Pandas How to flag consecutive values ignoring the first occurrence Question: I have the following code: data={‘id’:[1,2,3,4,5,6,7,8,9,10,11], ‘value’:[1,0,1,0,1,1,1,0,0,1,0]} df=pd.DataFrame.from_dict(data) df Out[8]: id value 0 1 1 1 2 0 2 3 1 3 4 0 4 5 1 5 6 1 6 7 1 7 8 0 8 9 0 9 10 1 10 11 …
Python RegExp global flag Question: Is there a flag or some special key in python to use pattern multiple times. I used to test http://gskinner.com/RegExr/ my RegExp, it worked correctly in it. But when testing in correct enviorment match only returns None. import re pattern = r”(?P<date>–dd-w+:dd)[ t]+(?P<user>w+)[ t]+(?P<method>[w ]+)[” ]* (?P<file>[w\:.]+)@@(?P<version>[w\]+)[” ]*(?P<labels>[(w, .)]+){0,1}[s “]*(?P<comment>[w …
Flags in Python Question: I’m working with a large matrix (250x250x30 = 1,875,000 cells), and I’d like a way to set an arbitrary number of flags for each cell in this matrix, in some manner that’s easy to use and reasonably space efficient. My original plan was a 250x250x30 list array, where each element was …
