Publish-subscribe mode is also called observer mode. It defines a one-to-many relationship between objects, allowing multiple observer objects to monitor a topic object at the same time. When an object changes, all objects that depend on it will be notified.
The above is compiled from the post-war oral memories of Kang Yuanlian, the company commander of the 2nd Company who took part in the 142 battle earlier, and Liu Guangyuan, Wang Zeduan and Zhao Mingkai, the soldiers who were responsible for guarding the 142 position and took part in the whole process of fighting the two "living biological weapons" of the Vietnamese army.
玩家可以任意结交各种天启小说的女性人物，要求她们加入队伍，结为队友一起冒险，甚至还可以更进一步，和这些女侠结为伴侣。
《神奇校车》是美国国家图书馆推荐给所有学龄前儿童和小学生的课外自然科普读物，是全美最受欢迎的儿童自然科学图书系列之一。1994年，美国Scholastic集团将其改编成动画片推上银幕。在一次次不可思议的神奇之旅中，让孩子们体验原理、学会操作、懂得思考、爱上科学。
Bring the handling materials and expenses (cash only) to Jiangsu CA outlets for handling (see point 3 for details). No invoice will be issued on site, and the electronic invoice will be sent to the mailbox in about one month.
改编自著名角色的《神探南茜 Nancy Drew》讲述18岁的Nancy Drew（Kennedy McMann饰）高中毕业后满心以为自己能离开家乡往大学去，但家庭惨剧却令她计划被拖延一年，不过留在家乡的她在调查凶案的过程时，却发现背后所隐藏的秘密。
When Tony flew to the entrance of the cave with the bomb in his arms, Stephen's anger replaced sadness, but at the same time he was afraid to let go. He looked at the future and knew Tony would not die. In fact, as he saw, he was extremely angry.
被李俊基诱惑的第一个牺牲者是车宇植（金善浩 饰），宇植是曾当过“无名idol”的歌手志愿生，是举世无双的“难搞男”，他中了俊基的计把全部财产都投资给威基基。
王琦瑶在不同的年龄和时间，和四个男人上演了不同的情感故事。程先生不仅见证了王琦瑶的一生，他本身的人生轨迹和命运沉浮，也和王琦瑶的一生相互映照；两人共同走过了这段千疮百孔的感情，百感交集的岁月……
Although everyone around her tried to help her, Mary was alienated from the outside world and outsiders could not understand her despair. "Just like the safety island and friendship island in" Brain Secret Service "were destroyed. Only I survived there."
非常識宴会 石黒賢 河原さぶ
D > B enters the synchronized block, and since instance is not null at this time, it immediately leaves the synchronized block and returns the result to the program calling the method. E > At this point, thread B intends to use the Singleton instance, only to find that it has not been initialized, so an error occurs. Therefore, there is still the possibility of errors in the program. In fact, the running process of the program is very complicated. From this, we can see that it is more difficult and challenging to write programs especially in multi-threaded environment. We further optimized the program:
这倒也是……杨长帆托腮道，像是特七的脾气。
本剧以三十年代为背景，是一部反映家族恩仇，人性善恶的怀旧片。故事围绕财产争夺、复仇、爱情与婚姻悲剧。剧中主要人物在一场行将到来的灾祸和杀机面前，各自都面临了命运逆转和精神上的剧变。
田家破产，田儒觅为了东山再起设骗局让儿子田佑年迎娶百里冰，却恰逢田佑年回国，闹出了乌龙。回国的田佑年积极投身中国第一台机车的制造工作中，日本特务梅川和野上破坏机车制造。百里无垠因开机车触及了他的利益而屡次阻挠却没能成功。百里冰和田佑年日久生情。田儒觅为田佑年相亲，百里冰心中吃醋与田佑年一吻定情。
祝延平版《武松》通过“景阳冈打虎”、“兄弟话别情”、“斗杀西门庆”、“醉打蒋门神”、“身陷都监府”，“血溅鸳鸯楼”、“二进十字坡”、“二龙山聚义”这个8个小故事，将武松传奇而平凡的一生刻画的淋漓尽致，在他身上我们看到了什么叫“逼”——丑恶的社会在逼迫武松，让他好人做不得，他不得不杀人，当武松只有杀人这一条路可走时，杀人的标准也就不再象以前那么精确，而是模糊了，道德的约束也就随之瓦解了。
三个年轻人为了让他们的冒险频道增加更多的人气，去神秘的城市卡萨布兰卡旅行，却没有意识到它隐藏了一个可怕的秘密。
静小姐在市井朋友万人敌的劝说下决定打劫齐国公的不义之财。不料找错了人，云南王之子、安宁公主的准驸马白云飞成了静公主等人的下手对象。静公主夺了白云飞的订亲镯子。朱允出宫后遇见了善心大发的静公主，他对这个仗义疏财颇受市井百姓
Below are some pictures taken by Huawei Mate10Pro.
