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Difference between rake db:migrate db:reset and db:schema:load
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The modulo operation on negative numbers in Python
...ame sign as the denominator (divisor). Your expression yields 3 because
(-5) / 4 = -1.25 --> floor(-1.25) = -2
(-5) % 4 = (-2 × 4 + 3) % 4 = 3.
It is chosen over the C behavior because a nonnegative result is often more useful. An example is to compute week days. If today is Tuesday (day #2),...
What's the difference between an exclusive lock and a shared lock?
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ArjunShankarArjunShankar
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Why does the C# compiler not fault code where a static method calls an instance method?
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Jeppe Stig NielsenJeppe Stig Nielsen
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Better way to shuffle two numpy arrays in unison
...s:
a = numpy.array([[[ 0., 1., 2.],
[ 3., 4., 5.]],
[[ 6., 7., 8.],
[ 9., 10., 11.]],
[[ 12., 13., 14.],
[ 15., 16., 17.]]])
b = numpy.array([[ 0., 1.],
[ 2., 3.],
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Why JSF saves the state of UI components on server?
...red or when the queue is full. Mojarra for example has a default limit of 15 logical views when state saving is set to session. This is configureable with the following context param in web.xml:
<context-param>
<param-name>com.sun.faces.numberOfLogicalViews</param-name>
<...
How does Bluebird's util.toFastProperties function make an object's properties “fast”?
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+350
2017 update: First, for readers coming today - here is a version that works with Node 7 (4+):
function enforceFastProperties(o) {
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Git branch diverged after rebase
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answered Sep 25 '13 at 23:19
Jason LeBrunJason LeBrun
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How to check if a float value is a whole number
...is_integer() method:
>>> (1.0).is_integer()
True
>>> (1.555).is_integer()
False
The method was added to the float type in Python 2.6.
Take into account that in Python 2, 1/3 is 0 (floor division for integer operands!), and that floating point arithmetic can be imprecise (a floa...
What is the “double tilde” (~~) operator in JavaScript? [duplicate]
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ghoppeghoppe
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