Liskov Substitution Principle, LSP (Richter Substitution Principle) means that subclasses must replace their parent types. In other words, in the process of software development, after the subclass replaces the parent class, the behavior of the program is the same. Only when the subclass replaces the parent class and the function of the software is not affected can the parent class be truly reused, and the subclass can also add new behaviors to the parent class. In order to look at an example of violation of LSP principles, the specific code is as follows:
11. Stocks are very expensive and have gone up a lot, which is not the reason why you refuse to buy or sell. He may rise even higher.
他没有韩信和彭越，说不定根本不是我们的对手。
The reason why it is difficult for shareholders to make money is that there are too many opportunities to make money, not the opposite. The more you pay attention to how much money others make, the harder it will be for you to make money. The more you feel that your stock is difficult to make money, the less money your operation will really make. Just like there is a kind of pet called "other people's pet", there is always a kind of stock called "other people's stock". When you see it in your eyes, you lose it in your heart.
The message was gray. I tried on two pairs of shoes. The colors matched well and were not abrupt at all.
本剧讲述了扮演富二代的男主角与保镖的女主角在家庭遗产纠纷中所发生的爱情故事。
虽说他见多了庄户人家各样稀奇事，但万元奶奶这样的，还是让他觉得匪夷所思。
本片根据同名网络小说改编，并荣获第六届北京大学生电影节最佳处女作奖、第六届印度国际儿童电影节最佳导演奖、首届阿根廷国际儿童及青少年电影节获“综观全景”（故事片）类最佳儿童故事片银风筝奖。
芥川奖作家·又吉直树于2017年为别册KAWAKAWA特集号而写的恋爱随笔《我喜欢的女孩》，由作为新锐剧作家·电影导演而活跃的玉田真也将其长篇电影化。
项羽笑道：这个我自然相信，那乌骓马也就赠送给东来你了。
[Introduction] Five articles of the "Three Rural Areas Social Practice Report" collected by 51job Kao Network are for your reference and more relevant contents. Please visit the internship report channel.
在Ragnar Lothbrok死后，本季故事将围绕Bjorn、无骨人Ivar、Harald Finehair国王、Lagertha和Ubbe五方的权力之争展开。当本季开始时，无骨人Ivar宣布自己是「维京雄狮」的领袖并控制了约克城，而Lagertha则以女王的身份统治着卡特加特海峡。Ragnar的儿子们以各自的方式策划为父亲报仇雪恨，但是Ivar在激烈的争执中谋杀了兄弟Sigurd，引发一系列血腥的内战——很显然其他兄弟并不相信Ivar的解释。Bjorn追随命运来到地中海，还抵达了突尼斯（沙哈拉沙漠的边缘）。Rollo从地中海回到家乡，他已完全改变，但他和家人朋友的关系还是那样紧张。Floki失去了妻子Helga，于是乘船在海上随波逐流，听凭上帝指引他的去向。
故事始于一段浪漫的恋情，两名主人公来自截然不同的世界，一个是曾经纵情声色犬马而今独自一人渴望真爱的Danny（本·卫肖 Ben Whishaw 饰），一个是神秘寡言英国军情六处总部的间谍Alex（爱德华·霍尔克罗夫特 Edward Holcroft 饰）。即使出身和性格迥然不同，二人度过了最美好的一段时光。
Zhang Xiaobo blinked after saying these words, After a pause and a sigh, Like every veteran interviewed, these are memories they don't want to mention again. His expression told me more that he must have remembered something more that made him feel heavy-hearted. I saw the details of his facial changes after writing the interview information just collected, and asked:
The resistance of different parts of the monster to different weapons.
没想到他一转眼他便投到项羽那边去了，占据了寡人的故地，和寡人分庭抗礼，当真是可恶。
According to professional department tests, for every 10 degrees Celsius increase in temperature, the signal attenuation of the network cable increases by 4%. This means that the signal attenuation of the 92.6-meter cable at 40 degrees Celsius is similar to that at 20 degrees Celsius.
In the first episode, Wu Xiaoming, a 1977-level college student and dean of Fudan College of Fudan University, and Yu Lizhong, a 1978-level college student and president of NYU Shanghai, were invited to tell the story of taking the college entrance examination that year: How did you feel when you suddenly heard the news of resuming the college entrance examination after years away from class? How to review for the exam under the difficult environment of going to the countryside? How to choose your major and what are the test papers? When they finally step into the university campus, what kind of mental state do they learn? Forty years later, how do they view this bitter and happy past?
