All right. So please raise your hand now if you think there'll be sufficient energy to eject electrons from the metal surface?
好的,如果你们认为,有足够的能量从金属表面,射出电子请举手?
and then your work minimum wage, I think in California, is seven dollars right now.
如果是最低工资的工作的话,我想现在在加州,每小时七美金。
Good even to be aware of what they don't To be aware of that, right. But most importantly, think about that your passion are about 'coz if you do what you love, the money will follow.
无私得自己都没意识到,对,没有意识到那些钱,但最重要的是,要思考你对什么充满了激情,因为如果你做的是你爱做的事,钱跟着就会来。
How many think regular?Raise your right hand.
有多少人觉得是规则变化,举下右手。
For the latter, this is a place where running test cases would do a good job of helping with that. Nonetheless, having done that, let's look at a better way to write this. Which is right here it is also, I think, on your sheet, I'm going to uncomment that, and comment this one out, yeah. All right?
对于后者来说,运行测试用例,对它会有很大的帮助,尽管如此,讲完了这些,让我们再来看看更好的,来写这个程序的一种方法吧,也就是这里,我想这程序也在,你们的课堂手册上面,我得先把这里取消注释,然后注释掉这里,是的,对不对?
So it's really neat to think that your counterparts 100 years ago right here at MIT could have been sitting in a class where they had Lewis as their lecturer, and he's putting forth these ideas -- these are actually his lecture notes, even though it wasn't even published yet, and giving this idea of Lewis structure, which is exactly what we keep using today in order to make a lot of these predictions.
因此会有很棒的感觉,当想一想一百年以前像你们一样,在这上学的同学可能正坐在教室里,听路易斯讲课,而他正在提出这些想法-,-而这些正是他的课堂讲义,尽管当时还没有发表,但已经给出了路易斯结构的思想,这正是我们直到今天都一直在用的,用它来做很多预测。
So there's a return branch on every possible path through the code. And that's valuable, it's something you want to think about as your right your own.
所以代码中每条可能的路径,都会有一个返回值分支,这是非常有价值的,当你自己写程序的时候也应该考虑这件事。
I really do love these things. And is that right, John? OK, so my apologies that your handout is wrong. I did not think to check about the difference between these things.
我真的很喜欢这些东西,这样对不对John?,好,抱歉你们的课堂手册上面是错误的,我没想要要去检查,这些东西之间的不同。
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