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Razor View Engine : An expression tree may not contain a dynamic operation
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301
It seems to me that you have an untyped view. By default, Razor views in MVC3 RC are typed as d...
Detect if a NumPy array contains at least one non-numeric value?
...ng and will work regardless of shape.
numpy.isnan(myarray).any()
Edit: 30x faster:
import timeit
s = 'import numpy;a = numpy.arange(10000.).reshape((100,100));a[10,10]=numpy.nan'
ms = [
'numpy.isnan(a).any()',
'any(numpy.isnan(x) for x in a.flatten())']
for m in ms:
print " %.2f s" ...
How to remove a field from params[:something]
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edited Nov 9 '18 at 20:06
rmcsharry
3,83744 gold badges4545 silver badges7878 bronze badges
answere...
What does curly brackets in the `var { … } = …` statements do?
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edited May 19 '16 at 12:07
Red15
66555 silver badges1616 bronze badges
answered Mar 8 '13 at 10:09
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Regex for password must contain at least eight characters, at least one number and both lower and up
...?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,}$"
Minimum eight and maximum 10 characters, at least one uppercase letter, one lowercase letter, one number and one special character:
"^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,10}$"
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Ruby: How to iterate over a range, but in set increments?
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260
See http://ruby-doc.org/core/classes/Range.html#M000695 for the full API.
Basically you use the...
What is the !! (not not) operator in JavaScript?
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Converts Object to boolean. If it was falsey (e.g. 0, null, undefined, etc.), it will be false, otherwise, true.
!oObject // inverted boolean
!!oObject // non inverted boolean so true boolean representation
So !! is not an operator, it's just the ! operator twice.
Real W...
Convert object to JSON in Android
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edited Mar 24 at 6:02
Akshay
2,43233 gold badges3232 silver badges5050 bronze badges
answered Apr...
Assert a function/method was not called using Mock
...hon 2.7.1 and am using unittest and from mock import Mock with Python Mock 0.1.0 for my tests. Does any of that sound problematic?
– Nathan Arthur
Nov 19 '14 at 16:18
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moving changed files to another branch for check-in
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790
git stash is your friend.
If you have not made the commit yet, just run git stash. This will sa...