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Django ManyToMany filter()
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edited Jun 10 '13 at 15:58
answered Feb 8 '10 at 3:34
istr...
What do single quotes do in C++ when used on multiple characters?
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285
It's a multi-character literal. 1952805748 is 0x74657374, which decomposes as
0x74 -> 't'
0x...
Why main does not return 0 here?
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edited Dec 30 '11 at 8:46
Keith Thompson
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How to serialize a lambda?
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Java 8 introduces the possibility to cast an object to an intersection of types by adding multiple bounds. In the case of serialization, it is therefore possible to write:
Runnable r = (Runnable & Serializable)() -> System...
Extracting substrings in Go
... Denys SéguretDenys Séguret
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11
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How to create abstract properties in python abstract classes
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answered Feb 9 '18 at 16:23
JamesJames
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Can you do greater than comparison on a date in a Rails 3 search?
... an SQL injection ?
– MhdSyrwan
Jul 8 '12 at 14:55
7
It's safe because of where(). Using where() ...
What is the minimum length of a valid international phone number?
...or Israel: The minimum phone number length (excluding the
country code) is 8 digits. - Official Source
(Country Code 972)
For Sweden : The minimum number length (excluding
the country code) is 7 digits. - Official Source (country code 46)
For Solomon Islands its 5 for fixed line phones. - Sou...
Understanding the ngRepeat 'track by' expression
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answered Mar 31 '14 at 12:28
nilsKnilsK
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How to remove all rows in a numpy.ndarray that contain non-numeric values
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>>> a = np.array([[1,2,3], [4,5,np.nan], [7,8,9]])
array([[ 1., 2., 3.],
[ 4., 5., nan],
[ 7., 8., 9.]])
>>> a[~np.isnan(a).any(axis=1)]
array([[ 1., 2., 3.],
[ 7., 8., 9.]])
and reassign this to a.
Explanation: np.is...