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:
《水晶的跳动》是原作系列中案件最为大胆复杂和有冲击力的故事。某一天，在一间被染成血红色的房间里发生了变态杀人事件。在调查的过程中，如月和鹰野所处的附近竟然发生了爆炸，他们将面临从未有过的危机。
再喝了掌柜的送来的醒酒汤，才叫鲁三进来。
但某次突然的事件，迫使Beth重新去思考自己的过去，并且永远改变了她的生活。剧集通过年少时期Beth讲述故事这样的倒叙手法，来回顾了这个女孩的曾经- - 她是谁，又究竟想要获得什么。而这段深入回忆的旅程，亦是真实面对自己的开始；那里充满了创伤、喜剧还有试图向前看的努力。
木村多江主演， 故事叙述木村饰演的八卦杂志约聘记者沙织，不怕自身危险地四处为了揭发丑闻而奔走。她会对丑闻如此执着是有原因的沙织的丈夫原本是一名前途无量的政治家，但却因为被凭空捏造了丑闻而痛苦自杀。知道这件事情的沙织 决定反治其人之身。以揭发捏造他丈夫的丑闻的人们的丑陋秘密作为复仇
The implementation of MDT decision-making in clinical practice should be monitored.
一介书生牛喜内心充满理想且正直、善良而又聪慧、幽默，但偏偏屡试不中，在世态炎凉的社会里，牛喜为躲债只得携妻带子背井离乡，在异乡小店里牛喜已弹尽粮绝，店主却逼牛喜付清店钱才能上路。几乎同时大贪官朱喜却因贪污巨款而东窗事发，幸得当朝太师庇护才得以从轻发落。朱喜被贬为三鸦县县令，他与太师达成交易，藏好财宝以伺机东山再起。
1927年，滇军策应广东革命政府北伐号召征讨军阀唐继尧，双方激战昆明城外。马夫兵杨志华凭借天赋一炮命中杜清时的战地指挥所，虽然战败被俘，却因神炮技艺死里逃生。杨志华阴差阳错考入讲武堂，和高材生杜清明冲突频发。但其得到教官枝野胜男的严酷训练，成为最没文化的神炮手。抗日战争爆发，杨志华加入八路军部队奔赴华北战场，意外与杜清明重逢。一个八路军营长，一个国民党教官，二人摒弃前嫌，携手抗敌，与枝野胜男多次较量，师生决战战场。枝野胜男出尽奇招，组建特种部队，杨志华的炮兵营多次陷入危机。历经挫折考验，杨志华和杜清明反败为胜，在关键战役打败枝野胜男而名声大噪。抗战胜利，国共分裂，杨志华和杜清明又在济南战役兵戎相见。
/jk (joke)
在韩国长大的安平原，对自己已经故去母亲的印象全部来自于姑姑和爷爷的描述：一个为了自己的私情，抛弃亲生儿子的风流寡妇。平原从小性格沉郁压抑，如今他身为韩国美联集团的唯一继承人，正准备为了家族事业而迎娶林氏集团的千金林美姬小姐。在订婚宴上，平原突然得知了母亲尚在人间的消息，他不顾一切来到中国延吉，踏上了这段异国寻亲之旅。
RS485 circuit
The system/organ/disease discussed can be added before MDT to become the complete MDT name, such as upper digestive tract MDT and breast cancer MDT.
CW续订《超级少女》第三季。卡拉经过和恋人痛苦分离后，独自度过痛不欲生的七个月，于这段期间开始靠四处打击犯罪来消遣悲伤情绪，甚至开始怀疑她是否要放弃人类身份，以永远接纳她的英雄使命。经过一场重大案件，卡拉才学会接受并找回自我，而蒙·艾尔后来突然现身于地球本让她感觉皆大欢喜，但后来才得知他曾经穿越到31世纪的未来并度过七年，甚至和另一名女子结婚。另一边，乔恩短暂参与火星反抗战争时，惊讶地得知他的父亲梅林·琼兹其实还活着。而艾莉丝原本迫不及待地筹办她和女友玛姬的婚礼，但后来却因为要小孩的事情不对盘，两人因此忍痛分手。而一位卡拉和艾莉丝的新朋友萨曼莎·艾莉亚斯，表面看似是普通单亲妈妈的她，其实是一位氪星不明派系所哺育出来活人武器“灭世者”（Worldkiller）之领袖“主宰”（Reign）。
南宋时期，惨遭灭门横祸的郭靖、杨康分别在江南七怪与全真教道士丘处机的教养下成人。18年后，郭靖奉师命南下。杨康却贪恋富贵，认贼作父。郭靖与黄蓉一见如故，彼此倾心，但因华筝之婚约在先，以及江南七怪的反对等多种因素，两人情感可谓一波三折。五位师父被害于桃花岛，郭靖愤而离开黄蓉。这一对两情相悦的青年，经历了坎坷磨难，才修成正果。恶言恶行的杨康，也难逃惨死在嘉兴铁枪庙中的命运。郭靖随黄蓉故国万里行，遍识天下武林高人，武功日见提升，终于得以报杀父深仇，消师门积怨，夺《武穆遗书》，率大军西征，承亡母之教，上华山论剑，救襄阳国难。这位原本纯朴憨厚、木讷愚钝的射雕英雄，变成一个为国为民、悲天悯人的侠之大者。
"The first few hours of the battle were the same as before, We use all kinds of weapons in our hands in our positions. Strike the attacking Vietnamese troops, The exchange of fire was very intense, The front of the position was covered with the bodies of the Vietnamese army. We also have a lot of wounded on our side, However, after all, it is based on strong fortifications. More wounds, less deaths, In particular, the wounded are mainly minor, All of them can continue to fight without getting off the line of fire. At that time, my monitor was quite happy. If you play like this, There's not much pressure to hold position 149, The Vietnamese army that could fight could not even get close 400 meters away from the front of the position, As a result, it was only over an hour after he said this. I remember it was one or two o'clock in the afternoon. Something is wrong, The left and right wings of the position, It's two sparse rain forests, The positive was the same, But before the war, in order to facilitate the offensive forces to assault, All of them have been cut down by Vietnamese troops, But it also broadens our horizons, However, it is still unclear what is going on in the rainforest on both sides. Just when something was wrong, First I heard a "buzzing" sound inside, At first it was a little bit, Later it grew bigger and bigger, At last it was so big that it could almost cover the shot when it was fired. No one in our position knows what's going on, All of them stretched out their heads and looked in the direction of the sound. When the "buzzing" sound reached its peak, they saw that a large area of flying insects flew vertically from the rainforest on both wings. If the number were small, whether the sound or flying insects could not be heard or seen at this distance, but now they could hear clearly.
In fact, not necessarily. The poor who have been caught in a vicious circle for a long time will soon become poor even if they become rich occasionally. The National Bureau of Economic Research of the United States has conducted a survey: in the past 20 years, the bankruptcy rate of European and American lottery winners has reached 75% within 5 years.
三更送上。
阿木求文太出战中里毅，文太听到GTR的厉害，有点心动。凉介和中里毅在豆腐店出现，原来两人查出文太是当年的传奇车神，并向文太下战书。挑战之夜，AE86上山。阿木见来者竟是拓海，吓了一跳！山路上，AE86再战GTR，拓海利用沟渠拐弯技术将之击败。凉介更诧异于拓海的赛车技术全凭感觉，根本毫无认识。阿木及拓海遇上岩城清次（刘畊宏饰）挑战，拓海虽险胜清次，岂料接着却被清次的好友须藤井一（陈小春饰）报仇。拓海力战下，AE86超越机件极限，引擎失灵。同时，阿木目睹拓海的女友夏树（铃木杏饰）与一个男人步出酒店。拓海同时面对信心、友情及爱情的挑战，究竟如何面对？
Do you have any idea?
《特战英雄榜》是湘西文源影视文化有限公司出品，彭景泉执导，张铎、刘梦珂主演的抗战剧。1938年，关四斤率领的江南游击队被改编加入了新四军，延安派来的军政干部余纯良，锄奸科长王时光和刚参军的冷珊等人也加入了部队。而国民党也派出团长庞涛收编关四斤部。同时，反动武装燃香会头目彪哥，双料间谍李道余，还有民间武装首领笑燕竹，都成为关四的作战对手。面对错综复杂的作战局势，关四斤和余纯良与各种敌对武装展开了艰苦卓绝的斗争。“皖南事变”后关四斤因犯错被划为死刑犯，与庞涛、彪哥、李道余等八人被押往苏北。途中屡次遭遇日军及反动势力的围堵，为团结和争取一切可以抗战的力量，关四斤等人以坚定的革命信念和大智大勇，经受了前所未有的严酷考验，迎来了最后的胜利 。
