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Comparing two NumPy arrays for equality, element-wise

...rt numpy as np H = 1/np.sqrt(2)*np.array([[1, 1], [1, -1]]) #hadamard matrim>xm> np.array_equal(H.dot(H.T.conj()), np.eye(len(H))) # checking if H is an unitary matrim>xm> or not H is an unitary matrim>xm>, so H m>xm> H.T.conj is an identity matrim>xm>. But np.array_equal returns False – Dem>xm> ...
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How to convert a PIL Image into a numpy array?

...PIL image object back and forth to a numpy array so I can do some faster pim>xm>el by pim>xm>el transformations than PIL's Pim>xm>elAccess object would allow. I've figured out how to place the pim>xm>el information in a useful 3D numpy array by way of: ...
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Using unset vs. setting a variable to empty

...ides returning a return code, set some meaningful message saying what was em>xm>pected. 4 Answers ...
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How can I remove an SSH key?

... identities does not work. Also, why are all identities auto-added?" The em>xm>act issue is: ssh-add -d/-D deletes only manually added keys from gnome-keyring. There is no way to delete automatically added keys. This is the original bug, and it's still definitely present. So, for em>xm>ample, if you hav...
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What is the equivalent of the C# 'var' keyword in Java?

...yword in C# is implicit type declaration. What is the Java equivalent syntam>xm> for var ? 15 Answers ...
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ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)

...most cases you should also set up individual user accounts before working em>xm>tensively with the DB as well. share | improve this answer | follow | ...
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How do I check for null values in JavaScript?

... Javascript is very flem>xm>ible with regards to checking for "null" values. I'm guessing you're actually looking for empty strings, in which case this simpler code will work: if(!pass || !cpass || !email || !cemail || !user){ Which will check for ...
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Why use Abstract Base Classes in Python?

... EAFP or type introspection to confirm that the unknown object meets this em>xm>pected contract. But there are also higher-level, semantic promises in the contract. For em>xm>ample, if there is a __str__() method, it is em>xm>pected to return a string representation of the object. It could delete all contents o...
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How to detect orientation change?

... edited Oct 11 '19 at 12:43 m>Xm>avier Lowmiller 1,13911 gold badge1515 silver badges2121 bronze badges answered Sep 4 '14 at 13:59 ...
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public static const in TypeScript

...s this TS snippet compiled into (via TS Playground): define(["require", "em>xm>ports"], function(require, em>xm>ports) { var Library = (function () { function Library() { } Library.BOOK_SHELF_NONE = "None"; Library.BOOK_SHELF_FULL = "Full"; return Library; })...