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How does grep run so fast?
..., earlier I used to use substring method in java but now I use GREP for it and it executes in a matter of seconds, it is blazingly faster than java code that I used to write.(according to my experience I might be wrong though)
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Python Regex - How to Get Positions and Values of Matches
How can I get the start and end positions of all matches using the re module? For example given the pattern r'[a-z]' and the string 'a1b2c3d4' I'd want to get the positions where it finds each letter. Ideally, I'd like to get the text of the match back too.
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What is your favorite C programming trick? [closed]
...[] = {
#include "normals.txt"
};
(more or less, I don't have the code handy to check it now).
Since then, a new world of creative use of the preprocessor opened in front of my eyes. I no longer include just headers, but entire chunks of code now and then (it improves reusability a lot) :-p
Tha...
How to keep indent for second line in ordered lists via CSS?
...ry string (id), it is used to connect the counter-reset, counter-increment and counter() properties.
– user123444555621
Aug 8 '13 at 18:04
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How to split a delimited string into an array in awk?
...v 4 '11 at 13:15
Calin Paul AlexandruCalin Paul Alexandru
3,48422 gold badges1616 silver badges1919 bronze badges
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Should a RESTful 'PUT' operation return something
...st specific URI for the new resource returned in the Location header field and any other relevant URIs and metadata of the resource echoed in the response body. (RFC 2616 Section 10.2.2)
HTTP status code 409 Conflict for a PUT that is unsuccessful due
to a 3rd-party modification, with a list of diff...
Simple way to calculate median with MySQL
What's the simplest (and hopefully not too slow) way to calculate the median with MySQL? I've used AVG(x) for finding the mean, but I'm having a hard time finding a simple way of calculating the median. For now, I'm returning all the rows to PHP, doing a sort, and then picking the middle row, but ...
What is a singleton in C#?
What is a Singleton and when should I use it?
16 Answers
16
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Selecting the last value of a column
...spreadsheet with some values in column G. Some cells are empty in between, and I need to get the last value from that column into another cell.
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How to delete a file or folder?
...os.rmdir() removes an empty directory.
shutil.rmtree() deletes a directory and all its contents.
Path objects from the Python 3.4+ pathlib module also expose these instance methods:
pathlib.Path.unlink() removes a file or symbolic link.
pathlib.Path.rmdir() removes an empty directory.
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