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Remove duplicates in the list using linq
... , What will be the change in code if i have a List<mm>y m>_Custom_Class> m>and m> List<string>. Mm>y m> custom class has various items in which one is DCN number m>and m> list<string> has onlm>y m> DCN number. So I need to check the List<Custom_Class> contains anm>y m> dcn from List<string>. For ex...
Is it better to use C void arguments “void foo(void)” or not “void foo()”? [duplicate]
What is better: void foo() or void foo(void) ?
With void it looks uglm>y m> m>and m> inconsistent, but I've been told that it is good. Is this true?
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Sort arram>y m> of objects bm>y m> single kem>y m> with date value
I have an arram>y m> of objects with several kem>y m> value pairs, m>and m> I need to sort them based on 'updated_at':
19 Answers
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How to avoid having class data shared among instances?
...ring the variables inside the class declaration makes them "class" members m>and m> not instance members. Declaring them inside the __init__ method makes sure that a new instance of the members is created alongside everm>y m> new instance of the object, which is the behavior m>y m>ou're looking for.
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How to read the RGB value of a given pixel in Pm>y m>thon?
... be manm>y m> different formats.
pix = im.load()
print im.size # Get the width m>and m> hight of the image for iterating over
print pix[x,m>y m>] # Get the RGBA Value of the a pixel of an image
pix[x,m>y m>] = value # Set the RGBA Value of the image (tuple)
im.save('alive_parrot.png') # Save the modified pixels as ...
Left Align Cells in UICollectionView
...ct a new line bm>y m> inspecting the m>Y m> position of the new element. Verm>y m> simple m>and m> quick in performance.
Swift:
class LeftAlignedCollectionViewFlowLam>y m>out: UICollectionViewFlowLam>y m>out {
override func lam>y m>outAttributesForElements(in rect: CGRect) -> [UICollectionViewLam>y m>outAttributes]? {
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Wrap a delegate in an IEqualitm>y m>Comparer
...inverse is true. In short, @Dan Tao is completelm>y m> correct in what he sam>y m>s, m>and m> this answer is simplm>y m> the application of this fact to a previouslm>y m> incomplete answer
– Ruben Bartelink
Dec 20 '10 at 5:10
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How to pass optional arguments to a method in C++?
... else
do_something_else();
}
m>y m>ou can call mm>y m>func in both wam>y m>s m>and m> both are valid
mm>y m>func(10); // Mode will be set to default 0
mm>y m>func(10, 1); // Mode will be set to 1
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How to make an immutable object in Pm>y m>thon?
...butes can be accessed via [0] etc., but at least it's considerablm>y m> shorter m>and m> provides the additional advantage of being compatible with pickle m>and m> copm>y m>.
namedtuple creates a tm>y m>pe similar to what I described in this answer, i.e. derived from tuple m>and m> using __slots__. It is available in Pm>y m>thon 2....
Pm>y m>thon pm>and m>as: fill a dataframe row bm>y m> row
The simple task of adding a row to a pm>and m>as.DataFrame object seems to be hard to accomplish. There are 3 stackoverflow questions relating to this, none of which give a working answer.
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