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C++ static virtual members?
Is it possible in C++ to have a member function that is both static and virtual ? Apparently, there isn't a straightforward way to do it ( static virtual member(); is a compile error), but is there at least a way to achieve the same effect?
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Which characters make a URL invalid?
Which characters make a URL invalid?
10 Answers
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cannot find zip-align when publishing app
This is the message I received when I tried to publish my app. I'm using the latest revision of Android SDK Tools (23 which was released today) and SDK Platform-tools (20 which was also released today). I got an APK out of it, but if I tried to upload it to Google Play I got an error complaining tha...
How do I find numeric columns in Pandas?
Let's say df is a pandas DataFrame.
I would like to find all columns of numeric type.
Something like:
11 Answers
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Mutex example / tutorial? [closed]
...ork. Did a lot of Googling but it still left some doubts of how it works because I created my own program in which locking didn't work.
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Why did my Git repo enter a detached HEAD state?
I ended up with a detached head today, the same problem as described in: git push says everything up-to-date even though I have local changes
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Why do Python's math.ceil() and math.floor() operations return floats instead of integers?
Can someone explain this (straight from the docs - emphasis mine):
8 Answers
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Cannot run Eclipse; JVM terminated. Exit code=13
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How come a non-const reference cannot bind to a temporary object?
Why is it not allowed to get non-const reference to a temporary object,
which function getx() returns? Clearly, this is prohibited by C++ Standard
but I am interested in the purpose of such restriction, not a reference to the standard.
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surface plots in matplotlib
I have a list of 3-tuples representing a set of points in 3D space. I want to plot a surface that covers all these points.
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