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Perform commands over ssh with Python
...to automate some command line commands in Python. At the moment I'm doing calls thus:
13 Answers
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Get ID of last inserted document in a mongoDB w/ Java driver
...h MongoDB plainly auto-generates ObjectId's. However, your solution of manually creating an ObjectId does work, and thanks for this option!
– Apophenia Overload
Dec 4 '12 at 8:39
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Flex-box: Align last row to grid
...d:after and it works the same. Now if you tried something like this it totally breaks. Notice the widths for each set of 4 dont add up to 100%. In the OP's fiddle the widths are set in px so your solution doesn't work this situation.
– Jacob
Jan 26 '16 at 15...
Python multiprocessing pool.map for multiple arguments
...rmap method, which accepts a sequence of argument tuples. It then automatically unpacks the arguments from each tuple and passes them to the given function:
import multiprocessing
from itertools import product
def merge_names(a, b):
return '{} & {}'.format(a, b)
if __name__ == '__main__':...
What is the purpose of the single underscore “_” variable in Python?
...cate that part
of a function result is being deliberately ignored (Conceptually, it is being discarded.), as in code like:
label, has_label, _ = text.partition(':').
As part of a function definition (using either def or lambda), where
the signature is fixed (e.g. by a callback or parent class API), ...
Determine the line of code that causes a segmentation fault?
...e tutorial to get you started with GDB.
Where the segfault occurs is generally only a clue as to where "the mistake which causes" it is in the code. The given location is not necessarily where the problem resides.
share
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Resize fields in Django Admin
...awy to this in a form? I did not find a way to set the attrs attribute for all Textareas.
– Julian
Sep 5 '16 at 11:33
1
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Getting the last argument passed to a shell script
$1 is the first argument.
$@ is all of them.
27 Answers
27
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Wrap a delegate in an IEqualityComparer
...fying. But I still don't understand your hashing policy of t => 0. If all objects always hash to the same thing (zero), then isn't that even more broken than using obj.GetHashCode, per @Dan Tao's point? Why not always force the caller to provide a good hash function?
– Jo...
How to Calculate Execution Time of a Code Snippet in C++
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You can use this function I wrote. You call GetTimeMs64(), and it returns the number of milliseconds elapsed since the unix epoch using the system clock - the just like time(NULL), except in milliseconds.
It works on both windows and linux; it is thread safe.
Not...