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How I can delete in VIM all text from current line to end of file?
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370
dG will delete from the current line to the end of file
dCtrl+End will delete from the cursor...
Python's “in” set operator
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13
If someone implemented his class's hash function in a twisted way, this is what he may get (and deserve).
– ugoren
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Can I use `pip` instead of `easy_install` for `python setup.py install` dependency resolution?
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3 Answers
3
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How to create a tuple with only one element
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3 Answers
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How does one reorder columns in a data frame?
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354
Your dataframe has four columns like so df[,c(1,2,3,4)].
Note the first comma means keep all t...
How do I check the operating system in Python?
...2":
# linux
elif platform == "darwin":
# OS X
elif platform == "win32":
# Windows...
sys.platform has finer granularity than sys.name.
For the valid values, consult the documentation.
See also the answer to “What OS am I running on?”
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Unique combination of all elements from two (or more) vectors
... expand.grid(a,b)
Var1 Var2
1 ABC 2012-05-01
2 DEF 2012-05-01
3 GHI 2012-05-01
4 ABC 2012-05-02
5 DEF 2012-05-02
6 GHI 2012-05-02
7 ABC 2012-05-03
8 DEF 2012-05-03
9 GHI 2012-05-03
10 ABC 2012-05-04
11 DEF 2012-05-04
12 GHI 2012-05-04
13 ABC 2012-05-05
14 DEF 2012-05-...