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How to create a tuple with only one element

...ython Docs: A special problem is the construction of tuples containing 0 or 1 items: the syntax has some extra quirks to accommodate these. Empty tuples are constructed by an empty pair of parentheses; a tuple with one item is constructed by following a value with a comma (it is not sufficient t...
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How to use z-index in svg elements?

...be drawn. So swap the two elements. <svg xmlns="http://www.w3.org/2000/svg" viewBox="30 70 160 120"> <!-- First draw the orange circle --> <circle fill="orange" cx="100" cy="95" r="20"/> <!-- Then draw the green circle over the current canvas --> <...
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How to install a previous exact version of a NPM package?

I used nvm to download node v0.4.10 and installed npm to work with that version of node. 10 Answers ...
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How to see all TODO tasks in Android Studio?

... Luka Kerr 3,50266 gold badges3030 silver badges4747 bronze badges answered Apr 30 '14 at 9:49 NeigeNeige ...
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Select all child elements recursively in CSS

... | edited Apr 20 at 18:21 johannchopin 4,84855 gold badges1818 silver badges4040 bronze badges ...
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What is the difference between 'log' and 'symlog'?

...de pyplot.ion() # Draw the grid lines pyplot.grid(True) # Numbers from -50 to 50, with 0.1 as step xdomain = numpy.arange(-50,50, 0.1) # Plots a simple linear function 'f(x) = x' pyplot.plot(xdomain, xdomain) # Plots 'sin(x)' pyplot.plot(xdomain, numpy.sin(xdomain)) # 'linear' is the default mod...
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MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update

... May 3 '13 at 15:45 numbers1311407numbers1311407 30.8k88 gold badges8080 silver badges8787 bronze badges ...
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JQuery find first parent element with specific class prefix

... answered Sep 17 '11 at 20:38 Matt BallMatt Ball 323k8585 gold badges599599 silver badges672672 bronze badges ...
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What do helper and helper_method do?

... answered Oct 22 '10 at 1:40 JeremyJeremy 4,58011 gold badge1616 silver badges1515 bronze badges ...
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Objective-C: Extract filename from path string

... 600 Taken from the NSString reference, you can use : NSString *theFileName = [[string lastPathComp...