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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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final keyword in method parameters [duplicate]
...nt to anything else, the caller of the function never loses its reference, and continues to point to the same object.
– Armand
Feb 20 '14 at 18:19
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How to sort two lists (which reference each other) in the exact same way
...rt(); zip(*tups)
100000 loops, best of 3: 2.84 us per loop
On the other hand, for larger lists, the one-line version could be faster:
>>> %timeit zip(*sorted(zip(list1, list2)))
100 loops, best of 3: 8.09 ms per loop
>>> %timeit tups = zip(list1, list2); tups.sort(); zip(*tups)
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Preloading images with jQuery
I'm looking for a quick and easy way to preload images with JavaScript. I'm using jQuery if that's important.
20 Answers
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clear javascript console in Google Chrome
I was wondering if I could clear up the console with some command..
19 Answers
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Get the current script file name
...tension('bob.i.have.dots.zip')); // string(15) "bob.i.have.dots"
Using standard string library functions is much quicker, as you'd expect.
function chopExtension($filename) {
return substr($filename, 0, strrpos($filename, '.'));
}
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Dictionary text file [closed]
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@Tom Yeah, www.FreeBSD.org (install FreeBSD somewhere and boom, you have it). Otherwise I think this list is similar: raw.githubusercontent.com/eneko/data-repository/master/data/….
– Greg Schmit
Apr 8 '17 at 23:09
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How to flip UIImage horizontally?
...wo problems with this answer - scale isn't 1.0 at retina competible images and for some reason UIImageOrientationUp worked while UIImageOrientationUpMirrored didn't flip it. This worked - image = [UIImage imageWithCGImage:image.CGImage scale:image.scale orientation:UIImageOrientationUp]
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Switch statement fall-through…should it be allowed? [closed]
...h always consider that evil. Perhaps moving the common code to a function and calling from both places would be a better idea.
And please note that I use the C++ FAQ definition of "evil"
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Unable to load DLL (Module could not be found HRESULT: 0x8007007E)
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found some dependency's missing (Oracle and some dll from IE). Need to install Oracle since my dll depends on that..then i will know :) Found the problem with DependencyWalker ;)
– Ingimar Andresson
Jan 25 '12 at 13:48
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