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Convert pandas dataframe to NumPy array
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@Moniba you may want to explode the list items into separate columns/rows as per your requirement first.
– cs95
Aug 26 '19 at 4:48
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Make div (height) occupy parent remaining height
...en the element content size is smaller;
Specify flex-shrink: 0 to all flex items with fixed height so they won't become smaller when the element content size is bigger than the remaining space size;
Specify overflow: hidden to all direct parents with computed height (if any) to disable scrolling and...
How is performance affected by an unused using directive?
...wouldn't worry too much about it, but you can use the Organize Usings menu item to remove and sort the using statements.
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How can I shuffle the lines of a text file on the Unix command line or in a shell script?
... has been pointed out that sort -R doesn't really shuffle but instead sort items according to their hash value.
[Editor's note: sort -R almost shuffles, except that duplicate lines / sort keys always end up next to each other. In other words: only with unique input lines / keys is it a true shuffle...
What is the most efficient way to create a dictionary of two pandas Dataframe columns?
...0,2),columns=list('AB'))
In [7]: %timeit dict(zip(df.A,df.B))
1000 loops, best of 3: 1.27 ms per loop
In [8]: %timeit pd.Series(df.A.values,index=df.B).to_dict()
1000 loops, best of 3: 987 us per loop
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Type hinting a collection of a specified type
...ing Python 3's function annotations, it is possible to specify the type of items contained within a homogeneous list (or other collection) for the purpose of type hinting in PyCharm and other IDEs?
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Using arrays or std::vectors in C++, what's the performance gap?
...ies:
Dynamic arrays
Using a pointer to a malloc-ed/new-ed array will be at best as fast as the std::vector version, and a lot less safe (see litb's post).
So use a std::vector.
Static arrays
Using a static array will be at best:
as fast as the std::array version
and a lot less safe.
So use a std::...
intellij - spring is not being recognized (Unmapped Spring configuration)
...cking the warning or through file=>project structure
select the modules item in the left hand list
go through and right click on the modules with missing files and select Add=>Spring
in the new tab click the + button
you should now see a list of the xml files. Check the boxes next to them
I...
How do I push amended commit to the remote Git repository?
...f this answer seems to not exist anymore, could anyone help to clarify the item number 1: find the old commit. If you don't have a backup, where would you find it? Amend and force push wouldn't have it destroyed? Maybe he is referring to get it from a friend/collaborator that still have it in the tr...
How to get first record in each group using Linq
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What if want to retrieve the first and last item from the group?
– Sandeep Pandey
Feb 14 at 13:11
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