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Fast Linux File Count for a large number of files
I'm trying to figure out the best way to find the number of files in a particular directory when there are a very large number of files ( > 100,000).
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Convert a list to a data frame
I have a nested list of data. Its length is 132 and each item is a list of length 20. Is there a quick way to convert this structure into a data frame that has 132 rows and 20 columns of data?
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How would you make a comma-separated string from a list of strings?
What would be your preferred way to concatenate strings from a sequence such that between every two consecutive pairs a comma is added. That is, how do you map, for instance, ['a', 'b', 'c'] to 'a,b,c' ? (The cases ['s'] and [] should be mapped to 's' and '' , respectively.)
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Converting Integer to Long
I need to get the value of a field using reflection. It so happens that I am not always sure what the datatype of the field is. For that, and to avoid some code duplication I have created the following method:
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Why does this code using random strings print “hello world”?
... code."
– FThompson
Aug 27 '13 at 3:05
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show 3 more comments
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How to get the nth occurrence in a string?
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edited May 31 '16 at 15:05
answered May 31 '16 at 15:00
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How can I time a code segment for testing performance with Pythons timeit?
I've a python script which works just as it should, but I need to write the execution time. I've googled that I should use timeit but I can't seem to get it to work.
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Run PostgreSQL queries from the command line
I inserted a data into a table....I wanna see now whole table with rows and columns and data. How I can display it through command?
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Recommended Fonts for Programming? [closed]
... amazing!
– Penang
Oct 12 '10 at 10:05
That's the best one on Mac because of its antialiasing adapted to mac screens.....
Allowed characters in filename [closed]
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edited May 17 at 22:05
Andrew D. Bond
7111 silver badge44 bronze badges
answered Feb 12 '16 at 0:1...