。不过，理智最终战胜情感，通过长期考察，他选定了聪明仁爱的皇子李治作为自己的接班人，扶助他继承了帝位，使得贞观的政治路线得到延续……
Many women become strong at an alarming rate after giving birth.
也许这部电影真能翻出新的花样来……随着时间的推移，大众对《唐伯虎点秋香》的好奇心越来越浓，最后攀升到了一个顶点。
战争之后，日本被分为南北两个部分。美军统治下的青森县，少年藤泽浩纪和白川拓也都喜欢同年级的同学泽度佐由理。他们的心中都有佐由理，还有那个东西——边境以北的津轻海峡，日本北海道联盟建立的高耸云端的“塔”。巨大而神秘的的塔，是三位少年少女的向往，他们约定，建造小型飞机，飞向 塔去一探究竟。
小分队内部的猜忌越来越严重，众人身上仿佛都有疑点，洪风锁定了莫三甲为叛徒，莫三甲却拿出证据证明洪风才是叛徒，小分队一度濒临绝裂……
