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One-line list comprehension: if-else variants

...sion you're returning for each element. Thus you need: [ x if x%2 else x*100 for x in range(1, 10) ] The confusion arises from the fact you're using a filter in the first example, but not in the second. In the second example you're only mapping each value to another, using a ternary-operator expr...
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Convert date to datetime in Python

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ValueError: numpy.dtype has the wrong size, try recompiling

...ABI backward compatibility. This happened (unintentionally) with numpy 1.4.0. As a consequence, users that updated numpy to 1.4.0, had binary incompatibilities with all other compiled packages, that were compiled against a previous version of numpy. This requires that all packages with binary extens...
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How do I write a custom init for a UIView subclass in Swift?

... self.s = s self.i = i super.init(frame: CGRect(x: 0, y: 0, width: 100, height: 100)) } required init?(coder aDecoder: NSCoder) { super.init(coder: aDecoder) } } share |...
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Android - shadow on text?

...textSize">12sp</item> <item name="android:shadowColor">#000000</item> <item name="android:shadowDx">1</item> <item name="android:shadowDy">1</item> <item name="android:shadowRadius">1</item> </style> And in your layou...
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Cannot deserialize the JSON array (e.g. [1,2,3]) into type ' ' because type requires JSON object (e.

... answered Mar 21 '14 at 11:40 har07har07 81.6k1212 gold badges6262 silver badges108108 bronze badges ...
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Rotating a point about another point (2D)

... twe4ked 2,6091717 silver badges2323 bronze badges answered Feb 13 '10 at 23:18 Nils PipenbrinckNils Pipenbrinck ...
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How I can I lazily read multiple JSON values from a file/stream in Python?

... 20 Here's a much, much simpler solution. The secret is to try, fail, and use the information in th...
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Suppress properties with null value on ASP.NET Web API

...ueHandling = NullValueHandling.Ignore } }; config.Formatters.RemoveAt(0); config.Formatters.Insert(0, jsonformatter); share | improve this answer | follow ...
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How to convert a NumPy array to PIL image applying matplotlib colormap

...st ensure your NumPy array, myarray, is normalised with the max value at 1.0. Apply the colormap directly to myarray. Rescale to the 0-255 range. Convert to integers, using np.uint8(). Use Image.fromarray(). And you're done: from PIL import Image from matplotlib import cm im = Image.fromarray(np....