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Why can't I have “public static const string S = ”stuff"; in my Class?
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607
A const object is always static.
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Why are Where and Select outperforming just Select?
...an be different from cost(+), they don't necessarily intersect at p(valid)=0.5.
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How to set transform origin in SVG
...lem is, by default, it always applies the transform around the origin at (0, 0) – top left.
6 Answers
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How to add text to a WPF Label in code?
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answered Feb 4 '11 at 20:14
Daniel A. WhiteDaniel A. White
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dplyr: “Error in n(): function should not be called directly”
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120
I presume you have dplyr and plyr loaded in the same session. dplyr is not plyr. ddply is not a ...
Why does typeof NaN return 'number'?
...N as at least one operand
Indeterminate forms
The divisions 0/0, ∞/∞, ∞/−∞, −∞/∞, and −∞/−∞
The multiplications 0×∞ and 0×−∞
The power 1^∞
The additions ∞ + (−∞), (−∞) + ∞ and equivalent subtractions.
Real operations with...
Quickly reading very large tables as dataframes
I have very large tables (30 million rows) that I would like to load as a dataframes in R. read.table() has a lot of convenient features, but it seems like there is a lot of logic in the implementation that would slow things down. In my case, I am assuming I know the types of the columns ahead o...
How do you get the footer to stay at the bottom of a Web page?
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203
To get a sticky footer:
Have a <div> with class="wrapper" for your content.
Right befor...
How do I put an already-running process under nohup?
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edited May 21 '14 at 0:19
the Tin Man
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Difference between Django's annotate and aggregate methods?
...gt; q = Book.objects.annotate(num_authors=Count('authors'))
>>> q[0].num_authors
2
>>> q[1].num_authors
1
q is the queryset of books, but each book has been annotated with the number of authors.
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