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How to mock an import

...importing A to get what you want: test.py: import sys sys.modules['B'] = __import__('mock_B') import A print(A.B.__name__) A.py: import B Note B.py does not exist, but when running test.py no error is returned and print(A.B.__name__) prints mock_B. You still have to create a mock_B.py where ...
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How do I change the string representation of a Python class? [duplicate]

... functions. Json dumps treats the object as a dictionary, and will convert all keys to strs. – mchicago Mar 7 '14 at 12:14 add a comment  |  ...
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How to get method parameter names?

...ious code object properties for you. >>> inspect.getfullargspec(a_method) (['arg1', 'arg2'], None, None, None) The other results are the name of the *args and **kwargs variables, and the defaults provided. ie. >>> def foo(a, b, c=4, *arglist, **keywords): pass >>> ins...
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Open file in a relative location in Python

...n a subdirectory beneath where the script is actually located, you can use __file__ to help you out here. __file__ is the full path to where the script you are running is located. So you can fiddle with something like this: import os script_dir = os.path.dirname(__file__) #<-- absolute dir the...
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Peak-finding algorithm for Python/SciPy

...ant to understand well its parameters width, threshold, distance and above all prominence to get a good peak extraction. According to my tests and the documentation, the concept of prominence is "the useful concept" to keep the good peaks, and discard the noisy peaks. What is (topographic) promine...
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Python: fastest way to create a list of n lists

... The probably only way which is marginally faster than d = [[] for x in xrange(n)] is from itertools import repeat d = [[] for i in repeat(None, n)] It does not have to create a new int object in every iteration and is about 15 % faster on my machine. Edi...
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Where is the WPF Numeric UpDown control?

...Modifier="private" Margin="5,5,0,5" Width="50" Text="0" TextChanged="txtNum_TextChanged" /> <Button x:Name="cmdUp" x:FieldModifier="private" Margin="5,5,0,5" Content="˄" Width="20" Click="cmdUp_Click" /> <Button x:Name="cmdDown" x:FieldModifier="private" Margin="0,5,0,5" Conten...
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Download file from an ASP.NET Web API method using AngularJS

...he requested file simply by using the code below, and this is supported in all browsers, and will obviously trigger the WebApi request just the same. $scope.downloadFile = function(downloadPath) { window.open(downloadPath, '_blank', ''); } Ajax binary download method: Using ajax to downlo...
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How to write log base(2) in c/c++

...mpiler doesn't know that log10 will return the same value every time. For all the compiler knows, log10(2) could return different values on successive calls. – abelenky Jun 17 '10 at 21:24 ...
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Real world use cases of bitwise operators [closed]

...checksums, parity, stop bits, flow control algorithms, and so on, which usually depend on the logic values of individual bytes as opposed to numeric values, since the medium may only be capable of transmitting one bit at a time. Compression, Encryption Both of these are heavily dependent on bitwise ...