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How to amend older Git commit? [duplicate]
I have made 3 git commits, but have not been pushed.
How can I amend the older one (ddc6859af44) and (47175e84c) which is not the most recent one?
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Different ways of clearing lists
... doesn't affect other references:
>>> a = [1, 2, 3]
>>> b = a
>>> a = []
>>> print(a)
[]
>>> print(b)
[1, 2, 3]
But this one does:
>>> a = [1, 2, 3]
>>> b = a
>>> del a[:] # equivalent to del a[0:len(a)]
>>> ...
How can I read a function's signature including default argument values?
Given a function object, how can I get its signature? For example, for:
8 Answers
8
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Can enums be subclassed to add new elements?
..., you can't do this in Java. Aside from anything else, d would then presumably be an instance of A (given the normal idea of "extends"), but users who only knew about A wouldn't know about it - which defeats the point of an enum being a well-known set of values.
If you could tell us more about how ...
Python nested functions variable scoping [duplicate]
I've read almost all the other questions about the topic, but my code still doesn't work.
10 Answers
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If a DOM Element is removed, are its listeners also removed from memory?
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Modern browsers
Plain JavaScript
If a DOM element which is removed is reference-free (no references pointing to it) then yes - the element itself is picked up by the garbage collector as well as any event handlers/listeners associ...
What is the difference between the GNU Makefile variable assignments =, ?=, := and +=?
Can anybody give a clear explanation of how variable assignment really works in Makefiles.
6 Answers
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Why is NaN not equal to NaN? [duplicate]
The relevant IEEE standard defines a numeric constant NaN (not a number) and prescribes that NaN should compare as not equal to itself. Why is that?
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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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.append(), prepend(), .after() and .before()
I am pretty proficient with coding, but now and then I come across code that seems to do basically the same thing. My main question here is, why would you use .append() rather then .after() or vice verses?
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