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How to get first N elements of a list in C#?
I would like to use Linq to query a bus schedule in my project, so that at any time I can get the next 5 bus arrival times. How can I limit my query to the first 5 results?
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Is there a ceiling equivalent of // operator in Python?
I found out about the // operator in Python which in Python 3 does division with floor.
7 Answers
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Why is std::map implemented as a red-black tree?
Why is std::map implemented as a red-black tree ?
6 Answers
6
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How to compare two strings in dot separated version format in Bash?
Is there any way to compare such strings on bash, e.g.: 2.4.5 and 2.8 and 2.4.5.1 ?
29 Answers
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Multiple glibc libraries on a single host
Multiple glibc libraries on a single host
11 Answers
11
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Pandas get topmost n records within each group
Suppose I have pandas DataFrame like this:
3 Answers
3
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print call stack in C or C++
Is there any way to dump the call stack in a running process in C or C++ every time a certain function is called? What I have in mind is something like this:
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Random row selection in Pandas dataframe
Is there a way to select random rows from a DataFrame in Pandas.
6 Answers
6
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warning about too many open figures
In a script where I create many figures with fix, ax = plt.subplots(...) , I get the warning RuntimeWarning: More than 20 figures have been opened. Figures created through the pyplot interface (matplotlib.pyplot.figure) are retained until explicitly closed and may consume too much memory.
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php Replacing multiple spaces with a single space [duplicate]
I'm trying to replace multiple spaces with a single space. When I use ereg_replace , I get an error about it being deprecated.
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