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How can I create a Set of Sets in Python?
...jects are mutable and thus not hashable. The solution is to use frozenset for the inner sets, to indicate that you have no intention of modifying them.
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How to verify that a specific method was not called using Mockito?
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Even more meaningful :
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;
// ...
verify(dependency, never()).someMethod();
The documentation of this feature is there §4 "Verifying exact number ...
First-time database design: am I overengineering? [closed]
I'm a first year CS student and I work part time for my dad's small business. I don't have any experience in real world application development. I have written scripts in Python, some coursework in C, but nothing like this.
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How to scale down a range of numbers with a known min and max value
... a range of numbers and scale the values down to fit a range. The reason for wanting to do this is that I am trying to draw ellipses in a java swing jpanel. I want the height and width of each ellipse to be in a range of say 1-30. I have methods that find the minimum and maximum values from my da...
EditText maxLines not working - user can still input more lines than set
User can input more than 5 lines, by pressing enter/next row key. How can I limit user input to fixed amount of rows with EditText?
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C# How can I check if a URL exists/is valid?
... c# 2005 that looks up a stock symbol on Yahoo! Finance, downloads the historical data, and then plots the price history for the specified ticker symbol.
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Mockito test a void method throws an exception
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The parentheses are poorly placed.
You need to use:
doThrow(new Exception()).when(mockedObject).methodReturningVoid(...);
^
and NOT use:
doThrow(new Exception()).when(mockedObject.methodReturningVoid(...)...
Removing duplicates from a list of lists
...gt;>> k = [[1, 2], [4], [5, 6, 2], [1, 2], [3], [4]]
>>> import itertools
>>> k.sort()
>>> list(k for k,_ in itertools.groupby(k))
[[1, 2], [3], [4], [5, 6, 2]]
itertools often offers the fastest and most powerful solutions to this kind of problems, and is well wor...
How can I get the source code of a Python function?
...g with args
a = arg1 + arg2
return a
Then:
import inspect
lines = inspect.getsource(foo)
print(lines)
Returns:
def foo(arg1,arg2):
#do something with args
a = arg1 + arg2
return a
But I believe that if the function ...
How can I represent an 'Enum' in Python?
I'm mainly a C# developer, but I'm currently working on a project in Python.
43 Answers
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