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Intersection of two lists in Bash
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answered Apr 23 '10 at 3:58
ghostdog74ghostdog74
269k4848 gold badges233233 silver badges323323 bronze badges
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Python pandas Filtering out nan from a data selection of a column of strings
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1 thg NaN 4
3 mol Graham NaN
4 lob NaN NaN
5 lob NaN NaN
[5 rows x 3 columns]
In [89]:
nms = nms.dropna(thresh=2)
In [90]:
nms[nms.name.notnull()]
Out[90]:
movie name rating
0 thg John 3
3 mol Graham NaN
[2 rows x 3 columns]
EDI...
How do I query using fields inside the new PostgreSQL JSON datatype?
...Performance benefits from general improvements to GIN indexes.
Postgres 9.5
Complete jsonb functions and operators. Add more functions to manipulate jsonb in place and for display.
Major good news in the release notes of Postgres 9.5.
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Checking oracle sid and database name
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152
I presume SELECT user FROM dual; should give you the current user
and SELECT sys_context('user...
How do I list all versions of a gem available at a remote site?
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205
Well, it was easier than I thought (well, not really, let's say as easy as it should be):
gem l...
Is there a list of screen resolutions for all Android based phones and tablets? [closed]
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Galaxy Y 320 x 240 ldpi 0.75 120 427 x 320 4:3 1.3333 427 x 320
? 400 x 240 ldpi 0.75 120 533 x 320 5:3 1.6667 533 x 320
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How to loop through all but the last item of a list?
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edited Sep 23 '15 at 8:47
slhck
29.1k2323 gold badges121121 silver badges162162 bronze badges
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What is the syntax to insert one list into another list in python?
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Do you mean append?
>>> x = [1,2,3]
>>> y = [4,5,6]
>>> x.append(y)
>>> x
[1, 2, 3, [4, 5, 6]]
Or merge?
>>> x = [1,2,3]
>>> y = [4,5,6]
>>> x + y
[1, 2, 3, 4, 5, 6]
>>> x.extend(y)
>>> x
[1, 2, 3, 4, 5, 6]...
Generate random integers between 0 and 9
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Georgy
4,77555 gold badges3838 silver badges4646 bronze badges
answered Oct 22 '10 at 12:51
kovsheninkovshenin
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