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How to estimate how much memory a Pandas' DataFrame will need?
...ar 20906600
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To include indexes, pass index=True.
So to get overall memory consumption:
>>> df.memory_usage(index=True).sum()
731731000
Also, passing deep=True will enable a more accurate memory usage report, that accounts for the full usage of the contained objects.
This is bec...
Array versus List: When to use which?
...he underlying stream (and v.v.); quicker than BufferedStream etc;
it internally uses an array-based model of objects (Foo[] rather than List<Foo>), since the size is fixed once built, and needs to be very fast.
But this is definitely an exception; for general line-of-business processing, a L...
Why is it said that “HTTP is a stateless protocol”?
HTTP has HTTP Cookies. Cookies allow the server to track the user state, the number of connections, last connection, etc.
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Create ArrayList from array
...d in the (most common) case where you just want a list, the new ArrayList call is unecessary as well.
– Calum
Oct 1 '08 at 14:41
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Changing .gitconfig location on Windows
...r, to give it the effect you desire, you need to pass the --global flag to all git invocations (plus any local .git/config files are ignored).
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Programming with white text on black background?
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It's actually white on black, or rather green or amber on black, that is the traditional way. I've used them all. :)
I believe that the use of black on white started in word processors, because it's a lot easier on your eyes when you...
What is the difference between RDF and OWL? [closed]
...erence between RDF and OWL. Is OWL an extension of RDF or these two are totally different technologies?
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How to unit test abstract classes: extend with stubs?
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Write a Mock object and use them just for testing. They usually are very very very minimal (inherit from the abstract class) and not more.Then, in your Unit Test you can call the abstract method you want to test.
You should test abstract class that contain some logic like all other ...
DateTime vs DateTimeOffset
...s a position on someone's calendar, and there are many different calendars all over the globe. We call these calendars time zones. Calendar time is represented by a DateTime where .Kind is DateTimeKind.Unspecified, or DateTimeKind.Local. And .Local is only meaningful in scenarios where you have a...
Quickest way to compare two generic lists for differences
...2.Except(list1).ToList();
I suspect there are approaches which would actually be marginally faster than this, but even this will be vastly faster than your O(N * M) approach.
If you want to combine these, you could create a method with the above and then a return statement:
return !firstNotSecon...