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How can I convert a dictionary into a list of tuples?

... it or organize it as necessary. See: items(), iteritems() In Python 3.x, you would not use iteritems (which no longer exists), but instead use items, which now returns a "view" into the dictionary items. See the What's New document for Python 3.0, and the new documentation on views. 1: Inserti...
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How to create a self-signed certificate with OpenSSL

I'm adding HTTPS support to an embedded Linux device. I have tried to generate a self-signed certificate with these steps: ...
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Left Align Cells in UICollectionView

...he line is composed by only 1 item or are over complicated. Based on the example given by Ryan, I changed the code to detect a new line by inspecting the Y position of the new element. Very simple and quick in performance. Swift: class LeftAlignedCollectionViewFlowLayout: UICollectionViewFlowLa...
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Generating random whole numbers in JavaScript in a specific range?

... random whole numbers between two specified variables in JavaScript, e.g. x = 4 and y = 8 would output any of 4, 5, 6, 7, 8 ? ...
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Python how to write to a binary file?

... This is exactly what bytearray is for: newFileByteArray = bytearray(newFileBytes) newFile.write(newFileByteArray) If you're using Python 3.x, you can use bytes instead (and probably ought to, as it signals your intention better). B...
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Run an OLS regression with Pandas Data Frame

... the values of column A from the values in columns B and C. Here is a toy example: 5 Answers ...
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How to output something in PowerShell

... is PowerShell is a thing of beauty - and one its greatest strengths. For example, the common Hello, World! application is reduced to a single line: "Hello, World!" It creates a string object, assigns the aforementioned value, and being the last item on the command pipeline it calls the .toString...
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Rotating a point about another point (2D)

... First subtract the pivot point (cx,cy), then rotate it, then add the point again. Untested: POINT rotate_point(float cx,float cy,float angle,POINT p) { float s = sin(angle); float c = cos(angle); // translate point back to origin: p.x -= cx; p.y...
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Why does the is operator return false when given null?

...ers. The question that the is operator answers is the third question. y is X does not ask "is y a legal value of a variable of type X?" It asks "Is y a valid reference to an object of type X?" Since a null reference is not a valid reference to any object of any type, the answer is "no". That drivewa...