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What is the most efficient way to store a list in the Django models?
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answered Jul 10 '09 at 15:23
Andrew HareAndrew Hare
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Should I index a bit field in SQL Server?
... contains a set of rows for each index value. If you have a range of 1 to 10, then you would have 10 index pointers. Depending on how many rows there are this can be paged differently. If your query looks for the index matching "1" and then where Name contains "Fred" (assuming the Name column is ...
Minimum and maximum date
...times supported by ECMAScript Date objects is slightly smaller: exactly –100,000,000 days to 100,000,000 days measured relative to midnight at the beginning of 01 January, 1970 UTC. This gives a range of 8,640,000,000,000,000 milliseconds to either side of 01 January, 1970 UTC.
The exact moment of...
What is time_t ultimately a typedef to?
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How to base64 encode image in linux bash / shell
...d paste.
– user285594
Mar 13 '14 at 10:45
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What's wrong with base64 DSC_0251.JPG? There is no ne...
Is it possible to declare two variables of different types in a for loop?
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for (auto p = std::make_pair(5, std::string("Hello World")); p.first < 10; ++p.first) {
std::cout << p.second << std::endl;
}
std::make_pair will return the two arguments in a std::pair. The elements can be accessed with .first and .second.
For more than two objects, you'll n...
Get the _id of inserted document in Mongo database in NodeJS
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Use numpy array in shared memory for multiprocessing
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logger.setLevel(logging.INFO)
# create shared array
N, M = 100, 11
shared_arr = mp.Array(ctypes.c_double, N)
arr = tonumpyarray(shared_arr)
# fill with random values
arr[:] = np.random.uniform(size=N)
arr_orig = arr.copy()
# write to arr from different proce...
How do I change the working directory in Python?
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answered Jan 10 '09 at 20:41
Michael LabbéMichael Labbé
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Remove by _id in MongoDB console
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edited Mar 9 at 10:35
answered Apr 14 '12 at 9:42
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