...r the flattened array) , in which axis=0 along the rows (namely, index in pandas), and axis=1 along the columns. For added clarity, one may choose to specify axis='index' (instead of axis=0) or axis='columns' (instead of axis=1). +------------+---------+--------+ | | A | B | +...

...vation is important Roman Bodnarchuk may have a better approach. For speed and pure set-like behavior this one seems better. – Bryan P Feb 13 '15 at 23:01 8 ...

I was working with a friend on a project, and he edited a bunch of files that shouldn't have been edited. Somehow I merged his work into mine, either when I pulled it, or when I tried to just pick the specific files out that I wanted. I've been looking and playing for a long time, trying to figure o...

... have always wondered WHaT tHE HecK?!? is the difference between JScript and JavaScript. 12 Answers ...

...;>> a = [9, 8, 7, 6] >>> del a[1] >>> a [9, 7, 6] and pop removes the item at a specific index and returns it. >>> a = [4, 3, 5] >>> a.pop(1) 3 >>> a [4, 5] Their error modes are different too: >>> a = [4, 5, 6] >>> a.remove(7) T...

... avoids object allocations performed by other methods such as Regexp#match and =~: Regexp#match? Added Regexp#match?, which executes a regexp match without creating a back reference object and changing $~ to reduce object allocation. ...

...st of primes you'll need to see how many of those primes act as a divisor (and how often). Here's some python for the algo Look here and search for "Subject: math - need divisors algorithm". Just count the number of items in the list instead of returning them however. Here's a Dr. Math that explai...

What is the difference between iterators and generators? Some examples for when you would use each case would be helpful. 1...

I have to search through a list and replace all occurrences of one element with another. So far my attempts in code are getting me nowhere, what is the best way to do this? ...

When should we use mutex and when should we use semaphore ? 12 Answers 12 ...