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Check if a class is derived from a generic class
... The while loop will not break if the toCheck type is not a class (ie, interface). This will cause a NullReferenceException.
– JD Courtoy
Dec 23 '09 at 21:54
2
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How to programmatically set the layout_align_parent_right attribute of a Button in Relative Layout?
...veLayout.LayoutParams. You'll be using RelativeLayout.LayoutParams#addRule(int verb) and RelativeLayout.LayoutParams#addRule(int verb, int anchor)
You can get to it via code:
RelativeLayout.LayoutParams params = (RelativeLayout.LayoutParams)button.getLayoutParams();
params.addRule(RelativeLayout.A...
How do I get Month and Date of JavaScript in 2 digit format?
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The following is used to convert db2 date format
i.e YYYY-MM-DD using ternary operator
var currentDate = new Date();
var twoDigitMonth=((currentDate.getMonth()+1)>=10)? (currentDate.getMonth()+1) : '0' + (currentDate.getMonth()+1);
var twoDig...
How and why does 'a'['toUpperCase']() in JavaScript work?
...rCase() is a method of String.prototype
'a' is a primitive value, but gets converted into its Object representation
We have two possible notations to access object properties/methods, dot and bracket notation
So
'a'['toUpperCase'];
is the access via bracket notation on the property toUpperCase,...
Nested defaultdict of defaultdict
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here is a recursive function to convert a recursive default dict to a normal dict
def defdict_to_dict(defdict, finaldict):
# pass in an empty dict for finaldict
for k, v in defdict.items():
if isinstance(v, defaultdict):
# new l...
Image Segmentation using Mean Shift explained
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A Mean-Shift segmentation works something like this:
The image data is converted into feature space
In your case, all you have are intensity values, so feature space will only be one-dimensional. (You might compute some texture features, for instance, and then your feature space would be two d...
Is there a way to detect if an image is blurry?
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Only one point that's hugely important is that you have to know (at least roughly) what your expected pre-blurred image (frequency) content was. This is true since the frequency spectrum is going to be that of the original image times t...
throw checked Exceptions from mocks with Mockito
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Check the Java API for List.
The get(int index) method is declared to throw only the IndexOutOfBoundException which extends RuntimeException.
You are trying to tell Mockito to throw an exception SomeException() that is not valid to be thrown by that particular m...
Overriding !important style
...y to just use the hyphenated form instead, or if you need to automatically convert it just write a function.
– nyuszika7h
Dec 29 '18 at 13:46
add a comment
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Operator overloading : member function vs. non-member function?
...one parameter and the other parameter passed automatically is the this pointer. So no standard exists to compare them. On the other hand, overloaded operator declared as a friend is symmetric because we pass two arguments of the same type and hence, they can be compared.
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