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Pandas groupby: How to get a union of strings
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In [4]: df = read_csv(StringIO(data),sep='\s+')
In [5]: df
Out[5]:
A B C
0 1 0.749065 This
1 2 0.301084 is
2 3 0.463468 a
3 4 0.643961 random
4 1 0.866521 string
5 2 0.120737 !
In [6]:...
How do I compare two string variables in an 'if' statement in Bash? [duplicate]
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Upvote, but always be careful when reading the ABS. Linking to a more authoritative source would probably be preferred.
– tripleee
Aug 12 '16 at 5:03
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Find lines from a file which are not present in another file [duplicate]
...et's say a.txt and b.txt ), both of which has a list of names. I have already run sort on both the files.
4 Answers
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How Do I Convert an Integer to a String in Excel VBA?
...rsions - this is an implicit type conversion and raises eyebrows of anyone reading that code. Sorry I found this answer so late after it was posted, I wish I could have downvoted it much earlier.
– Mathieu Guindon
Aug 22 '17 at 15:47
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'0000-00-00 00:00:00' can not be represented as java.sql.Timestamp error
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curious. Reading the other answers, duh, there's no month zero. What does does this really mean?
– Thufir
Aug 10 '14 at 0:04
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Inserting string at position x of another string
... I was curious about this and ran a jsperf. This is a note to anyone who reads this in the future. jsperf.com/javascript-string-splice. Tested in latest FF/Chrome/IE10/IE9. I would use lean nickf's approach over this one for both clarity and performance.
– junkyspace
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initialize a numpy array
... when I don't know how big the array will end up being. For example, when reading data from a file or another process. It isn't really as awful as it may seem at first since python and numpy are pretty clever.
– travc
Feb 9 '13 at 22:55
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linq query to return distinct field values from a list of objects
...ty comparer for a given property, which is annoying and makes it harder to read. If you can take the MoreLINQ dependency, I think that's cleaner.
– Jon Skeet
Oct 11 '19 at 6:41
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How to build a Debian/Ubuntu package from source?
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First, the title question:
Assuming the debian directory is already there, be in the source directory (the directory containing the debian directory) and invoke dpkg-buildpackage. I like to run it with these options:
dpkg-buildpackage -us -uc -nc
which mean don't sign the result and...
SQL Server - SELECT FROM stored procedure
... that an INSERT EXEC statement cannot be nested. If the stored procedure already has an INSERT EXEC in it, this won't work.
– MOHCTP
May 30 '13 at 1:44
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