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How do I do an OR filter in a Django query?
...me = 'doe'
This way there is no need to deal with or operators, reduce's etc.
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Iterate keys in a C++ map
... template<typename C> class key_iterator : public C::iterator, etc
– Gabriel
Dec 17 '19 at 23:53
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How do you get the magnitude of a vector in Numpy?
...4,5])
np.linalg.norm(x)
You can also feed in an optional ord for the nth order norm you want. Say you wanted the 1-norm:
np.linalg.norm(x,ord=1)
And so on.
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How does this checkbox recaptcha work and how can I use it?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Declare and Initialize String Array in VBA
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How can I time a code segment for testing performance with Pythons timeit?
...eless, this is a canonical answer so a complete example of timeit seems in order, elaborating on Martijn's answer.
The docs for timeit offer many examples and flags worth checking out. The basic usage on the command line is:
$ python -mtimeit "all(True for _ in range(1000))"
2000 loops, best of 5: 1...
Are std::vector elements guaranteed to be contiguous?
...stion is simple: are std::vector elements guaranteed to be contiguous? In order word, can I use the pointer to the first element of a std::vector as a C-array?
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Visual Studio replace tab with 4 spaces?
... -> C# source code.
From here I could change my style and spacing tabs etc. This is the only project i have where the lead developer has different formatting than i do. It was a pain in the butt that my IDE would format my code different than theirs.
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Why use a READ UNCOMMITTED isolation level?
... insert queries, make any rough estimates (like COUNT(*) or rough SUM(*)) etc.
In other words, the results the dirty read queries return are fine as long as you treat them as estimates and don't make any critical decisions based upon them.
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How to remove .htaccess password protection from a subdirectory
...E*/
Require valid-user
SetEnvIf Request_URI "(/DIRECTORY_NAME/)$" allow
Order allow,deny
Allow from env=allow
Also If you want to prevent multiple directories then
add
SetEnvIf Request_URI "(/DIRECTORY_NAME/)$" allow
as many time as many directories, you want to remove from htaccess prevent...