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SqlAlchemy - Filtering by Relationship Attribute
... readable):
patients = Patient.query.filter(Patient.mother.has(phenoscore=10))
or join (usually faster):
patients = Patient.query.join(Patient.mother, aliased=True)\
.filter_by(phenoscore=10)
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Remove Trailing Slash From String PHP
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edited Nov 13 '13 at 13:10
CJM
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answered No...
Increase number of axis ticks
..._continuous. For example:
library(ggplot2)
dat <- data.frame(x = rnorm(100), y = rnorm(100))
ggplot(dat, aes(x,y)) +
geom_point()
Gives you this:
And overriding the scales can give you something like this:
ggplot(dat, aes(x,y)) +
geom_point() +
scale_x_continuous(breaks = round(seq(...
Initializing a member array in constructor initializer
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edited Oct 30 '10 at 9:44
answered Oct 30 '10 at 9:33
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What is the most effective way to get the index of an iterator of an std::vector?
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TankorSmash
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answered Jan 28 '10 at 8:25
UncleBensUncleBen...
Set value for particular cell in pandas DataFrame using index
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RukTech's answer, df.set_value('C', 'x', 10), is far and away faster than the options I've suggested below. However, it has been slated for deprecation.
Going forward, the recommended method is .iat/.at.
Why df.xs('C')['x']=10 does not work:
df.xs('C') by defau...
When do I need to use AtomicBoolean in Java?
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answered Dec 21 '10 at 16:10
BozhoBozho
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How do you divide each element in a list by an int?
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The idiomatic way would be to use list comprehension:
myList = [10,20,30,40,50,60,70,80,90]
myInt = 10
newList = [x / myInt for x in myList]
or, if you need to maintain the reference to the original list:
myList[:] = [x / myInt for x in myList]
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Difference between jQuery’s .hide() and setting CSS to display: none
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answered Dec 9 '10 at 10:09
Stephan MullerStephan Muller
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Should I embed images as data/base64 in CSS or HTML
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answered Mar 10 '11 at 10:06
PekkaPekka
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