Rockcrawler

this consumer buildings blackened by the u_s_ and drug administration regulate so wide range of products including within lifesaving medicines agency helped safe and effective products reach the...

Let's do this in stages. Let's program a function f(n) that takes as an input number of coconuts, and that outputs the number of coconuts after 1 was given to the monkey and a 5th of...

让我们用这些新的正则表达式知识里做个测验，包括选择除了换行符之外 的其他字符，或者是刚才我们 所说的 我希望你们通过解释器来提交，给变量regexp赋值 这个Python表达式匹配双引号括起来的字符串 这就是难点，允许转义双引符号 让我到解释器里简单地给你们说一下 然后我们将回到这里 事实上，这个问题里的一些细节使生活变得有趣 同时第一次看到的时候会觉得很复杂 我想你们接收的那种字符串如下面这个 ...

Testing just means checking a program to gain confidence that it's correct. More formally, in a software engineering class we'd say that we want to gain confidence that the...

Let's test our knowledge of using shifting to fill out the parse table: the chart. Let's say that this is our grammar: P reduces to or can be rewritten as: open parenthesis P, closed...

The moral of the story is this is tricky. There are a lot of cases to deal with in getting this kind of search just right, and we made a couple mistakes along the way. I sort of duplicated the history...

Again, pretty straight forward. We get the word plays, and we sort them in reverse order again so that bgigest are first, this time by word score, and then we just take the first n. By doing the...

[How to implement optimizations] Okay, well that sounds great, so far. We have an idea of when we can possibly remove things based on mathematical truths. But how do we actually implement them in our...

Okay, time for a quiz, and in this quiz I'm going to ask you to write a function, and what I'm going to ask you to do is to define the function called deal, which will deal out some...

Now, if I tell you the point value of every letter. I'm creating a dictionary with the point values. I'm using underscore to indicate the blank, but we won't be dealing with...