So we are kind of... using more like positive and negative reinforcements and
所以我们就……更多地使用积极强化和消极强化,
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。
Now we have more and more people using it all over the world.
现在世界上有更多的人,在使用推特。
So unlike Scratch where you pretty much had to say "repeat" ten times or whatever, or forever where it's just "forever" with for loops, -- can you actually specify a finite number of iterations -- and as I learned 15 years ago, finite is important.
所以不像Scratch,你大致上需要用,“repeat“10次或更多,或者需要不断地使用当它,是死循环时,你们能够指定出一个有限的迭代次数-,像我15年前学的,有穷的是重要的。
I also talked last time about smallpox and the perceived need to produce more smallpox vaccine in the event that smallpox is used as a weapon in 2002.
上次我也谈论过了天花,以及在二零零二年天花被当作武器使用时,制造出更多天花疫苗的必要性
I need access to more memory, and I need it fast.
我需要使用更多内存,想要它更快点。
Well it's a stupid looking program, but because I had more new line characters, and because I was using percent C, for individual characters, one per line, now I'm seeing dot slash ARG V2, well, now if I go ahead and rerun this with foo, I get this effect as well.
这是一个看起来很笨的程序,但是因为我有更多的新行代码,因为我使用的是%c,为单个字符使用的,每一行一个,现在我看到的是,/argv2,好的,现在如果我继续用foo返回它,我产生了这样的效果。
Now that's changing the more years that pass the more of you have 64-bit computers and the more servers have many, many gigabytes of RAM and so you need actually 64-bits, but for now let's assume a common system whereby a pointer just by definition of the homework is 32 bits.
现在计算机也在改变,也有更多的人,使用64位的计算机,更多的服务器有很多,很多G的内存,那样你就需要64位的,现在我们假设通常的系统中,根据家庭作业所定义的,一个指针为32位。
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