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Insert a row to pandas dataframe
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A B C
0 NaN NaN NaN
1 5 6 7
2 7 8 9
But now you can easily insert the row as follows. Since the space was preallocated, this is more efficient.
>>> df2.loc[0] = np.array([2, 3, 4])
>>> df2
Out[341]:
A B C
0 2 3 4
1 5 6 7
2 7 8 9
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In Python, using argparse, allow only positive integers
... case, you can also use the choices parameter if your upper limit is also known:
parser.add_argument('foo', type=int, choices=xrange(5, 10))
Note: Use range instead of xrange for python 3.x
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jQuery get textarea text
...tarted playing with jQuery, and have been following a couple of tutorials. Now I feel slightly competent with using it (it's pretty easy), and I thought it would be cool if I were able to make a 'console' on my webpage (as in, you press the ` key like you do in FPS games, etc.), and then have it A...
How can I get the full/absolute URL (with domain) in Django?
...could add the s, but do you develop with https locally? and do you always know, if you have https but not sometimes...?
– tjati
May 5 '14 at 12:30
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find: missing argument to -exec
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I figured it out now. When you need to run two commands in exec in a find you need to actually have two separate execs. This finally worked for me.
find . -type f -name "*.rm" -exec ffmpeg -i {} -sameq {}.mp3 \; -exec rm {} \;
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Any way to break if statement in PHP?
...t an elseif on each failed test. This is exactly what I was searching for, now my code is KISS and DRY compliant :) Thanks!
– s3v3n
Jul 24 '12 at 15:26
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Java: Equivalent of Python's range(int, int)?
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Range#asSet is seems to have become deprecated. You now need to do this: ContiguousSet.create(Range.closed(low, high), DiscreteDomain.integers())
– Chthonic Project
Dec 26 '13 at 22:50
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SQL MAX of multiple columns?
...M (VALUES (1,2), (5,3), (1,4)) as tableOfValues(columnName1, ColumnName2) Now you can understand why that sample query has AS value(v) in it. My final query looked like this: SELECT Max(currentValues) as Max FROM (VALUES (12), (25), (35)) AS allCurrents(currentValues) It will pick the max val...
Where does PostgreSQL store the database?
...ific folder is painful as someone else might have installed it for you and now you do not know the configuration, so following sql helps to save the time. :) Thanks Mike.
– Vishal
Jun 14 '13 at 8:54
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Android Fragment no view found for ID?
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@howettl: I know it is bit old post. But I am not able fix this issue with your answer. Here is SO question: stackoverflow.com/questions/25844394/… - Can you help me with this please? Thanks!
– TheDevMan
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