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Django filter queryset __in for *every* item in list
...NDed Q objects would not work:
In [9]: from django.db.models import Q
In [10]: Photo.objects.filter(Q(tags__name='holiday') & Q(tags__name='summer'))
Out[10]: []
In [11]: from operator import and_
In [12]: Photo.objects.filter(reduce(and_, [Q(tags__name='holiday'), Q(tags__name='summer')]))
Out...
How do I disable directory browsing?
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edited Oct 1 '19 at 18:10
Fom
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answered Mar 27 '10 at 18:21
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Generate random numbers with a given (numerical) distribution
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answered Nov 24 '10 at 12:15
Sven MarnachSven Marnach
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Python debugging tips [closed]
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edited Feb 4 '10 at 14:57
community wiki
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How to see top processes sorted by actual memory usage?
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Preventing twitter bootstrap carousel from auto sliding on page load
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How to force R to use a specified factor level as reference in a regression?
...e the relevel() function. Here is an example:
set.seed(123)
x <- rnorm(100)
DF <- data.frame(x = x,
y = 4 + (1.5*x) + rnorm(100, sd = 2),
b = gl(5, 20))
head(DF)
str(DF)
m1 <- lm(y ~ x + b, data = DF)
summary(m1)
Now alter the factor b in DF by use of t...
Is it safe to use -1 to set all bits to true?
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why is -1 guaranteed to be converted to all ones? Is that guaranteed by the standard?
– jalf
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How do I get the opposite (negation) of a Boolean in Python?
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jtbandesjtbandes
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How to prevent moment.js from loading locales with webpack?
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Tobias K.Tobias K.
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