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How do I use $scope.$watch and $scope.$apply in AngularJS?
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You need to be aware about how AngularJS works in order to understand it.
Digest cycle and $scope
First and foremost, AngularJS defines a concept of a so-called digest cycle. This cycle can be considered as a loop, during which AngularJS checks if there are any changes to ...
What is the difference between JDK dynamic proxy and CGLib?
...n does not implement an interface, in that case we uses inheritance:
In order to generate such proxies, Spring uses a third party library called CGLib.
CGLib (Code Generation Library) is built on top of ASM, this is mainly used the generate proxy extending bean and adds bean behavior in the p...
JavaScript click event listener on class
...u would have to check for the correct value in that fields eg. classes and order. i'd rather go for evt.target.classList.contains('databox')
– honk31
Mar 6 '19 at 10:50
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How to solve PHP error 'Notice: Array to string conversion in…'
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Understanding ibeacon distancing
...info form accelerometer to detect whether user is moving (and how fast) in order to reset the previous distribution distance values because they have certainly changed.
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How can you represent inheritance in a database?
... belongs to. Won't you still have to do a JOIN with all of the subtypes in order to get all of the policy details?
– Adam
Mar 7 '16 at 20:26
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Abort makefile if variable not set
... :|check-defined-BAR
Notice that the check-defined-BAR is listed as the order-only (|...) prerequisite.
Pros:
(arguably) a more clean syntax
Cons:
One can't specify a custom error message
Running make -t (see Instead of Executing Recipes) will pollute your root directory with lots of check...
How do you create a static class in C++?
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yes but in namespace you have to keep the function order, in contrast to class with static members, for example void a(){b();} b(){} would yield an error in a namespace but not in a class with static members
– Moataz Elmasry
Aug 23 '12 a...
Multiple inheritance/prototypes in JavaScript
...lling [[GetPrototypeOf]] and getting the own properties of each one. So in order to make it iterate the properties of all prototypes, I use this trap to make all enumerable inherited properties appear like own properties.
The getOwnPropertyDescriptor trap is a trap for Object.getOwnPropertyDescripto...
Finding local maxima/minima with Numpy in a 1D numpy array
...max_peakind = signal.find_peaks_cwt(data, np.arange(1,10))
# inverse (in order to find minima)
inv_data = 1/data
# minima : use builtin function fo find (min) peaks (use inversed data)
min_peakind = signal.find_peaks_cwt(inv_data, np.arange(1,10))
#show results
print "maxima", data[max_peakind]
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