algorithm « array « Python Data Type Q&A

1. Dynamic list slicing    stackoverflow.com

Good day code knights, I have a tricky problem that I cannot see a simple solution for. And the history of the humankind states that there is a simple solution for everything ...

2. Classify array of strings based on commonalities    stackoverflow.com

I have huge list (200000) of strings (multi word). I want to group these strings based on comman array of word match among these strings. I cant think of a ...

3. Merging all sub-arrays with mutual elements into one sub-array    stackoverflow.com

I need to find all sub-arrays which share any mutual element and merge them into one sub-array. (Implementing in Python but any algorithmic idea would be helpful) Multidimensional array structure:

categories = {'car':['automobile','auto'],
 ...

4. Python sort parallel arrays in place?    stackoverflow.com

Is there an easy (meaning without rolling one's own sorting function) way to sort parallel lists without unnecessary copying in Python? For example:

foo = range(5)
bar = range(5, 0, -1)
parallelSort(bar, foo)
print ...

5. Anyone Know a Great Sparse One Dimensional Array Library in Python?    stackoverflow.com

I am working on an algorithm in Python that uses arrays of int64s heavily. The arrays are typically sparse and are read from and written to constantly. I am currently using ...

6. Summarizing a dictionary of arrays in Python    stackoverflow.com

I got the following dictionary:

mydict = {
  'foo': [1,19,2,3,24,52,2,6],          # sum: 109
  'bar': [50,5,9,7,66,3,2,44],       ...

7. divide ways on a map in parts of length one    stackoverflow.com

I have these coordinates:

coord = [(10,10), (13,10), (13,13)]

(10,10)
(11,10)
(12,10)
(13,10)
(13,11)
(13,12)
(13,13)

for n in range(len(coord)-1):
   ...

8. How to merge similiar items in a list    stackoverflow.com

I haven't found anything relevant on Google, so I'm hoping to find some help here :) I've got a Python list as follows:

[['hoose', 200], ["Bananphone", 10], ['House', 200], ["Bonerphone", 10], ...

9. A logical way to compare an array of csv file paths to an array of specified project names    stackoverflow.com

I'm looking for a logical way to compare a csv list of projects from the user to an array of file paths I generate with glob. It however does not have ...

10. How to diff 2 a very big arrays?    stackoverflow.com

I have 2 very big arrays. Is this code going to be very slow to run?

results1 = [1,2,3..]
results2 = [1,2,3,4 ... ]


for result1 in results1:
    if result1 not in ...