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CSS selector by inline style attribute
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195
The inline style attribute is no different to any other HTML attribute and can be matched with a...
Best way to detect Mac OS X or Windows computers with JavaScript or jQuery
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edited Apr 13 '19 at 19:25
answered Aug 1 '12 at 3:12
Viti...
Design for Facebook authentication in an iOS app that also accesses a secured web service
...ust dealt with this myself, and here's the part that bit me:
In your step 5... It's possible for a user to register for an account with you entirely separate from their Facebook ID, right? Then some other time they log in with Facebook.... And you just created them a second account and lost their f...
Java equivalent of C#'s verbatim strings with @
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edited Sep 27 '11 at 15:31
Tim Cooper
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a...
What is the template binding vs binding?
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205
TemplateBinding is used for binding to the element properties within the template definition. I...
How does comparison operator works with null int?
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Julian
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answered Apr 3 '13 at 2:16
nkvunkvu
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How to expand/collapse a diff sections in Vimdiff?
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laurent
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answered Mar 13 '11 at 21:41
ninjaljninjalj
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Add column with number of days between dates in DataFrame pandas
... datetime64[ns]
dtype: object
In [12]: df['A'] - df['B']
Out[12]:
one -58 days
two -26 days
dtype: timedelta64[ns]
In [13]: df['C'] = df['A'] - df['B']
In [14]: df
Out[14]:
A B C
one 2014-01-01 2014-02-28 -58 days
two 2014-02-03 2014-03-01 -26 days
Note: ensure...
Global and local variables in R
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158
Variables declared inside a function are local to that function. For instance:
foo <- funct...