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How to get the home directory in Python?
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You want to use os.path.expanduser.
This will ensure it works on all platforms:
from os.path import expanduser
home = expanduser("~")
If you're on Python 3.5+ you can use pathlib.Path.home():
from pathlib import Path
home = str(Path.home())
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Declare variable in table valued function
...an recompose the query with the ITVF inlined into the parent query, essentially becoming a parameterised VIEW whereas a MSTVF behaves more like an opaque stored-procedure (though with its own advantages compared to sprocs). Inline functions should be preferred over MSTVF. If you do need to calculate...
Change limit for “Mysql Row size too large”
... to fix this is to use the Barracuda file format
with InnoDB. This basically gets rid of the problem altogether by
only storing the 20 byte pointer to the text data instead of storing
the first 768 bytes.
The method that worked for the OP there was:
Add the following to the my.cnf file...
How to determine whether a Pandas Column contains a particular value
...s)
Out[24]: True
As pointed out by @DSM, it may be more efficient (especially if you're just doing this for one value) to just use in directly on the values:
In [31]: s.values
Out[31]: array(['a', 'b', 'c'], dtype=object)
In [32]: 'a' in s.values
Out[32]: True
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How to convert AAR to JAR
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The AAR file consists of a JAR file and some resource files (it is basically a standard zip file with a custom file extension). Here are the steps to convert:
Extract the AAR file using standard zip extract (rename it to *.zip to make it easier)
Find the classes.jar file in the extracted files
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SQL Server: Examples of PIVOTing String data
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If you specifically want to use the SQL Server PIVOT function, then this should work, assuming your two original columns are called act and cmd. (Not that pretty to look at though.)
SELECT act AS 'Action', [View] as 'View', [Edit] as 'Edit...
Does Java have a HashMap with reverse lookup?
...to be one of the implementations of BidiMap.
As a mathematician, I would call this kind of structure a bijection.
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What is the purpose of Serialization in Java?
...e of the arguments were convincing enough. I am wondering if someone can really tell me what is it that we can really achieve by serializing a class?
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Split code over multiple lines in an R script
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Bah, comments are too small. Anyway, @Dirk is very right.
R doesn't need to be told the code starts at the next line. It is smarter than Python ;-) and will just continue to read the next line whenever it considers the statement as "not finished". ...
clang error: unknown argument: '-mno-fused-madd' (python package installation failure)
I get the following error when attempting to install psycopg2 via pip on Mavericks 10.9:
14 Answers
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