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How to get all possible combinations of a list’s elements?
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482
Have a look at itertools.combinations:
itertools.combinations(iterable, r)
Return r le...
Specifically, what's dangerous about casting the result of malloc?
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edited Mar 1 '16 at 14:04
Lii
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answered Oct ...
R memory management / cannot allocate vector of size n Mb
...ate the object you need in one session.
If the above cannot help, get a 64-bit machine with as much RAM as you can afford, and install 64-bit R.
If you cannot do that there are many online services for remote computing.
If you cannot do that the memory-mapping tools like package ff (or bigmemo...
How to get instance variables in Python?
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147
Every object has a __dict__ variable containing all the variables and its values in it.
Try th...
Ruby max integer
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49
Ruby automatically converts integers to a large integer class when they overflow, so there's (p...
Applying a function to every row of a table using dplyr?
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answered Jul 14 '14 at 0:20
alexwhanalexwhan
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Accessing bash command line args $@ vs $*
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445
The difference appears when the special parameters are quoted. Let me illustrate the differenc...
C++ static virtual members?
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Adam RosenfieldAdam Rosenfield
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How can I check in a Bash script if my local Git repository has changes?
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CascabelCascabel
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Partly cherry-picking a commit with Git
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answered Oct 6 '09 at 14:51
CascabelCascabel
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