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In Python, when to use a Dictionary, List or Set?
When should I use a dictionary, list or set?
11 Answers
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Get unique values from a list in python [duplicate]
I want to get the unique values from the following list:
30 Answers
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Only read selected columns
Can anyone please tell me how to read only the first 6 months (7 columns) for each year of the data below, for example by using read.table() ?
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How to count lines in a document?
I have lines like these, and I want to know how many lines I actually have...
24 Answers
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How to force LINQ Sum() to return 0 while source collection is empty
Basically when I do the following query, if no leads were matched the following query throws an exception. In that case I'd prefer to have the sum equalize 0 rather than an exception being thrown.
Would this be possible in the query itself - I mean rather than storing the query and checking query.A...
Finding the average of a list
I have to find the average of a list in Python. This is my code so far
23 Answers
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How do I find all of the symlinks in a directory tree?
I'm trying to find all of the symlinks within a directory tree for my website. I know that I can use find to do this but I can't figure out how to recursively check the directories.
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Flatten an irregular list of lists
...en covered before ( here , here , here , here ), but as far as I know, all solutions, except for one, fail on a list like this:
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Should a return statement be inside or outside a lock?
I just realized that in some place in my code I have the return statement inside the lock and sometime outside. Which one is the best?
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python list in sql query as parameter
I have a python list, say l
15 Answers
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