An entry is made in the memo whenever an item, memo and an available size pair is considered.
每当选择一件物品和考虑,一种可行的方案时,都会访问。
as a student just visiting and I liked it very much, so.
只是个访问的学生,我非常喜欢,就这样的。
By the end of, like two weeks from now or so, we're going to pass Google in page views.
这样算来,仅需两周,便能超过谷歌的访问量。
So, this is what happens. You go to the website, there's all these bars down the side, so there's lecture videos.
事情就是这样,你们访问这个网站,在下边有这些栏,还有上课的视频。
You can put a variable there, and because it's not encapsulated in curly braces, as we just discussed, that essentially means it's accessible everywhere in that file.
你可以加入一个变量,因为它不是封装在花括号里,就像我们刚才讨论的,本质的意思是它可以在文件的所有地方,都可以被访问到。
I have constant time access which is great, but I paid a price, which is I had to use up some space.
我的访问时间现在是常数级别,这个非常的棒,但是我也付出了代价,不得不使用更多的空间,在整数的例子中。
And you can go to the Princeton website and learn more about it at the Office of Religious Life website at Princeton University.
你可以访问普林斯顿大学的网站,了解相关信息,访问宗教事务办公室的网站,普林斯顿大学。
And I might add that, today's program is part one of the two part program with Joshua.
另外我补充一点,这次的访问分为两部分,今天只是第一部分。
And what she does in the experiment is she poses as a graduate student in clinical psychology who is interviewing male participants ?
她在实验中扮演的,是一个临床心理学的学生,正在访问男性受试者?
When he goes to Europe on his big sortie, on his big-boy trek through Europe he goes around and he visits all of these botanical gardens.
他的访问团曾到欧洲,在穿越欧洲的成年之旅中,他到处游历,参观了各种植物园
And what's interesting about it, and what indicates its importance to Buddy, is that Bessie gets on about him getting a phone ; where he's teaching in upstate New York; he's teaching writing as a visiting writer at a college in upstate New York. And Bessie, his mother, keeps saying, "Well, why won't you get a phone, Buddy?
有意思的是,这对巴蒂很重要,因为,贝西给他打了一个电话,在他在纽约北部教书的地方;,他教写作,作为访问学者在,纽约北部的一所大学里,贝西,他的妈妈,说,好了,为什么你不接电话?
com/conversations If you go to dell.com/conversations, you can see all these different sites that we have set up.
访问,dell。,大家就能看到我们建立的所有网站。
But everyday, we get more than 200 million page views.
但是每天的页面访问量都超过两亿。
It is internet accessible so you can access it most anywhere anytime and you can also access tools and software and tricks that the staff have made available.
而且可以通过网络访问,所以无论何时何地都能访问,你们也可以访问这些工具啊,软件啊,还有一些,授权访问的小诀窍。
Or a lot of the times when a website is compromised and you're able to steal someone's usernames and passwords, very often are the result of simple little things like this.
很多时候,当要访问的网站被人破坏了,你就有机会窃取别人的账号,和密码,正是因为这样或那样的小疏忽存在,才会导致这种事情频频发生。
And that's a lot, right?
很惊人的访问量,对吧?
You set your priorities These days we gonna travel.
确定你的重点,这段时间要外出访问。
I mean we haven't, we don't really have a second version which is constantly... So I guess for most of last school year I just worked on scaling and kind of trying to make it keep up with the increasing load and trying to make it so that we can expand more, adding more schools.
说实话,我们从来没有,第二个版本。,我记得,在上一学年大部分时间里,我都在致力于扩大网站规模,这样是为了应对,不断增长的访问量,我试着完成目标,这样就能吸引更多学校。
You might say, why? Well it turns out there's some trade-offs to it. It has some advantages in terms of power of storing things, it has some disadvantages, primarily in terms of access time.
那可能是某种意义上的权衡,对存储而言,这有优势,但访问的效率上就变成劣势了,幸运的是,python或者。
So what you'll see in problem set 0 or problem set 1 is that you'll soon have access to what we call the CS50 cloud which is a bunch of servers that live on campus and on which you will all have a username and password.
所以你在习题集0或习题集1上看到的,访问“CS50云“,就是一些校园服务器,你可以注册一个用户名和密码。
Have the computational hygiene, if you like, to only go through accessors, only go through methods that are actually provided to you as you do this.
请大家注意计算卫生,如果你喜欢这么说的话,只通过访问器访问数据,当你访问数据的时候,通过提供给你的方法来访问。
But when you have many page views and that many people spending much time on the site, you can monetize it pretty easily just by putting matters on there.
当拥有那么大的访问量,当人们花大把时间在你的网站上时,仅靠投放广告,就能轻松赚钱。
And this is now a program that's web based, it's SMS based, it's voice based and it used to be Linux based as you'll see in a couple of weeks and it's just a program thatlet's you click where you are, click where you wanna go and voila, here are the next several shuttles that you can take.
这个程序现在是可以用网络访问的,可以用SMS的,可以用语音访问的,而且它曾经是Linux下的程序,你们几周后就会看到,它是这么一个程序,你可以点击确认你现在的位置,然后点你想要去的位置,然后程序会返回给你你能做的班车。
Wow, OK, maybe not so wow, but this is now constant. This is constant time access. So I can do searching in constant time which is great.
喔,当然,可能没那么,但是现在是常数级了,这是常数时间的访问。
I'd really like to have that modularity that says, I'm only going to get access to the values, not by calling their names, but by calling some specific method to get access to their names.
这样我们就丢掉了代码的模块化,我很希望代码有这样的模块化:,我访问变量的值,不是通过直接调用它们的名字,而是通过调用某个可以,访问这些变量名的方法来访问。
Remember we said we design lists so that the access, no matter where it was on the list was of constant time.
记住我们说过我们创建了,一个列表它就是这么访问的,无论它在列表的哪个位置。
It's perfectly legal in Python to type that in and get the value back out.
正如我所说的,我更希望用一个,我刚刚写的访问器。
That is to say, I'm going to go back to a node I've already visited.
也就是说我将要,返回我访问过的节点。
I think of data hiding as basically saying, one can only access instance values, or, we'll call them that, instance values through defined methods.
一个人仅仅可以访问实例变量,或者,我们可以这么来说,通过定义好的方法,来访问实例的变量。
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