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Can someone explain this 'double negative' trick? [duplicate]

...ue. The "falsey" values are: false NaN undefined null "" (empty string) 0 share | improve this answer | follow | ...
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Check for current Node Version

... 206 Try to look at process.version property. ...
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What's the idiomatic syntax for prepending to a short python list?

... The s.insert(0, x) form is the most common. Whenever you see it though, it may be time to consider using a collections.deque instead of a list. share | ...
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Suppress Scientific Notation in Numpy When Creating Array From Nested List

...ons(suppress=True), for details see here: http://pythonquirks.blogspot.fr/2009/10/controlling-printing-in-numpy.html For SciPy.org numpy documentation, which includes all function parameters (suppress isn't detailed in the above link), see here: https://docs.scipy.org/doc/numpy/reference/generated/...
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Matplotlib discrete colorbar

...rm as normalizer for your scatter. The quirky bit (in my method) is making 0 showup as grey. For images i often use the cmap.set_bad() and convert my data to a numpy masked array. That would be much easier to make 0 grey, but i couldnt get this to work with the scatter or the custom cmap. As an ...
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pyplot scatter plot marker size

...xamples and the output they produce. # doubling the width of markers x = [0,2,4,6,8,10] y = [0]*len(x) s = [20*4**n for n in range(len(x))] plt.scatter(x,y,s=s) plt.show() gives Notice how the size increases very quickly. If instead we have # doubling the area of markers x = [0,2,4,6,8,10] y ...
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Detect if Visual C++ Redistributable for Visual Studio 2012 is installed

How to detect if Visual C++ Redistributable for Visual Studio 2012 is installed? 20 Answers ...
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Warning: Null value is eliminated by an aggregate or other SET operation in Aqua Data Studio

...ult is display. How to solve this problem?. How to change the null data to 0 when no data in the table?. 6 Answers ...
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Programmatically set left drawable in a TextView

...DrawablesWithIntrinsicBounds(int left, int top, int right, int bottom) set 0 where you don't want images Example for Drawable on the left: TextView textView = (TextView) findViewById(R.id.myTxtView); textView.setCompoundDrawablesWithIntrinsicBounds(R.drawable.icon, 0, 0, 0); Alternatively, you can ...
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How to debug a GLSL shader?

... answered Mar 24 '10 at 17:14 Mr. BernaMr. Berna 10.1k11 gold badge3737 silver badges4141 bronze badges ...