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Normal arguments vs. keyword arguments
...tion them after all of the arguments without names (positional arguments), and there must be default values for any parameters which were not mentioned at all.
The other concept is on the function definition side: you can define a function that takes parameters by name -- and you don't even have to...
Overriding fields or properties in subclasses
I have an abstract base class and I want to declare a field or a property that will have a different value in each class that inherits from this parent class.
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Maintain git repo inside another git repo
...r Git repository. This lets you clone another repository into your project and keep your commits separate.
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How can I get a count of the total number of digits in a number?
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I'm afraid ceil(log10(10)) = ceil(1) = 1, and not 2 as it should be for this question!
– ysap
Dec 19 '10 at 18:08
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How do I retrieve the number of columns in a Pandas data frame?
How do you programmatically retrieve the number of columns in a pandas dataframe? I was hoping for something like:
6 Answer...
Long Press in JavaScript?
...at, you don't just want mouse move though - holding you finger dead steady and not moving 1px is quite hard! You need to apply a threshold (if mouse hasn't moved 10px) etc. Gets complicated quite quickly!
– Ian
Feb 18 '15 at 12:44
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SET versus SELECT when assigning variables?
What are the differences between the SET and SELECT statements when assigning variables in T-SQL?
4 Answers
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How do I compute derivative using Numpy?
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Automatic Derivatives
Symbolic Differentiation
Compute derivatives by hand.
Finite differences require no external tools but are prone to numerical error and, if you're in a multivariate situation, can take a while.
Symbolic differentiation is ideal if your problem is simple enough. Symbolic...
How to find event listeners on a DOM node when debugging or from the JavaScript code?
I have a page where some event listeners are attached to input boxes and select boxes. Is there a way to find out which event listeners are observing a particular DOM node and for what event?
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How do you dynamically add elements to a ListView on Android?
...anyone explain or suggest a tutorial to dynamically create a ListView in android?
7 Answers
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