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Strings in a DataFrame, but dtype is object
... a ndarray must has the same size in byte. For int64 and float64, they are 8 bytes. But for strings, the length of the string is not fixed. So instead of save the bytes of strings in the ndarray directly, Pandas use object ndarray, which save pointers to objects, because of this the dtype of this ki...
How to pass event as argument to an inline event handler in JavaScript?
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edited Apr 28 at 17:22
Mobeen Sarwar
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answered May 6 ...
Implementing two interfaces in a class with same method. Which interface method is overridden?
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348
+100
If a typ...
json_encode sparse PHP array as JSON array, not JSON object
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edited Mar 2 '14 at 18:18
Mark Amery
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lenses, fclabels, data-accessor - which library for structure access and mutation is better
...age includes the template-haskell plumbing, so the package is not Haskell 98, and it also requires the (fairly non-controversial) TypeOperators extension.
data-accessor
[Edit: data-accessor is no longer using this representation, but has moved to a form similar to that of data-lens. I'm keeping th...
moment.js - UTC gives wrong date
...e it (my local time offset is UTC+3 during DST):
>>> moment('07-18-2013', 'MM-DD-YYYY').utc().format("YYYY-MM-DD HH:mm")
"2013-07-17 21:00"
>>> moment('07-18-2013 12:00', 'MM-DD-YYYY HH:mm').utc().format("YYYY-MM-DD HH:mm")
"2013-07-18 09:00"
>>> Date()
"Thu Jul 25 2013 1...
When to use a key/value store such as Redis instead/along side of a SQL database?
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edited Dec 9 '18 at 5:57
Shimmy Weitzhandler
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onNewIntent() lifecycle and registered listeners
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Ragunath Jawahar
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answered Jan 17 '12 at 14:55
RodjaRodja
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What does '--set-upstream' do?
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answered Aug 3 '13 at 10:48
TheCodeArtistTheCodeArtist
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